| /* |
| * Copyright (C) 2009 Google Inc. All rights reserved. |
| * Copyright (C) 2014 Opera Software ASA. 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/WebPluginContainerImpl.h" |
| |
| #include "bindings/core/v8/ScriptController.h" |
| #include "bindings/core/v8/ScriptSourceCode.h" |
| #include "bindings/core/v8/V8Element.h" |
| #include "core/HTMLNames.h" |
| #include "core/clipboard/DataObject.h" |
| #include "core/clipboard/DataTransfer.h" |
| #include "core/dom/ExecutionContext.h" |
| #include "core/events/DragEvent.h" |
| #include "core/events/EventQueue.h" |
| #include "core/events/GestureEvent.h" |
| #include "core/events/KeyboardEvent.h" |
| #include "core/events/MouseEvent.h" |
| #include "core/events/ProgressEvent.h" |
| #include "core/events/ResourceProgressEvent.h" |
| #include "core/events/TouchEvent.h" |
| #include "core/events/WheelEvent.h" |
| #include "core/frame/EventHandlerRegistry.h" |
| #include "core/frame/FrameView.h" |
| #include "core/frame/LocalFrame.h" |
| #include "core/frame/csp/ContentSecurityPolicy.h" |
| #include "core/html/HTMLFormElement.h" |
| #include "core/html/HTMLPlugInElement.h" |
| #include "core/input/EventHandler.h" |
| #include "core/layout/HitTestResult.h" |
| #include "core/layout/LayoutBox.h" |
| #include "core/layout/LayoutPart.h" |
| #include "core/layout/LayoutView.h" |
| #include "core/loader/FrameLoadRequest.h" |
| #include "core/page/FocusController.h" |
| #include "core/page/Page.h" |
| #include "core/page/scrolling/ScrollingCoordinator.h" |
| #include "core/paint/LayoutObjectDrawingRecorder.h" |
| #include "core/paint/PaintLayer.h" |
| #include "modules/plugins/PluginOcclusionSupport.h" |
| #include "platform/HostWindow.h" |
| #include "platform/KeyboardCodes.h" |
| #include "platform/PlatformGestureEvent.h" |
| #include "platform/RuntimeEnabledFeatures.h" |
| #include "platform/UserGestureIndicator.h" |
| #include "platform/exported/WrappedResourceResponse.h" |
| #include "platform/geometry/LayoutRect.h" |
| #include "platform/graphics/GraphicsContext.h" |
| #include "platform/graphics/GraphicsLayer.h" |
| #include "platform/graphics/paint/CullRect.h" |
| #include "platform/graphics/paint/ForeignLayerDisplayItem.h" |
| #include "platform/scroll/ScrollAnimatorBase.h" |
| #include "platform/scroll/ScrollbarTheme.h" |
| #include "public/platform/Platform.h" |
| #include "public/platform/WebClipboard.h" |
| #include "public/platform/WebCompositorSupport.h" |
| #include "public/platform/WebCursorInfo.h" |
| #include "public/platform/WebDragData.h" |
| #include "public/platform/WebExternalTextureLayer.h" |
| #include "public/platform/WebRect.h" |
| #include "public/platform/WebString.h" |
| #include "public/platform/WebURL.h" |
| #include "public/platform/WebURLError.h" |
| #include "public/platform/WebURLRequest.h" |
| #include "public/web/WebDOMMessageEvent.h" |
| #include "public/web/WebElement.h" |
| #include "public/web/WebInputEvent.h" |
| #include "public/web/WebPlugin.h" |
| #include "public/web/WebPrintParams.h" |
| #include "public/web/WebPrintPresetOptions.h" |
| #include "public/web/WebViewClient.h" |
| #include "web/ChromeClientImpl.h" |
| #include "web/WebDataSourceImpl.h" |
| #include "web/WebInputEventConversion.h" |
| #include "web/WebViewImpl.h" |
| #include "wtf/Assertions.h" |
| |
| namespace blink { |
| |
| // Public methods -------------------------------------------------------------- |
| |
| void WebPluginContainerImpl::setFrameRect(const IntRect& frameRect) |
| { |
| Widget::setFrameRect(frameRect); |
| } |
| |
| void WebPluginContainerImpl::updateAllLifecyclePhases() |
| { |
| if (!m_webPlugin) |
| return; |
| |
| m_webPlugin->updateAllLifecyclePhases(); |
| } |
| |
| void WebPluginContainerImpl::paint(GraphicsContext& context, const CullRect& cullRect) const |
| { |
| if (!parent()) |
| return; |
| |
| // Don't paint anything if the plugin doesn't intersect. |
| if (!cullRect.intersectsCullRect(frameRect())) |
| return; |
| |
| if (RuntimeEnabledFeatures::slimmingPaintV2Enabled() && m_webLayer) { |
| // With Slimming Paint v2, composited plugins should have their layers |
