| /* |
| * Copyright (C) 2011, 2012 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "web/WebViewImpl.h" |
| |
| #include "core/CSSValueKeywords.h" |
| #include "core/HTMLNames.h" |
| #include "core/InputTypeNames.h" |
| #include "core/clipboard/DataObject.h" |
| #include "core/dom/Document.h" |
| #include "core/dom/Fullscreen.h" |
| #include "core/dom/LayoutTreeBuilderTraversal.h" |
| #include "core/dom/Text.h" |
| #include "core/editing/EditingUtilities.h" |
| #include "core/editing/Editor.h" |
| #include "core/editing/FrameSelection.h" |
| #include "core/editing/InputMethodController.h" |
| #include "core/editing/iterators/TextIterator.h" |
| #include "core/editing/markers/DocumentMarkerController.h" |
| #include "core/editing/serializers/HTMLInterchange.h" |
| #include "core/editing/serializers/Serialization.h" |
| #include "core/events/KeyboardEvent.h" |
| #include "core/events/UIEventWithKeyState.h" |
| #include "core/events/WheelEvent.h" |
| #include "core/fetch/UniqueIdentifier.h" |
| #include "core/frame/EventHandlerRegistry.h" |
| #include "core/frame/FrameHost.h" |
| #include "core/frame/FrameView.h" |
| #include "core/frame/LocalFrame.h" |
| #include "core/frame/PageScaleConstraintsSet.h" |
| #include "core/frame/RemoteFrame.h" |
| #include "core/frame/Settings.h" |
| #include "core/frame/SmartClip.h" |
| #include "core/frame/TopControls.h" |
| #include "core/frame/VisualViewport.h" |
| #include "core/html/HTMLInputElement.h" |
| #include "core/html/HTMLMediaElement.h" |
| #include "core/html/HTMLPlugInElement.h" |
| #include "core/html/HTMLTextAreaElement.h" |
| #include "core/input/EventHandler.h" |
| #include "core/input/TouchActionUtil.h" |
| #include "core/layout/LayoutPart.h" |
| #include "core/layout/LayoutView.h" |
| #include "core/layout/TextAutosizer.h" |
| #include "core/layout/compositing/PaintLayerCompositor.h" |
| #include "core/loader/DocumentLoader.h" |
| #include "core/loader/FrameLoadRequest.h" |
| #include "core/loader/FrameLoader.h" |
| #include "core/loader/FrameLoaderClient.h" |
| #include "core/loader/FrameLoaderStateMachine.h" |
| #include "core/page/ContextMenuController.h" |
| #include "core/page/ContextMenuProvider.h" |
| #include "core/page/DragController.h" |
| #include "core/page/DragData.h" |
| #include "core/page/DragSession.h" |
| #include "core/page/FocusController.h" |
| #include "core/page/FrameTree.h" |
| #include "core/page/Page.h" |
| #include "core/page/PagePopupClient.h" |
| #include "core/page/PointerLockController.h" |
| #include "core/page/ScopedPageLoadDeferrer.h" |
| #include "core/page/TouchDisambiguation.h" |
| #include "core/paint/PaintLayer.h" |
| #include "core/timing/DOMWindowPerformance.h" |
| #include "core/timing/Performance.h" |
| #include "modules/accessibility/AXObject.h" |
| #include "modules/accessibility/AXObjectCacheImpl.h" |
| #include "modules/credentialmanager/CredentialManagerClient.h" |
| #include "modules/encryptedmedia/MediaKeysController.h" |
| #include "modules/storage/StorageNamespaceController.h" |
| #include "modules/webgl/WebGLRenderingContext.h" |
| #include "platform/ContextMenu.h" |
| #include "platform/ContextMenuItem.h" |
| #include "platform/Cursor.h" |
| #include "platform/Histogram.h" |
| #include "platform/KeyboardCodes.h" |
| #include "platform/Logging.h" |
| #include "platform/NotImplemented.h" |
| #include "platform/PlatformGestureEvent.h" |
| #include "platform/PlatformKeyboardEvent.h" |
| #include "platform/PlatformMouseEvent.h" |
| #include "platform/RuntimeEnabledFeatures.h" |
| #include "platform/TraceEvent.h" |
| #include "platform/UserGestureIndicator.h" |
| #include "platform/exported/WebActiveGestureAnimation.h" |
| #include "platform/fonts/FontCache.h" |
| #include "platform/graphics/Color.h" |
| #include "platform/graphics/FirstPaintInvalidationTracking.h" |
| #include "platform/graphics/GraphicsContext.h" |
| #include "platform/graphics/Image.h" |
| #include "platform/graphics/ImageBuffer.h" |
| #include "platform/graphics/gpu/DrawingBuffer.h" |
| #include "platform/graphics/paint/DrawingRecorder.h" |
| #include "platform/scroll/ScrollbarTheme.h" |
| #include "platform/weborigin/SchemeRegistry.h" |
| #include "public/platform/Platform.h" |
| #include "public/platform/WebCompositeAndReadbackAsyncCallback.h" |
| #include "public/platform/WebCompositorSupport.h" |
| #include "public/platform/WebDragData.h" |
| #include "public/platform/WebFloatPoint.h" |
| #include "public/platform/WebGestureCurve.h" |
| #include "public/platform/WebImage.h" |
| #include "public/platform/WebLayerTreeView.h" |
| #include "public/platform/WebScheduler.h" |
| #include "public/platform/WebURLRequest.h" |
| #include "public/platform/WebVector.h" |
| #include "public/platform/WebViewScheduler.h" |
| #include "public/web/WebAXObject.h" |
| #include "public/web/WebActiveWheelFlingParameters.h" |
| #include "public/web/WebAutofillClient.h" |
| #include "public/web/WebElement.h" |
| #include "public/web/WebFrame.h" |
| #include "public/web/WebFrameClient.h" |
| #include "public/web/WebHitTestResult.h" |
| #include "public/web/WebInputElement.h" |
| #include "public/web/WebMeaningfulLayout.h" |
| #include "public/web/WebMediaPlayerAction.h" |
| #include "public/web/WebNode.h" |
| #include "public/web/WebPlugin.h" |
| #include "public/web/WebPluginAction.h" |
| #include "public/web/WebRange.h" |
| #include "public/web/WebSelection.h" |
| #include "public/web/WebTextInputInfo.h" |
| #include "public/web/WebViewClient.h" |
| #include "public/web/WebWindowFeatures.h" |
| #include "web/CompositionUnderlineVectorBuilder.h" |
| #include "web/ContextFeaturesClientImpl.h" |
| #include "web/ContextMenuAllowedScope.h" |
| #include "web/DatabaseClientImpl.h" |
| #include "web/DevToolsEmulator.h" |
| #include "web/FullscreenController.h" |
| #include "web/GraphicsLayerFactoryChromium.h" |
| #include "web/InspectorOverlay.h" |
| #include "web/LinkHighlightImpl.h" |
| #include "web/PageOverlay.h" |
| #include "web/PrerendererClientImpl.h" |
| #include "web/ResizeViewportAnchor.h" |
| #include "web/RotationViewportAnchor.h" |
| #include "web/SpeechRecognitionClientProxy.h" |
| #include "web/StorageQuotaClientImpl.h" |
| #include "web/ValidationMessageClientImpl.h" |
| #include "web/ViewportAnchor.h" |
| #include "web/WebDevToolsAgentImpl.h" |
| #include "web/WebInputEventConversion.h" |
| #include "web/WebLocalFrameImpl.h" |
| #include "web/WebPagePopupImpl.h" |
| #include "web/WebPluginContainerImpl.h" |
| #include "web/WebRemoteFrameImpl.h" |
| #include "web/WebSettingsImpl.h" |
| #include "web/WorkerGlobalScopeProxyProviderImpl.h" |
| #include "wtf/CurrentTime.h" |
| #include "wtf/RefPtr.h" |
| #include "wtf/TemporaryChange.h" |
| |
| #if USE(DEFAULT_RENDER_THEME) |
| #include "core/layout/LayoutThemeDefault.h" |
| #endif |
| |
| // Get rid of WTF's pow define so we can use std::pow. |
| #undef pow |
| #include <cmath> // for std::pow |
| |
| // The following constants control parameters for automated scaling of webpages |
| // (such as due to a double tap gesture or find in page etc.). These are |
| // experimentally determined. |
| static const int touchPointPadding = 32; |
| static const int nonUserInitiatedPointPadding = 11; |
| static const float minScaleDifference = 0.01f; |
| static const float doubleTapZoomContentDefaultMargin = 5; |
| static const float doubleTapZoomContentMinimumMargin = 2; |
| static const double doubleTapZoomAnimationDurationInSeconds = 0.25; |
| static const float doubleTapZoomAlreadyLegibleRatio = 1.2f; |
| |
| static const double multipleTargetsZoomAnimationDurationInSeconds = 0.25; |
| static const double findInPageAnimationDurationInSeconds = 0; |
| |
| // Constants for viewport anchoring on resize. |
| static const float viewportAnchorCoordX = 0.5f; |
| static const float viewportAnchorCoordY = 0; |
| |
| // Constants for zooming in on a focused text field. |
| static const double scrollAndScaleAnimationDurationInSeconds = 0.2; |
| static const int minReadableCaretHeight = 16; |
| static const int minReadableCaretHeightForTextArea = 13; |
| static const float minScaleChangeToTriggerZoom = 1.5f; |
| static const float leftBoxRatio = 0.3f; |
| static const int caretPadding = 10; |
| |
| namespace blink { |
| |
| // Change the text zoom level by kTextSizeMultiplierRatio each time the user |
| // zooms text in or out (ie., change by 20%). The min and max values limit |
| // text zoom to half and 3x the original text size. These three values match |
| // those in Apple's port in WebKit/WebKit/WebView/WebView.mm |
| const double WebView::textSizeMultiplierRatio = 1.2; |
| const double WebView::minTextSizeMultiplier = 0.5; |
| const double WebView::maxTextSizeMultiplier = 3.0; |
| |
| // Used to defer all page activity in cases where the embedder wishes to run |
| // a nested event loop. Using a stack enables nesting of message loop invocations. |
| static Vector<OwnPtr<ScopedPageLoadDeferrer>>& pageLoadDeferrerStack() |
| { |
| DEFINE_STATIC_LOCAL(Vector<OwnPtr<ScopedPageLoadDeferrer>>, deferrerStack, ()); |
| return deferrerStack; |
| } |
| |
| // Ensure that the WebDragOperation enum values stay in sync with the original |
| // DragOperation constants. |
| #define STATIC_ASSERT_ENUM(a, b) \ |
| static_assert(static_cast<int>(a) == static_cast<int>(b), \ |
| "mismatching enum : " #a) |
| STATIC_ASSERT_ENUM(DragOperationNone, WebDragOperationNone); |
| STATIC_ASSERT_ENUM(DragOperationCopy, WebDragOperationCopy); |
| STATIC_ASSERT_ENUM(DragOperationLink, WebDragOperationLink); |
| STATIC_ASSERT_ENUM(DragOperationGeneric, WebDragOperationGeneric); |
| STATIC_ASSERT_ENUM(DragOperationPrivate, WebDragOperationPrivate); |
| STATIC_ASSERT_ENUM(DragOperationMove, WebDragOperationMove); |
| STATIC_ASSERT_ENUM(DragOperationDelete, WebDragOperationDelete); |
| STATIC_ASSERT_ENUM(DragOperationEvery, WebDragOperationEvery); |
| |
| static bool shouldUseExternalPopupMenus = false; |
| |
| namespace { |
| |
| class UserGestureNotifier { |
| public: |
| // If a UserGestureIndicator is created for a user gesture since the last |
| // page load and *userGestureObserved is false, the UserGestureNotifier |
| // will notify the client and set *userGestureObserved to true. |
| UserGestureNotifier(WebAutofillClient*, bool* userGestureObserved); |
| ~UserGestureNotifier(); |
| |
| private: |
| WebAutofillClient* const m_client; |
| bool* const m_userGestureObserved; |
| }; |
| |
| UserGestureNotifier::UserGestureNotifier(WebAutofillClient* client, bool* userGestureObserved) |
| : m_client(client) |
| , m_userGestureObserved(userGestureObserved) |
| { |
| ASSERT(m_userGestureObserved); |
| } |
| |
| UserGestureNotifier::~UserGestureNotifier() |
| { |
| if (!*m_userGestureObserved && UserGestureIndicator::processedUserGestureSinceLoad()) { |
| *m_userGestureObserved = true; |
| if (m_client) |
| m_client->firstUserGestureObserved(); |
| } |
| } |
| |
| class EmptyEventListener final : public EventListener { |
| public: |
| static PassRefPtrWillBeRawPtr<EmptyEventListener> create() |
| { |
| return adoptRefWillBeNoop(new EmptyEventListener()); |
| } |
| |
| bool operator==(const EventListener& other) const override |
| { |
| return this == &other; |
| } |
| |
| private: |
| EmptyEventListener() |
| : EventListener(CPPEventListenerType) |
| { |
| } |
| |
| void handleEvent(ExecutionContext* executionContext, Event*) override |
| { |
| } |
| }; |
| |
| class ColorOverlay final : public PageOverlay::Delegate { |
| public: |
| explicit ColorOverlay(WebColor color) |
| : m_color(color) |
| { |
| } |
| |
| virtual ~ColorOverlay() |
| { |
| } |
| |
| private: |
| void paintPageOverlay(const PageOverlay& pageOverlay, GraphicsContext& graphicsContext, const WebSize& size) const override |
| { |
| if (DrawingRecorder::useCachedDrawingIfPossible(graphicsContext, pageOverlay, DisplayItem::PageOverlay)) |
| return; |
| FloatRect rect(0, 0, size.width, size.height); |
| DrawingRecorder drawingRecorder(graphicsContext, pageOverlay, DisplayItem::PageOverlay, rect); |
| graphicsContext.fillRect(rect, m_color); |
| } |
| |
| WebColor m_color; |
| }; |
| |
| } // namespace |
| |
| // WebView ---------------------------------------------------------------- |
| |
| WebView* WebView::create(WebViewClient* client) |
| { |
| // Pass the WebViewImpl's self-reference to the caller. |
| return WebViewImpl::create(client); |
| } |
| |
| WebViewImpl* WebViewImpl::create(WebViewClient* client) |
| { |
| // Pass the WebViewImpl's self-reference to the caller. |
| return adoptRef(new WebViewImpl(client)).leakRef(); |
| } |
| |
| void WebView::setUseExternalPopupMenus(bool useExternalPopupMenus) |
| { |
| shouldUseExternalPopupMenus = useExternalPopupMenus; |
| } |
| |
| void WebView::updateVisitedLinkState(unsigned long long linkHash) |
| { |
| Page::visitedStateChanged(linkHash); |
| } |
| |
| void WebView::resetVisitedLinkState(bool invalidateVisitedLinkHashes) |
| { |
| Page::allVisitedStateChanged(invalidateVisitedLinkHashes); |
| } |
| |
| void WebView::willEnterModalLoop() |
| { |
| pageLoadDeferrerStack().append(adoptPtr(new ScopedPageLoadDeferrer())); |
| } |
| |
| void WebView::didExitModalLoop() |
| { |
| ASSERT(pageLoadDeferrerStack().size()); |
| pageLoadDeferrerStack().removeLast(); |
| } |
| |
| void WebViewImpl::setMainFrame(WebFrame* frame) |
| { |
| frame->toImplBase()->initializeCoreFrame(&page()->frameHost(), 0, nullAtom, nullAtom); |
| } |
| |
| void WebViewImpl::setCredentialManagerClient(WebCredentialManagerClient* webCredentialManagerClient) |
| { |
| ASSERT(m_page); |
| provideCredentialManagerClientTo(*m_page, new CredentialManagerClient(webCredentialManagerClient)); |
| } |
| |
| void WebViewImpl::setPrerendererClient(WebPrerendererClient* prerendererClient) |
| { |
| ASSERT(m_page); |
| providePrerendererClientTo(*m_page, new PrerendererClientImpl(prerendererClient)); |
| } |
| |
| void WebViewImpl::setSpellCheckClient(WebSpellCheckClient* spellCheckClient) |
| { |
| m_spellCheckClient = spellCheckClient; |
| } |
| |
| // static |
| HashSet<WebViewImpl*>& WebViewImpl::allInstances() |
| { |
| DEFINE_STATIC_LOCAL(HashSet<WebViewImpl*>, allInstances, ()); |
| return allInstances; |
| } |
| |
| WebViewImpl::WebViewImpl(WebViewClient* client) |
| : m_client(client) |
| , m_spellCheckClient(nullptr) |
| , m_chromeClientImpl(ChromeClientImpl::create(this)) |
| , m_contextMenuClientImpl(this) |
| , m_dragClientImpl(this) |
| , m_editorClientImpl(this) |
| , m_spellCheckerClientImpl(this) |
| , m_storageClientImpl(this) |
| , m_shouldAutoResize(false) |
| , m_zoomLevel(0) |
| , m_minimumZoomLevel(zoomFactorToZoomLevel(minTextSizeMultiplier)) |
| , m_maximumZoomLevel(zoomFactorToZoomLevel(maxTextSizeMultiplier)) |
| , m_zoomFactorForDeviceScaleFactor(1.f) |
| , m_maximumLegibleScale(1) |
| , m_doubleTapZoomPageScaleFactor(0) |
| , m_doubleTapZoomPending(false) |
| , m_enableFakePageScaleAnimationForTesting(false) |
| , m_fakePageScaleAnimationPageScaleFactor(0) |
| , m_fakePageScaleAnimationUseAnchor(false) |
| , m_doingDragAndDrop(false) |
| , m_ignoreInputEvents(false) |
| , m_compositorDeviceScaleFactorOverride(0) |
| , m_rootLayerScale(1) |
| , m_suppressNextKeypressEvent(false) |
| , m_imeAcceptEvents(true) |
| , m_operationsAllowed(WebDragOperationNone) |
| , m_dragOperation(WebDragOperationNone) |
| , m_devToolsEmulator(nullptr) |
| , m_isTransparent(false) |
| , m_tabsToLinks(false) |
| , m_layerTreeView(nullptr) |
| , m_rootLayer(nullptr) |
| , m_rootGraphicsLayer(nullptr) |
| , m_graphicsLayerFactory(adoptPtr(new GraphicsLayerFactoryChromium(this))) |
| , m_matchesHeuristicsForGpuRasterization(false) |
| , m_flingModifier(0) |
| , m_flingSourceDevice(WebGestureDeviceUninitialized) |
| , m_fullscreenController(FullscreenController::create(this)) |
| , m_showFPSCounter(false) |
| , m_baseBackgroundColor(Color::white) |
| , m_backgroundColorOverride(Color::transparent) |
| , m_zoomFactorOverride(0) |
| , m_userGestureObserved(false) |
| , m_shouldDispatchFirstVisuallyNonEmptyLayout(false) |
| , m_shouldDispatchFirstLayoutAfterFinishedParsing(false) |
| , m_shouldDispatchFirstLayoutAfterFinishedLoading(false) |
| , m_displayMode(WebDisplayModeBrowser) |
| , m_elasticOverscroll(FloatSize()) |
| , m_scheduler(Platform::current()->currentThread()->scheduler()->createWebViewScheduler(this).release()) |
| { |
| Page::PageClients pageClients; |
| pageClients.chromeClient = m_chromeClientImpl.get(); |
| pageClients.contextMenuClient = &m_contextMenuClientImpl; |
| pageClients.editorClient = &m_editorClientImpl; |
| pageClients.dragClient = &m_dragClientImpl; |
| pageClients.spellCheckerClient = &m_spellCheckerClientImpl; |
| |
| m_page = Page::createOrdinary(pageClients); |
| MediaKeysController::provideMediaKeysTo(*m_page, &m_mediaKeysClientImpl); |
| provideSpeechRecognitionTo(*m_page, SpeechRecognitionClientProxy::create(client ? client->speechRecognizer() : nullptr)); |
| provideContextFeaturesTo(*m_page, ContextFeaturesClientImpl::create()); |
| provideDatabaseClientTo(*m_page, DatabaseClientImpl::create()); |
| |
| provideStorageQuotaClientTo(*m_page, StorageQuotaClientImpl::create()); |
| m_page->setValidationMessageClient(ValidationMessageClientImpl::create(*this)); |
| provideWorkerGlobalScopeProxyProviderTo(*m_page, WorkerGlobalScopeProxyProviderImpl::create()); |
| StorageNamespaceController::provideStorageNamespaceTo(*m_page, &m_storageClientImpl); |
| |
| if (m_client) { |
| setVisibilityState(m_client->visibilityState(), true); |
| } |
| |
| initializeLayerTreeView(); |
| |
| m_devToolsEmulator = DevToolsEmulator::create(this); |
| |
| allInstances().add(this); |
| |
| m_pageImportanceSignals.setObserver(client); |
| } |
| |
| WebViewImpl::~WebViewImpl() |
| { |
| ASSERT(!m_page); |
| |
| // Each highlight uses m_owningWebViewImpl->m_linkHighlightsTimeline |
| // in destructor. m_linkHighlightsTimeline might be destroyed earlier |
| // than m_linkHighlights. |
| ASSERT(m_linkHighlights.isEmpty()); |
| } |
| |
| WebDevToolsAgentImpl* WebViewImpl::mainFrameDevToolsAgentImpl() |
| { |
| WebLocalFrameImpl* mainFrame = mainFrameImpl(); |
| return mainFrame ? mainFrame->devToolsAgentImpl() : nullptr; |
| } |
| |
| InspectorOverlay* WebViewImpl::inspectorOverlay() |
| { |
| if (WebDevToolsAgentImpl* devtools = mainFrameDevToolsAgentImpl()) |
| return devtools->overlay(); |
| return nullptr; |
| } |
| |
| WebLocalFrameImpl* WebViewImpl::mainFrameImpl() const |
| { |
| return m_page && m_page->mainFrame() && m_page->mainFrame()->isLocalFrame() |
| ? WebLocalFrameImpl::fromFrame(m_page->deprecatedLocalMainFrame()) : nullptr; |
| } |
| |
| bool WebViewImpl::tabKeyCyclesThroughElements() const |
| { |
| ASSERT(m_page); |
| return m_page->tabKeyCyclesThroughElements(); |
| } |
| |
| void WebViewImpl::setTabKeyCyclesThroughElements(bool value) |
| { |
| if (m_page) |
| m_page->setTabKeyCyclesThroughElements(value); |
| } |
| |
| void WebViewImpl::handleMouseLeave(LocalFrame& mainFrame, const WebMouseEvent& event) |
| { |
| m_client->setMouseOverURL(WebURL()); |
| PageWidgetEventHandler::handleMouseLeave(mainFrame, event); |
| } |
| |
| void WebViewImpl::handleMouseDown(LocalFrame& mainFrame, const WebMouseEvent& event) |
| { |
| // If there is a popup open, close it as the user is clicking on the page |
| // (outside of the popup). We also save it so we can prevent a click on an |
| // element from immediately reopening the same popup. |
| RefPtr<WebPagePopupImpl> pagePopup; |
| if (event.button == WebMouseEvent::ButtonLeft) { |
| pagePopup = m_pagePopup; |
| hidePopups(); |
| ASSERT(!m_pagePopup); |
| } |
| |
| m_lastMouseDownPoint = WebPoint(event.x, event.y); |
| |
| // Take capture on a mouse down on a plugin so we can send it mouse events. |
| // If the hit node is a plugin but a scrollbar is over it don't start mouse |
| // capture because it will interfere with the scrollbar receiving events. |
| IntPoint point(event.x, event.y); |
| if (event.button == WebMouseEvent::ButtonLeft && m_page->mainFrame()->isLocalFrame()) { |
| point = m_page->deprecatedLocalMainFrame()->view()->rootFrameToContents(point); |
| HitTestResult result(m_page->deprecatedLocalMainFrame()->eventHandler().hitTestResultAtPoint(point)); |
| result.setToShadowHostIfInUserAgentShadowRoot(); |
| Node* hitNode = result.innerNodeOrImageMapImage(); |
| |
| if (!result.scrollbar() && hitNode && hitNode->layoutObject() && hitNode->layoutObject()->isEmbeddedObject()) { |
| m_mouseCaptureNode = hitNode; |
| TRACE_EVENT_ASYNC_BEGIN0("input", "capturing mouse", this); |
| } |
| } |
| |
| PageWidgetEventHandler::handleMouseDown(mainFrame, event); |
| |
| if (event.button == WebMouseEvent::ButtonLeft && m_mouseCaptureNode) |
| m_mouseCaptureGestureToken = mainFrame.eventHandler().takeLastMouseDownGestureToken(); |
