| /* |
| * Copyright (C) 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/PageWidgetDelegate.h" |
| |
| #include "core/frame/FrameView.h" |
| #include "core/frame/LocalFrame.h" |
| #include "core/input/EventHandler.h" |
| #include "core/layout/compositing/PaintLayerCompositor.h" |
| #include "core/page/AutoscrollController.h" |
| #include "core/page/Page.h" |
| #include "core/paint/TransformRecorder.h" |
| #include "platform/graphics/GraphicsContext.h" |
| #include "platform/graphics/paint/ClipRecorder.h" |
| #include "platform/graphics/paint/CullRect.h" |
| #include "platform/graphics/paint/DrawingRecorder.h" |
| #include "platform/graphics/paint/SkPictureBuilder.h" |
| #include "platform/transforms/AffineTransform.h" |
| #include "public/web/WebInputEvent.h" |
| #include "web/WebInputEventConversion.h" |
| #include "wtf/CurrentTime.h" |
| |
| namespace blink { |
| |
| void PageWidgetDelegate::animate(Page& page, double monotonicFrameBeginTime) { |
| page.autoscrollController().animate(monotonicFrameBeginTime); |
| page.animator().serviceScriptedAnimations(monotonicFrameBeginTime); |
| } |
| |
| void PageWidgetDelegate::updateAllLifecyclePhases(Page& page, |
| LocalFrame& root) { |
| page.animator().updateAllLifecyclePhases(root); |
| } |
| |
| static void paintInternal(Page& page, |
| WebCanvas* canvas, |
| const WebRect& rect, |
| LocalFrame& root, |
| const GlobalPaintFlags globalPaintFlags) { |
| if (rect.isEmpty()) |
| return; |
| |
| IntRect intRect(rect); |
| SkPictureBuilder pictureBuilder(intRect); |
| { |
| GraphicsContext& paintContext = pictureBuilder.context(); |
| |
| // FIXME: device scale factor settings are layering violations and should |
| // not be used within Blink paint code. |
| float scaleFactor = page.deviceScaleFactor(); |
| paintContext.setDeviceScaleFactor(scaleFactor); |
| |
| AffineTransform scale; |
| scale.scale(scaleFactor); |
| TransformRecorder scaleRecorder(paintContext, pictureBuilder, scale); |
| |
| IntRect dirtyRect(rect); |
| FrameView* view = root.view(); |
| if (view) { |
| ClipRecorder clipRecorder(paintContext, pictureBuilder, |
| DisplayItem::kPageWidgetDelegateClip, |
| dirtyRect); |
| view->paint(paintContext, globalPaintFlags, CullRect(dirtyRect)); |
| } else { |
| DrawingRecorder drawingRecorder( |
| paintContext, pictureBuilder, |
| DisplayItem::kPageWidgetDelegateBackgroundFallback, dirtyRect); |
| paintContext.fillRect(dirtyRect, Color::white); |
| } |
| } |
| pictureBuilder.endRecording()->playback(canvas); |
| } |
| |
| void PageWidgetDelegate::paint(Page& page, |
| WebCanvas* canvas, |
| const WebRect& rect, |
| LocalFrame& root) { |
| paintInternal(page, canvas, rect, root, GlobalPaintNormalPhase); |
| } |
| |
| void PageWidgetDelegate::paintIgnoringCompositing(Page& page, |
| WebCanvas* canvas, |
| const WebRect& rect, |
| LocalFrame& root) { |
| paintInternal(page, canvas, rect, root, GlobalPaintFlattenCompositingLayers); |
| } |
| |
| WebInputEventResult PageWidgetDelegate::handleInputEvent( |
| PageWidgetEventHandler& handler, |
| const WebInputEvent& event, |
| LocalFrame* root) { |
| if (event.modifiers & WebInputEvent::IsTouchAccessibility && |
| WebInputEvent::isMouseEventType(event.type)) { |
| PlatformMouseEventBuilder pme(root->view(), |
| static_cast<const WebMouseEvent&>(event)); |
| |
| IntPoint docPoint(root->view()->rootFrameToContents(pme.position())); |
| HitTestResult result = root->eventHandler().hitTestResultAtPoint( |
| docPoint, HitTestRequest::ReadOnly | HitTestRequest::Active); |
| result.setToShadowHostIfInUserAgentShadowRoot(); |
| if (result.innerNodeFrame()) { |
| Document* document = result.innerNodeFrame()->document(); |
| if (document) { |
| AXObjectCache* cache = document->existingAXObjectCache(); |
| if (cache) |
| cache->onTouchAccessibilityHover( |
| result.roundedPointInInnerNodeFrame()); |
| } |
| } |
| } |
| |
| switch (event.type) { |
| // FIXME: WebKit seems to always return false on mouse events processing |
| // methods. For now we'll assume it has processed them (as we are only |
| // interested in whether keyboard events are processed). |
| // FIXME: Why do we return HandleSuppressed when there is no root or |
| // the root is detached? |
| case WebInputEvent::MouseMove: |
| if (!root || !root->view()) |
| return WebInputEventResult::HandledSuppressed; |