| // inserted rather than invoking WebPlugin::paint. |
| recordForeignLayer( |
| context, *m_element->layoutObject(), DisplayItem::ForeignLayerPlugin, |
| m_webLayer, location(), size()); |
| return; |
| } |
| |
| if (LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(context, *m_element->layoutObject(), DisplayItem::Type::WebPlugin)) |
| return; |
| |
| LayoutObjectDrawingRecorder drawingRecorder(context, *m_element->layoutObject(), DisplayItem::Type::WebPlugin, cullRect.m_rect); |
| context.save(); |
| |
| DCHECK(parent()->isFrameView()); |
| FrameView* view = toFrameView(parent()); |
| |
| // The plugin is positioned in the root frame's coordinates, so it needs to |
| // be painted in them too. |
| IntPoint origin = view->contentsToRootFrame(IntPoint(0, 0)); |
| context.translate(static_cast<float>(-origin.x()), static_cast<float>(-origin.y())); |
| |
| WebCanvas* canvas = context.canvas(); |
| |
| IntRect windowRect = view->contentsToRootFrame(cullRect.m_rect); |
| m_webPlugin->paint(canvas, windowRect); |
| |
| context.restore(); |
| } |
| |
| void WebPluginContainerImpl::invalidateRect(const IntRect& rect) |
| { |
| if (!parent()) |
| return; |
| |
| LayoutBox* layoutObject = toLayoutBox(m_element->layoutObject()); |
| if (!layoutObject) |
| return; |
| |
| IntRect dirtyRect = rect; |
| dirtyRect.move( |
| layoutObject->borderLeft() + layoutObject->paddingLeft(), |
| layoutObject->borderTop() + layoutObject->paddingTop()); |
| |
| m_pendingInvalidationRect.unite(dirtyRect); |
| |
| layoutObject->setMayNeedPaintInvalidation(); |
| } |
| |
| void WebPluginContainerImpl::setFocus(bool focused, WebFocusType focusType) |
| { |
| Widget::setFocus(focused, focusType); |
| m_webPlugin->updateFocus(focused, focusType); |
| } |
| |
| void WebPluginContainerImpl::show() |
| { |
| setSelfVisible(true); |
| m_webPlugin->updateVisibility(true); |
| |
| Widget::show(); |
| } |
| |
| void WebPluginContainerImpl::hide() |
| { |
| setSelfVisible(false); |
| m_webPlugin->updateVisibility(false); |
| |
| Widget::hide(); |
| } |
| |
| void WebPluginContainerImpl::handleEvent(Event* event) |
| { |
| // The events we pass are defined at: |
| // http://devedge-temp.mozilla.org/library/manuals/2002/plugin/1.0/structures5.html#1000000 |
| // Don't take the documentation as truth, however. There are many cases |
| // where mozilla behaves differently than the spec. |
| if (event->isMouseEvent()) |
| handleMouseEvent(toMouseEvent(event)); |
| else if (event->isWheelEvent()) |
| handleWheelEvent(toWheelEvent(event)); |
| else if (event->isKeyboardEvent()) |
| handleKeyboardEvent(toKeyboardEvent(event)); |
| else if (event->isTouchEvent()) |
| handleTouchEvent(toTouchEvent(event)); |
| else if (event->isGestureEvent()) |
| handleGestureEvent(toGestureEvent(event)); |
| else if (event->isDragEvent() && m_webPlugin->canProcessDrag()) |
| handleDragEvent(toDragEvent(event)); |
| |
| // FIXME: it would be cleaner if Widget::handleEvent returned true/false and |
| // HTMLPluginElement called setDefaultHandled or defaultEventHandler. |
| if (!event->defaultHandled()) |
| m_element->Node::defaultEventHandler(event); |
| } |
| |
| void WebPluginContainerImpl::frameRectsChanged() |
| { |
| Widget::frameRectsChanged(); |
| reportGeometry(); |
| } |
| |
| void WebPluginContainerImpl::widgetGeometryMayHaveChanged() |
| { |
| Widget::widgetGeometryMayHaveChanged(); |
| reportGeometry(); |
| } |
| |
| void WebPluginContainerImpl::eventListenersRemoved() |
| { |
| // We're no longer registered to receive touch events, so don't try to remove |
| // the touch event handlers in our destructor. |
| m_touchEventRequestType = TouchEventRequestTypeNone; |
| } |
| |
| void WebPluginContainerImpl::setParentVisible(bool parentVisible) |
| { |
| // We override this function to make sure that geometry updates are sent |
| // over to the plugin. For e.g. when a plugin is instantiated it does not |
| // have a valid parent. As a result the first geometry update from webkit |
| // is ignored. This function is called when the plugin eventually gets a |
| // parent. |
| |