| |
| if (m_pagePopup && pagePopup && m_pagePopup->hasSamePopupClient(pagePopup.get())) { |
| // That click triggered a page popup that is the same as the one we just closed. |
| // It needs to be closed. |
| cancelPagePopup(); |
| } |
| |
| // Dispatch the contextmenu event regardless of if the click was swallowed. |
| if (!page()->settings().showContextMenuOnMouseUp()) { |
| #if OS(MACOSX) |
| if (event.button == WebMouseEvent::ButtonRight |
| || (event.button == WebMouseEvent::ButtonLeft |
| && event.modifiers & WebMouseEvent::ControlKey)) |
| mouseContextMenu(event); |
| #else |
| if (event.button == WebMouseEvent::ButtonRight) |
| mouseContextMenu(event); |
| #endif |
| } |
| } |
| |
| void WebViewImpl::setDisplayMode(WebDisplayMode mode) |
| { |
| m_displayMode = mode; |
| if (!mainFrameImpl() || !mainFrameImpl()->frameView()) |
| return; |
| |
| mainFrameImpl()->frameView()->setDisplayMode(mode); |
| } |
| |
| void WebViewImpl::mouseContextMenu(const WebMouseEvent& event) |
| { |
| if (!mainFrameImpl() || !mainFrameImpl()->frameView()) |
| return; |
| |
| m_page->contextMenuController().clearContextMenu(); |
| |
| PlatformMouseEventBuilder pme(mainFrameImpl()->frameView(), event); |
| |
| // Find the right target frame. See issue 1186900. |
| HitTestResult result = hitTestResultForRootFramePos(pme.position()); |
| Frame* targetFrame; |
| if (result.innerNodeOrImageMapImage()) |
| targetFrame = result.innerNodeOrImageMapImage()->document().frame(); |
| else |
| targetFrame = m_page->focusController().focusedOrMainFrame(); |
| |
| if (!targetFrame->isLocalFrame()) |
| return; |
| |
| LocalFrame* targetLocalFrame = toLocalFrame(targetFrame); |
| |
| #if OS(WIN) |
| targetLocalFrame->view()->setCursor(pointerCursor()); |
| #endif |
| |
| { |
| ContextMenuAllowedScope scope; |
| targetLocalFrame->eventHandler().sendContextMenuEvent(pme, nullptr); |
| } |
| // Actually showing the context menu is handled by the ContextMenuClient |
| // implementation... |
| } |
| |
| void WebViewImpl::handleMouseUp(LocalFrame& mainFrame, const WebMouseEvent& event) |
| { |
| PageWidgetEventHandler::handleMouseUp(mainFrame, event); |
| |
| if (page()->settings().showContextMenuOnMouseUp()) { |
| // Dispatch the contextmenu event regardless of if the click was swallowed. |
| // On Mac/Linux, we handle it on mouse down, not up. |
| if (event.button == WebMouseEvent::ButtonRight) |
| mouseContextMenu(event); |
| } |
| } |
| |
| WebInputEventResult WebViewImpl::handleMouseWheel(LocalFrame& mainFrame, const WebMouseWheelEvent& event) |
| { |
| hidePopups(); |
| return PageWidgetEventHandler::handleMouseWheel(mainFrame, event); |
| } |
| |
| bool WebViewImpl::scrollBy(const WebFloatSize& delta, const WebFloatSize& velocity) |
| { |
| ASSERT(m_flingSourceDevice != WebGestureDeviceUninitialized); |
| if (m_flingSourceDevice == WebGestureDeviceTouchpad) { |
| WebMouseWheelEvent syntheticWheel; |
| const float tickDivisor = WheelEvent::TickMultiplier; |
| |
| syntheticWheel.type = WebInputEvent::MouseWheel; |
| syntheticWheel.timeStampSeconds = WTF::monotonicallyIncreasingTime(); |
| syntheticWheel.deltaX = delta.width; |
| syntheticWheel.deltaY = delta.height; |
| syntheticWheel.wheelTicksX = delta.width / tickDivisor; |
| syntheticWheel.wheelTicksY = delta.height / tickDivisor; |
| syntheticWheel.hasPreciseScrollingDeltas = true; |
| syntheticWheel.x = m_positionOnFlingStart.x; |
| syntheticWheel.y = m_positionOnFlingStart.y; |
| syntheticWheel.globalX = m_globalPositionOnFlingStart.x; |
| syntheticWheel.globalY = m_globalPositionOnFlingStart.y; |
| syntheticWheel.modifiers = m_flingModifier; |
| |
| if (m_page && m_page->mainFrame() && m_page->mainFrame()->isLocalFrame() && m_page->deprecatedLocalMainFrame()->view()) |
| return handleMouseWheel(*m_page->deprecatedLocalMainFrame(), syntheticWheel) != WebInputEventResult::NotHandled; |
| } else { |
| WebGestureEvent syntheticGestureEvent; |
| |
| syntheticGestureEvent.type = WebInputEvent::GestureScrollUpdate; |
| syntheticGestureEvent.timeStampSeconds = WTF::monotonicallyIncreasingTime(); |
| syntheticGestureEvent.data.scrollUpdate.preventPropagation = true; |
| syntheticGestureEvent.data.scrollUpdate.deltaX = delta.width; |
| syntheticGestureEvent.data.scrollUpdate.deltaY = delta.height; |
| syntheticGestureEvent.data.scrollUpdate.velocityX = velocity.width; |
| syntheticGestureEvent.data.scrollUpdate.velocityY = velocity.height; |
| syntheticGestureEvent.x = m_positionOnFlingStart.x; |
| syntheticGestureEvent.y = m_positionOnFlingStart.y; |
| syntheticGestureEvent.globalX = m_globalPositionOnFlingStart.x; |
| syntheticGestureEvent.globalY = m_globalPositionOnFlingStart.y; |
| syntheticGestureEvent.modifiers = m_flingModifier; |
| syntheticGestureEvent.sourceDevice = WebGestureDeviceTouchscreen; |
| syntheticGestureEvent.data.scrollUpdate.inertial = true; |
| |
| if (m_page && m_page->mainFrame() && m_page->mainFrame()->isLocalFrame() && m_page->deprecatedLocalMainFrame()->view()) |
| return handleGestureEvent(syntheticGestureEvent) != WebInputEventResult::NotHandled; |
| } |
| return false; |
| } |
| |
| WebInputEventResult WebViewImpl::handleGestureEvent(const WebGestureEvent& event) |
| { |
| if (!m_client) |
| return WebInputEventResult::NotHandled; |
| |
| WebInputEventResult eventResult = WebInputEventResult::NotHandled; |
| bool eventCancelled = false; // for disambiguation |
| |
| // Special handling for slow-path fling gestures. |
| switch (event.type) { |
| case WebInputEvent::GestureFlingStart: { |
| if (mainFrameImpl()->frame()->eventHandler().isScrollbarHandlingGestures()) |
| break; |
| endActiveFlingAnimation(); |
| m_client->cancelScheduledContentIntents(); |
| m_positionOnFlingStart = WebPoint(event.x, event.y); |
| m_globalPositionOnFlingStart = WebPoint(event.globalX, event.globalY); |
| m_flingModifier = event.modifiers; |
| m_flingSourceDevice = event.sourceDevice; |
| ASSERT(m_flingSourceDevice != WebGestureDeviceUninitialized); |
| OwnPtr<WebGestureCurve> flingCurve = adoptPtr(Platform::current()->createFlingAnimationCurve(event.sourceDevice, WebFloatPoint(event.data.flingStart.velocityX, event.data.flingStart.velocityY), WebSize())); |
| ASSERT(flingCurve); |
| m_gestureAnimation = WebActiveGestureAnimation::createAtAnimationStart(flingCurve.release(), this); |
| scheduleAnimation(); |
| eventResult = WebInputEventResult::HandledSystem; |
| |
| // Plugins may need to see GestureFlingStart to balance |
| // GestureScrollBegin (since the former replaces GestureScrollEnd when |
| // transitioning to a fling). |
| PlatformGestureEventBuilder platformEvent(mainFrameImpl()->frameView(), event); |
| // TODO(dtapuska): Why isn't the response used? |
| mainFrameImpl()->frame()->eventHandler().handleGestureScrollEvent(platformEvent); |
| |
| m_client->didHandleGestureEvent(event, eventCancelled); |
| return WebInputEventResult::HandledSystem; |
| } |
| case WebInputEvent::GestureFlingCancel: |
| if (endActiveFlingAnimation()) |
| eventResult = WebInputEventResult::HandledSuppressed; |
| |
| m_client->didHandleGestureEvent(event, eventCancelled); |
| return eventResult; |
| default: |
| break; |
| } |
| |
| PlatformGestureEventBuilder platformEvent(mainFrameImpl()->frameView(), event); |
| |
| // Special handling for double tap and scroll events as we don't want to |
| // hit test for them. |
| switch (event.type) { |
| case WebInputEvent::GestureDoubleTap: |
| if (m_webSettings->doubleTapToZoomEnabled() && minimumPageScaleFactor() != maximumPageScaleFactor()) { |
| m_client->cancelScheduledContentIntents(); |
| animateDoubleTapZoom(platformEvent.position()); |
| } |
| // GestureDoubleTap is currently only used by Android for zooming. For WebCore, |
| // GestureTap with tap count = 2 is used instead. So we drop GestureDoubleTap here. |
| eventResult = WebInputEventResult::HandledSystem; |
| m_client->didHandleGestureEvent(event, eventCancelled); |
| return eventResult; |
| case WebInputEvent::GestureScrollBegin: |
| m_client->cancelScheduledContentIntents(); |
| case WebInputEvent::GestureScrollEnd: |
| case WebInputEvent::GestureScrollUpdate: |
| case WebInputEvent::GestureFlingStart: |
| // Scrolling-related gesture events invoke EventHandler recursively for each frame down |
| // the chain, doing a single-frame hit-test per frame. This matches handleWheelEvent. |
| // Perhaps we could simplify things by rewriting scroll handling to work inner frame |
| // out, and then unify with other gesture events. |
| eventResult = mainFrameImpl()->frame()->eventHandler().handleGestureScrollEvent(platformEvent); |
| m_client->didHandleGestureEvent(event, eventCancelled); |
| return eventResult; |
| case WebInputEvent::GesturePinchBegin: |
| case WebInputEvent::GesturePinchEnd: |
| case WebInputEvent::GesturePinchUpdate: |
| return WebInputEventResult::NotHandled; |
| default: |
| break; |
| } |
| |
| // Hit test across all frames and do touch adjustment as necessary for the event type. |
| GestureEventWithHitTestResults targetedEvent = |
| m_page->deprecatedLocalMainFrame()->eventHandler().targetGestureEvent(platformEvent); |
| |
| // Handle link highlighting outside the main switch to avoid getting lost in the |
| // complicated set of cases handled below. |
| switch (event.type) { |
| case WebInputEvent::GestureShowPress: |
| // Queue a highlight animation, then hand off to regular handler. |
| enableTapHighlightAtPoint(targetedEvent); |
| break; |
| case WebInputEvent::GestureTapCancel: |
| case WebInputEvent::GestureTap: |
| case WebInputEvent::GestureLongPress: |
| for (size_t i = 0; i < m_linkHighlights.size(); ++i) |
| m_linkHighlights[i]->startHighlightAnimationIfNeeded(); |
| break; |
| default: |
| break; |
| } |
| |
| switch (event.type) { |
| case WebInputEvent::GestureTap: { |
| // If there is a popup open, close it as the user is clicking on the page |
| // (outside of the popup). We also save it so we can prevent a tap on an |
| // element from immediately reopening the same popup. |
| RefPtr<WebPagePopupImpl> pagePopup = m_pagePopup; |
| hidePopups(); |
| ASSERT(!m_pagePopup); |
| |
| m_client->cancelScheduledContentIntents(); |
| if (detectContentOnTouch(targetedEvent)) { |
| eventResult = WebInputEventResult::HandledSystem; |
| break; |
| } |
| |
| // Don't trigger a disambiguation popup on sites designed for mobile devices. |
| // Instead, assume that the page has been designed with big enough buttons and links. |
| // Don't trigger a disambiguation popup when screencasting, since it's implemented outside of |
| // compositor pipeline and is not being screencasted itself. This leads to bad user experience. |
| WebDevToolsAgentImpl* devTools = mainFrameDevToolsAgentImpl(); |
| VisualViewport& visualViewport = page()->frameHost().visualViewport(); |
| bool screencastEnabled = devTools && devTools->screencastEnabled(); |
| if (event.data.tap.width > 0 && !visualViewport.shouldDisableDesktopWorkarounds() && !screencastEnabled) { |
| IntRect boundingBox(visualViewport.viewportToRootFrame(IntRect( |
| event.x - event.data.tap.width / 2, |
| event.y - event.data.tap.height / 2, |
| event.data.tap.width, |
| event.data.tap.height))); |
| |
| // TODO(bokan): We shouldn't pass details of the VisualViewport offset to render_view_impl. |
| // crbug.com/459591 |
| WebSize visualViewportOffset = flooredIntSize(visualViewport.location()); |
| |
| if (m_webSettings->multiTargetTapNotificationEnabled()) { |
| Vector<IntRect> goodTargets; |
| WillBeHeapVector<RawPtrWillBeMember<Node>> highlightNodes; |
| findGoodTouchTargets(boundingBox, mainFrameImpl()->frame(), goodTargets, highlightNodes); |
| // FIXME: replace touch adjustment code when numberOfGoodTargets == 1? |
| // Single candidate case is currently handled by: https://bugs.webkit.org/show_bug.cgi?id=85101 |
| if (goodTargets.size() >= 2 && m_client |
| && m_client->didTapMultipleTargets(visualViewportOffset, boundingBox, goodTargets)) { |
| |
| enableTapHighlights(highlightNodes); |
| for (size_t i = 0; i < m_linkHighlights.size(); ++i) |
| m_linkHighlights[i]->startHighlightAnimationIfNeeded(); |
| eventResult = WebInputEventResult::HandledSystem; |
| eventCancelled = true; |
| break; |
| } |
| } |
| } |
| |
| eventResult = mainFrameImpl()->frame()->eventHandler().handleGestureEvent(targetedEvent); |
| |
| if (m_pagePopup && pagePopup && m_pagePopup->hasSamePopupClient(pagePopup.get())) { |
| // The tap triggered a page popup that is the same as the one we just closed. |
| // It needs to be closed. |
| cancelPagePopup(); |
| } |
| break; |
| } |
| case WebInputEvent::GestureTwoFingerTap: |
| case WebInputEvent::GestureLongPress: |
| case WebInputEvent::GestureLongTap: { |
| if (!mainFrameImpl() || !mainFrameImpl()->frameView()) |
| break; |
| |
| m_client->cancelScheduledContentIntents(); |
| m_page->contextMenuController().clearContextMenu(); |
| { |
| ContextMenuAllowedScope scope; |
| eventResult = mainFrameImpl()->frame()->eventHandler().handleGestureEvent(targetedEvent); |
| } |
| |
| break; |
| } |
| case WebInputEvent::GestureShowPress: |
| m_client->cancelScheduledContentIntents(); |
| case WebInputEvent::GestureTapDown: |
| case WebInputEvent::GestureTapCancel: |
| case WebInputEvent::GestureTapUnconfirmed: { |
| eventResult = mainFrameImpl()->frame()->eventHandler().handleGestureEvent(targetedEvent); |
| break; |
| } |
| default: |
| ASSERT_NOT_REACHED(); |
| } |
| m_client->didHandleGestureEvent(event, eventCancelled); |
| return eventResult; |
| } |
| |
| WebInputEventResult WebViewImpl::handleSyntheticWheelFromTouchpadPinchEvent(const WebGestureEvent& pinchEvent) |
| { |
| ASSERT(pinchEvent.type == WebInputEvent::GesturePinchUpdate); |
| |
| // Touchscreen pinch events should not reach Blink. |
| ASSERT(pinchEvent.sourceDevice == WebGestureDeviceTouchpad); |
| |
| // For pinch gesture events, match typical trackpad behavior on Windows by sending fake |
| // wheel events with the ctrl modifier set when we see trackpad pinch gestures. Ideally |
| // we'd someday get a platform 'pinch' event and send that instead. |
| WebMouseWheelEvent wheelEvent; |
| wheelEvent.type = WebInputEvent::MouseWheel; |
| wheelEvent.timeStampSeconds = pinchEvent.timeStampSeconds; |
| wheelEvent.windowX = wheelEvent.x = pinchEvent.x; |
| wheelEvent.windowY = wheelEvent.y = pinchEvent.y; |
| wheelEvent.globalX = pinchEvent.globalX; |
| wheelEvent.globalY = pinchEvent.globalY; |
| wheelEvent.modifiers = |
| pinchEvent.modifiers | WebInputEvent::ControlKey; |
| wheelEvent.deltaX = 0; |
| |
| // The function to convert scales to deltaY values is designed to be |
| // compatible with websites existing use of wheel events, and with existing |
| // Windows trackpad behavior. In particular, we want: |
| // - deltas should accumulate via addition: f(s1*s2)==f(s1)+f(s2) |
| // - deltas should invert via negation: f(1/s) == -f(s) |
| // - zoom in should be positive: f(s) > 0 iff s > 1 |
| // - magnitude roughly matches wheels: f(2) > 25 && f(2) < 100 |
| // - a formula that's relatively easy to use from JavaScript |
| // Note that 'wheel' event deltaY values have their sign inverted. So to |
| // convert a wheel deltaY back to a scale use Math.exp(-deltaY/100). |
| ASSERT(pinchEvent.data.pinchUpdate.scale > 0); |
| wheelEvent.deltaY = 100.0f * log(pinchEvent.data.pinchUpdate.scale); |
| wheelEvent.hasPreciseScrollingDeltas = true; |
| wheelEvent.wheelTicksX = 0; |
| wheelEvent.wheelTicksY = |
| pinchEvent.data.pinchUpdate.scale > 1 ? 1 : -1; |
| wheelEvent.canScroll = false; |
| |
| return handleInputEvent(wheelEvent); |
| } |
| |
| void WebViewImpl::transferActiveWheelFlingAnimation(const WebActiveWheelFlingParameters& parameters) |
| { |
| TRACE_EVENT0("blink", "WebViewImpl::transferActiveWheelFlingAnimation"); |
| ASSERT(!m_gestureAnimation); |
| m_positionOnFlingStart = parameters.point; |
| m_globalPositionOnFlingStart = parameters.globalPoint; |
| m_flingModifier = parameters.modifiers; |
| OwnPtr<WebGestureCurve> curve = adoptPtr(Platform::current()->createFlingAnimationCurve(parameters.sourceDevice, WebFloatPoint(parameters.delta), parameters.cumulativeScroll)); |
| ASSERT(curve); |
| m_gestureAnimation = WebActiveGestureAnimation::createWithTimeOffset(curve.release(), this, parameters.startTime); |
| ASSERT(parameters.sourceDevice != WebGestureDeviceUninitialized); |
| m_flingSourceDevice = parameters.sourceDevice; |
| scheduleAnimation(); |
| } |
| |
| bool WebViewImpl::endActiveFlingAnimation() |
| { |
| if (m_gestureAnimation) { |
| m_gestureAnimation.clear(); |
| m_flingSourceDevice = WebGestureDeviceUninitialized; |
| if (m_layerTreeView) |
| m_layerTreeView->didStopFlinging(); |
| return true; |
| } |
| return false; |
| } |
| |
| bool WebViewImpl::startPageScaleAnimation(const IntPoint& targetPosition, bool useAnchor, float newScale, double durationInSeconds) |
| { |
| VisualViewport& visualViewport = page()->frameHost().visualViewport(); |
| WebPoint clampedPoint = targetPosition; |
| if (!useAnchor) { |
| clampedPoint = visualViewport.clampDocumentOffsetAtScale(targetPosition, newScale); |
| if (!durationInSeconds) { |
| setPageScaleFactor(newScale); |
| |
| FrameView* view = mainFrameImpl()->frameView(); |
| if (view && view->scrollableArea()) |
| view->scrollableArea()->setScrollPosition(DoublePoint(clampedPoint.x, clampedPoint.y), ProgrammaticScroll); |
| |
| return false; |
| } |
| } |
| if (useAnchor && newScale == pageScaleFactor()) |
| return false; |
| |
| if (m_enableFakePageScaleAnimationForTesting) { |
| m_fakePageScaleAnimationTargetPosition = targetPosition; |
| m_fakePageScaleAnimationUseAnchor = useAnchor; |
| m_fakePageScaleAnimationPageScaleFactor = newScale; |
| } else { |
| if (!m_layerTreeView) |
| return false; |
| m_layerTreeView->startPageScaleAnimation(targetPosition, useAnchor, newScale, durationInSeconds); |
| } |
| return true; |
| } |
| |
| void WebViewImpl::enableFakePageScaleAnimationForTesting(bool enable) |
| { |
| m_enableFakePageScaleAnimationForTesting = enable; |
| } |
| |
| void WebViewImpl::setShowFPSCounter(bool show) |
| { |
| if (m_layerTreeView) { |
| TRACE_EVENT0("blink", "WebViewImpl::setShowFPSCounter"); |
| m_layerTreeView->setShowFPSCounter(show && !m_devToolsEmulator->deviceEmulationEnabled()); |
| } |
| m_showFPSCounter = show; |
| } |
| |
| void WebViewImpl::setShowPaintRects(bool show) |
| { |
| if (m_layerTreeView) { |
| TRACE_EVENT0("blink", "WebViewImpl::setShowPaintRects"); |
| m_layerTreeView->setShowPaintRects(show); |
| } |
| setFirstPaintInvalidationTrackingEnabledForShowPaintRects(show); |
| } |
| |
| void WebViewImpl::setShowDebugBorders(bool show) |
| { |
| if (m_layerTreeView) |
| m_layerTreeView->setShowDebugBorders(show); |
| } |
| |
| void WebViewImpl::updateShowFPSCounter() |
| { |
| if (m_layerTreeView) |
| m_layerTreeView->setShowFPSCounter(m_showFPSCounter && !m_devToolsEmulator->deviceEmulationEnabled()); |
| } |
| |
| void WebViewImpl::setShowScrollBottleneckRects(bool show) |
| { |
| if (m_layerTreeView) |
| m_layerTreeView->setShowScrollBottleneckRects(show); |
| } |
| |
| void WebViewImpl::acceptLanguagesChanged() |
| { |
| if (!page()) |
| return; |
| |
| page()->acceptLanguagesChanged(); |
| } |
| |
| WebInputEventResult WebViewImpl::handleKeyEvent(const WebKeyboardEvent& event) |
| { |
| ASSERT((event.type == WebInputEvent::RawKeyDown) |
| || (event.type == WebInputEvent::KeyDown) |
| || (event.type == WebInputEvent::KeyUp)); |
| TRACE_EVENT2("input", "WebViewImpl::handleKeyEvent", |
| "type", inputTypeToName(event.type), |
| "text", String(event.text).utf8()); |
| |
| // Halt an in-progress fling on a key event. |
| endActiveFlingAnimation(); |
| |
| // Please refer to the comments explaining the m_suppressNextKeypressEvent |
| // member. |
| // The m_suppressNextKeypressEvent is set if the KeyDown is handled by |
| // Webkit. A keyDown event is typically associated with a keyPress(char) |
| // event and a keyUp event. We reset this flag here as this is a new keyDown |
| // event. |
| m_suppressNextKeypressEvent = false; |
| |
| // If there is a popup, it should be the one processing the event, not the |
| // page. |
| if (m_pagePopup) { |
| m_pagePopup->handleKeyEvent(PlatformKeyboardEventBuilder(event)); |
| // We need to ignore the next Char event after this otherwise pressing |
| // enter when selecting an item in the popup will go to the page. |
| if (WebInputEvent::RawKeyDown == event.type) |
| m_suppressNextKeypressEvent = true; |
| return WebInputEventResult::HandledSystem; |
| } |
| |
| RefPtrWillBeRawPtr<Frame> focusedFrame = focusedCoreFrame(); |
| if (focusedFrame && focusedFrame->isRemoteFrame()) { |
| WebRemoteFrameImpl* webFrame = WebRemoteFrameImpl::fromFrame(*toRemoteFrame(focusedFrame.get())); |
| webFrame->client()->forwardInputEvent(&event); |