| handler.handleMouseMove(*root, static_cast<const WebMouseEvent&>(event)); |
| return WebInputEventResult::HandledSystem; |
| case WebInputEvent::MouseLeave: |
| if (!root || !root->view()) |
| return WebInputEventResult::HandledSuppressed; |
| handler.handleMouseLeave(*root, static_cast<const WebMouseEvent&>(event)); |
| return WebInputEventResult::HandledSystem; |
| case WebInputEvent::MouseDown: |
| if (!root || !root->view()) |
| return WebInputEventResult::HandledSuppressed; |
| handler.handleMouseDown(*root, static_cast<const WebMouseEvent&>(event)); |
| return WebInputEventResult::HandledSystem; |
| case WebInputEvent::MouseUp: |
| if (!root || !root->view()) |
| return WebInputEventResult::HandledSuppressed; |
| handler.handleMouseUp(*root, static_cast<const WebMouseEvent&>(event)); |
| return WebInputEventResult::HandledSystem; |
| case WebInputEvent::MouseWheel: |
| if (!root || !root->view()) |
| return WebInputEventResult::NotHandled; |
| return handler.handleMouseWheel( |
| *root, static_cast<const WebMouseWheelEvent&>(event)); |
| |
| case WebInputEvent::RawKeyDown: |
| case WebInputEvent::KeyDown: |
| case WebInputEvent::KeyUp: |
| return handler.handleKeyEvent( |
| static_cast<const WebKeyboardEvent&>(event)); |
| |
| case WebInputEvent::Char: |
| return handler.handleCharEvent( |
| static_cast<const WebKeyboardEvent&>(event)); |
| case WebInputEvent::GestureScrollBegin: |
| case WebInputEvent::GestureScrollEnd: |
| case WebInputEvent::GestureScrollUpdate: |
| case WebInputEvent::GestureFlingStart: |
| case WebInputEvent::GestureFlingCancel: |
| case WebInputEvent::GestureTap: |
| case WebInputEvent::GestureTapUnconfirmed: |
| case WebInputEvent::GestureTapDown: |
| case WebInputEvent::GestureShowPress: |
| case WebInputEvent::GestureTapCancel: |
| case WebInputEvent::GestureDoubleTap: |
| case WebInputEvent::GestureTwoFingerTap: |
| case WebInputEvent::GestureLongPress: |
| case WebInputEvent::GestureLongTap: |
| return handler.handleGestureEvent( |
| static_cast<const WebGestureEvent&>(event)); |
| |
| case WebInputEvent::TouchStart: |
| case WebInputEvent::TouchMove: |
| case WebInputEvent::TouchEnd: |
| case WebInputEvent::TouchCancel: |
| case WebInputEvent::TouchScrollStarted: |
| if (!root || !root->view()) |
| return WebInputEventResult::NotHandled; |
| return handler.handleTouchEvent(*root, |
| static_cast<const WebTouchEvent&>(event)); |
| case WebInputEvent::GesturePinchBegin: |
| case WebInputEvent::GesturePinchEnd: |
| case WebInputEvent::GesturePinchUpdate: |
| // Touchscreen pinch events are currently not handled in main thread. |
| // Once they are, these should be passed to |handleGestureEvent| similar |
| // to gesture scroll events. |
| return WebInputEventResult::NotHandled; |
| default: |
| return WebInputEventResult::NotHandled; |
| } |
| } |
| |
| // ---------------------------------------------------------------- |
| // Default handlers for PageWidgetEventHandler |
| |
| void PageWidgetEventHandler::handleMouseMove(LocalFrame& mainFrame, |
| const WebMouseEvent& event) { |
| mainFrame.eventHandler().handleMouseMoveEvent( |
| PlatformMouseEventBuilder(mainFrame.view(), event)); |
| } |
| |
| void PageWidgetEventHandler::handleMouseLeave(LocalFrame& mainFrame, |
| const WebMouseEvent& event) { |
| mainFrame.eventHandler().handleMouseLeaveEvent( |
| PlatformMouseEventBuilder(mainFrame.view(), event)); |
| } |
| |
| void PageWidgetEventHandler::handleMouseDown(LocalFrame& mainFrame, |
| const WebMouseEvent& event) { |
| mainFrame.eventHandler().handleMousePressEvent( |
| PlatformMouseEventBuilder(mainFrame.view(), event)); |
| } |
| |
| void PageWidgetEventHandler::handleMouseUp(LocalFrame& mainFrame, |
| const WebMouseEvent& event) { |
| mainFrame.eventHandler().handleMouseReleaseEvent( |
| PlatformMouseEventBuilder(mainFrame.view(), event)); |
| } |
| |
| WebInputEventResult PageWidgetEventHandler::handleMouseWheel( |
| LocalFrame& mainFrame, |
| const WebMouseWheelEvent& event) { |
| return mainFrame.eventHandler().handleWheelEvent( |
| PlatformWheelEventBuilder(mainFrame.view(), event)); |
| } |
| |
| WebInputEventResult PageWidgetEventHandler::handleTouchEvent( |
| LocalFrame& mainFrame, |
| const WebTouchEvent& event) { |
| return mainFrame.eventHandler().handleTouchEvent( |
| PlatformTouchEventBuilder(mainFrame.view(), event)); |
| } |
| |
| } // namespace blink |