| if (isParentVisible() == parentVisible) |
| return; // No change. |
| |
| Widget::setParentVisible(parentVisible); |
| if (!isSelfVisible()) |
| return; // This widget has explicitely been marked as not visible. |
| |
| if (m_webPlugin) |
| m_webPlugin->updateVisibility(isVisible()); |
| } |
| |
| void WebPluginContainerImpl::setParent(Widget* widget) |
| { |
| // We override this function so that if the plugin is windowed, we can call |
| // NPP_SetWindow at the first possible moment. This ensures that |
| // NPP_SetWindow is called before the manual load data is sent to a plugin. |
| // If this order is reversed, Flash won't load videos. |
| |
| Widget::setParent(widget); |
| if (widget) |
| reportGeometry(); |
| else if (m_webPlugin) |
| m_webPlugin->containerDidDetachFromParent(); |
| } |
| |
| void WebPluginContainerImpl::setPlugin(WebPlugin* plugin) |
| { |
| if (plugin == m_webPlugin) |
| return; |
| |
| m_element->resetInstance(); |
| m_webPlugin = plugin; |
| m_isDisposed = false; |
| } |
| |
| float WebPluginContainerImpl::deviceScaleFactor() |
| { |
| Page* page = m_element->document().page(); |
| if (!page) |
| return 1.0; |
| return page->deviceScaleFactor(); |
| } |
| |
| float WebPluginContainerImpl::pageScaleFactor() |
| { |
| Page* page = m_element->document().page(); |
| if (!page) |
| return 1.0; |
| return page->pageScaleFactor(); |
| } |
| |
| float WebPluginContainerImpl::pageZoomFactor() |
| { |
| LocalFrame* frame = m_element->document().frame(); |
| if (!frame) |
| return 1.0; |
| return frame->pageZoomFactor(); |
| } |
| |
| void WebPluginContainerImpl::setWebLayer(WebLayer* layer) |
| { |
| if (m_webLayer == layer) |
| return; |
| |
| if (m_webLayer) |
| GraphicsLayer::unregisterContentsLayer(m_webLayer); |
| if (layer) |
| GraphicsLayer::registerContentsLayer(layer); |
| |
| m_webLayer = layer; |
| |
| if (m_element) |
| m_element->setNeedsCompositingUpdate(); |
| } |
| |
| bool WebPluginContainerImpl::supportsPaginatedPrint() const |
| { |
| return m_webPlugin->supportsPaginatedPrint(); |
| } |
| |
| bool WebPluginContainerImpl::isPrintScalingDisabled() const |
| { |
| return m_webPlugin->isPrintScalingDisabled(); |
| } |
| |
| bool WebPluginContainerImpl::getPrintPresetOptionsFromDocument(WebPrintPresetOptions* presetOptions) const |
| { |
| return m_webPlugin->getPrintPresetOptionsFromDocument(presetOptions); |
| } |
| |
| int WebPluginContainerImpl::printBegin(const WebPrintParams& printParams) const |
| { |
| return m_webPlugin->printBegin(printParams); |
| } |
| |
| void WebPluginContainerImpl::printPage(int pageNumber, GraphicsContext& gc, const IntRect& printRect) |
| { |
| if (LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(gc, *m_element->layoutObject(), DisplayItem::Type::WebPlugin)) |
| return; |
| |
| LayoutObjectDrawingRecorder drawingRecorder(gc, *m_element->layoutObject(), DisplayItem::Type::WebPlugin, printRect); |
| gc.save(); |
| WebCanvas* canvas = gc.canvas(); |
| m_webPlugin->printPage(pageNumber, canvas); |
| gc.restore(); |
| } |
| |
| void WebPluginContainerImpl::printEnd() |
| { |
| m_webPlugin->printEnd(); |
| } |
| |
| void WebPluginContainerImpl::copy() |
| { |
| if (!m_webPlugin->hasSelection()) |
| return; |
| |
| Platform::current()->clipboard()->writeHTML(m_webPlugin->selectionAsMarkup(), WebURL(), m_webPlugin->selectionAsText(), false); |
| } |
| |
| bool WebPluginContainerImpl::executeEditCommand(const WebString& name) |
| { |
| if (m_webPlugin->executeEditCommand(name)) |
| return true; |
| |
| if (name != "Copy") |
| return false; |
| |
| copy(); |
| return true; |
| } |
| |
| bool WebPluginContainerImpl::executeEditCommand(const WebString& name, const WebString& value) |
| { |
| return m_webPlugin->executeEditCommand(name, value); |
| } |
| |
| WebElement WebPluginContainerImpl::element() |
| { |
| return WebElement(m_element); |
| } |
| |
| void WebPluginContainerImpl::dispatchProgressEvent(const WebString& type, bool lengthComputable, unsigned long long loaded, unsigned long long total, const WebString& url) |
| { |
| ProgressEvent* event; |
| if (url.isEmpty()) { |