| return WebInputEventResult::HandledSystem; |
| } |
| |
| if (!focusedFrame || !focusedFrame->isLocalFrame()) |
| return WebInputEventResult::NotHandled; |
| |
| LocalFrame* frame = toLocalFrame(focusedFrame.get()); |
| |
| PlatformKeyboardEventBuilder evt(event); |
| |
| WebInputEventResult result = frame->eventHandler().keyEvent(evt); |
| if (result != WebInputEventResult::NotHandled) { |
| if (WebInputEvent::RawKeyDown == event.type) { |
| // Suppress the next keypress event unless the focused node is a plugin node. |
| // (Flash needs these keypress events to handle non-US keyboards.) |
| Element* element = focusedElement(); |
| if (element && element->layoutObject() && element->layoutObject()->isEmbeddedObject()) { |
| if (event.windowsKeyCode == VKEY_TAB) { |
| // If the plugin supports keyboard focus then we should not send a tab keypress event. |
| Widget* widget = toLayoutPart(element->layoutObject())->widget(); |
| if (widget && widget->isPluginContainer()) { |
| WebPluginContainerImpl* plugin = toWebPluginContainerImpl(widget); |
| if (plugin && plugin->supportsKeyboardFocus()) |
| m_suppressNextKeypressEvent = true; |
| } |
| } |
| } else { |
| m_suppressNextKeypressEvent = true; |
| } |
| } |
| return result; |
| } |
| |
| #if !OS(MACOSX) |
| const WebInputEvent::Type contextMenuTriggeringEventType = |
| #if OS(WIN) |
| WebInputEvent::KeyUp; |
| #else |
| WebInputEvent::RawKeyDown; |
| #endif |
| |
| bool isUnmodifiedMenuKey = !(event.modifiers & WebInputEvent::InputModifiers) && event.windowsKeyCode == VKEY_APPS; |
| bool isShiftF10 = event.modifiers == WebInputEvent::ShiftKey && event.windowsKeyCode == VKEY_F10; |
| if ((isUnmodifiedMenuKey || isShiftF10) && event.type == contextMenuTriggeringEventType) { |
| sendContextMenuEvent(event); |
| return WebInputEventResult::HandledSystem; |
| } |
| #endif // !OS(MACOSX) |
| |
| if (keyEventDefault(event)) |
| return WebInputEventResult::HandledSystem; |
| return WebInputEventResult::NotHandled; |
| } |
| |
| WebInputEventResult WebViewImpl::handleCharEvent(const WebKeyboardEvent& event) |
| { |
| ASSERT(event.type == WebInputEvent::Char); |
| TRACE_EVENT1("input", "WebViewImpl::handleCharEvent", |
| "text", String(event.text).utf8()); |
| |
| // Please refer to the comments explaining the m_suppressNextKeypressEvent |
| // member. The m_suppressNextKeypressEvent is set if the KeyDown is |
| // handled by Webkit. A keyDown event is typically associated with a |
| // keyPress(char) event and a keyUp event. We reset this flag here as it |
| // only applies to the current keyPress event. |
| bool suppress = m_suppressNextKeypressEvent; |
| m_suppressNextKeypressEvent = false; |
| |
| // If there is a popup, it should be the one processing the event, not the |
| // page. |
| if (m_pagePopup) |
| return m_pagePopup->handleKeyEvent(PlatformKeyboardEventBuilder(event)); |
| |
| LocalFrame* frame = toLocalFrame(focusedCoreFrame()); |
| if (!frame) |
| return suppress ? WebInputEventResult::HandledSuppressed : WebInputEventResult::NotHandled; |
| |
| EventHandler& handler = frame->eventHandler(); |
| |
| PlatformKeyboardEventBuilder evt(event); |
| if (!evt.isCharacterKey()) |
| return WebInputEventResult::HandledSuppressed; |
| |
| // Accesskeys are triggered by char events and can't be suppressed. |
| if (handler.handleAccessKey(evt)) |
| return WebInputEventResult::HandledSystem; |
| |
| // Safari 3.1 does not pass off windows system key messages (WM_SYSCHAR) to |
| // the eventHandler::keyEvent. We mimic this behavior on all platforms since |
| // for now we are converting other platform's key events to windows key |
| // events. |
| if (evt.isSystemKey()) |
| return WebInputEventResult::NotHandled; |
| |
| if (suppress) |
| return WebInputEventResult::HandledSuppressed; |
| |
| WebInputEventResult result = handler.keyEvent(evt); |
| if (result != WebInputEventResult::NotHandled) |
| return result; |
| if (keyEventDefault(event)) |
| return WebInputEventResult::HandledSystem; |
| |
| return WebInputEventResult::NotHandled; |
| } |
| |
| WebRect WebViewImpl::computeBlockBound(const WebPoint& pointInRootFrame, bool ignoreClipping) |
| { |
| if (!mainFrameImpl()) |
| return WebRect(); |
| |
| // Use the point-based hit test to find the node. |
| IntPoint point = mainFrameImpl()->frameView()->rootFrameToContents(IntPoint(pointInRootFrame.x, pointInRootFrame.y)); |
| HitTestRequest::HitTestRequestType hitType = HitTestRequest::ReadOnly | HitTestRequest::Active | (ignoreClipping ? HitTestRequest::IgnoreClipping : 0); |
| HitTestResult result = mainFrameImpl()->frame()->eventHandler().hitTestResultAtPoint(point, hitType); |
| result.setToShadowHostIfInUserAgentShadowRoot(); |
| |
| Node* node = result.innerNodeOrImageMapImage(); |
| if (!node) |
| return WebRect(); |
| |
| // Find the block type node based on the hit node. |
| // FIXME: This wants to walk flat tree with LayoutTreeBuilderTraversal::parent(). |
| while (node && (!node->layoutObject() || node->layoutObject()->isInline())) |
| node = LayoutTreeBuilderTraversal::parent(*node); |
| |
| // Return the bounding box in the root frame's coordinate space. |
| if (node) { |
| IntRect pointInRootFrame = node->Node::pixelSnappedBoundingBox(); |
| LocalFrame* frame = node->document().frame(); |
| return frame->view()->contentsToRootFrame(pointInRootFrame); |
| } |
| return WebRect(); |
| } |
| |
| WebRect WebViewImpl::widenRectWithinPageBounds(const WebRect& source, int targetMargin, int minimumMargin) |
| { |
| WebSize maxSize; |
| if (mainFrame()) |
| maxSize = mainFrame()->contentsSize(); |
| IntSize scrollOffset; |
| if (mainFrame()) |
| scrollOffset = mainFrame()->scrollOffset(); |
| int leftMargin = targetMargin; |
| int rightMargin = targetMargin; |
| |
| const int absoluteSourceX = source.x + scrollOffset.width(); |
| if (leftMargin > absoluteSourceX) { |
| leftMargin = absoluteSourceX; |
| rightMargin = std::max(leftMargin, minimumMargin); |
| } |
| |
| const int maximumRightMargin = maxSize.width - (source.width + absoluteSourceX); |
| if (rightMargin > maximumRightMargin) { |
| rightMargin = maximumRightMargin; |
| leftMargin = std::min(leftMargin, std::max(rightMargin, minimumMargin)); |
| } |
| |
| const int newWidth = source.width + leftMargin + rightMargin; |
| const int newX = source.x - leftMargin; |
| |
| ASSERT(newWidth >= 0); |
| ASSERT(scrollOffset.width() + newX + newWidth <= maxSize.width); |
| |
| return WebRect(newX, source.y, newWidth, source.height); |
| } |
| |
| float WebViewImpl::maximumLegiblePageScale() const |
| { |
| // Pages should be as legible as on desktop when at dpi scale, so no |
| // need to zoom in further when automatically determining zoom level |
| // (after double tap, find in page, etc), though the user should still |
| // be allowed to manually pinch zoom in further if they desire. |
| if (page()) |
| return m_maximumLegibleScale * page()->settings().accessibilityFontScaleFactor(); |
| return m_maximumLegibleScale; |
| } |
| |
| void WebViewImpl::computeScaleAndScrollForBlockRect(const WebPoint& hitPointInRootFrame, const WebRect& blockRectInRootFrame, float padding, float defaultScaleWhenAlreadyLegible, float& scale, WebPoint& scroll) |
| { |
| scale = pageScaleFactor(); |
| scroll.x = scroll.y = 0; |
| |
| WebRect rect = blockRectInRootFrame; |
| |
| if (!rect.isEmpty()) { |
| float defaultMargin = doubleTapZoomContentDefaultMargin; |
| float minimumMargin = doubleTapZoomContentMinimumMargin; |
| // We want the margins to have the same physical size, which means we |
| // need to express them in post-scale size. To do that we'd need to know |
| // the scale we're scaling to, but that depends on the margins. Instead |
| // we express them as a fraction of the target rectangle: this will be |
| // correct if we end up fully zooming to it, and won't matter if we |
| // don't. |
| rect = widenRectWithinPageBounds(rect, |
| static_cast<int>(defaultMargin * rect.width / m_size.width), |
| static_cast<int>(minimumMargin * rect.width / m_size.width)); |
| // Fit block to screen, respecting limits. |
| scale = static_cast<float>(m_size.width) / rect.width; |
| scale = std::min(scale, maximumLegiblePageScale()); |
| if (pageScaleFactor() < defaultScaleWhenAlreadyLegible) |
| scale = std::max(scale, defaultScaleWhenAlreadyLegible); |
| scale = clampPageScaleFactorToLimits(scale); |
| } |
| |
| // FIXME: If this is being called for auto zoom during find in page, |
| // then if the user manually zooms in it'd be nice to preserve the |
| // relative increase in zoom they caused (if they zoom out then it's ok |
| // to zoom them back in again). This isn't compatible with our current |
| // double-tap zoom strategy (fitting the containing block to the screen) |
| // though. |
| |
| float screenWidth = m_size.width / scale; |
| float screenHeight = m_size.height / scale; |
| |
| // Scroll to vertically align the block. |
| if (rect.height < screenHeight) { |
| // Vertically center short blocks. |
| rect.y -= 0.5 * (screenHeight - rect.height); |
| } else { |
| // Ensure position we're zooming to (+ padding) isn't off the bottom of |
| // the screen. |
| rect.y = std::max<float>(rect.y, hitPointInRootFrame.y + padding - screenHeight); |
| } // Otherwise top align the block. |
| |
| // Do the same thing for horizontal alignment. |
| if (rect.width < screenWidth) |
| rect.x -= 0.5 * (screenWidth - rect.width); |
| else |
| rect.x = std::max<float>(rect.x, hitPointInRootFrame.x + padding - screenWidth); |
| scroll.x = rect.x; |
| scroll.y = rect.y; |
| |
| scale = clampPageScaleFactorToLimits(scale); |
| scroll = mainFrameImpl()->frameView()->rootFrameToContents(scroll); |
| scroll = page()->frameHost().visualViewport().clampDocumentOffsetAtScale(scroll, scale); |
| } |
| |
| static Node* findCursorDefiningAncestor(Node* node, LocalFrame* frame) |
| { |
| // Go up the tree to find the node that defines a mouse cursor style |
| while (node) { |
| if (node->layoutObject()) { |
| ECursor cursor = node->layoutObject()->style()->cursor(); |
| if (cursor != CURSOR_AUTO || frame->eventHandler().useHandCursor(node, node->isLink())) |
| break; |
| } |
| node = LayoutTreeBuilderTraversal::parent(*node); |
| } |
| |
| return node; |
| } |
| |
| static bool showsHandCursor(Node* node, LocalFrame* frame) |
| { |
| if (!node || !node->layoutObject()) |
| return false; |
| |
| ECursor cursor = node->layoutObject()->style()->cursor(); |
| return cursor == CURSOR_POINTER |
| || (cursor == CURSOR_AUTO && frame->eventHandler().useHandCursor(node, node->isLink())); |
| } |
| |
| Node* WebViewImpl::bestTapNode(const GestureEventWithHitTestResults& targetedTapEvent) |
| { |
| TRACE_EVENT0("input", "WebViewImpl::bestTapNode"); |
| |
| if (!m_page || !m_page->mainFrame()) |
| return nullptr; |
| |
| Node* bestTouchNode = targetedTapEvent.hitTestResult().innerNode(); |
| if (!bestTouchNode) |
| return nullptr; |
| |
| // We might hit something like an image map that has no layoutObject on it |
| // Walk up the tree until we have a node with an attached layoutObject |
| while (!bestTouchNode->layoutObject()) { |
| bestTouchNode = LayoutTreeBuilderTraversal::parent(*bestTouchNode); |
| if (!bestTouchNode) |
| return nullptr; |
| } |
| |
| // Editable nodes should not be highlighted (e.g., <input>) |
| if (bestTouchNode->hasEditableStyle()) |
| return nullptr; |
| |
| Node* cursorDefiningAncestor = |
| findCursorDefiningAncestor(bestTouchNode, m_page->deprecatedLocalMainFrame()); |
| // We show a highlight on tap only when the current node shows a hand cursor |
| if (!cursorDefiningAncestor || !showsHandCursor(cursorDefiningAncestor, m_page->deprecatedLocalMainFrame())) { |
| return nullptr; |
| } |
| |
| // We should pick the largest enclosing node with hand cursor set. We do this by first jumping |
| // up to cursorDefiningAncestor (which is already known to have hand cursor set). Then we locate |
| // the next cursor-defining ancestor up in the the tree and repeat the jumps as long as the node |
| // has hand cursor set. |
| do { |
| bestTouchNode = cursorDefiningAncestor; |
| cursorDefiningAncestor = findCursorDefiningAncestor(LayoutTreeBuilderTraversal::parent(*bestTouchNode), |
| m_page->deprecatedLocalMainFrame()); |
| } while (cursorDefiningAncestor && showsHandCursor(cursorDefiningAncestor, m_page->deprecatedLocalMainFrame())); |
| |
| return bestTouchNode; |
| } |
| |
| void WebViewImpl::enableTapHighlightAtPoint(const GestureEventWithHitTestResults& targetedTapEvent) |
| { |
| Node* touchNode = bestTapNode(targetedTapEvent); |
| |
| WillBeHeapVector<RawPtrWillBeMember<Node>> highlightNodes; |
| highlightNodes.append(touchNode); |
| |
| enableTapHighlights(highlightNodes); |
| } |
| |
| void WebViewImpl::enableTapHighlights(WillBeHeapVector<RawPtrWillBeMember<Node>>& highlightNodes) |
| { |
| if (highlightNodes.isEmpty()) |
| return; |
| |
| // Always clear any existing highlight when this is invoked, even if we |
| // don't get a new target to highlight. |
| m_linkHighlights.clear(); |
| |
| for (size_t i = 0; i < highlightNodes.size(); ++i) { |
| Node* node = highlightNodes[i]; |
| |
| if (!node || !node->layoutObject()) |
| continue; |
| |
| Color highlightColor = node->layoutObject()->style()->tapHighlightColor(); |
| // Safari documentation for -webkit-tap-highlight-color says if the specified color has 0 alpha, |
| // then tap highlighting is disabled. |
| // http://developer.apple.com/library/safari/#documentation/appleapplications/reference/safaricssref/articles/standardcssproperties.html |
| if (!highlightColor.alpha()) |
| continue; |
| |
| m_linkHighlights.append(LinkHighlightImpl::create(node, this)); |
| } |
| |
| updateAllLifecyclePhases(); |
| } |
| |
| void WebViewImpl::animateDoubleTapZoom(const IntPoint& pointInRootFrame) |
| { |
| if (!mainFrameImpl()) |
| return; |
| |
| WebRect blockBounds = computeBlockBound(pointInRootFrame, false); |
| float scale; |
| WebPoint scroll; |
| |
| computeScaleAndScrollForBlockRect(pointInRootFrame, blockBounds, touchPointPadding, minimumPageScaleFactor() * doubleTapZoomAlreadyLegibleRatio, scale, scroll); |
| |
| bool stillAtPreviousDoubleTapScale = (pageScaleFactor() == m_doubleTapZoomPageScaleFactor |
| && m_doubleTapZoomPageScaleFactor != minimumPageScaleFactor()) |
| || m_doubleTapZoomPending; |
| |
| bool scaleUnchanged = fabs(pageScaleFactor() - scale) < minScaleDifference; |
| bool shouldZoomOut = blockBounds.isEmpty() || scaleUnchanged || stillAtPreviousDoubleTapScale; |
| |
| bool isAnimating; |
| |
| if (shouldZoomOut) { |
| scale = minimumPageScaleFactor(); |
| IntPoint targetPosition = mainFrameImpl()->frameView()->rootFrameToContents(pointInRootFrame); |
| isAnimating = startPageScaleAnimation(targetPosition, true, scale, doubleTapZoomAnimationDurationInSeconds); |
| } else { |
| isAnimating = startPageScaleAnimation(scroll, false, scale, doubleTapZoomAnimationDurationInSeconds); |
| } |
| |
| if (isAnimating) { |
| m_doubleTapZoomPageScaleFactor = scale; |
| m_doubleTapZoomPending = true; |
| } |
| } |
| |
| void WebViewImpl::zoomToFindInPageRect(const WebRect& rectInRootFrame) |
| { |
| if (!mainFrameImpl()) |
| return; |
| |
| WebRect blockBounds = computeBlockBound(WebPoint(rectInRootFrame.x + rectInRootFrame.width / 2, rectInRootFrame.y + rectInRootFrame.height / 2), true); |
| |
| if (blockBounds.isEmpty()) { |
| // Keep current scale (no need to scroll as x,y will normally already |
| // be visible). FIXME: Revisit this if it isn't always true. |
| return; |
| } |
| |
| float scale; |
| WebPoint scroll; |
| |
| computeScaleAndScrollForBlockRect(WebPoint(rectInRootFrame.x, rectInRootFrame.y), blockBounds, nonUserInitiatedPointPadding, minimumPageScaleFactor(), scale, scroll); |
| |
| startPageScaleAnimation(scroll, false, scale, findInPageAnimationDurationInSeconds); |
| } |
| |
| bool WebViewImpl::zoomToMultipleTargetsRect(const WebRect& rectInRootFrame) |
| { |
| if (!mainFrameImpl()) |
| return false; |
| |
| float scale; |
| WebPoint scroll; |
| |
| computeScaleAndScrollForBlockRect(WebPoint(rectInRootFrame.x, rectInRootFrame.y), rectInRootFrame, nonUserInitiatedPointPadding, minimumPageScaleFactor(), scale, scroll); |
| |
| if (scale <= pageScaleFactor()) |
| return false; |
| |
| startPageScaleAnimation(scroll, false, scale, multipleTargetsZoomAnimationDurationInSeconds); |
| return true; |
| } |
| |
| void WebViewImpl::hasTouchEventHandlers(bool hasTouchHandlers) |
| { |
| if (m_client) |
| m_client->hasTouchEventHandlers(hasTouchHandlers); |
| } |
| |
| bool WebViewImpl::hasTouchEventHandlersAt(const WebPoint& point) |
| { |
| // FIXME: Implement this. Note that the point must be divided by pageScaleFactor. |
| return true; |
| } |
| |
| #if !OS(MACOSX) |
| // Mac has no way to open a context menu based on a keyboard event. |
| WebInputEventResult WebViewImpl::sendContextMenuEvent(const WebKeyboardEvent& event) |
| { |
| // The contextMenuController() holds onto the last context menu that was |
| // popped up on the page until a new one is created. We need to clear |
| // this menu before propagating the event through the DOM so that we can |
| // detect if we create a new menu for this event, since we won't create |
| // a new menu if the DOM swallows the event and the defaultEventHandler does |
| // not run. |
| page()->contextMenuController().clearContextMenu(); |
| |
| { |
| ContextMenuAllowedScope scope; |
| Frame* focusedFrame = page()->focusController().focusedOrMainFrame(); |
| if (!focusedFrame->isLocalFrame()) |
| return WebInputEventResult::NotHandled; |
| return toLocalFrame(focusedFrame)->eventHandler().sendContextMenuEventForKey(nullptr); |
| } |
| } |
| #endif |
| |
| void WebViewImpl::showContextMenuAtPoint(float x, float y, PassRefPtrWillBeRawPtr<ContextMenuProvider> menuProvider) |
| { |
| if (!page()->mainFrame()->isLocalFrame()) |
| return; |
| { |
| ContextMenuAllowedScope scope; |
| page()->contextMenuController().clearContextMenu(); |
| page()->contextMenuController().showContextMenuAtPoint(page()->deprecatedLocalMainFrame(), x, y, menuProvider); |
| } |
| } |
| |
| void WebViewImpl::showContextMenuForElement(WebElement element) |
| { |
| if (!page()) |
| return; |
| |
| page()->contextMenuController().clearContextMenu(); |
| { |
| ContextMenuAllowedScope scope; |
| if (LocalFrame* focusedFrame = toLocalFrame(page()->focusController().focusedOrMainFrame())) |
| focusedFrame->eventHandler().sendContextMenuEventForKey(element.unwrap<Element>()); |
| } |
| } |
| |
| bool WebViewImpl::keyEventDefault(const WebKeyboardEvent& event) |
| { |
| LocalFrame* frame = toLocalFrame(focusedCoreFrame()); |
| if (!frame) |
| return false; |
| |
| switch (event.type) { |
| case WebInputEvent::Char: |
| if (event.windowsKeyCode == VKEY_SPACE) { |
| int keyCode = ((event.modifiers & WebInputEvent::ShiftKey) ? VKEY_PRIOR : VKEY_NEXT); |
| return scrollViewWithKeyboard(keyCode, event.modifiers); |
| } |
| break; |
| case WebInputEvent::RawKeyDown: |
| if (event.modifiers == WebInputEvent::ControlKey) { |
| switch (event.windowsKeyCode) { |
| #if !OS(MACOSX) |
| case 'A': |
| focusedFrame()->executeCommand(WebString::fromUTF8("SelectAll")); |
| return true; |
| case VKEY_INSERT: |
| case 'C': |
| focusedFrame()->executeCommand(WebString::fromUTF8("Copy")); |
| return true; |
| #endif |
| // Match FF behavior in the sense that Ctrl+home/end are the only Ctrl |
| // key combinations which affect scrolling. Safari is buggy in the |
| // sense that it scrolls the page for all Ctrl+scrolling key |
| // combinations. For e.g. Ctrl+pgup/pgdn/up/down, etc. |
| case VKEY_HOME: |
| case VKEY_END: |
| break; |
| default: |
| return false; |
| } |
| } |
| if (!event.isSystemKey && !(event.modifiers & WebInputEvent::ShiftKey)) |
| return scrollViewWithKeyboard(event.windowsKeyCode, event.modifiers); |
| break; |
| default: |
| break; |
| } |
| return false; |
| } |
| |
| bool WebViewImpl::scrollViewWithKeyboard(int keyCode, int modifiers) |
| { |
| ScrollDirectionPhysical scrollDirectionPhysical; |
| ScrollGranularity scrollGranularity; |
| #if OS(MACOSX) |
| // Alt-Up/Down should be PageUp/Down on Mac. |
| if (modifiers & WebMouseEvent::AltKey) { |
| if (keyCode == VKEY_UP) |
| keyCode = VKEY_PRIOR; |
| else if (keyCode == VKEY_DOWN) |
| keyCode = VKEY_NEXT; |
| } |
| #endif |
| if (!mapKeyCodeForScroll(keyCode, &scrollDirectionPhysical, &scrollGranularity)) |
| return false; |
| |
| if (LocalFrame* frame = toLocalFrame(focusedCoreFrame())) |
| return frame->eventHandler().bubblingScroll(toScrollDirection(scrollDirectionPhysical), scrollGranularity); |
| return false; |
| } |
| |
| bool WebViewImpl::mapKeyCodeForScroll( |
| int keyCode, |
| ScrollDirectionPhysical* scrollDirection, |
| ScrollGranularity* scrollGranularity) |
| { |