| event = ProgressEvent::create(type, lengthComputable, loaded, total); |
| } else { |
| event = ResourceProgressEvent::create(type, lengthComputable, loaded, total, url); |
| } |
| m_element->dispatchEvent(event); |
| } |
| |
| void WebPluginContainerImpl::enqueueMessageEvent(const WebDOMMessageEvent& event) |
| { |
| static_cast<Event*>(event)->setTarget(m_element); |
| m_element->getExecutionContext()->getEventQueue()->enqueueEvent(event); |
| } |
| |
| void WebPluginContainerImpl::invalidate() |
| { |
| Widget::invalidate(); |
| } |
| |
| void WebPluginContainerImpl::invalidateRect(const WebRect& rect) |
| { |
| invalidateRect(static_cast<IntRect>(rect)); |
| } |
| |
| void WebPluginContainerImpl::scrollRect(const WebRect& rect) |
| { |
| invalidateRect(rect); |
| } |
| |
| void WebPluginContainerImpl::scheduleAnimation() |
| { |
| if (auto* frameView = m_element->document().view()) |
| frameView->scheduleAnimation(); |
| } |
| |
| void WebPluginContainerImpl::reportGeometry() |
| { |
| // We cannot compute geometry without a parent or layoutObject. |
| if (!parent() || !m_element || !m_element->layoutObject()) |
| return; |
| |
| IntRect windowRect, clipRect, unobscuredRect; |
| Vector<IntRect> cutOutRects; |
| calculateGeometry(windowRect, clipRect, unobscuredRect, cutOutRects); |
| m_webPlugin->updateGeometry(windowRect, clipRect, unobscuredRect, cutOutRects, isVisible()); |
| } |
| |
| v8::Local<v8::Object> WebPluginContainerImpl::v8ObjectForElement() |
| { |
| LocalFrame* frame = m_element->document().frame(); |
| if (!frame) |
| return v8::Local<v8::Object>(); |
| |
| if (!frame->script().canExecuteScripts(NotAboutToExecuteScript)) |
| return v8::Local<v8::Object>(); |
| |
| ScriptState* scriptState = ScriptState::forMainWorld(frame); |
| if (!scriptState) |
| return v8::Local<v8::Object>(); |
| |
| v8::Local<v8::Value> v8value = toV8(m_element.get(), scriptState->context()->Global(), scriptState->isolate()); |
| if (v8value.IsEmpty()) |
| return v8::Local<v8::Object>(); |
| DCHECK(v8value->IsObject()); |
| |
| return v8::Local<v8::Object>::Cast(v8value); |
| } |
| |
| WebString WebPluginContainerImpl::executeScriptURL(const WebURL& url, bool popupsAllowed) |
| { |
| LocalFrame* frame = m_element->document().frame(); |
| if (!frame) |
| return WebString(); |
| |
| if (!m_element->document().contentSecurityPolicy()->allowJavaScriptURLs(m_element->document().url(), OrdinalNumber())) |
| return WebString(); |
| |
| const KURL& kurl = url; |
| DCHECK(kurl.protocolIs("javascript")); |
| |
| String script = decodeURLEscapeSequences( |
| kurl.getString().substring(strlen("javascript:"))); |
| |
| UserGestureIndicator gestureIndicator(popupsAllowed ? DefinitelyProcessingNewUserGesture : PossiblyProcessingUserGesture); |
| v8::HandleScope handleScope(toIsolate(frame)); |
| v8::Local<v8::Value> result = frame->script().executeScriptInMainWorldAndReturnValue(ScriptSourceCode(script)); |
| |
| // Failure is reported as a null string. |
| if (result.IsEmpty() || !result->IsString()) |
| return WebString(); |
| return toCoreString(v8::Local<v8::String>::Cast(result)); |
| } |
| |
| void WebPluginContainerImpl::loadFrameRequest(const WebURLRequest& request, const WebString& target) |
| { |
| LocalFrame* frame = m_element->document().frame(); |
| if (!frame || !frame->loader().documentLoader()) |
| return; // FIXME: send a notification in this case? |
| |
| FrameLoadRequest frameRequest(frame->document(), request.toResourceRequest(), target); |
| frame->loader().load(frameRequest); |
| } |
| |
| bool WebPluginContainerImpl::isRectTopmost(const WebRect& rect) |
| { |
| // Disallow access to the frame during dispose(), because it is not guaranteed to |
| // be valid memory once this object has started disposal. In particular, we might be being |
| // disposed because the frame has already be deleted and then something else dropped the |
| // last reference to the this object. |
| if (m_isDisposed || !m_element) |
| return false; |
| |
| LocalFrame* frame = m_element->document().frame(); |
| if (!frame) |
| return false; |
| |
| IntRect documentRect(x() + rect.x, y() + rect.y, rect.width, rect.height); |
| // hitTestResultAtPoint() takes a padding rectangle. |
| // FIXME: We'll be off by 1 when the width or height is even. |
| LayoutPoint center = documentRect.center(); |
| // Make the rect we're checking (the point surrounded by padding rects) contained inside the requested rect. (Note that -1/2 is 0.) |
| LayoutSize padding((documentRect.width() - 1) / 2, (documentRect.height() - 1) / 2); |
| HitTestResult result = frame->eventHandler().hitTestResultAtPoint(center, HitTestRequest::ReadOnly | HitTestRequest::Active | HitTestRequest::ListBased, padding); |
| const HitTestResult::NodeSet& nodes = result.listBasedTestResult(); |
| if (nodes.size() != 1) |
| return false; |
| return nodes.first().get() == m_element; |
| } |
| |
| void WebPluginContainerImpl::requestTouchEventType(TouchEventRequestType requestType) |
| { |
| if (m_touchEventRequestType == requestType || !m_element) |
| return; |
| |
| if (FrameHost* frameHost = m_element->document().frameHost()) { |
| EventHandlerRegistry& registry = frameHost->eventHandlerRegistry(); |
| if (requestType != TouchEventRequestTypeNone && m_touchEventRequestType == TouchEventRequestTypeNone) |
| registry.didAddEventHandler(*m_element, EventHandlerRegistry::TouchStartOrMoveEventBlocking); |
| else if (requestType == TouchEventRequestTypeNone && m_touchEventRequestType != TouchEventRequestTypeNone) |
| registry.didRemoveEventHandler(*m_element, EventHandlerRegistry::TouchStartOrMoveEventBlocking); |
| } |
| m_touchEventRequestType = requestType; |
| } |
| |
| void WebPluginContainerImpl::setWantsWheelEvents(bool wantsWheelEvents) |
| { |
| if (m_wantsWheelEvents == wantsWheelEvents) |
| return; |
| if (FrameHost* frameHost = m_element->document().frameHost()) { |
| EventHandlerRegistry& registry = frameHost->eventHandlerRegistry(); |
| if (wantsWheelEvents) |
| registry.didAddEventHandler(*m_element, EventHandlerRegistry::WheelEventBlocking); |
| else |
| registry.didRemoveEventHandler(*m_element, EventHandlerRegistry::WheelEventBlocking); |
| } |
| |
| m_wantsWheelEvents = wantsWheelEvents; |
| if (Page* page = m_element->document().page()) { |
| if (ScrollingCoordinator* scrollingCoordinator = page->scrollingCoordinator()) { |
| if (parent() && parent()->isFrameView()) |
| scrollingCoordinator->notifyGeometryChanged(); |
| } |
| } |
| } |
| |
| WebPoint WebPluginContainerImpl::rootFrameToLocalPoint(const WebPoint& pointInRootFrame) |
| { |
| FrameView* view = toFrameView(parent()); |
| if (!view) |
| return pointInRootFrame; |
| WebPoint pointInContent = view->rootFrameToContents(pointInRootFrame); |
| return roundedIntPoint(m_element->layoutObject()->absoluteToLocal(FloatPoint(pointInContent), UseTransforms)); |
| } |
| |
| WebPoint WebPluginContainerImpl::localToRootFramePoint(const WebPoint& pointInLocal) |
| { |
| FrameView* view = toFrameView(parent()); |
| if (!view) |
| return pointInLocal; |
| IntPoint absolutePoint = roundedIntPoint(m_element->layoutObject()->localToAbsolute(FloatPoint(pointInLocal), UseTransforms)); |
| return view->contentsToRootFrame(absolutePoint); |
| } |
| |
| void WebPluginContainerImpl::didReceiveResponse(const ResourceResponse& response) |
| { |
| // Make sure that the plugin receives window geometry before data, or else |
| // plugins misbehave. |
| frameRectsChanged(); |
| |
| WrappedResourceResponse urlResponse(response); |
| m_webPlugin->didReceiveResponse(urlResponse); |
| } |
| |
| void WebPluginContainerImpl::didReceiveData(const char *data, int dataLength) |
| { |
| m_webPlugin->didReceiveData(data, dataLength); |
| } |
| |
| void WebPluginContainerImpl::didFinishLoading() |
| { |
| m_webPlugin->didFinishLoading(); |
| } |
| |
| void WebPluginContainerImpl::didFailLoading(const ResourceError& error) |
| { |
| m_webPlugin->didFailLoading(error); |
| } |
| |
| WebLayer* WebPluginContainerImpl::platformLayer() const |
| { |
| return m_webLayer; |
| } |
| |
| v8::Local<v8::Object> WebPluginContainerImpl::scriptableObject(v8::Isolate* isolate) |
| { |
| // With Oilpan, on plugin element detach dispose() will be called to safely |