| switch (keyCode) { |
| case VKEY_LEFT: |
| *scrollDirection = ScrollLeft; |
| *scrollGranularity = ScrollByLine; |
| break; |
| case VKEY_RIGHT: |
| *scrollDirection = ScrollRight; |
| *scrollGranularity = ScrollByLine; |
| break; |
| case VKEY_UP: |
| *scrollDirection = ScrollUp; |
| *scrollGranularity = ScrollByLine; |
| break; |
| case VKEY_DOWN: |
| *scrollDirection = ScrollDown; |
| *scrollGranularity = ScrollByLine; |
| break; |
| case VKEY_HOME: |
| *scrollDirection = ScrollUp; |
| *scrollGranularity = ScrollByDocument; |
| break; |
| case VKEY_END: |
| *scrollDirection = ScrollDown; |
| *scrollGranularity = ScrollByDocument; |
| break; |
| case VKEY_PRIOR: // page up |
| *scrollDirection = ScrollUp; |
| *scrollGranularity = ScrollByPage; |
| break; |
| case VKEY_NEXT: // page down |
| *scrollDirection = ScrollDown; |
| *scrollGranularity = ScrollByPage; |
| break; |
| default: |
| return false; |
| } |
| |
| return true; |
| } |
| |
| PagePopup* WebViewImpl::openPagePopup(PagePopupClient* client) |
| { |
| ASSERT(client); |
| if (hasOpenedPopup()) |
| hidePopups(); |
| ASSERT(!m_pagePopup); |
| |
| WebWidget* popupWidget = m_client->createPopupMenu(WebPopupTypePage); |
| ASSERT(popupWidget); |
| m_pagePopup = toWebPagePopupImpl(popupWidget); |
| if (!m_pagePopup->initialize(this, client)) { |
| m_pagePopup->closePopup(); |
| m_pagePopup = nullptr; |
| } |
| enablePopupMouseWheelEventListener(); |
| return m_pagePopup.get(); |
| } |
| |
| void WebViewImpl::closePagePopup(PagePopup* popup) |
| { |
| ASSERT(popup); |
| WebPagePopupImpl* popupImpl = toWebPagePopupImpl(popup); |
| ASSERT(m_pagePopup.get() == popupImpl); |
| if (m_pagePopup.get() != popupImpl) |
| return; |
| m_pagePopup->closePopup(); |
| cleanupPagePopup(); |
| } |
| |
| void WebViewImpl::cleanupPagePopup() |
| { |
| m_pagePopup = nullptr; |
| disablePopupMouseWheelEventListener(); |
| } |
| |
| void WebViewImpl::cancelPagePopup() |
| { |
| if (m_pagePopup) |
| m_pagePopup->cancel(); |
| } |
| |
| void WebViewImpl::enablePopupMouseWheelEventListener() |
| { |
| // TODO(kenrb): Popup coordination for out-of-process iframes needs to be |
| // added. Because of the early return here a select element |
| // popup can remain visible even when the element underneath it is |
| // scrolled to a new position. This is part of a larger set of issues with |
| // popups. |
| // See https://crbug.com/566130 |
| if (!mainFrameImpl() || !mainFrameImpl()->frame()->isLocalFrame()) |
| return; |
| ASSERT(!m_popupMouseWheelEventListener); |
| Document* document = mainFrameImpl()->frame()->document(); |
| ASSERT(document); |
| // We register an empty event listener, EmptyEventListener, so that mouse |
| // wheel events get sent to the WebView. |
| m_popupMouseWheelEventListener = EmptyEventListener::create(); |
| document->addEventListener(EventTypeNames::mousewheel, m_popupMouseWheelEventListener, false); |
| } |
| |
| void WebViewImpl::disablePopupMouseWheelEventListener() |
| { |
| // TODO(kenrb): Concerns the same as in enablePopupMouseWheelEventListener. |
| // See https://crbug.com/566130 |
| if (!mainFrameImpl() || !mainFrameImpl()->frame()->isLocalFrame()) |
| return; |
| ASSERT(m_popupMouseWheelEventListener); |
| Document* document = mainFrameImpl()->frame()->document(); |
| ASSERT(document); |
| // Document may have already removed the event listener, for instance, due |
| // to a navigation, but remove it anyway. |
| document->removeEventListener(EventTypeNames::mousewheel, m_popupMouseWheelEventListener.release(), false); |
| } |
| |
| LocalDOMWindow* WebViewImpl::pagePopupWindow() const |
| { |
| return m_pagePopup ? m_pagePopup->window() : nullptr; |
| } |
| |
| Frame* WebViewImpl::focusedCoreFrame() const |
| { |
| return m_page ? m_page->focusController().focusedOrMainFrame() : nullptr; |
| } |
| |
| WebViewImpl* WebViewImpl::fromPage(Page* page) |
| { |
| return page ? static_cast<WebViewImpl*>(page->chromeClient().webView()) : nullptr; |
| } |
| |
| // WebWidget ------------------------------------------------------------------ |
| |
| void WebViewImpl::close() |
| { |
| WebDevToolsAgentImpl::webViewImplClosed(this); |
| ASSERT(allInstances().contains(this)); |
| allInstances().remove(this); |
| |
| if (m_page) { |
| // Initiate shutdown for the entire frameset. This will cause a lot of |
| // notifications to be sent. |
| m_page->willBeDestroyed(); |
| m_page.clear(); |
| } |
| |
| // Reset the delegate to prevent notifications being sent as we're being |
| // deleted. |
| m_client = nullptr; |
| |
| deref(); // Balances ref() acquired in WebView::create |
| } |
| |
| void WebViewImpl::willStartLiveResize() |
| { |
| if (mainFrameImpl() && mainFrameImpl()->frameView()) |
| mainFrameImpl()->frameView()->willStartLiveResize(); |
| } |
| |
| WebSize WebViewImpl::size() |
| { |
| return m_size; |
| } |
| |
| void WebViewImpl::resizeVisualViewport(const WebSize& newSize) |
| { |
| page()->frameHost().visualViewport().setSize(newSize); |
| page()->frameHost().visualViewport().clampToBoundaries(); |
| } |
| |
| void WebViewImpl::performResize() |
| { |
| // We'll keep the initial containing block size from changing when the top |
| // controls hide so that the ICB will always be the same size as the |
| // viewport with the top controls shown. |
| IntSize ICBSize = m_size; |
| if (!topControls().shrinkViewport()) |
| ICBSize.expand(0, -topControls().height()); |
| |
| pageScaleConstraintsSet().didChangeInitialContainingBlockSize(ICBSize); |
| |
| updatePageDefinedViewportConstraints(mainFrameImpl()->frame()->document()->viewportDescription()); |
| updateMainFrameLayoutSize(); |
| |
| page()->frameHost().visualViewport().setSize(m_size); |
| |
| if (mainFrameImpl()->frameView()) { |
| if (!mainFrameImpl()->frameView()->needsLayout()) |
| postLayoutResize(mainFrameImpl()); |
| } |
| } |
| |
| void WebViewImpl::setTopControlsHeight(float height, bool topControlsShrinkLayoutSize) |
| { |
| topControls().setHeight(height, topControlsShrinkLayoutSize); |
| } |
| |
| void WebViewImpl::updateTopControlsState(WebTopControlsState constraint, WebTopControlsState current, bool animate) |
| { |
| topControls().updateConstraints(constraint); |
| if (m_layerTreeView) |
| m_layerTreeView->updateTopControlsState(constraint, current, animate); |
| } |
| |
| void WebViewImpl::didUpdateTopControls() |
| { |
| if (m_layerTreeView) { |
| m_layerTreeView->setTopControlsShownRatio(topControls().shownRatio()); |
| m_layerTreeView->setTopControlsHeight(topControls().height(), topControls().shrinkViewport()); |
| } |
| |
| WebLocalFrameImpl* mainFrame = mainFrameImpl(); |
| if (!mainFrame) |
| return; |
| |
| FrameView* view = mainFrame->frameView(); |
| if (!view) |
| return; |
| |
| VisualViewport& visualViewport = page()->frameHost().visualViewport(); |
| float topControlsViewportAdjustment = topControls().layoutHeight() - topControls().contentOffset(); |
| visualViewport.setTopControlsAdjustment(topControlsViewportAdjustment); |
| |
| // Shrink the FrameView by the amount that will maintain the aspect-ratio with the VisualViewport. |
| view->setTopControlsViewportAdjustment(topControlsViewportAdjustment / minimumPageScaleFactor()); |
| } |
| |
| TopControls& WebViewImpl::topControls() |
| { |
| return page()->frameHost().topControls(); |
| } |
| |
| void WebViewImpl::resizeViewWhileAnchored(FrameView* view) |
| { |
| ASSERT(mainFrameImpl() && mainFrameImpl()->frame()->isLocalFrame()); |
| |
| { |
| // Avoids unnecessary invalidations while various bits of state in TextAutosizer are updated. |
| TextAutosizer::DeferUpdatePageInfo deferUpdatePageInfo(page()); |
| performResize(); |
| } |
| |
| m_fullscreenController->updateSize(); |
| |
| // Update lifecyle phases immediately to recalculate the minimum scale limit for rotation anchoring, |
| // and to make sure that no lifecycle states are stale if this WebView is embedded in another one. |
| updateAllLifecyclePhases(); |
| } |
| |
| void WebViewImpl::resize(const WebSize& newSize) |
| { |
| if (m_shouldAutoResize || m_size == newSize) |
| return; |
| |
| if (page()->mainFrame() && !page()->mainFrame()->isLocalFrame()) { |
| // Viewport resize for a remote main frame does not require any |
| // particular action, but the state needs to reflect the correct size |
| // so that it can be used for initalization if the main frame gets |
| // swapped to a LocalFrame at a later time. |
| m_size = newSize; |
| pageScaleConstraintsSet().didChangeInitialContainingBlockSize(m_size); |
| page()->frameHost().visualViewport().setSize(m_size); |
| return; |
| } |
| |
| WebLocalFrameImpl* mainFrame = mainFrameImpl(); |
| if (!mainFrame) |
| return; |
| |
| FrameView* view = mainFrame->frameView(); |
| if (!view) |
| return; |
| |
| VisualViewport& visualViewport = page()->frameHost().visualViewport(); |
| |
| bool isRotation = settings()->mainFrameResizesAreOrientationChanges() |
| && m_size.width && contentsSize().width() && newSize.width != m_size.width && !m_fullscreenController->isFullscreen(); |
| m_size = newSize; |
| |
| FloatSize viewportAnchorCoords(viewportAnchorCoordX, viewportAnchorCoordY); |
| if (isRotation) { |
| RotationViewportAnchor anchor(*view, visualViewport, viewportAnchorCoords, pageScaleConstraintsSet()); |
| resizeViewWhileAnchored(view); |
| } else { |
| ResizeViewportAnchor anchor(*view, visualViewport); |
| resizeViewWhileAnchored(view); |
| } |
| sendResizeEventAndRepaint(); |
| } |
| |
| void WebViewImpl::willEndLiveResize() |
| { |
| if (mainFrameImpl() && mainFrameImpl()->frameView()) |
| mainFrameImpl()->frameView()->willEndLiveResize(); |
| } |
| |
| void WebViewImpl::didEnterFullScreen() |
| { |
| m_fullscreenController->didEnterFullScreen(); |
| } |
| |
| void WebViewImpl::didExitFullScreen() |
| { |
| m_fullscreenController->didExitFullScreen(); |
| } |
| |
| void WebViewImpl::beginFrame(double lastFrameTimeMonotonic) |
| { |
| TRACE_EVENT1("blink", "WebViewImpl::beginFrame", "frameTime", lastFrameTimeMonotonic); |
| ASSERT(lastFrameTimeMonotonic); |
| |
| // Create synthetic wheel events as necessary for fling. |
| if (m_gestureAnimation) { |
| if (m_gestureAnimation->animate(lastFrameTimeMonotonic)) |
| scheduleAnimation(); |
| else { |
| ASSERT(m_flingSourceDevice != WebGestureDeviceUninitialized); |
| WebGestureDevice lastFlingSourceDevice = m_flingSourceDevice; |
| endActiveFlingAnimation(); |
| |
| PlatformGestureEvent endScrollEvent(PlatformEvent::GestureScrollEnd, |
| m_positionOnFlingStart, m_globalPositionOnFlingStart, |
| IntSize(), 0, PlatformEvent::NoModifiers, lastFlingSourceDevice == WebGestureDeviceTouchpad ? PlatformGestureSourceTouchpad : PlatformGestureSourceTouchscreen); |
| endScrollEvent.setScrollGestureData(0, 0, ScrollByPrecisePixel, 0, 0, true, false, -1 /* null plugin id */); |
| |
| mainFrameImpl()->frame()->eventHandler().handleGestureScrollEnd(endScrollEvent); |
| } |
| } |
| |
| if (!m_page) |
| return; |
| |
| PageWidgetDelegate::animate(*m_page, lastFrameTimeMonotonic); |
| } |
| |
| void WebViewImpl::updateAllLifecyclePhases() |
| { |
| TRACE_EVENT0("blink", "WebViewImpl::updateAllLifecyclePhases"); |
| if (!mainFrameImpl()) |
| return; |
| |
| updateLayerTreeBackgroundColor(); |
| |
| PageWidgetDelegate::updateAllLifecyclePhases(*m_page, *mainFrameImpl()->frame()); |
| |
| if (InspectorOverlay* overlay = inspectorOverlay()) { |
| overlay->updateAllLifecyclePhases(); |
| // TODO(chrishtr): integrate paint into the overlay's lifecycle. |
| if (overlay->pageOverlay() && overlay->pageOverlay()->graphicsLayer()) |
| overlay->pageOverlay()->graphicsLayer()->paint(nullptr); |
| } |
| if (m_pageColorOverlay) |
| m_pageColorOverlay->graphicsLayer()->paint(nullptr); |
| |
| // TODO(chrishtr): link highlights don't currently paint themselves, it's still driven by cc. |
| // Fix this. |
| for (size_t i = 0; i < m_linkHighlights.size(); ++i) |
| m_linkHighlights[i]->updateGeometry(); |
| |
| if (FrameView* view = mainFrameImpl()->frameView()) { |
| LocalFrame* frame = mainFrameImpl()->frame(); |
| |
| if (m_shouldDispatchFirstVisuallyNonEmptyLayout && view->isVisuallyNonEmpty()) { |
| m_shouldDispatchFirstVisuallyNonEmptyLayout = false; |
| // TODO(esprehn): Move users of this callback to something |
| // better, the heuristic for "visually non-empty" is bad. |
| client()->didMeaningfulLayout(WebMeaningfulLayout::VisuallyNonEmpty); |
| } |
| |
| if (m_shouldDispatchFirstLayoutAfterFinishedParsing && frame->document()->hasFinishedParsing()) { |
| m_shouldDispatchFirstLayoutAfterFinishedParsing = false; |
| client()->didMeaningfulLayout(WebMeaningfulLayout::FinishedParsing); |
| } |
| |
| if (m_shouldDispatchFirstLayoutAfterFinishedLoading && frame->document()->isLoadCompleted()) { |
| m_shouldDispatchFirstLayoutAfterFinishedLoading = false; |
| client()->didMeaningfulLayout(WebMeaningfulLayout::FinishedLoading); |
| } |
| } |
| } |
| |
| void WebViewImpl::paint(WebCanvas* canvas, const WebRect& rect) |
| { |
| // This should only be used when compositing is not being used for this |
| // WebView, and it is painting into the recording of its parent. |
| ASSERT(!isAcceleratedCompositingActive()); |
| |
| double paintStart = currentTime(); |
| PageWidgetDelegate::paint(*m_page, canvas, rect, *m_page->deprecatedLocalMainFrame()); |
| double paintEnd = currentTime(); |
| double pixelsPerSec = (rect.width * rect.height) / (paintEnd - paintStart); |
| DEFINE_STATIC_LOCAL(CustomCountHistogram, softwarePaintDurationHistogram, ("Renderer4.SoftwarePaintDurationMS", 0, 120, 30)); |
| softwarePaintDurationHistogram.count((paintEnd - paintStart) * 1000); |
| DEFINE_STATIC_LOCAL(CustomCountHistogram, softwarePaintRateHistogram, ("Renderer4.SoftwarePaintMegapixPerSecond", 10, 210, 30)); |
| softwarePaintRateHistogram.count(pixelsPerSec / 1000000); |
| } |
| |
| #if OS(ANDROID) |
| void WebViewImpl::paintCompositedDeprecated(WebCanvas* canvas, const WebRect& rect) |
| { |
| // Note: This method exists on OS(ANDROID) and will hopefully be |
| // removed once the link disambiguation feature renders using |
| // the compositor. |
| ASSERT(isAcceleratedCompositingActive()); |
| |
| PageWidgetDelegate::paintIgnoringCompositing(*m_page, canvas, rect, *m_page->deprecatedLocalMainFrame()); |
| } |
| #endif |
| |
| void WebViewImpl::layoutAndPaintAsync(WebLayoutAndPaintAsyncCallback* callback) |
| { |
| m_layerTreeView->layoutAndPaintAsync(callback); |
| } |
| |
| void WebViewImpl::compositeAndReadbackAsync(WebCompositeAndReadbackAsyncCallback* callback) |
| { |
| m_layerTreeView->compositeAndReadbackAsync(callback); |
| } |
| |
| void WebViewImpl::themeChanged() |
| { |
| if (!page()) |
| return; |
| if (!page()->mainFrame()->isLocalFrame()) |
| return; |
| FrameView* view = page()->deprecatedLocalMainFrame()->view(); |
| |
| WebRect damagedRect(0, 0, m_size.width, m_size.height); |
| view->invalidateRect(damagedRect); |
| } |
| |
| void WebViewImpl::enterFullScreenForElement(Element* element) |
| { |
| m_fullscreenController->enterFullScreenForElement(element); |
| } |
| |
| void WebViewImpl::exitFullScreenForElement(Element* element) |
| { |
| m_fullscreenController->exitFullScreenForElement(element); |
| } |
| |
| void WebViewImpl::clearCompositedSelection() |
| { |
| if (m_layerTreeView) |
| m_layerTreeView->clearSelection(); |
| } |
| |
| void WebViewImpl::updateCompositedSelection(const WebSelection& selection) |
| { |
| if (m_layerTreeView) |
| m_layerTreeView->registerSelection(selection); |
| } |
| |
| bool WebViewImpl::hasHorizontalScrollbar() |
| { |
| return mainFrameImpl()->frameView()->horizontalScrollbar(); |
| } |
| |
| bool WebViewImpl::hasVerticalScrollbar() |
| { |
| return mainFrameImpl()->frameView()->verticalScrollbar(); |
| } |
| |
| const WebInputEvent* WebViewImpl::m_currentInputEvent = nullptr; |
| |
| WebInputEventResult WebViewImpl::handleInputEvent(const WebInputEvent& inputEvent) |
| { |
| // TODO(dcheng): The fact that this is getting called when there is no local |
| // main frame is problematic and probably indicates a bug in the input event |
| // routing code. |
| if (!mainFrameImpl()) |
| return WebInputEventResult::NotHandled; |
| |
| WebAutofillClient* autofillClient = mainFrameImpl()->autofillClient(); |
| UserGestureNotifier notifier(autofillClient, &m_userGestureObserved); |
| // On the first input event since page load, |notifier| instructs the |
| // autofill client to unblock values of password input fields of any forms |
| // on the page. There is a single input event, GestureTap, which can both |
| // be the first event after page load, and cause a form submission. In that |
| // case, the form submission happens before the autofill client is told |
| // to unblock the password values, and so the password values are not |
| // submitted. To avoid that, GestureTap is handled explicitly: |
| if (inputEvent.type == WebInputEvent::GestureTap && autofillClient) { |
| m_userGestureObserved = true; |
| autofillClient->firstUserGestureObserved(); |
| } |
| |
| page()->frameHost().visualViewport().startTrackingPinchStats(); |
| |
| TRACE_EVENT1("input", "WebViewImpl::handleInputEvent", "type", inputTypeToName(inputEvent.type)); |
| // If we've started a drag and drop operation, ignore input events until |
| // we're done. |
| if (m_doingDragAndDrop) |
| return WebInputEventResult::HandledSuppressed; |
| |
| if (m_devToolsEmulator->handleInputEvent(inputEvent)) |
| return WebInputEventResult::HandledSuppressed; |
| |
| if (InspectorOverlay* overlay = inspectorOverlay()) { |
| if (overlay->handleInputEvent(inputEvent)) |
| return WebInputEventResult::HandledSuppressed; |
| } |
| |
| if (inputEvent.modifiers & WebInputEvent::IsTouchAccessibility |
| && WebInputEvent::isMouseEventType(inputEvent.type)) { |
| PlatformMouseEventBuilder pme(mainFrameImpl()->frameView(), static_cast<const WebMouseEvent&>(inputEvent)); |
| |
| // Find the right target frame. See issue 1186900. |
| HitTestResult result = hitTestResultForRootFramePos(pme.position()); |
| Frame* targetFrame; |
| if (result.innerNodeOrImageMapImage()) |
| targetFrame = result.innerNodeOrImageMapImage()->document().frame(); |
| else |
| targetFrame = m_page->focusController().focusedOrMainFrame(); |
| |
| if (targetFrame->isLocalFrame()) { |
| LocalFrame* targetLocalFrame = toLocalFrame(targetFrame); |
| Document* document = targetLocalFrame->document(); |
| if (document) { |
| AXObjectCache* cache = document->existingAXObjectCache(); |
| if (cache) |
| cache->onTouchAccessibilityHover(pme.position()); |
| } |
| } |
| } |
| |
| // Report the event to be NOT processed by WebKit, so that the browser can handle it appropriately. |
| if (m_ignoreInputEvents) |
| return WebInputEventResult::NotHandled; |
| |
| TemporaryChange<const WebInputEvent*> currentEventChange(m_currentInputEvent, &inputEvent); |
| UIEventWithKeyState::clearNewTabModifierSetFromIsolatedWorld(); |
| |
| if (isPointerLocked() && WebInputEvent::isMouseEventType(inputEvent.type)) { |
| pointerLockMouseEvent(inputEvent); |
| return WebInputEventResult::HandledSystem; |
| } |
| |
| if (m_mouseCaptureNode && WebInputEvent::isMouseEventType(inputEvent.type)) { |
| TRACE_EVENT1("input", "captured mouse event", "type", inputEvent.type); |
| // Save m_mouseCaptureNode since mouseCaptureLost() will clear it. |
| RefPtrWillBeRawPtr<Node> node = m_mouseCaptureNode; |
| |
| // Not all platforms call mouseCaptureLost() directly. |
| if (inputEvent.type == WebInputEvent::MouseUp) |
| mouseCaptureLost(); |
| |
| OwnPtr<UserGestureIndicator> gestureIndicator; |
| |
| AtomicString eventType; |
| switch (inputEvent.type) { |
| case WebInputEvent::MouseMove: |
| eventType = EventTypeNames::mousemove; |
| break; |
| case WebInputEvent::MouseLeave: |
| eventType = EventTypeNames::mouseout; |
| break; |
| case WebInputEvent::MouseDown: |
| eventType = EventTypeNames::mousedown; |
| gestureIndicator = adoptPtr(new UserGestureIndicator(DefinitelyProcessingNewUserGesture)); |
| m_mouseCaptureGestureToken = gestureIndicator->currentToken(); |
| break; |
| case WebInputEvent::MouseUp: |
| eventType = EventTypeNames::mouseup; |
| gestureIndicator = adoptPtr(new UserGestureIndicator(m_mouseCaptureGestureToken.release())); |
| break; |
| default: |
| ASSERT_NOT_REACHED(); |
| } |
| |
| node->dispatchMouseEvent( |
| PlatformMouseEventBuilder(mainFrameImpl()->frameView(), static_cast<const WebMouseEvent&>(inputEvent)), |
| eventType, static_cast<const WebMouseEvent&>(inputEvent).clickCount); |
| return WebInputEventResult::HandledSystem; |
| } |
| |
| // FIXME: This should take in the intended frame, not the local frame root. |
| WebInputEventResult result = PageWidgetDelegate::handleInputEvent(*this, inputEvent, mainFrameImpl()->frame()); |
| if (result != WebInputEventResult::NotHandled) |
| return result; |
| |
| // Unhandled touchpad gesture pinch events synthesize mouse wheel events. |
| if (inputEvent.type == WebInputEvent::GesturePinchUpdate) { |
| const WebGestureEvent& pinchEvent = static_cast<const WebGestureEvent&>(inputEvent); |
| |
| // First, synthesize a Windows-like wheel event to send to any handlers that may exist. |
| result = handleSyntheticWheelFromTouchpadPinchEvent(pinchEvent); |
| if (result != WebInputEventResult::NotHandled) |
| return result; |
| |
| if (pinchEvent.data.pinchUpdate.zoomDisabled) |
| return WebInputEventResult::NotHandled; |
| |
| if (page()->frameHost().visualViewport().magnifyScaleAroundAnchor(pinchEvent.data.pinchUpdate.scale, FloatPoint(pinchEvent.x, pinchEvent.y))) |
| return WebInputEventResult::HandledSystem; |
| } |
| |
| return WebInputEventResult::NotHandled; |
| } |
| |
| void WebViewImpl::setCursorVisibilityState(bool isVisible) |
| { |
| if (m_page) |
| m_page->setIsCursorVisible(isVisible); |
| } |
| |
| void WebViewImpl::mouseCaptureLost() |
| { |
| TRACE_EVENT_ASYNC_END0("input", "capturing mouse", this); |
| m_mouseCaptureNode = nullptr; |
| } |
| |
| void WebViewImpl::setFocus(bool enable) |
| { |
| m_page->focusController().setFocused(enable); |
| if (enable) { |
| m_page->focusController().setActive(true); |
| RefPtrWillBeRawPtr<LocalFrame> focusedFrame = m_page->focusController().focusedFrame(); |
| if (focusedFrame) { |
| Element* element = focusedFrame->document()->focusedElement(); |
| if (element && focusedFrame->selection().selection().isNone()) { |
| // If the selection was cleared while the WebView was not |
| // focused, then the focus element shows with a focus ring but |
| // no caret and does respond to keyboard inputs. |
| if (element->isTextFormControl()) { |
| element->updateFocusAppearance(SelectionBehaviorOnFocus::Restore); |
| } else if (element->isContentEditable()) { |
| // updateFocusAppearance() selects all the text of |
| // contentseditable DIVs. So we set the selection explicitly |
| // instead. Note that this has the side effect of moving the |
| // caret back to the beginning of the text. |
| Position position(element, 0); |
| focusedFrame->selection().setSelection(VisibleSelection(position, SelDefaultAffinity)); |
| } |
| } |
| } |
| m_imeAcceptEvents = true; |
| } else { |
| hidePopups(); |
| |
| // Clear focus on the currently focused frame if any. |
| if (!m_page) |
| return; |
| |
| LocalFrame* frame = m_page->mainFrame() && m_page->mainFrame()->isLocalFrame() |
| ? m_page->deprecatedLocalMainFrame() : nullptr; |
| if (!frame) |
| return; |
| |
| RefPtrWillBeRawPtr<LocalFrame> focusedFrame = m_page->focusController().focusedFrame(); |
| if (focusedFrame) { |
| // Finish an ongoing composition to delete the composition node. |
| if (focusedFrame->inputMethodController().hasComposition()) { |
| WebAutofillClient* autofillClient = WebLocalFrameImpl::fromFrame(focusedFrame.get())->autofillClient(); |
| |
| if (autofillClient) |
| autofillClient->setIgnoreTextChanges(true); |
| |
| focusedFrame->inputMethodController().confirmComposition(); |
| |
| if (autofillClient) |
| autofillClient->setIgnoreTextChanges(false); |
| } |
| m_imeAcceptEvents = false; |
| } |
| } |
| } |
| |
| bool WebViewImpl::setComposition( |
| const WebString& text, |
| const WebVector<WebCompositionUnderline>& underlines, |
| int selectionStart, |
| int selectionEnd) |
| { |
| LocalFrame* focused = toLocalFrame(focusedCoreFrame()); |
| if (!focused || !m_imeAcceptEvents) |
| return false; |
| |
| if (WebPlugin* plugin = focusedPluginIfInputMethodSupported(focused)) |
| return plugin->setComposition(text, underlines, selectionStart, selectionEnd); |
| |
| // The input focus has been moved to another WebWidget object. |
| // We should use this |editor| object only to complete the ongoing |
| // composition. |
| InputMethodController& inputMethodController = focused->inputMethodController(); |
| if (!focused->editor().canEdit() && !inputMethodController.hasComposition()) |
| return false; |
| |
| // We should verify the parent node of this IME composition node are |
| // editable because JavaScript may delete a parent node of the composition |
| // node. In this case, WebKit crashes while deleting texts from the parent |
| // node, which doesn't exist any longer. |
| const EphemeralRange range = inputMethodController.compositionEphemeralRange(); |
| if (range.isNotNull()) { |
| Node* node = range.startPosition().computeContainerNode(); |
| if (!node || !node->isContentEditable()) |
| return false; |
| } |
| |
| // A keypress event is canceled. If an ongoing composition exists, then the |
| // keydown event should have arisen from a handled key (e.g., backspace). |
| // In this case we ignore the cancellation and continue; otherwise (no |
| // ongoing composition) we exit and signal success only for attempts to |
| // clear the composition. |
| if (m_suppressNextKeypressEvent && !inputMethodController.hasComposition()) |
| return text.isEmpty(); |
| |
| UserGestureIndicator gestureIndicator(DefinitelyProcessingNewUserGesture); |
| |
| // When the range of composition underlines overlap with the range between |
| // selectionStart and selectionEnd, WebKit somehow won't paint the selection |
| // at all (see InlineTextBox::paint() function in InlineTextBox.cpp). |
| // But the selection range actually takes effect. |
| inputMethodController.setComposition(String(text), |
| CompositionUnderlineVectorBuilder(underlines), |
| selectionStart, selectionEnd); |
| |
| return text.isEmpty() || inputMethodController.hasComposition(); |
| } |
| |
| bool WebViewImpl::confirmComposition() |
| { |
| return confirmComposition(DoNotKeepSelection); |
| } |
| |
| bool WebViewImpl::confirmComposition(ConfirmCompositionBehavior selectionBehavior) |
| { |
| return confirmComposition(WebString(), selectionBehavior); |
| } |
| |
| bool WebViewImpl::confirmComposition(const WebString& text) |
| { |
| return confirmComposition(text, DoNotKeepSelection); |
| } |
| |
| bool WebViewImpl::confirmComposition(const WebString& text, ConfirmCompositionBehavior selectionBehavior) |
| { |
| LocalFrame* focused = toLocalFrame(focusedCoreFrame()); |
| if (!focused || !m_imeAcceptEvents) |
| return false; |
| |
| if (WebPlugin* plugin = focusedPluginIfInputMethodSupported(focused)) |
| return plugin->confirmComposition(text, selectionBehavior); |
| |
| return focused->inputMethodController().confirmCompositionOrInsertText(text, selectionBehavior == KeepSelection ? InputMethodController::KeepSelection : InputMethodController::DoNotKeepSelection); |
| } |
| |
| bool WebViewImpl::compositionRange(size_t* location, size_t* length) |
| { |
| // FIXME: Long term, the focused frame should be a local frame. For now, |
| // return early to avoid crashes. |
| Frame* frame = focusedCoreFrame(); |
| if (!frame || frame->isRemoteFrame()) |
| return false; |
| |
| LocalFrame* focused = toLocalFrame(frame); |
| if (!focused || !m_imeAcceptEvents) |
| return false; |
| |
| const EphemeralRange range = focused->inputMethodController().compositionEphemeralRange(); |
| if (range.isNull()) |
| return false; |
| |
| Element* editable = focused->selection().rootEditableElementOrDocumentElement(); |
| ASSERT(editable); |
| PlainTextRange plainTextRange(PlainTextRange::create(*editable, range)); |
| if (plainTextRange.isNull()) |
| return false; |
| *location = plainTextRange.start(); |
| *length = plainTextRange.length(); |
| return true; |
| } |
| |
| WebTextInputInfo WebViewImpl::textInputInfo() |
| { |
| WebTextInputInfo info; |
| |
| Frame* focusedFrame = focusedCoreFrame(); |
| if (!focusedFrame->isLocalFrame()) |
| return info; |
| |
| LocalFrame* focused = toLocalFrame(focusedFrame); |
| if (!focused) |
| return info; |
| |
| FrameSelection& selection = focused->selection(); |
| Element* element = selection.selection().rootEditableElement(); |
| if (!element) |
| return info; |
| |
| info.inputMode = inputModeOfFocusedElement(); |
| |
| info.type = textInputType(); |
| info.flags = textInputFlags(); |
| if (info.type == WebTextInputTypeNone) |
| return info; |
| |
| if (!focused->editor().canEdit()) |
| return info; |
| |
| // Emits an object replacement character for each replaced element so that |
| // it is exposed to IME and thus could be deleted by IME on android. |
| info.value = plainText(EphemeralRange::rangeOfContents(*element), TextIteratorEmitsObjectReplacementCharacter); |
| |
| if (info.value.isEmpty()) |
| return info; |
| |
| EphemeralRange firstRange = firstEphemeralRangeOf(selection.selection()); |
| if (firstRange.isNotNull()) { |
| PlainTextRange plainTextRange(PlainTextRange::create(*element, firstRange)); |
| if (plainTextRange.isNotNull()) { |
| info.selectionStart = plainTextRange.start(); |
| info.selectionEnd = plainTextRange.end(); |
| } |
| } |
| |
| EphemeralRange range = focused->inputMethodController().compositionEphemeralRange(); |
| if (range.isNotNull()) { |
| PlainTextRange plainTextRange(PlainTextRange::create(*element, range)); |
| if (plainTextRange.isNotNull()) { |
| info.compositionStart = plainTextRange.start(); |
| info.compositionEnd = plainTextRange.end(); |
| } |
| } |
| |
| return info; |
| } |
| |
| WebTextInputType WebViewImpl::textInputType() |
| { |
| LocalFrame* focusedFrame = m_page->focusController().focusedFrame(); |
| if (!focusedFrame) |
| return WebTextInputTypeNone; |
| |
| // It's important to preserve the equivalence of textInputInfo().type and textInputType(), |
| // so perform the same rootEditableElement() existence check here for consistency. |
| if (!focusedFrame || !focusedFrame->selection().selection().rootEditableElement()) |
| return WebTextInputTypeNone; |
| |
| Document* document = focusedFrame->document(); |
| if (!document) |
| return WebTextInputTypeNone; |
| |
| Element* element = document->focusedElement(); |
| if (!element) |
| return WebTextInputTypeNone; |
| |
| if (isHTMLInputElement(*element)) { |
| HTMLInputElement& input = toHTMLInputElement(*element); |
| const AtomicString& type = input.type(); |
| |
| if (input.isDisabledOrReadOnly()) |
| return WebTextInputTypeNone; |
| |
| if (type == InputTypeNames::password) |
| return WebTextInputTypePassword; |
| if (type == InputTypeNames::search) |
| return WebTextInputTypeSearch; |
| if (type == InputTypeNames::email) |
| return WebTextInputTypeEmail; |
| if (type == InputTypeNames::number) |
| return WebTextInputTypeNumber; |
| if (type == InputTypeNames::tel) |
| return WebTextInputTypeTelephone; |
| if (type == InputTypeNames::url) |
| return WebTextInputTypeURL; |
| if (type == InputTypeNames::date) |
| return WebTextInputTypeDate; |
| if (type == InputTypeNames::datetime_local) |
| return WebTextInputTypeDateTimeLocal; |
| if (type == InputTypeNames::month) |
| return WebTextInputTypeMonth; |
| if (type == InputTypeNames::time) |
| return WebTextInputTypeTime; |
| if (type == InputTypeNames::week) |
| return WebTextInputTypeWeek; |
| if (type == InputTypeNames::text) |
| return WebTextInputTypeText; |
| |
| return WebTextInputTypeNone; |
| } |
| |
| if (isHTMLTextAreaElement(*element)) { |
| if (toHTMLTextAreaElement(*element).isDisabledOrReadOnly()) |
| return WebTextInputTypeNone; |
| return WebTextInputTypeTextArea; |
| } |
| |
| #if ENABLE(INPUT_MULTIPLE_FIELDS_UI) |
| if (element->isHTMLElement()) { |
| if (toHTMLElement(element)->isDateTimeFieldElement()) |
| return WebTextInputTypeDateTimeField; |
| } |
| #endif |
| |
| if (element->isContentEditable(Node::UserSelectAllIsAlwaysNonEditable)) |
| return WebTextInputTypeContentEditable; |
| |
| return WebTextInputTypeNone; |
| } |
| |
| int WebViewImpl::textInputFlags() |
| { |
| Element* element = focusedElement(); |
| if (!element) |
| return WebTextInputFlagNone; |
| |
| DEFINE_STATIC_LOCAL(AtomicString, autocompleteString, ("autocomplete", AtomicString::ConstructFromLiteral)); |
| DEFINE_STATIC_LOCAL(AtomicString, autocorrectString, ("autocorrect", AtomicString::ConstructFromLiteral)); |
| int flags = 0; |
| |
| const AtomicString& autocomplete = element->getAttribute(autocompleteString); |
| if (autocomplete == "on") |
| flags |= WebTextInputFlagAutocompleteOn; |
| else if (autocomplete == "off") |
| flags |= WebTextInputFlagAutocompleteOff; |
| |
| const AtomicString& autocorrect = element->getAttribute(autocorrectString); |
| if (autocorrect == "on") |
| flags |= WebTextInputFlagAutocorrectOn; |
| else if (autocorrect == "off") |
| flags |= WebTextInputFlagAutocorrectOff; |
| |
| SpellcheckAttributeState spellcheck = element->spellcheckAttributeState(); |
| if (spellcheck == SpellcheckAttributeTrue) |
| flags |= WebTextInputFlagSpellcheckOn; |
| else if (spellcheck == SpellcheckAttributeFalse) |
| flags |= WebTextInputFlagSpellcheckOff; |
| |
| if (isHTMLTextFormControlElement(element)) { |
| HTMLTextFormControlElement* formElement = static_cast<HTMLTextFormControlElement*>(element); |
| if (formElement->supportsAutocapitalize()) { |
| DEFINE_STATIC_LOCAL(const AtomicString, none, ("none", AtomicString::ConstructFromLiteral)); |
| DEFINE_STATIC_LOCAL(const AtomicString, characters, ("characters", AtomicString::ConstructFromLiteral)); |
| DEFINE_STATIC_LOCAL(const AtomicString, words, ("words", AtomicString::ConstructFromLiteral)); |
| DEFINE_STATIC_LOCAL(const AtomicString, sentences, ("sentences", AtomicString::ConstructFromLiteral)); |
| |
| const AtomicString& autocapitalize = formElement->autocapitalize(); |
| if (autocapitalize == none) |
| flags |= WebTextInputFlagAutocapitalizeNone; |
| else if (autocapitalize == characters) |
| flags |= WebTextInputFlagAutocapitalizeCharacters; |
| else if (autocapitalize == words) |
| flags |= WebTextInputFlagAutocapitalizeWords; |
| else if (autocapitalize == sentences) |
| flags |= WebTextInputFlagAutocapitalizeSentences; |
| else |
| ASSERT_NOT_REACHED(); |
| } |
| } |
| |
| return flags; |
| } |
| |
| WebString WebViewImpl::inputModeOfFocusedElement() |
| { |
| if (!RuntimeEnabledFeatures::inputModeAttributeEnabled()) |
| return WebString(); |
| |
| Element* element = focusedElement(); |
| if (!element) |
| return WebString(); |
| |
| if (isHTMLInputElement(*element)) { |
| const HTMLInputElement& input = toHTMLInputElement(*element); |
| if (input.supportsInputModeAttribute()) |
| return input.fastGetAttribute(HTMLNames::inputmodeAttr).lower(); |
| return WebString(); |
| } |
| if (isHTMLTextAreaElement(*element)) { |
| const HTMLTextAreaElement& textarea = toHTMLTextAreaElement(*element); |
| return textarea.fastGetAttribute(HTMLNames::inputmodeAttr).lower(); |
| } |
| |
| return WebString(); |
| } |
| |
| bool WebViewImpl::selectionBounds(WebRect& anchor, WebRect& focus) const |
| { |
| const Frame* frame = focusedCoreFrame(); |
| if (!frame || !frame->isLocalFrame()) |
| return false; |
| |
| const LocalFrame* localFrame = toLocalFrame(frame); |
| if (!localFrame) |
| return false; |
| FrameSelection& selection = localFrame->selection(); |
| |
| if (selection.isCaret()) { |
| anchor = focus = selection.absoluteCaretBounds(); |
| } else { |
| const EphemeralRange selectedRange = selection.selection().toNormalizedEphemeralRange(); |
| if (selectedRange.isNull()) |
| return false; |
| anchor = localFrame->editor().firstRectForRange(EphemeralRange(selectedRange.startPosition())); |
| focus = localFrame->editor().firstRectForRange(EphemeralRange(selectedRange.endPosition())); |
| } |
| |
| anchor = localFrame->view()->contentsToViewport(anchor); |
| focus = localFrame->view()->contentsToViewport(focus); |
| |
| if (!selection.selection().isBaseFirst()) |
| std::swap(anchor, focus); |
| return true; |
| } |
| |
| WebPlugin* WebViewImpl::focusedPluginIfInputMethodSupported(LocalFrame* frame) |
| { |
| WebPluginContainerImpl* container = WebLocalFrameImpl::pluginContainerFromNode(frame, WebNode(focusedElement())); |
| if (container && container->supportsInputMethod()) |
| return container->plugin(); |
| return nullptr; |
| } |
| |
| bool WebViewImpl::selectionTextDirection(WebTextDirection& start, WebTextDirection& end) const |
| { |
| const Frame* frame = focusedCoreFrame(); |
| if (!frame || frame->isRemoteFrame()) |
| return false; |
| FrameSelection& selection = toLocalFrame(frame)->selection(); |
| if (selection.selection().toNormalizedEphemeralRange().isNull()) |
| return false; |
| start = toWebTextDirection(primaryDirectionOf(*selection.start().anchorNode())); |
| end = toWebTextDirection(primaryDirectionOf(*selection.end().anchorNode())); |
| return true; |
| } |
| |
| bool WebViewImpl::isSelectionAnchorFirst() const |
| { |
| const Frame* frame = focusedCoreFrame(); |
| if (!frame || frame->isRemoteFrame()) |
| return false; |
| return toLocalFrame(frame)->selection().selection().isBaseFirst(); |
| } |
| |
| WebColor WebViewImpl::backgroundColor() const |
| { |
| if (isTransparent()) |
| return Color::transparent; |
| if (!m_page) |
| return m_baseBackgroundColor; |
| if (!m_page->mainFrame()) |
| return m_baseBackgroundColor; |
| if (!m_page->mainFrame()->isLocalFrame()) |
| return m_baseBackgroundColor; |
| FrameView* view = m_page->deprecatedLocalMainFrame()->view(); |
| return view->documentBackgroundColor().rgb(); |
| } |
| |
| WebPagePopup* WebViewImpl::pagePopup() const |
| { |
| return m_pagePopup.get(); |
| } |
| |
| bool WebViewImpl::caretOrSelectionRange(size_t* location, size_t* length) |
| { |
| const LocalFrame* focused = toLocalFrame(focusedCoreFrame()); |
| if (!focused) |
| return false; |
| |
| PlainTextRange selectionOffsets = focused->inputMethodController().getSelectionOffsets(); |
| if (selectionOffsets.isNull()) |
| return false; |
| |
| *location = selectionOffsets.start(); |
| *length = selectionOffsets.length(); |
| return true; |
| } |
| |
| void WebViewImpl::setTextDirection(WebTextDirection direction) |
| { |
| // The Editor::setBaseWritingDirection() function checks if we can change |
| // the text direction of the selected node and updates its DOM "dir" |
| // attribute and its CSS "direction" property. |
| // So, we just call the function as Safari does. |
| const LocalFrame* focused = toLocalFrame(focusedCoreFrame()); |
| if (!focused) |
| return; |
| |
| Editor& editor = focused->editor(); |
| if (!editor.canEdit()) |
| return; |
| |
| switch (direction) { |
| case WebTextDirectionDefault: |
| editor.setBaseWritingDirection(NaturalWritingDirection); |
| break; |
| |
| case WebTextDirectionLeftToRight: |
| editor.setBaseWritingDirection(LeftToRightWritingDirection); |
| break; |
| |
| case WebTextDirectionRightToLeft: |
| editor.setBaseWritingDirection(RightToLeftWritingDirection); |
| break; |
| |
| default: |
| notImplemented(); |
| break; |
| } |
| } |
| |
| bool WebViewImpl::isAcceleratedCompositingActive() const |
| { |
| // For SPv2, accelerated compositing is managed by the |
| // PaintArtifactCompositor. |
| if (RuntimeEnabledFeatures::slimmingPaintV2Enabled()) |
| return m_paintArtifactCompositor.rootLayer(); |
| |
| return m_rootLayer; |
| } |
| |
| void WebViewImpl::willCloseLayerTreeView() |
| { |
| if (m_linkHighlightsTimeline) { |
| m_linkHighlights.clear(); |
| detachCompositorAnimationTimeline(m_linkHighlightsTimeline.get()); |
| m_linkHighlightsTimeline.clear(); |
| } |
| |
| if (m_layerTreeView) |
| page()->willCloseLayerTreeView(*m_layerTreeView); |
| |
| if (RuntimeEnabledFeatures::slimmingPaintV2Enabled()) |
| detachPaintArtifactCompositor(); |
| else |
| setRootGraphicsLayer(nullptr); |
| |
| m_layerTreeView = nullptr; |
| } |
| |
| void WebViewImpl::didAcquirePointerLock() |
| { |
| if (page()) |
| page()->pointerLockController().didAcquirePointerLock(); |
| } |
| |
| void WebViewImpl::didNotAcquirePointerLock() |
| { |
| if (page()) |
| page()->pointerLockController().didNotAcquirePointerLock(); |
| } |
| |
| void WebViewImpl::didLosePointerLock() |
| { |
| m_pointerLockGestureToken.clear(); |
| if (page()) |
| page()->pointerLockController().didLosePointerLock(); |
| } |
| |
| void WebViewImpl::didChangeWindowResizerRect() |
| { |
| if (mainFrameImpl()->frameView()) |
| mainFrameImpl()->frameView()->windowResizerRectChanged(); |
| } |
| |
| // WebView -------------------------------------------------------------------- |
| |
| WebSettingsImpl* WebViewImpl::settingsImpl() |
| { |
| if (!m_webSettings) |
| m_webSettings = adoptPtr(new WebSettingsImpl(&m_page->settings(), m_devToolsEmulator.get())); |
| ASSERT(m_webSettings); |
| return m_webSettings.get(); |
| } |
| |
| WebSettings* WebViewImpl::settings() |
| { |
| return settingsImpl(); |
| } |
| |
| WebString WebViewImpl::pageEncoding() const |
| { |
| if (!m_page) |
| return WebString(); |
| |
| if (!m_page->mainFrame()->isLocalFrame()) |
| return WebString(); |
| |
| // FIXME: Is this check needed? |
| if (!m_page->deprecatedLocalMainFrame()->document()->loader()) |