| // clear out references, including the pre-emptive destruction of the plugin. |
| // |
| // It clearly has no scriptable object if in such a disposed state. |
| if (!m_webPlugin) |
| return v8::Local<v8::Object>(); |
| |
| v8::Local<v8::Object> object = m_webPlugin->v8ScriptableObject(isolate); |
| |
| // If the plugin has been destroyed and the reference on the stack is the |
| // only one left, then don't return the scriptable object. |
| if (!m_webPlugin) |
| return v8::Local<v8::Object>(); |
| |
| return object; |
| } |
| |
| bool WebPluginContainerImpl::supportsKeyboardFocus() const |
| { |
| return m_webPlugin->supportsKeyboardFocus(); |
| } |
| |
| bool WebPluginContainerImpl::supportsInputMethod() const |
| { |
| return m_webPlugin->supportsInputMethod(); |
| } |
| |
| bool WebPluginContainerImpl::canProcessDrag() const |
| { |
| return m_webPlugin->canProcessDrag(); |
| } |
| |
| bool WebPluginContainerImpl::wantsWheelEvents() |
| { |
| return m_wantsWheelEvents; |
| } |
| |
| // Private methods ------------------------------------------------------------- |
| |
| WebPluginContainerImpl::WebPluginContainerImpl(HTMLPlugInElement* element, WebPlugin* webPlugin) |
| : LocalFrameLifecycleObserver(element->document().frame()) |
| , m_element(element) |
| , m_webPlugin(webPlugin) |
| , m_webLayer(nullptr) |
| , m_touchEventRequestType(TouchEventRequestTypeNone) |
| , m_wantsWheelEvents(false) |
| , m_isDisposed(false) |
| { |
| ThreadState::current()->registerPreFinalizer(this); |
| } |
| |
| WebPluginContainerImpl::~WebPluginContainerImpl() |
| { |
| // The plugin container must have been disposed of by now. |
| DCHECK(!m_webPlugin); |
| } |
| |
| void WebPluginContainerImpl::dispose() |
| { |
| m_isDisposed = true; |
| |
| requestTouchEventType(TouchEventRequestTypeNone); |
| setWantsWheelEvents(false); |
| |
| if (m_webPlugin) { |
| CHECK(m_webPlugin->container() == this); |
| m_webPlugin->destroy(); |
| m_webPlugin = nullptr; |
| } |
| |
| if (m_webLayer) { |
| GraphicsLayer::unregisterContentsLayer(m_webLayer); |
| m_webLayer = nullptr; |
| } |
| } |
| |
| DEFINE_TRACE(WebPluginContainerImpl) |
| { |
| visitor->trace(m_element); |
| LocalFrameLifecycleObserver::trace(visitor); |
| PluginView::trace(visitor); |
| } |
| |
| void WebPluginContainerImpl::handleMouseEvent(MouseEvent* event) |
| { |
| DCHECK(parent()->isFrameView()); |
| |
| // We cache the parent FrameView here as the plugin widget could be deleted |
| // in the call to HandleEvent. See http://b/issue?id=1362948 |
| FrameView* parentView = toFrameView(parent()); |
| |
| WebMouseEventBuilder webEvent(this, m_element->layoutObject(), *event); |
| if (webEvent.type == WebInputEvent::Undefined) |
| return; |
| |
| if (event->type() == EventTypeNames::mousedown) |
| focusPlugin(); |
| |
| WebCursorInfo cursorInfo; |
| if (m_webPlugin->handleInputEvent(webEvent, cursorInfo) != WebInputEventResult::NotHandled) |
| event->setDefaultHandled(); |
| |
| // A windowless plugin can change the cursor in response to a mouse move |
| // event. We need to reflect the changed cursor in the frame view as the |
| // mouse is moved in the boundaries of the windowless plugin. |
| Page* page = parentView->frame().page(); |
| if (!page) |
| return; |
| toChromeClientImpl(page->chromeClient()).setCursorForPlugin(cursorInfo, parentView->frame().localFrameRoot()); |
| } |
| |
| void WebPluginContainerImpl::handleDragEvent(MouseEvent* event) |
| { |
| DCHECK(event->isDragEvent()); |
| |
| WebDragStatus dragStatus = WebDragStatusUnknown; |
| if (event->type() == EventTypeNames::dragenter) |
| dragStatus = WebDragStatusEnter; |
| else if (event->type() == EventTypeNames::dragleave) |
| dragStatus = WebDragStatusLeave; |
| else if (event->type() == EventTypeNames::dragover) |
| dragStatus = WebDragStatusOver; |
| else if (event->type() == EventTypeNames::drop) |
| dragStatus = WebDragStatusDrop; |
| |
| if (dragStatus == WebDragStatusUnknown) |
| return; |
| |
| DataTransfer* dataTransfer = event->getDataTransfer(); |
| WebDragData dragData = dataTransfer->dataObject()->toWebDragData(); |