| return WebString(); |
| |
| return m_page->deprecatedLocalMainFrame()->document()->encodingName(); |
| } |
| |
| void WebViewImpl::setPageEncoding(const WebString& encodingName) |
| { |
| if (!m_page) |
| return; |
| |
| // Only change override encoding, don't change default encoding. |
| // Note that the new encoding must be 0 if it isn't supposed to be set. |
| AtomicString newEncodingName; |
| if (!encodingName.isEmpty()) |
| newEncodingName = encodingName; |
| m_page->frameHost().setOverrideEncoding(newEncodingName); |
| |
| if (m_page->mainFrame()->isLocalFrame()) { |
| if (!m_page->deprecatedLocalMainFrame()->loader().currentItem()) |
| return; |
| FrameLoadRequest request = FrameLoadRequest( |
| nullptr, |
| m_page->deprecatedLocalMainFrame()->loader().resourceRequestForReload( |
| FrameLoadTypeReload, KURL(), ClientRedirect)); |
| request.setClientRedirect(ClientRedirect); |
| m_page->deprecatedLocalMainFrame()->loader().load(request, FrameLoadTypeReload); |
| } |
| } |
| |
| WebFrame* WebViewImpl::mainFrame() |
| { |
| return WebFrame::fromFrame(m_page ? m_page->mainFrame() : nullptr); |
| } |
| |
| WebFrame* WebViewImpl::findFrameByName( |
| const WebString& name, WebFrame* relativeToFrame) |
| { |
| // FIXME: Either this should only deal with WebLocalFrames or it should move to WebFrame. |
| if (!relativeToFrame) |
| relativeToFrame = mainFrame(); |
| Frame* frame = toWebLocalFrameImpl(relativeToFrame)->frame(); |
| frame = frame->tree().find(name); |
| if (!frame || !frame->isLocalFrame()) |
| return nullptr; |
| return WebLocalFrameImpl::fromFrame(toLocalFrame(frame)); |
| } |
| |
| WebFrame* WebViewImpl::focusedFrame() |
| { |
| return WebFrame::fromFrame(focusedCoreFrame()); |
| } |
| |
| void WebViewImpl::setFocusedFrame(WebFrame* frame) |
| { |
| if (!frame) { |
| // Clears the focused frame if any. |
| Frame* focusedFrame = focusedCoreFrame(); |
| if (focusedFrame && focusedFrame->isLocalFrame()) |
| toLocalFrame(focusedFrame)->selection().setFocused(false); |
| return; |
| } |
| LocalFrame* coreFrame = toWebLocalFrameImpl(frame)->frame(); |
| coreFrame->page()->focusController().setFocusedFrame(coreFrame); |
| } |
| |
| void WebViewImpl::focusDocumentView(WebFrame* frame) |
| { |
| // This is currently only used when replicating focus changes for |
| // cross-process frames, and |notifyEmbedder| is disabled to avoid sending |
| // duplicate frameFocused updates from FocusController to the browser |
| // process, which already knows the latest focused frame. |
| page()->focusController().focusDocumentView(frame->toImplBase()->frame(), false /* notifyEmbedder */); |
| } |
| |
| void WebViewImpl::setInitialFocus(bool reverse) |
| { |
| if (!m_page) |
| return; |
| Frame* frame = page()->focusController().focusedOrMainFrame(); |
| if (frame->isLocalFrame()) { |
| if (Document* document = toLocalFrame(frame)->document()) |
| document->clearFocusedElement(); |
| } |
| page()->focusController().setInitialFocus(reverse ? WebFocusTypeBackward : WebFocusTypeForward); |
| } |
| |
| void WebViewImpl::clearFocusedElement() |
| { |
| RefPtrWillBeRawPtr<Frame> frame = focusedCoreFrame(); |
| if (!frame || !frame->isLocalFrame()) |
| return; |
| |
| LocalFrame* localFrame = toLocalFrame(frame.get()); |
| |
| RefPtrWillBeRawPtr<Document> document = localFrame->document(); |
| if (!document) |
| return; |
| |
| RefPtrWillBeRawPtr<Element> oldFocusedElement = document->focusedElement(); |
| document->clearFocusedElement(); |
| if (!oldFocusedElement) |
| return; |
| |
| // If a text field has focus, we need to make sure the selection controller |
| // knows to remove selection from it. Otherwise, the text field is still |
| // processing keyboard events even though focus has been moved to the page and |
| // keystrokes get eaten as a result. |
| if (oldFocusedElement->isContentEditable() || oldFocusedElement->isTextFormControl()) |
| localFrame->selection().clear(); |
| } |
| |
| bool WebViewImpl::scrollFocusedNodeIntoRect(const WebRect& rectInViewport) |
| { |
| LocalFrame* frame = page()->mainFrame() && page()->mainFrame()->isLocalFrame() |
| ? page()->deprecatedLocalMainFrame() : nullptr; |
| Element* element = focusedElement(); |
| if (!frame || !frame->view() || !element) |
| return false; |
| |
| element->document().updateLayoutIgnorePendingStylesheets(); |
| |
| bool zoomInToLegibleScale = m_webSettings->autoZoomFocusedNodeToLegibleScale() |
| && !page()->frameHost().visualViewport().shouldDisableDesktopWorkarounds(); |
| |
| if (zoomInToLegibleScale) { |
| // When deciding whether to zoom in on a focused text box, we should decide not to |
| // zoom in if the user won't be able to zoom out. e.g if the textbox is within a |
| // touch-action: none container the user can't zoom back out. |
| TouchAction action = TouchActionUtil::computeEffectiveTouchAction(*element); |
| if (!(action & TouchActionPinchZoom)) |
| zoomInToLegibleScale = false; |
| } |
| |
| float scale; |
| IntPoint scroll; |
| bool needAnimation; |
| computeScaleAndScrollForFocusedNode(element, zoomInToLegibleScale, scale, scroll, needAnimation); |
| if (needAnimation) |
| return startPageScaleAnimation(scroll, false, scale, scrollAndScaleAnimationDurationInSeconds); |
| |
| return false; |
| } |
| |
| void WebViewImpl::smoothScroll(int targetX, int targetY, long durationMs) |
| { |
| IntPoint targetPosition(targetX, targetY); |
| startPageScaleAnimation(targetPosition, false, pageScaleFactor(), (double)durationMs / 1000); |
| } |
| |
| void WebViewImpl::computeScaleAndScrollForFocusedNode(Node* focusedNode, bool zoomInToLegibleScale, float& newScale, IntPoint& newScroll, bool& needAnimation) |
| { |
| VisualViewport& visualViewport = page()->frameHost().visualViewport(); |
| |
| WebRect caretInViewport, unusedEnd; |
| selectionBounds(caretInViewport, unusedEnd); |
| |
| // 'caretInDocument' is rect encompassing the blinking cursor relative to the root document. |
| IntRect caretInDocument = mainFrameImpl()->frameView()->frameToContents(visualViewport.viewportToRootFrame(caretInViewport)); |
| IntRect textboxRectInDocument = mainFrameImpl()->frameView()->frameToContents( |
| focusedNode->document().view()->contentsToRootFrame(pixelSnappedIntRect(focusedNode->Node::boundingBox()))); |
| |
| if (!zoomInToLegibleScale) { |
| newScale = pageScaleFactor(); |
| } else { |
| // Pick a scale which is reasonably readable. This is the scale at which |
| // the caret height will become minReadableCaretHeightForNode (adjusted |
| // for dpi and font scale factor). |
| const int minReadableCaretHeightForNode = textboxRectInDocument.height() >= 2 * caretInDocument.height() ? minReadableCaretHeightForTextArea : minReadableCaretHeight; |
| newScale = clampPageScaleFactorToLimits(maximumLegiblePageScale() * minReadableCaretHeightForNode / caretInDocument.height()); |
| newScale = std::max(newScale, pageScaleFactor()); |
| } |
| const float deltaScale = newScale / pageScaleFactor(); |
| |
| needAnimation = false; |
| |
| // If we are at less than the target zoom level, zoom in. |
| if (deltaScale > minScaleChangeToTriggerZoom) |
| needAnimation = true; |
| else |
| newScale = pageScaleFactor(); |
| |
| // If the caret is offscreen, then animate. |
| if (!visualViewport.visibleRectInDocument().contains(caretInDocument)) |
| needAnimation = true; |
| |
| // If the box is partially offscreen and it's possible to bring it fully |
| // onscreen, then animate. |
| if (visualViewport.visibleRect().width() >= textboxRectInDocument.width() |
| && visualViewport.visibleRect().height() >= textboxRectInDocument.height() |
| && !visualViewport.visibleRectInDocument().contains(textboxRectInDocument)) |
| needAnimation = true; |
| |
| if (!needAnimation) |
| return; |
| |
| FloatSize targetViewportSize(visualViewport.size()); |
| targetViewportSize.scale(1 / newScale); |
| |
| if (textboxRectInDocument.width() <= targetViewportSize.width()) { |
| // Field is narrower than screen. Try to leave padding on left so field's |
| // label is visible, but it's more important to ensure entire field is |
| // onscreen. |
| int idealLeftPadding = targetViewportSize.width() * leftBoxRatio; |
| int maxLeftPaddingKeepingBoxOnscreen = targetViewportSize.width() - textboxRectInDocument.width(); |
| newScroll.setX(textboxRectInDocument.x() - std::min<int>(idealLeftPadding, maxLeftPaddingKeepingBoxOnscreen)); |
| } else { |
| // Field is wider than screen. Try to left-align field, unless caret would |
| // be offscreen, in which case right-align the caret. |
| newScroll.setX(std::max<int>(textboxRectInDocument.x(), caretInDocument.x() + caretInDocument.width() + caretPadding - targetViewportSize.width())); |
| } |
| if (textboxRectInDocument.height() <= targetViewportSize.height()) { |
| // Field is shorter than screen. Vertically center it. |
| newScroll.setY(textboxRectInDocument.y() - (targetViewportSize.height() - textboxRectInDocument.height()) / 2); |
| } else { |
| // Field is taller than screen. Try to top align field, unless caret would |
| // be offscreen, in which case bottom-align the caret. |
| newScroll.setY(std::max<int>(textboxRectInDocument.y(), caretInDocument.y() + caretInDocument.height() + caretPadding - targetViewportSize.height())); |
| } |
| } |
| |
| void WebViewImpl::advanceFocus(bool reverse) |
| { |
| page()->focusController().advanceFocus(reverse ? WebFocusTypeBackward : WebFocusTypeForward); |
| } |
| |
| void WebViewImpl::advanceFocusAcrossFrames(WebFocusType type, WebRemoteFrame* from, WebLocalFrame* to) |
| { |
| // TODO(alexmos): Pass in proper with sourceCapabilities. |
| page()->focusController().advanceFocusAcrossFrames( |
| type, toWebRemoteFrameImpl(from)->frame(), toWebLocalFrameImpl(to)->frame()); |
| } |
| |
| double WebViewImpl::zoomLevel() |
| { |
| return m_zoomLevel; |
| } |
| |
| double WebViewImpl::setZoomLevel(double zoomLevel) |
| { |
| if (zoomLevel < m_minimumZoomLevel) |
| m_zoomLevel = m_minimumZoomLevel; |
| else if (zoomLevel > m_maximumZoomLevel) |
| m_zoomLevel = m_maximumZoomLevel; |
| else |
| m_zoomLevel = zoomLevel; |
| |
| // TODO(nasko): Setting zoom level needs to be refactored to support |
| // out-of-process iframes. See https://crbug.com/528407. |
| if (mainFrame()->isWebRemoteFrame()) |
| return m_zoomLevel; |
| |
| LocalFrame* frame = mainFrameImpl()->frame(); |
| if (!WebLocalFrameImpl::pluginContainerFromFrame(frame)) { |
| float zoomFactor = m_zoomFactorOverride ? m_zoomFactorOverride : static_cast<float>(zoomLevelToZoomFactor(m_zoomLevel)); |
| zoomFactor *= m_zoomFactorForDeviceScaleFactor; |
| frame->setPageZoomFactor(zoomFactor); |
| } |
| |
| return m_zoomLevel; |
| } |
| |
| void WebViewImpl::zoomLimitsChanged(double minimumZoomLevel, |
| double maximumZoomLevel) |
| { |
| m_minimumZoomLevel = minimumZoomLevel; |
| m_maximumZoomLevel = maximumZoomLevel; |
| m_client->zoomLimitsChanged(m_minimumZoomLevel, m_maximumZoomLevel); |
| } |
| |
| float WebViewImpl::textZoomFactor() |
| { |
| return mainFrameImpl()->frame()->textZoomFactor(); |
| } |
| |
| float WebViewImpl::setTextZoomFactor(float textZoomFactor) |
| { |
| LocalFrame* frame = mainFrameImpl()->frame(); |
| if (WebLocalFrameImpl::pluginContainerFromFrame(frame)) |
| return 1; |
| |
| frame->setTextZoomFactor(textZoomFactor); |
| |
| return textZoomFactor; |
| } |
| |
| double WebView::zoomLevelToZoomFactor(double zoomLevel) |
| { |
| return pow(textSizeMultiplierRatio, zoomLevel); |
| } |
| |
| double WebView::zoomFactorToZoomLevel(double factor) |
| { |
| // Since factor = 1.2^level, level = log(factor) / log(1.2) |
| return log(factor) / log(textSizeMultiplierRatio); |
| } |
| |
| float WebViewImpl::pageScaleFactor() const |
| { |
| if (!page()) |
| return 1; |
| |
| return page()->frameHost().visualViewport().scale(); |
| } |
| |
| float WebViewImpl::clampPageScaleFactorToLimits(float scaleFactor) const |
| { |
| return pageScaleConstraintsSet().finalConstraints().clampToConstraints(scaleFactor); |
| } |
| |
| void WebViewImpl::setVisualViewportOffset(const WebFloatPoint& offset) |
| { |
| ASSERT(page()); |
| page()->frameHost().visualViewport().setLocation(offset); |
| } |
| |
| WebFloatPoint WebViewImpl::visualViewportOffset() const |
| { |
| ASSERT(page()); |
| return page()->frameHost().visualViewport().visibleRect().location(); |
| } |
| |
| WebFloatSize WebViewImpl::visualViewportSize() const |
| { |
| ASSERT(page()); |
| return page()->frameHost().visualViewport().visibleRect().size(); |
| } |
| |
| void WebViewImpl::scrollAndRescaleViewports(float scaleFactor, |
| const IntPoint& mainFrameOrigin, |
| const FloatPoint& visualViewportOrigin) |
| { |
| if (!page()) |
| return; |
| |
| if (!mainFrameImpl()) |
| return; |
| |
| FrameView * view = mainFrameImpl()->frameView(); |
| if (!view) |
| return; |
| |
| // Order is important: visual viewport location is clamped based on |
| // main frame scroll position and visual viewport scale. |
| |
| view->setScrollPosition(mainFrameOrigin, ProgrammaticScroll); |
| |
| setPageScaleFactor(scaleFactor); |
| |
| page()->frameHost().visualViewport().setLocation(visualViewportOrigin); |
| } |
| |
| void WebViewImpl::setPageScaleFactorAndLocation(float scaleFactor, const FloatPoint& location) |
| { |
| ASSERT(page()); |
| |
| page()->frameHost().visualViewport().setScaleAndLocation( |
| clampPageScaleFactorToLimits(scaleFactor), |
| location); |
| } |
| |
| void WebViewImpl::setPageScaleFactor(float scaleFactor) |
| { |
| ASSERT(page()); |
| |
| scaleFactor = clampPageScaleFactorToLimits(scaleFactor); |
| if (scaleFactor == pageScaleFactor()) |
| return; |
| |
| page()->frameHost().visualViewport().setScale(scaleFactor); |
| } |
| |
| void WebViewImpl::setDeviceScaleFactor(float scaleFactor) |
| { |
| if (!page()) |
| return; |
| |
| page()->setDeviceScaleFactor(scaleFactor); |
| |
| if (m_layerTreeView) |
| updateLayerTreeDeviceScaleFactor(); |
| } |
| |
| void WebViewImpl::setZoomFactorForDeviceScaleFactor(float zoomFactorForDeviceScaleFactor) |
| { |
| m_zoomFactorForDeviceScaleFactor = zoomFactorForDeviceScaleFactor; |
| if (!m_layerTreeView) |
| return; |
| setZoomLevel(m_zoomLevel); |
| } |
| |
| void WebViewImpl::setDeviceColorProfile(const WebVector<char>& colorProfile) |
| { |
| if (!page()) |
| return; |
| |
| Vector<char> deviceProfile; |
| deviceProfile.append(colorProfile.data(), colorProfile.size()); |
| |
| page()->setDeviceColorProfile(deviceProfile); |
| } |
| |
| void WebViewImpl::resetDeviceColorProfileForTesting() |
| { |
| if (!page()) |
| return; |
| |
| page()->resetDeviceColorProfileForTesting(); |
| } |
| |
| void WebViewImpl::enableAutoResizeMode(const WebSize& minSize, const WebSize& maxSize) |
| { |
| m_shouldAutoResize = true; |
| m_minAutoSize = minSize; |
| m_maxAutoSize = maxSize; |
| configureAutoResizeMode(); |
| } |
| |
| void WebViewImpl::disableAutoResizeMode() |
| { |
| m_shouldAutoResize = false; |
| configureAutoResizeMode(); |
| } |
| |
| void WebViewImpl::setDefaultPageScaleLimits(float minScale, float maxScale) |
| { |
| return page()->frameHost().setDefaultPageScaleLimits(minScale, maxScale); |
| } |
| |
| void WebViewImpl::setInitialPageScaleOverride(float initialPageScaleFactorOverride) |
| { |
| PageScaleConstraints constraints = pageScaleConstraintsSet().userAgentConstraints(); |
| constraints.initialScale = initialPageScaleFactorOverride; |
| |
| if (constraints == pageScaleConstraintsSet().userAgentConstraints()) |
| return; |
| |
| pageScaleConstraintsSet().setNeedsReset(true); |
| page()->frameHost().setUserAgentPageScaleConstraints(constraints); |
| } |
| |
| void WebViewImpl::setMaximumLegibleScale(float maximumLegibleScale) |
| { |
| m_maximumLegibleScale = maximumLegibleScale; |
| } |
| |
| void WebViewImpl::setIgnoreViewportTagScaleLimits(bool ignore) |
| { |
| PageScaleConstraints constraints = pageScaleConstraintsSet().userAgentConstraints(); |
| if (ignore) { |
| constraints.minimumScale = pageScaleConstraintsSet().defaultConstraints().minimumScale; |
| constraints.maximumScale = pageScaleConstraintsSet().defaultConstraints().maximumScale; |
| } else { |
| constraints.minimumScale = -1; |
| constraints.maximumScale = -1; |
| } |
| page()->frameHost().setUserAgentPageScaleConstraints(constraints); |
| } |
| |
| IntSize WebViewImpl::mainFrameSize() |
| { |
| // The frame size should match the viewport size at minimum scale, since the |
| // viewport must always be contained by the frame. |
| FloatSize frameSize(m_size); |
| frameSize.scale(1 / minimumPageScaleFactor()); |
| return expandedIntSize(frameSize); |
| } |
| |
| PageScaleConstraintsSet& WebViewImpl::pageScaleConstraintsSet() const |
| { |
| return page()->frameHost().pageScaleConstraintsSet(); |
| } |
| |
| void WebViewImpl::refreshPageScaleFactorAfterLayout() |
| { |
| if (!mainFrame() || !page() || !page()->mainFrame() || !page()->mainFrame()->isLocalFrame() || !page()->deprecatedLocalMainFrame()->view()) |
| return; |
| FrameView* view = page()->deprecatedLocalMainFrame()->view(); |
| |
| updatePageDefinedViewportConstraints(mainFrameImpl()->frame()->document()->viewportDescription()); |
| pageScaleConstraintsSet().computeFinalConstraints(); |
| |
| int verticalScrollbarWidth = 0; |
| if (view->verticalScrollbar() && !view->verticalScrollbar()->isOverlayScrollbar()) |
| verticalScrollbarWidth = view->verticalScrollbar()->width(); |
| pageScaleConstraintsSet().adjustFinalConstraintsToContentsSize(contentsSize(), verticalScrollbarWidth, settings()->shrinksViewportContentToFit()); |
| |
| float newPageScaleFactor = pageScaleFactor(); |
| if (pageScaleConstraintsSet().needsReset() && pageScaleConstraintsSet().finalConstraints().initialScale != -1) { |
| newPageScaleFactor = pageScaleConstraintsSet().finalConstraints().initialScale; |
| pageScaleConstraintsSet().setNeedsReset(false); |
| } |
| setPageScaleFactor(newPageScaleFactor); |
| |
| updateLayerTreeViewport(); |
| |
| // Changes to page-scale during layout may require an additional frame. |
| // We can't update the lifecycle here because we may be in the middle of layout in the |
| // caller of this method. |
| // TODO(chrishtr): clean all this up. All layout should happen in one lifecycle run (crbug.com/578239). |
| if (mainFrameImpl()->frameView()->needsLayout()) |
| scheduleAnimation(); |
| } |
| |
| void WebViewImpl::updatePageDefinedViewportConstraints(const ViewportDescription& description) |
| { |
| // If we're not reading the viewport meta tag, allow GPU rasterization. |
| if (!settingsImpl()->viewportMetaEnabled()) { |
| m_matchesHeuristicsForGpuRasterization = true; |
| if (m_layerTreeView) |
| m_layerTreeView->heuristicsForGpuRasterizationUpdated(m_matchesHeuristicsForGpuRasterization); |
| } |
| |
| if (!settings()->viewportEnabled() || !page() || (!m_size.width && !m_size.height) || !page()->mainFrame()->isLocalFrame()) |
| return; |
| |
| Document* document = page()->deprecatedLocalMainFrame()->document(); |
| |
| m_matchesHeuristicsForGpuRasterization = description.matchesHeuristicsForGpuRasterization(); |
| if (m_layerTreeView) |
| m_layerTreeView->heuristicsForGpuRasterizationUpdated(m_matchesHeuristicsForGpuRasterization); |
| |
| Length defaultMinWidth = document->viewportDefaultMinWidth(); |
| if (defaultMinWidth.isAuto()) |
| defaultMinWidth = Length(ExtendToZoom); |
| |
| ViewportDescription adjustedDescription = description; |
| if (settingsImpl()->viewportMetaLayoutSizeQuirk() && adjustedDescription.type == ViewportDescription::ViewportMeta) { |
| const int legacyWidthSnappingMagicNumber = 320; |
| if (adjustedDescription.maxWidth.isFixed() && adjustedDescription.maxWidth.value() <= legacyWidthSnappingMagicNumber) |
| adjustedDescription.maxWidth = Length(DeviceWidth); |
| if (adjustedDescription.maxHeight.isFixed() && adjustedDescription.maxHeight.value() <= m_size.height) |
| adjustedDescription.maxHeight = Length(DeviceHeight); |
| adjustedDescription.minWidth = adjustedDescription.maxWidth; |
| adjustedDescription.minHeight = adjustedDescription.maxHeight; |
| } |
| |
| float oldInitialScale = pageScaleConstraintsSet().pageDefinedConstraints().initialScale; |
| pageScaleConstraintsSet().updatePageDefinedConstraints(adjustedDescription, defaultMinWidth); |
| |
| if (settingsImpl()->clobberUserAgentInitialScaleQuirk() |
| && pageScaleConstraintsSet().userAgentConstraints().initialScale != -1 |
| && pageScaleConstraintsSet().userAgentConstraints().initialScale * deviceScaleFactor() <= 1) { |
| if (description.maxWidth == Length(DeviceWidth) |
| || (description.maxWidth.type() == Auto && pageScaleConstraintsSet().pageDefinedConstraints().initialScale == 1.0f)) |
| setInitialPageScaleOverride(-1); |
| } |
| |
| Settings& pageSettings = page()->settings(); |
| pageScaleConstraintsSet().adjustForAndroidWebViewQuirks( |
| adjustedDescription, |