| WebDragOperationsMask dragOperationMask = static_cast<WebDragOperationsMask>(dataTransfer->sourceOperation()); |
| WebPoint dragScreenLocation(event->screenX(), event->screenY()); |
| WebPoint dragLocation(event->absoluteLocation().x() - location().x(), event->absoluteLocation().y() - location().y()); |
| |
| m_webPlugin->handleDragStatusUpdate(dragStatus, dragData, dragOperationMask, dragLocation, dragScreenLocation); |
| } |
| |
| void WebPluginContainerImpl::handleWheelEvent(WheelEvent* event) |
| { |
| WebMouseWheelEventBuilder webEvent(this, m_element->layoutObject(), *event); |
| if (webEvent.type == WebInputEvent::Undefined) |
| return; |
| |
| WebCursorInfo cursorInfo; |
| if (m_webPlugin->handleInputEvent(webEvent, cursorInfo) != WebInputEventResult::NotHandled) |
| event->setDefaultHandled(); |
| } |
| |
| void WebPluginContainerImpl::handleKeyboardEvent(KeyboardEvent* event) |
| { |
| WebKeyboardEventBuilder webEvent(*event); |
| if (webEvent.type == WebInputEvent::Undefined) |
| return; |
| |
| if (webEvent.type == WebInputEvent::KeyDown) { |
| #if OS(MACOSX) |
| if ((webEvent.modifiers & WebInputEvent::InputModifiers) == WebInputEvent::MetaKey |
| #else |
| if ((webEvent.modifiers & WebInputEvent::InputModifiers) == WebInputEvent::ControlKey |
| #endif |
| && (webEvent.windowsKeyCode == VKEY_C || webEvent.windowsKeyCode == VKEY_INSERT) |
| // Only copy if there's a selection, so that we only ever do this |
| // for Pepper plugins that support copying. Windowless NPAPI |
| // plugins will get the event as before. |
| && m_webPlugin->hasSelection()) { |
| copy(); |
| event->setDefaultHandled(); |
| return; |
| } |
| } |
| |
| const WebInputEvent* currentInputEvent = WebViewImpl::currentInputEvent(); |
| |
| // Copy stashed info over, and only copy here in order not to interfere |
| // the ctrl-c logic above. |
| if (currentInputEvent |
| && WebInputEvent::isKeyboardEventType(currentInputEvent->type)) { |
| webEvent.modifiers |= currentInputEvent->modifiers & |
| (WebInputEvent::CapsLockOn | WebInputEvent::NumLockOn); |
| } |
| |
| // Give the client a chance to issue edit comamnds. |
| WebViewImpl* view = WebViewImpl::fromPage(m_element->document().frame()->page()); |
| if (m_webPlugin->supportsEditCommands() && view->client()) |
| view->client()->handleCurrentKeyboardEvent(); |
| |
| WebCursorInfo cursorInfo; |
| if (m_webPlugin->handleInputEvent(webEvent, cursorInfo) != WebInputEventResult::NotHandled) |
| event->setDefaultHandled(); |
| } |
| |
| void WebPluginContainerImpl::handleTouchEvent(TouchEvent* event) |
| { |
| switch (m_touchEventRequestType) { |
| case TouchEventRequestTypeNone: |
| return; |
| case TouchEventRequestTypeRaw: { |
| WebTouchEventBuilder webEvent(m_element->layoutObject(), *event); |
| if (webEvent.type == WebInputEvent::Undefined) |
| return; |
| |
| if (event->type() == EventTypeNames::touchstart) |
| focusPlugin(); |
| |
| WebCursorInfo cursorInfo; |
| if (m_webPlugin->handleInputEvent(webEvent, cursorInfo) != WebInputEventResult::NotHandled) |
| event->setDefaultHandled(); |
| // FIXME: Can a plugin change the cursor from a touch-event callback? |
| return; |
| } |
| case TouchEventRequestTypeSynthesizedMouse: |
| synthesizeMouseEventIfPossible(event); |
| return; |
| } |
| } |
| |
| void WebPluginContainerImpl::handleGestureEvent(GestureEvent* event) |
| { |
| WebGestureEventBuilder webEvent(m_element->layoutObject(), *event); |
| if (webEvent.type == WebInputEvent::Undefined) |
| return; |
| if (event->type() == EventTypeNames::gesturetapdown) |
| focusPlugin(); |
| WebCursorInfo cursorInfo; |
| if (m_webPlugin->handleInputEvent(webEvent, cursorInfo) != WebInputEventResult::NotHandled) { |
| event->setDefaultHandled(); |
| return; |
| } |
| |
| // FIXME: Can a plugin change the cursor from a touch-event callback? |
| } |
| |
| void WebPluginContainerImpl::synthesizeMouseEventIfPossible(TouchEvent* event) |
| { |
| WebMouseEventBuilder webEvent(this, m_element->layoutObject(), *event); |
| if (webEvent.type == WebInputEvent::Undefined) |
| return; |
| |
| WebCursorInfo cursorInfo; |