| defaultMinWidth.intValue(), |
| deviceScaleFactor(), |
| settingsImpl()->supportDeprecatedTargetDensityDPI(), |
| pageSettings.wideViewportQuirkEnabled(), |
| pageSettings.useWideViewport(), |
| pageSettings.loadWithOverviewMode(), |
| settingsImpl()->viewportMetaNonUserScalableQuirk()); |
| float newInitialScale = pageScaleConstraintsSet().pageDefinedConstraints().initialScale; |
| if (oldInitialScale != newInitialScale && newInitialScale != -1) { |
| pageScaleConstraintsSet().setNeedsReset(true); |
| if (mainFrameImpl() && mainFrameImpl()->frameView()) |
| mainFrameImpl()->frameView()->setNeedsLayout(); |
| } |
| |
| if (LocalFrame* frame = page()->deprecatedLocalMainFrame()) { |
| if (TextAutosizer* textAutosizer = frame->document()->textAutosizer()) |
| textAutosizer->updatePageInfoInAllFrames(); |
| } |
| |
| updateMainFrameLayoutSize(); |
| } |
| |
| void WebViewImpl::updateMainFrameLayoutSize() |
| { |
| if (m_shouldAutoResize || !mainFrameImpl()) |
| return; |
| |
| RefPtrWillBeRawPtr<FrameView> view = mainFrameImpl()->frameView(); |
| if (!view) |
| return; |
| |
| WebSize layoutSize = m_size; |
| |
| if (settings()->viewportEnabled()) |
| layoutSize = pageScaleConstraintsSet().layoutSize(); |
| |
| if (page()->settings().forceZeroLayoutHeight()) |
| layoutSize.height = 0; |
| |
| view->setLayoutSize(layoutSize); |
| } |
| |
| IntSize WebViewImpl::contentsSize() const |
| { |
| if (!page()->mainFrame()->isLocalFrame()) |
| return IntSize(); |
| LayoutView* root = page()->deprecatedLocalMainFrame()->contentLayoutObject(); |
| if (!root) |
| return IntSize(); |
| return root->documentRect().size(); |
| } |
| |
| WebSize WebViewImpl::contentsPreferredMinimumSize() |
| { |
| updateAllLifecyclePhases(); |
| |
| Document* document = m_page->mainFrame()->isLocalFrame() ? m_page->deprecatedLocalMainFrame()->document() : nullptr; |
| if (!document || !document->layoutView() || !document->documentElement() || !document->documentElement()->layoutBox()) |
| return WebSize(); |
| |
| int widthScaled = document->layoutView()->minPreferredLogicalWidth().round(); // Already accounts for zoom. |
| int heightScaled = document->documentElement()->layoutBox()->scrollHeight().round(); |
| return IntSize(widthScaled, heightScaled); |
| } |
| |
| void WebViewImpl::enableViewport() |
| { |
| settings()->setViewportEnabled(true); |
| } |
| |
| void WebViewImpl::disableViewport() |
| { |
| settings()->setViewportEnabled(false); |
| pageScaleConstraintsSet().clearPageDefinedConstraints(); |
| updateMainFrameLayoutSize(); |
| } |
| |
| float WebViewImpl::defaultMinimumPageScaleFactor() const |
| { |
| return pageScaleConstraintsSet().defaultConstraints().minimumScale; |
| } |
| |
| float WebViewImpl::defaultMaximumPageScaleFactor() const |
| { |
| return pageScaleConstraintsSet().defaultConstraints().maximumScale; |
| } |
| |
| float WebViewImpl::minimumPageScaleFactor() const |
| { |
| return pageScaleConstraintsSet().finalConstraints().minimumScale; |
| } |
| |
| float WebViewImpl::maximumPageScaleFactor() const |
| { |
| return pageScaleConstraintsSet().finalConstraints().maximumScale; |
| } |
| |
| void WebViewImpl::resetScaleStateImmediately() |
| { |
| page()->frameHost().visualViewport().setScale(1); |
| pageScaleConstraintsSet().setNeedsReset(true); |
| } |
| |
| void WebViewImpl::resetScrollAndScaleState() |
| { |
| page()->frameHost().visualViewport().reset(); |
| |
| if (!page()->mainFrame()->isLocalFrame()) |
| return; |
| |
| if (FrameView* frameView = toLocalFrame(page()->mainFrame())->view()) { |
| ScrollableArea* scrollableArea = frameView->layoutViewportScrollableArea(); |
| |
| if (scrollableArea->scrollPositionDouble() != DoublePoint::zero()) |
| scrollableArea->setScrollPosition(DoublePoint::zero(), ProgrammaticScroll); |
| } |
| |
| pageScaleConstraintsSet().setNeedsReset(true); |
| } |
| |
| void WebViewImpl::performMediaPlayerAction(const WebMediaPlayerAction& action, |
| const WebPoint& location) |
| { |
| HitTestResult result = hitTestResultForViewportPos(location); |
| RefPtrWillBeRawPtr<Node> node = result.innerNode(); |
| if (!isHTMLVideoElement(*node) && !isHTMLAudioElement(*node)) |
| return; |
| |
| RefPtrWillBeRawPtr<HTMLMediaElement> mediaElement = static_pointer_cast<HTMLMediaElement>(node); |
| switch (action.type) { |
| case WebMediaPlayerAction::Play: |
| if (action.enable) |
| mediaElement->play(); |
| else |
| mediaElement->pause(); |
| break; |
| case WebMediaPlayerAction::Mute: |
| mediaElement->setMuted(action.enable); |
| break; |
| case WebMediaPlayerAction::Loop: |
| mediaElement->setLoop(action.enable); |
| break; |
| case WebMediaPlayerAction::Controls: |
| mediaElement->setBooleanAttribute(HTMLNames::controlsAttr, action.enable); |
| break; |
| default: |
| ASSERT_NOT_REACHED(); |
| } |
| } |
| |
| void WebViewImpl::performPluginAction(const WebPluginAction& action, |
| const WebPoint& location) |
| { |
| // FIXME: Location is probably in viewport coordinates |
| HitTestResult result = hitTestResultForRootFramePos(location); |
| RefPtrWillBeRawPtr<Node> node = result.innerNode(); |
| if (!isHTMLObjectElement(*node) && !isHTMLEmbedElement(*node)) |
| return; |
| |
| LayoutObject* object = node->layoutObject(); |
| if (object && object->isLayoutPart()) { |
| Widget* widget = toLayoutPart(object)->widget(); |
| if (widget && widget->isPluginContainer()) { |
| WebPluginContainerImpl* plugin = toWebPluginContainerImpl(widget); |
| switch (action.type) { |
| case WebPluginAction::Rotate90Clockwise: |
| plugin->plugin()->rotateView(WebPlugin::RotationType90Clockwise); |
| break; |
| case WebPluginAction::Rotate90Counterclockwise: |
| plugin->plugin()->rotateView(WebPlugin::RotationType90Counterclockwise); |
| break; |
| default: |
| ASSERT_NOT_REACHED(); |
| } |
| } |
| } |
| } |
| |
| WebHitTestResult WebViewImpl::hitTestResultAt(const WebPoint& point) |
| { |
| return coreHitTestResultAt(point); |
| } |
| |
| HitTestResult WebViewImpl::coreHitTestResultAt(const WebPoint& pointInViewport) |
| { |
| FrameView* view = mainFrameImpl()->frameView(); |
| IntPoint pointInRootFrame = view->contentsToFrame(view->viewportToContents(pointInViewport)); |
| return hitTestResultForRootFramePos(pointInRootFrame); |
| } |
| |
| void WebViewImpl::copyImageAt(const WebPoint& point) |
| { |
| if (!m_page) |
| return; |
| |
| HitTestResult result = hitTestResultForViewportPos(point); |
| if (!isHTMLCanvasElement(result.innerNodeOrImageMapImage()) && result.absoluteImageURL().isEmpty()) { |
| // There isn't actually an image at these coordinates. Might be because |
| // the window scrolled while the context menu was open or because the page |
| // changed itself between when we thought there was an image here and when |
| // we actually tried to retreive the image. |
| // |
| // FIXME: implement a cache of the most recent HitTestResult to avoid having |
| // to do two hit tests. |
| return; |
| } |
| |
| m_page->deprecatedLocalMainFrame()->editor().copyImage(result); |
| } |
| |
| void WebViewImpl::saveImageAt(const WebPoint& point) |
| { |
| if (!m_client) |
| return; |
| |
| Node* node = hitTestResultForViewportPos(point).innerNodeOrImageMapImage(); |
| if (!node || !(isHTMLCanvasElement(*node) || isHTMLImageElement(*node))) |
| return; |
| |
| String url = toElement(*node).imageSourceURL(); |
| if (!KURL(KURL(), url).protocolIsData()) |
| return; |
| |
| m_client->saveImageFromDataURL(url); |
| } |
| |
| void WebViewImpl::dragSourceEndedAt( |
| const WebPoint& clientPoint, |
| const WebPoint& screenPoint, |
| WebDragOperation operation) |
| { |
| PlatformMouseEvent pme(clientPoint, screenPoint, LeftButton, PlatformEvent::MouseMoved, |
| 0, PlatformEvent::NoModifiers, PlatformMouseEvent::RealOrIndistinguishable, WTF::monotonicallyIncreasingTime()); |
| m_page->deprecatedLocalMainFrame()->eventHandler().dragSourceEndedAt(pme, |
| static_cast<DragOperation>(operation)); |
| } |
| |
| void WebViewImpl::dragSourceSystemDragEnded() |
| { |
| // It's possible for us to get this callback while not doing a drag if |
| // it's from a previous page that got unloaded. |
| if (m_doingDragAndDrop) { |
| m_page->dragController().dragEnded(); |
| m_doingDragAndDrop = false; |
| } |
| } |
| |
| WebDragOperation WebViewImpl::dragTargetDragEnter( |
| const WebDragData& webDragData, |
| const WebPoint& clientPoint, |
| const WebPoint& screenPoint, |
| WebDragOperationsMask operationsAllowed, |
| int modifiers) |
| { |
| ASSERT(!m_currentDragData); |
| |
| m_currentDragData = DataObject::create(webDragData); |
| m_operationsAllowed = operationsAllowed; |
| |
| return dragTargetDragEnterOrOver(clientPoint, screenPoint, DragEnter, modifiers); |
| } |
| |
| WebDragOperation WebViewImpl::dragTargetDragOver( |
| const WebPoint& clientPoint, |
| const WebPoint& screenPoint, |
| WebDragOperationsMask operationsAllowed, |
| int modifiers) |
| { |
| m_operationsAllowed = operationsAllowed; |
| |
| return dragTargetDragEnterOrOver(clientPoint, screenPoint, DragOver, modifiers); |
| } |
| |
| void WebViewImpl::dragTargetDragLeave() |
| { |
| ASSERT(m_currentDragData); |
| |
| DragData dragData( |
| m_currentDragData.get(), |
| IntPoint(), |
| IntPoint(), |
| static_cast<DragOperation>(m_operationsAllowed)); |
| |
| m_page->dragController().dragExited(&dragData); |
| |
| // FIXME: why is the drag scroll timer not stopped here? |
| |
| m_dragOperation = WebDragOperationNone; |
| m_currentDragData = nullptr; |
| } |
| |
| void WebViewImpl::dragTargetDrop(const WebPoint& clientPoint, |
| const WebPoint& screenPoint, |
| int modifiers) |
| { |
| ASSERT(m_currentDragData); |
| |
| WebAutofillClient* autofillClient = mainFrameImpl() ? mainFrameImpl()->autofillClient() : 0; |
| UserGestureNotifier notifier(autofillClient, &m_userGestureObserved); |
| |
| // If this webview transitions from the "drop accepting" state to the "not |
| // accepting" state, then our IPC message reply indicating that may be in- |
| // flight, or else delayed by javascript processing in this webview. If a |
| // drop happens before our IPC reply has reached the browser process, then |
| // the browser forwards the drop to this webview. So only allow a drop to |
| // proceed if our webview m_dragOperation state is not DragOperationNone. |
| |
| if (m_dragOperation == WebDragOperationNone) { // IPC RACE CONDITION: do not allow this drop. |
| dragTargetDragLeave(); |
| return; |
| } |
| |
| m_currentDragData->setModifiers(modifiers); |
| DragData dragData( |
| m_currentDragData.get(), |
| clientPoint, |
| screenPoint, |
| static_cast<DragOperation>(m_operationsAllowed)); |
| |
| UserGestureIndicator gesture(DefinitelyProcessingNewUserGesture); |
| m_page->dragController().performDrag(&dragData); |
| |
| m_dragOperation = WebDragOperationNone; |
| m_currentDragData = nullptr; |
| } |
| |
| void WebViewImpl::spellingMarkers(WebVector<uint32_t>* markers) |
| { |
| Vector<uint32_t> result; |
| for (Frame* frame = m_page->mainFrame(); frame; frame = frame->tree().traverseNext()) { |
| if (!frame->isLocalFrame()) |
| continue; |
| const DocumentMarkerVector& documentMarkers = toLocalFrame(frame)->document()->markers().markers(); |
| for (size_t i = 0; i < documentMarkers.size(); ++i) |
| result.append(documentMarkers[i]->hash()); |
| } |
| markers->assign(result); |
| } |
| |
| void WebViewImpl::removeSpellingMarkersUnderWords(const WebVector<WebString>& words) |
| { |
| Vector<String> convertedWords; |
| convertedWords.append(words.data(), words.size()); |
| |
| for (Frame* frame = m_page->mainFrame(); frame; frame = frame->tree().traverseNext()) { |
| if (frame->isLocalFrame()) |
| toLocalFrame(frame)->removeSpellingMarkersUnderWords(convertedWords); |
| } |
| } |
| |
| WebDragOperation WebViewImpl::dragTargetDragEnterOrOver(const WebPoint& clientPoint, const WebPoint& screenPoint, DragAction dragAction, int modifiers) |
| { |
| ASSERT(m_currentDragData); |
| |
| m_currentDragData->setModifiers(modifiers); |
| DragData dragData( |
| m_currentDragData.get(), |
| clientPoint, |
| screenPoint, |
| static_cast<DragOperation>(m_operationsAllowed)); |
| |
| DragSession dragSession; |
| if (dragAction == DragEnter) |
| dragSession = m_page->dragController().dragEntered(&dragData); |
| else |
| dragSession = m_page->dragController().dragUpdated(&dragData); |
| |
| DragOperation dropEffect = dragSession.operation; |
| |
| // Mask the drop effect operation against the drag source's allowed operations. |
| if (!(dropEffect & dragData.draggingSourceOperationMask())) |
| dropEffect = DragOperationNone; |
| |
| m_dragOperation = static_cast<WebDragOperation>(dropEffect); |
| |
| return m_dragOperation; |
| } |
| |
| void WebViewImpl::sendResizeEventAndRepaint() |
| { |
| // FIXME: This is wrong. The FrameView is responsible sending a resizeEvent |
| // as part of layout. Layout is also responsible for sending invalidations |
| // to the embedder. This method and all callers may be wrong. -- eseidel. |
| if (mainFrameImpl()->frameView()) { |
| // Enqueues the resize event. |
| mainFrameImpl()->frame()->document()->enqueueResizeEvent(); |
| } |
| |
| if (m_client) { |
| if (m_layerTreeView) { |
| updateLayerTreeViewport(); |
| } else { |
| WebRect damagedRect(0, 0, m_size.width, m_size.height); |
| m_client->didInvalidateRect(damagedRect); |
| } |
| } |
| updatePageOverlays(); |
| } |
| |
| void WebViewImpl::configureAutoResizeMode() |
| { |
| if (!mainFrameImpl() || !mainFrameImpl()->frame() || !mainFrameImpl()->frame()->view()) |
| return; |
| |
| if (m_shouldAutoResize) |
| mainFrameImpl()->frame()->view()->enableAutoSizeMode(m_minAutoSize, m_maxAutoSize); |
| else |
| mainFrameImpl()->frame()->view()->disableAutoSizeMode(); |
| } |
| |
| unsigned long WebViewImpl::createUniqueIdentifierForRequest() |
| { |
| return createUniqueIdentifier(); |
| } |
| |
| void WebViewImpl::setCompositorDeviceScaleFactorOverride(float deviceScaleFactor) |
| { |
| if (m_compositorDeviceScaleFactorOverride == deviceScaleFactor) |
| return; |
| m_compositorDeviceScaleFactorOverride = deviceScaleFactor; |
| if (page() && m_layerTreeView) |
| updateLayerTreeDeviceScaleFactor(); |
| } |
| |
| void WebViewImpl::setRootLayerTransform(const WebSize& rootLayerOffset, float rootLayerScale) |
| { |
| if (m_rootLayerScale == rootLayerScale && m_rootLayerOffset == rootLayerOffset) |
| return; |
| m_rootLayerScale = rootLayerScale; |
| m_rootLayerOffset = rootLayerOffset; |
| if (mainFrameImpl()) |
| mainFrameImpl()->setInputEventsTransformForEmulation(m_rootLayerOffset, m_rootLayerScale); |
| updateRootLayerTransform(); |
| } |
| |
| void WebViewImpl::enableDeviceEmulation(const WebDeviceEmulationParams& params) |
| { |
| m_devToolsEmulator->enableDeviceEmulation(params); |
| } |
| |
| void WebViewImpl::disableDeviceEmulation() |
| { |
| m_devToolsEmulator->disableDeviceEmulation(); |
| } |
| |
| WebAXObject WebViewImpl::accessibilityObject() |
| { |
| if (!mainFrameImpl()) |
| return WebAXObject(); |
| |
| Document* document = mainFrameImpl()->frame()->document(); |
| return WebAXObject(toAXObjectCacheImpl(document->axObjectCache())->root()); |
| } |
| |
| void WebViewImpl::performCustomContextMenuAction(unsigned action) |
| { |
| if (!m_page) |
| return; |
| ContextMenu* menu = m_page->contextMenuController().contextMenu(); |
| if (!menu) |
| return; |
| const ContextMenuItem* item = menu->itemWithAction(static_cast<ContextMenuAction>(ContextMenuItemBaseCustomTag + action)); |
| if (item) |
| m_page->contextMenuController().contextMenuItemSelected(item); |
| m_page->contextMenuController().clearContextMenu(); |
| } |
| |
| void WebViewImpl::showContextMenu() |
| { |
| if (!page()) |
| return; |
| |
| page()->contextMenuController().clearContextMenu(); |
| { |
| ContextMenuAllowedScope scope; |
| if (LocalFrame* focusedFrame = toLocalFrame(page()->focusController().focusedOrMainFrame())) |
| focusedFrame->eventHandler().sendContextMenuEventForKey(nullptr); |
| } |
| } |
| |
| void WebViewImpl::didCloseContextMenu() |
| { |
| LocalFrame* frame = m_page->focusController().focusedFrame(); |
| if (frame) |
| frame->selection().setCaretBlinkingSuspended(false); |
| } |
| |
| void WebViewImpl::extractSmartClipData(WebRect rectInViewport, WebString& clipText, WebString& clipHtml, WebRect& clipRectInViewport) |
| { |
| LocalFrame* localFrame = toLocalFrame(focusedCoreFrame()); |
| if (!localFrame) |
| return; |
| SmartClipData clipData = SmartClip(localFrame).dataForRect(rectInViewport); |
| clipText = clipData.clipData(); |
| clipRectInViewport = clipData.rectInViewport(); |
| |
| WebLocalFrameImpl* frame = mainFrameImpl(); |
| if (!frame) |
| return; |
| WebPoint startPoint(rectInViewport.x, rectInViewport.y); |
| WebPoint endPoint(rectInViewport.x + rectInViewport.width, rectInViewport.y + rectInViewport.height); |
| VisiblePosition startVisiblePosition = frame->visiblePositionForViewportPoint(startPoint); |
| VisiblePosition endVisiblePosition = frame->visiblePositionForViewportPoint(endPoint); |
| |
| Position startPosition = startVisiblePosition.deepEquivalent(); |
| Position endPosition = endVisiblePosition.deepEquivalent(); |
| |
| // document() will return null if -webkit-user-select is set to none. |
| if (!startPosition.document() || !endPosition.document()) |
| return; |
| |
| clipHtml = createMarkup(startPosition, endPosition, AnnotateForInterchange, ConvertBlocksToInlines::NotConvert, ResolveNonLocalURLs); |
| } |
| |
| void WebViewImpl::hidePopups() |
| { |
| cancelPagePopup(); |
| } |
| |
| void WebViewImpl::setIsTransparent(bool isTransparent) |
| { |
| // Set any existing frames to be transparent. |
| Frame* frame = m_page->mainFrame(); |
| while (frame) { |
| if (frame->isLocalFrame()) |
| toLocalFrame(frame)->view()->setTransparent(isTransparent); |
| frame = frame->tree().traverseNext(); |
| } |
| |
| // Future frames check this to know whether to be transparent. |
| m_isTransparent = isTransparent; |
| |
| if (m_layerTreeView) |
| m_layerTreeView->setHasTransparentBackground(this->isTransparent()); |
| } |
| |
| bool WebViewImpl::isTransparent() const |
| { |
| return m_isTransparent; |
| } |
| |
| void WebViewImpl::setBaseBackgroundColor(WebColor color) |
| { |
| if (m_baseBackgroundColor == color) |
| return; |
| |
| m_baseBackgroundColor = color; |
| |
| if (m_page->mainFrame() && m_page->mainFrame()->isLocalFrame()) |
| m_page->deprecatedLocalMainFrame()->view()->setBaseBackgroundColor(color); |
| |
| updateAllLifecyclePhases(); |
| } |
| |
| void WebViewImpl::setIsActive(bool active) |
| { |
| if (page()) |
| page()->focusController().setActive(active); |
| } |
| |
| bool WebViewImpl::isActive() const |
| { |
| return page() ? page()->focusController().isActive() : false; |
| } |
| |
| void WebViewImpl::setDomainRelaxationForbidden(bool forbidden, const WebString& scheme) |
| { |
| SchemeRegistry::setDomainRelaxationForbiddenForURLScheme(forbidden, String(scheme)); |
| } |
| |
| void WebViewImpl::setWindowFeatures(const WebWindowFeatures& features) |
| { |
| m_page->chromeClient().setWindowFeatures(features); |
| } |
| |
| void WebViewImpl::setOpenedByDOM() |
| { |
| m_page->setOpenedByDOM(); |
| } |
| |
| void WebViewImpl::setSelectionColors(unsigned activeBackgroundColor, |
| unsigned activeForegroundColor, |
| unsigned inactiveBackgroundColor, |
| unsigned inactiveForegroundColor) { |
| #if USE(DEFAULT_RENDER_THEME) |
| LayoutThemeDefault::setSelectionColors(activeBackgroundColor, activeForegroundColor, inactiveBackgroundColor, inactiveForegroundColor); |
| LayoutTheme::theme().platformColorsDidChange(); |
| #endif |
| } |
| |
| void WebViewImpl::didCommitLoad(bool isNewNavigation, bool isNavigationWithinPage) |
| { |
| if (!isNavigationWithinPage) { |
| m_shouldDispatchFirstVisuallyNonEmptyLayout = true; |
| m_shouldDispatchFirstLayoutAfterFinishedParsing = true; |
| m_shouldDispatchFirstLayoutAfterFinishedLoading = true; |
| |
| if (isNewNavigation) { |
| pageScaleConstraintsSet().setNeedsReset(true); |
| m_pageImportanceSignals.onCommitLoad(); |
| } |
| } |
| |
| // Give the visual viewport's scroll layer its initial size. |
| page()->frameHost().visualViewport().mainFrameDidChangeSize(); |
| |
| // Make sure link highlight from previous page is cleared. |
| m_linkHighlights.clear(); |
| endActiveFlingAnimation(); |
| m_userGestureObserved = false; |
| } |
| |
| void WebViewImpl::mainFrameDocumentElementAvailable() |
| { |
| // This check is necessary to avoid provisional frames |
| // (see WebLocalFrame::createProvisional) leaking |
| // their calls into WebViewImpl. |
| // See http://crbug.com/578349 for details. |
| // TODO(dcheng): Remove this when the provisional frames |
| // bite the dust. |
| if (!mainFrameImpl()) |
| return; |
| |
| // For non-HTML documents the willInsertBody notification won't happen |
| // so we resume as soon as we have a document element. Even for XHTML |
| // documents there may never be a <body> (since the parser won't always |
| // insert one), so we resume here too. That does mean XHTML documents make |
| // frames when there's only a <head>, but such documents are pretty rare. |
| if (!mainFrameImpl()->frame()->document()->isHTMLDocument()) |
| resumeTreeViewCommitsIfRenderingReady(); |
| } |
| |
| void WebViewImpl::willInsertMainFrameDocumentBody() |
| { |
| // This check is necessary to avoid provisional frames |
| // (see WebLocalFrame::createProvisional) leaking |
| // their calls into WebViewImpl. |
| // See http://crbug.com/578349 for details. |
| // TODO(dcheng): Remove this when the provisional frames |
| // bite the dust. |
| if (!mainFrameImpl()) |
| return; |
| |
| // If we get to the <body> try to resume commits since we should have content |
| // to paint now. |
| // TODO(esprehn): Is this really optimal? We might start producing frames |
| // for very little content, should we wait for some heuristic like |
| // isVisuallyNonEmpty() ? |
| resumeTreeViewCommitsIfRenderingReady(); |
| } |
| |
| void WebViewImpl::didFinishMainFrameDocumentLoad() |
| { |
| resumeTreeViewCommitsIfRenderingReady(); |
| } |
| |
| void WebViewImpl::didRemoveAllPendingStylesheetsInMainFrameDocument() |
| { |
| Document& document = *mainFrameImpl()->frame()->document(); |
| |
| // For HTML if we have no more stylesheets to load and we're past the body |
| // tag, we should have something to paint so resume. |
| if (document.isHTMLDocument() && !document.body()) |
| return; |
| |
| // For non-HTML there is no body so resume as soon as the sheets are loaded. |
| if (!document.isHTMLDocument() && !document.documentElement()) |
| return; |
| |
| resumeTreeViewCommitsIfRenderingReady(); |
| } |
| |
| void WebViewImpl::resumeTreeViewCommitsIfRenderingReady() |
| { |
| LocalFrame* frame = mainFrameImpl()->frame(); |
| if (!frame->loader().stateMachine()->committedFirstRealDocumentLoad()) |
| return; |
| if (!frame->document()->isRenderingReady()) |
| return; |
| if (m_layerTreeView) { |
| m_layerTreeView->setDeferCommits(false); |
| m_layerTreeView->setNeedsBeginFrame(); |
| } |
| } |
| |
| void WebViewImpl::postLayoutResize(WebLocalFrameImpl* webframe) |
| { |
| FrameView* view = webframe->frame()->view(); |
| if (webframe == mainFrame()) |
| view->resize(mainFrameSize()); |
| else |
| view->resize(webframe->frameView()->size()); |
| } |
| |
| void WebViewImpl::layoutUpdated(WebLocalFrameImpl* webframe) |
| { |
| LocalFrame* frame = webframe->frame(); |
| if (!m_client || !frame->isLocalRoot()) |
| return; |
| |
| if (m_shouldAutoResize) { |
| WebSize frameSize = frame->view()->frameRect().size(); |
| if (frameSize != m_size) { |
| m_size = frameSize; |
| |
| page()->frameHost().visualViewport().setSize(m_size); |
| pageScaleConstraintsSet().didChangeInitialContainingBlockSize(m_size); |
| |
| m_client->didAutoResize(m_size); |
| sendResizeEventAndRepaint(); |
| } |
| } |
| |
| if (pageScaleConstraintsSet().constraintsDirty()) |
| refreshPageScaleFactorAfterLayout(); |
| |
| FrameView* view = webframe->frame()->view(); |
| |
| postLayoutResize(webframe); |
| |
| // Relayout immediately to avoid violating the rule that needsLayout() |
| // isn't set at the end of a layout. |
| if (view->needsLayout()) |
| view->layout(); |
| |
| // In case we didn't have a size when the top controls were updated. |
| didUpdateTopControls(); |
| |
| m_client->didUpdateLayout(); |
| } |
| |
| void WebViewImpl::didChangeContentsSize() |
| { |
| pageScaleConstraintsSet().didChangeContentsSize(contentsSize(), pageScaleFactor()); |
| } |
| |
| void WebViewImpl::pageScaleFactorChanged() |
| { |
| pageScaleConstraintsSet().setNeedsReset(false); |
| updateLayerTreeViewport(); |
| m_client->pageScaleFactorChanged(); |
| } |
| |
| bool WebViewImpl::useExternalPopupMenus() |
| { |
| return shouldUseExternalPopupMenus; |
| } |
| |
| void WebViewImpl::startDragging(LocalFrame* frame, |
| const WebDragData& dragData, |
| WebDragOperationsMask mask, |
| const WebImage& dragImage, |
| const WebPoint& dragImageOffset) |
| { |
| if (!m_client) |
| return; |
| ASSERT(!m_doingDragAndDrop); |
| m_doingDragAndDrop = true; |
| m_client->startDragging(WebLocalFrameImpl::fromFrame(frame), dragData, mask, dragImage, dragImageOffset); |
| } |
| |
| void WebViewImpl::setIgnoreInputEvents(bool newValue) |
| { |
| ASSERT(m_ignoreInputEvents != newValue); |
| m_ignoreInputEvents = newValue; |
| } |
| |
| void WebViewImpl::setBackgroundColorOverride(WebColor color) |
| { |
| m_backgroundColorOverride = color; |
| updateLayerTreeBackgroundColor(); |
| } |
| |
| void WebViewImpl::setZoomFactorOverride(float zoomFactor) |
| { |
| m_zoomFactorOverride = zoomFactor; |
| setZoomLevel(zoomLevel()); |
| } |
| |
| void WebViewImpl::setPageOverlayColor(WebColor color) |
| { |
| if (m_pageColorOverlay) |
| m_pageColorOverlay.clear(); |
| |
| if (color == Color::transparent) |
| return; |
| |
| m_pageColorOverlay = PageOverlay::create(this, new ColorOverlay(color)); |
| m_pageColorOverlay->update(); |
| } |
| |
| WebPageImportanceSignals* WebViewImpl::pageImportanceSignals() |
| { |
| return &m_pageImportanceSignals; |
| } |
| |
| Element* WebViewImpl::focusedElement() const |
| { |
| LocalFrame* frame = m_page->focusController().focusedFrame(); |
| if (!frame) |
| return nullptr; |
| |
| Document* document = frame->document(); |
| if (!document) |
| return nullptr; |
| |
| return document->focusedElement(); |
| } |
| |
| HitTestResult WebViewImpl::hitTestResultForViewportPos(const IntPoint& posInViewport) |
| { |
| IntPoint rootFramePoint(m_page->frameHost().visualViewport().viewportToRootFrame(posInViewport)); |
| return hitTestResultForRootFramePos(rootFramePoint); |
| } |
| |
| HitTestResult WebViewImpl::hitTestResultForRootFramePos(const IntPoint& posInRootFrame) |
| { |
| if (!m_page->mainFrame()->isLocalFrame()) |
| return HitTestResult(); |
| IntPoint docPoint(m_page->deprecatedLocalMainFrame()->view()->rootFrameToContents(posInRootFrame)); |
| HitTestResult result = m_page->deprecatedLocalMainFrame()->eventHandler().hitTestResultAtPoint(docPoint, HitTestRequest::ReadOnly | HitTestRequest::Active); |
| result.setToShadowHostIfInUserAgentShadowRoot(); |
| return result; |
| } |
| |
| WebHitTestResult WebViewImpl::hitTestResultForTap(const WebPoint& tapPointWindowPos, const WebSize& tapArea) |
| { |
| if (!m_page->mainFrame()->isLocalFrame()) |
| return HitTestResult(); |
| |
| WebGestureEvent tapEvent; |
| tapEvent.x = tapPointWindowPos.x; |
| tapEvent.y = tapPointWindowPos.y; |
| tapEvent.type = WebInputEvent::GestureTap; |
| // GestureTap is only ever from a touchscreen. |
| tapEvent.sourceDevice = WebGestureDeviceTouchscreen; |
| tapEvent.data.tap.tapCount = 1; |
| tapEvent.data.tap.width = tapArea.width; |
| tapEvent.data.tap.height = tapArea.height; |
| |
| PlatformGestureEventBuilder platformEvent(mainFrameImpl()->frameView(), tapEvent); |
| |
| HitTestResult result = m_page->deprecatedLocalMainFrame()->eventHandler().hitTestResultForGestureEvent(platformEvent, HitTestRequest::ReadOnly | HitTestRequest::Active).hitTestResult(); |
| |
| result.setToShadowHostIfInUserAgentShadowRoot(); |
| return result; |
| } |
| |
| void WebViewImpl::setTabsToLinks(bool enable) |
| { |
| m_tabsToLinks = enable; |
| } |
| |
| bool WebViewImpl::tabsToLinks() const |
| { |
| return m_tabsToLinks; |
| } |
| |
| void WebViewImpl::setRootGraphicsLayer(GraphicsLayer* layer) |
| { |
| if (!m_layerTreeView) |
| return; |
| |
| // In SPv2, we attach layers via PaintArtifactCompositor, rather than |
| // supplying a root GraphicsLayer from PaintLayerCompositor. |
| ASSERT(!RuntimeEnabledFeatures::slimmingPaintV2Enabled()); |
| |
| VisualViewport& visualViewport = page()->frameHost().visualViewport(); |
| visualViewport.attachToLayerTree(layer, graphicsLayerFactory()); |
| if (layer) { |
| m_rootGraphicsLayer = visualViewport.rootGraphicsLayer(); |
| m_rootLayer = m_rootGraphicsLayer->platformLayer(); |
| updateRootLayerTransform(); |
| m_layerTreeView->setRootLayer(*m_rootLayer); |
| // We register viewport layers here since there may not be a layer |
| // tree view prior to this point. |
| visualViewport.registerLayersWithTreeView(m_layerTreeView); |
| updatePageOverlays(); |
| // TODO(enne): Work around page visibility changes not being |
| // propagated to the WebView in some circumstances. This needs to |
| // be refreshed here when setting a new root layer to avoid being |
| // stuck in a presumed incorrectly invisible state. |
| m_layerTreeView->setVisible(page()->isPageVisible()); |
| } else { |
| m_rootGraphicsLayer = nullptr; |
| m_rootLayer = nullptr; |
| // This means that we're transitioning to a new page. Suppress |
| // commits until Blink generates invalidations so we don't |
| // attempt to paint too early in the next page load. |
| m_layerTreeView->setDeferCommits(true); |
| m_layerTreeView->clearRootLayer(); |
| visualViewport.clearLayersForTreeView(m_layerTreeView); |
| } |
| } |
| |
| void WebViewImpl::invalidateRect(const IntRect& rect) |
| { |
| if (m_layerTreeView) |
| updateLayerTreeViewport(); |
| else if (m_client) |
| m_client->didInvalidateRect(rect); |
| } |
| |
| GraphicsLayerFactory* WebViewImpl::graphicsLayerFactory() const |
| { |
| return m_graphicsLayerFactory.get(); |
| } |
| |
| PaintLayerCompositor* WebViewImpl::compositor() const |
| { |
| WebLocalFrameImpl* frame = mainFrameImpl(); |
| if (!frame) |
| return nullptr; |
| |
| Document* document = frame->frame()->document(); |
| if (!document || !document->layoutView()) |
| return nullptr; |
| |
| return document->layoutView()->compositor(); |
| } |
| |
| void WebViewImpl::registerForAnimations(WebLayer* layer) |
| { |
| if (m_layerTreeView) |
| m_layerTreeView->registerForAnimations(layer); |
| } |
| |
| GraphicsLayer* WebViewImpl::rootGraphicsLayer() |
| { |
| return m_rootGraphicsLayer; |
| } |
| |
| void WebViewImpl::scheduleAnimation() |
| { |
| if (m_layerTreeView) { |
| m_layerTreeView->setNeedsBeginFrame(); |
| return; |
| } |
| if (m_client) |
| m_client->scheduleAnimation(); |
| } |
| |
| void WebViewImpl::attachCompositorAnimationTimeline(WebCompositorAnimationTimeline* timeline) |
| { |
| if (m_layerTreeView) |
| m_layerTreeView->attachCompositorAnimationTimeline(timeline); |
| } |
| |
| void WebViewImpl::detachCompositorAnimationTimeline(WebCompositorAnimationTimeline* timeline) |
| { |
| if (m_layerTreeView) |
| m_layerTreeView->detachCompositorAnimationTimeline(timeline); |
| } |
| |
| void WebViewImpl::initializeLayerTreeView() |
| { |
| if (m_client) { |
| m_client->initializeLayerTreeView(); |
| m_layerTreeView = m_client->layerTreeView(); |
| } |
| |
| if (WebDevToolsAgentImpl* devTools = mainFrameDevToolsAgentImpl()) |
| devTools->layerTreeViewChanged(m_layerTreeView); |
| |
| m_page->settings().setAcceleratedCompositingEnabled(m_layerTreeView); |
| if (m_layerTreeView) |
| m_page->layerTreeViewInitialized(*m_layerTreeView); |
| |
| // FIXME: only unittests, click to play, Android printing, and printing (for headers and footers) |
| // make this assert necessary. We should make them not hit this code and then delete allowsBrokenNullLayerTreeView. |
| ASSERT(m_layerTreeView || !m_client || m_client->allowsBrokenNullLayerTreeView()); |
| |
| if (RuntimeEnabledFeatures::compositorAnimationTimelinesEnabled() && Platform::current()->isThreadedAnimationEnabled() && m_layerTreeView) { |
| ASSERT(Platform::current()->compositorSupport()); |
| m_linkHighlightsTimeline = adoptPtr(Platform::current()->compositorSupport()->createAnimationTimeline()); |
| attachCompositorAnimationTimeline(m_linkHighlightsTimeline.get()); |
| } |
| |
| if (RuntimeEnabledFeatures::slimmingPaintV2Enabled()) |
| attachPaintArtifactCompositor(); |
| } |
| |
| void WebViewImpl::applyViewportDeltas( |
| const WebFloatSize& visualViewportDelta, |
| const WebFloatSize& layoutViewportDelta, |
| const WebFloatSize& elasticOverscrollDelta, |
| float pageScaleDelta, |
| float topControlsShownRatioDelta) |
| { |
| if (!mainFrameImpl()) |
| return; |
| FrameView* frameView = mainFrameImpl()->frameView(); |
| if (!frameView) |
| return; |
| |
| topControls().setShownRatio(topControls().shownRatio() + topControlsShownRatioDelta); |
| |
| FloatPoint visualViewportOffset = page()->frameHost().visualViewport().visibleRect().location(); |
| visualViewportOffset.move(visualViewportDelta.width, visualViewportDelta.height); |
| setPageScaleFactorAndLocation(pageScaleFactor() * pageScaleDelta, visualViewportOffset); |
| |
| if (pageScaleDelta != 1) { |
| m_doubleTapZoomPending = false; |
| page()->frameHost().visualViewport().userDidChangeScale(); |
| } |
| |
| m_elasticOverscroll += elasticOverscrollDelta; |
| frameView->didUpdateElasticOverscroll(); |
| |
| ScrollableArea* layoutViewport = frameView->layoutViewportScrollableArea(); |
| |
| DoublePoint layoutViewportPosition = layoutViewport->scrollPositionDouble() |
| + DoubleSize(layoutViewportDelta.width, layoutViewportDelta.height); |
| |
| if (layoutViewport->scrollPositionDouble() != layoutViewportPosition) { |
| layoutViewport->setScrollPosition(layoutViewportPosition, CompositorScroll); |
| if (DocumentLoader* documentLoader = mainFrameImpl()->frame()->loader().documentLoader()) |
| documentLoader->initialScrollState().wasScrolledByUser = true; |
| } |
| } |
| |
| void WebViewImpl::recordFrameTimingEvent(FrameTimingEventType eventType, int64_t FrameId, const WebVector<WebFrameTimingEvent>& events) |
| { |
| Frame* frame = m_page ? m_page->mainFrame() : 0; |
| |
| while (frame && frame->frameID() != FrameId) { |
| frame = frame->tree().traverseNext(); |
| } |
| |
| if (!frame || !frame->domWindow() || !frame->domWindow()->document()) |
| return; // Can't find frame, it may have been cleaned up from the DOM. |
| |
| blink::DOMWindow* domWindow = frame->domWindow(); |
| blink::Performance* performance = DOMWindowPerformance::performance(*domWindow); |
| for (size_t i = 0; i < events.size(); ++i) { |
| if (eventType == CompositeEvent) |
| performance->addCompositeTiming(domWindow->document(), events[i].sourceFrame, events[i].startTime); |
| else if (eventType == RenderEvent) |
| performance->addRenderTiming(domWindow->document(), events[i].sourceFrame, events[i].startTime, events[i].finishTime); |
| } |
| } |
| |
| void WebViewImpl::updateLayerTreeViewport() |
| { |
| if (!page() || !m_layerTreeView) |
| return; |
| |
| m_layerTreeView->setPageScaleFactorAndLimits(pageScaleFactor(), minimumPageScaleFactor(), maximumPageScaleFactor()); |
| } |
| |
| void WebViewImpl::updateLayerTreeBackgroundColor() |
| { |
| if (!m_layerTreeView) |
| return; |
| |
| m_layerTreeView->setBackgroundColor(alphaChannel(m_backgroundColorOverride) ? m_backgroundColorOverride : backgroundColor()); |
| } |
| |
| void WebViewImpl::updateLayerTreeDeviceScaleFactor() |
| { |
| ASSERT(page()); |
| ASSERT(m_layerTreeView); |
| |
| float deviceScaleFactor = m_compositorDeviceScaleFactorOverride ? m_compositorDeviceScaleFactorOverride : page()->deviceScaleFactor(); |
| m_layerTreeView->setDeviceScaleFactor(deviceScaleFactor); |
| } |
| |
| void WebViewImpl::updateRootLayerTransform() |
| { |
| if (m_rootGraphicsLayer) { |
| TransformationMatrix transform; |
| transform.translate(m_rootLayerOffset.width, m_rootLayerOffset.height); |
| transform = transform.scale(m_rootLayerScale); |
| m_rootGraphicsLayer->setTransform(transform); |
| } |
| } |
| |
| bool WebViewImpl::detectContentOnTouch(const GestureEventWithHitTestResults& targetedEvent) |
| { |
| if (!m_page->mainFrame()->isLocalFrame()) |
| return false; |
| |
| // Need a local copy of the hit test as setToShadowHostIfInUserAgentShadowRoot() will modify it. |
| HitTestResult touchHit = targetedEvent.hitTestResult(); |
| touchHit.setToShadowHostIfInUserAgentShadowRoot(); |
| |
| if (touchHit.isContentEditable()) |
| return false; |
| |
| Node* node = touchHit.innerNode(); |
| if (!node || !node->isTextNode()) |
| return false; |
| |
| // Ignore when tapping on links or nodes listening to click events, unless the click event is on the |
| // body element, in which case it's unlikely that the original node itself was intended to be clickable. |
| for (; node && !isHTMLBodyElement(*node); node = LayoutTreeBuilderTraversal::parent(*node)) { |
| if (node->isLink() || node->willRespondToTouchEvents() || node->willRespondToMouseClickEvents()) |
| return false; |
| } |
| |
| WebContentDetectionResult content = m_client->detectContentAround(touchHit); |
| if (!content.isValid()) |
| return false; |
| |
| // This code is called directly after hit test code, with no user code running in between, |
| // thus it is assumed that the frame pointer is non-null. |
| bool isMainFrame = node ? node->document().frame()->isMainFrame() : true; |
| m_client->scheduleContentIntent(content.intent(), isMainFrame); |
| return true; |
| } |
| |
| void WebViewImpl::setVisibilityState(WebPageVisibilityState visibilityState, |
| bool isInitialState) { |
| ASSERT(visibilityState == WebPageVisibilityStateVisible || visibilityState == WebPageVisibilityStateHidden || visibilityState == WebPageVisibilityStatePrerender); |
| |
| if (page()) |
| m_page->setVisibilityState(static_cast<PageVisibilityState>(static_cast<int>(visibilityState)), isInitialState); |
| |
| bool visible = visibilityState == WebPageVisibilityStateVisible; |
| if (m_layerTreeView) |
| m_layerTreeView->setVisible(visible); |
| m_scheduler->setPageVisible(visible); |
| } |
| |
| bool WebViewImpl::requestPointerLock() |
| { |
| return m_client && m_client->requestPointerLock(); |
| } |
| |
| void WebViewImpl::requestPointerUnlock() |
| { |
| if (m_client) |
| m_client->requestPointerUnlock(); |
| } |
| |
| bool WebViewImpl::isPointerLocked() |
| { |
| return m_client && m_client->isPointerLocked(); |
| } |
| |
| void WebViewImpl::pointerLockMouseEvent(const WebInputEvent& event) |
| { |
| OwnPtr<UserGestureIndicator> gestureIndicator; |
| AtomicString eventType; |
| switch (event.type) { |
| case WebInputEvent::MouseDown: |
| eventType = EventTypeNames::mousedown; |
| gestureIndicator = adoptPtr(new UserGestureIndicator(DefinitelyProcessingNewUserGesture)); |
| m_pointerLockGestureToken = gestureIndicator->currentToken(); |
| break; |
| case WebInputEvent::MouseUp: |
| eventType = EventTypeNames::mouseup; |
| gestureIndicator = adoptPtr(new UserGestureIndicator(m_pointerLockGestureToken.release())); |
| break; |
| case WebInputEvent::MouseMove: |
| eventType = EventTypeNames::mousemove; |
| break; |
| default: |
| ASSERT_NOT_REACHED(); |
| } |
| |
| const WebMouseEvent& mouseEvent = static_cast<const WebMouseEvent&>(event); |
| |
| if (page()) |
| page()->pointerLockController().dispatchLockedMouseEvent( |
| PlatformMouseEventBuilder(mainFrameImpl()->frameView(), mouseEvent), |
| eventType); |
| } |
| |
| void WebViewImpl::forceNextWebGLContextCreationToFail() |
| { |
| WebGLRenderingContext::forceNextWebGLContextCreationToFail(); |
| } |
| |
| void WebViewImpl::forceNextDrawingBufferCreationToFail() |
| { |
| DrawingBuffer::forceNextDrawingBufferCreationToFail(); |
| } |
| |
| void WebViewImpl::updatePageOverlays() |
| { |
| if (m_pageColorOverlay) |
| m_pageColorOverlay->update(); |
| if (InspectorOverlay* overlay = inspectorOverlay()) { |
| PageOverlay* inspectorPageOverlay = overlay->pageOverlay(); |
| if (inspectorPageOverlay) |
| inspectorPageOverlay->update(); |
| } |
| } |
| |
| void WebViewImpl::attachPaintArtifactCompositor() |
| { |
| if (!m_layerTreeView) |
| return; |
| |
| // Otherwise, PaintLayerCompositor is expected to supply a root |
| // GraphicsLayer via setRootGraphicsLayer. |
| ASSERT(RuntimeEnabledFeatures::slimmingPaintV2Enabled()); |
| |
| // TODO(jbroman): This should probably have hookups for overlays, visual |
| // viewport, etc. |
| |
| m_paintArtifactCompositor.initializeIfNeeded(); |
| WebLayer* rootLayer = m_paintArtifactCompositor.webLayer(); |
| ASSERT(rootLayer); |
| m_layerTreeView->setRootLayer(*rootLayer); |
| |
| // TODO(jbroman): This is cargo-culted from setRootGraphicsLayer. Is it |
| // necessary? |
| m_layerTreeView->setVisible(page()->isPageVisible()); |
| } |
| |
| void WebViewImpl::detachPaintArtifactCompositor() |
| { |
| if (!m_layerTreeView) |
| return; |
| |
| m_layerTreeView->setDeferCommits(true); |
| m_layerTreeView->clearRootLayer(); |
| } |
| |
| float WebViewImpl::deviceScaleFactor() const |
| { |
| // TODO(oshima): Investigate if this should return the ScreenInfo's scale factor rather than |
| // page's scale factor, which can be 1 in use-zoom-for-dsf mode. |
| if (!page()) |
| return 1; |
| |
| return page()->deviceScaleFactor(); |
| } |
| |
| } // namespace blink |