| if (m_webPlugin->handleInputEvent(webEvent, cursorInfo) != WebInputEventResult::NotHandled) |
| event->setDefaultHandled(); |
| } |
| |
| void WebPluginContainerImpl::focusPlugin() |
| { |
| LocalFrame& containingFrame = toFrameView(parent())->frame(); |
| if (Page* currentPage = containingFrame.page()) |
| currentPage->focusController().setFocusedElement(m_element, &containingFrame); |
| else |
| containingFrame.document()->setFocusedElement(m_element, FocusParams(SelectionBehaviorOnFocus::None, WebFocusTypeNone, nullptr)); |
| } |
| |
| void WebPluginContainerImpl::issuePaintInvalidations() |
| { |
| if (m_pendingInvalidationRect.isEmpty()) |
| return; |
| |
| LayoutBox* layoutObject = toLayoutBox(m_element->layoutObject()); |
| if (!layoutObject) |
| return; |
| |
| layoutObject->invalidatePaintRectangle(LayoutRect(m_pendingInvalidationRect)); |
| m_pendingInvalidationRect = IntRect(); |
| } |
| |
| void WebPluginContainerImpl::computeClipRectsForPlugin( |
| const HTMLFrameOwnerElement* ownerElement, IntRect& windowRect, IntRect& clippedLocalRect, IntRect& unclippedIntLocalRect) const |
| { |
| DCHECK(ownerElement); |
| |
| if (!ownerElement->layoutObject()) { |
| clippedLocalRect = IntRect(); |
| unclippedIntLocalRect = IntRect(); |
| return; |
| } |
| |
| LayoutView* rootView = m_element->document().view()->layoutView(); |
| while (rootView->frame()->ownerLayoutObject()) |
| rootView = rootView->frame()->ownerLayoutObject()->view(); |
| |
| LayoutBox* box = toLayoutBox(ownerElement->layoutObject()); |
| |
| // Plugin frameRects are in absolute space within their frame. |
| FloatRect frameRectInOwnerElementSpace = box->absoluteToLocalQuad(FloatRect(frameRect()), UseTransforms).boundingBox(); |
| |
| LayoutRect unclippedAbsoluteRect(frameRectInOwnerElementSpace); |
| box->mapToVisualRectInAncestorSpace(rootView, unclippedAbsoluteRect); |
| |
| // The frameRect is already in absolute space of the local frame to the plugin. |
| windowRect = frameRect(); |
| // Map up to the root frame. |
| LayoutRect layoutWindowRect = |
| LayoutRect(m_element->document().view()->layoutView()->localToAbsoluteQuad(FloatQuad(FloatRect(frameRect())), TraverseDocumentBoundaries).boundingBox()); |
| // Finally, adjust for scrolling of the root frame, which the above does not take into account. |
| layoutWindowRect.moveBy(-rootView->viewRect().location()); |
| windowRect = pixelSnappedIntRect(layoutWindowRect); |
| |
| LayoutRect layoutClippedLocalRect = unclippedAbsoluteRect; |
| LayoutRect unclippedLayoutLocalRect = layoutClippedLocalRect; |
| layoutClippedLocalRect.intersect(LayoutRect(rootView->frameView()->visibleContentRect())); |
| |
| // TODO(chrishtr): intentionally ignore transform, because the positioning of frameRect() does also. This is probably wrong. |
| unclippedIntLocalRect = box->absoluteToLocalQuad(FloatRect(unclippedLayoutLocalRect), TraverseDocumentBoundaries).enclosingBoundingBox(); |
| // As a performance optimization, map the clipped rect separately if is different than the unclipped rect. |
| if (layoutClippedLocalRect != unclippedLayoutLocalRect) |
| clippedLocalRect = box->absoluteToLocalQuad(FloatRect(layoutClippedLocalRect), TraverseDocumentBoundaries).enclosingBoundingBox(); |
| else |
| clippedLocalRect = unclippedIntLocalRect; |
| } |
| |
| void WebPluginContainerImpl::calculateGeometry(IntRect& windowRect, IntRect& clipRect, IntRect& unobscuredRect, Vector<IntRect>& cutOutRects) |
| { |
| // document().layoutView() can be null when we receive messages from the |
| // plugins while we are destroying a frame. |
| // FIXME: Can we just check m_element->document().isActive() ? |
| if (m_element->layoutObject()->document().layoutView()) { |
| // Take our element and get the clip rect from the enclosing layer and |
| // frame view. |
| computeClipRectsForPlugin(m_element, windowRect, clipRect, unobscuredRect); |
| } |
| getPluginOcclusions(m_element, this->parent(), frameRect(), cutOutRects); |
| // Convert to the plugin position. |
| for (size_t i = 0; i < cutOutRects.size(); i++) |
| cutOutRects[i].move(-frameRect().x(), -frameRect().y()); |
| } |
| |
| } // namespace blink |