| /* |
| * 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 "config.h" |
| #include "PageWidgetDelegate.h" |
| |
| #include "PageOverlayList.h" |
| #include "WebInputEvent.h" |
| #include "WebInputEventConversion.h" |
| #include "core/page/AutoscrollController.h" |
| #include "core/page/EventHandler.h" |
| #include "core/frame/Frame.h" |
| #include "core/frame/FrameView.h" |
| #include "core/platform/graphics/GraphicsContext.h" |
| #include "core/rendering/RenderLayerCompositor.h" |
| #include "core/rendering/RenderView.h" |
| #include "wtf/CurrentTime.h" |
| |
| using namespace WebCore; |
| |
| namespace WebKit { |
| |
| static inline FrameView* mainFrameView(Page* page) |
| { |
| if (!page) |
| return 0; |
| // FIXME: Can we remove this check? |
| if (!page->mainFrame()) |
| return 0; |
| return page->mainFrame()->view(); |
| } |
| |
| void PageWidgetDelegate::animate(Page* page, double monotonicFrameBeginTime) |
| { |
| FrameView* view = mainFrameView(page); |
| if (!view) |
| return; |
| page->autoscrollController().animate(monotonicFrameBeginTime); |
| view->serviceScriptedAnimations(monotonicFrameBeginTime); |
| } |
| |
| void PageWidgetDelegate::layout(Page* page) |
| { |
| FrameView* view = mainFrameView(page); |
| if (!view) |
| return; |
| // In order for our child HWNDs (NativeWindowWidgets) to update properly, |
| // they need to be told that we are updating the screen. The problem is that |
| // the native widgets need to recalculate their clip region and not overlap |
| // any of our non-native widgets. To force the resizing, call |
| // setFrameRect(). This will be a quick operation for most frames, but the |
| // NativeWindowWidgets will update a proper clipping region. |
| view->setFrameRect(view->frameRect()); |
| |
| // setFrameRect may have the side-effect of causing existing page layout to |
| // be invalidated, so layout needs to be called last. |
| view->updateLayoutAndStyleIfNeededRecursive(); |
| |
| // For now, as we know this is the point in code where the compositor has |
| // actually asked for Blink to update the composited layer tree. So finally |
| // do all the deferred work for updateCompositingLayers() here. |
| view->renderView()->compositor()->updateCompositingLayers(CompositingUpdateFinishAllDeferredWork); |
| } |
| |
| void PageWidgetDelegate::paint(Page* page, PageOverlayList* overlays, WebCanvas* canvas, const WebRect& rect, CanvasBackground background) |
| { |
| if (rect.isEmpty()) |
| return; |
| GraphicsContext gc(canvas); |
| gc.setCertainlyOpaque(background == Opaque); |
| gc.applyDeviceScaleFactor(page->deviceScaleFactor()); |
| gc.setUseHighResMarkers(page->deviceScaleFactor() > 1.5f); |
| IntRect dirtyRect(rect); |
| gc.save(); |
| FrameView* view = mainFrameView(page); |
| // FIXME: Can we remove the mainFrame()->document() check? |
| if (view && page->mainFrame()->document()) { |
| gc.clip(dirtyRect); |
| view->paint(&gc, dirtyRect); |
| if (overlays) |
| overlays->paintWebFrame(gc); |
| } else { |
| gc.fillRect(dirtyRect, Color::white); |
| } |
| gc.restore(); |
| } |
| |
| bool PageWidgetDelegate::handleInputEvent(Page* page, PageWidgetEventHandler& handler, const WebInputEvent& event) |
| { |
| Frame* frame = page ? page->mainFrame() : 0; |
| 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). |
| case WebInputEvent::MouseMove: |
| if (!frame || !frame->view()) |
| return true; |
| handler.handleMouseMove(*frame, *static_cast<const WebMouseEvent*>(&event)); |
| return true; |
| case WebInputEvent::MouseLeave: |
| if (!frame || !frame->view()) |
| return true; |
| handler.handleMouseLeave(*frame, *static_cast<const WebMouseEvent*>(&event)); |
| return true; |
| case WebInputEvent::MouseDown: |
| if (!frame || !frame->view()) |
| return true; |
| handler.handleMouseDown(*frame, *static_cast<const WebMouseEvent*>(&event)); |
| return true; |
| case WebInputEvent::MouseUp: |
| if (!frame || !frame->view()) |
| return true; |
| handler.handleMouseUp(*frame, *static_cast<const WebMouseEvent*>(&event)); |
| return true; |
| |
| case WebInputEvent::MouseWheel: |
| if (!frame || !frame->view()) |
| return false; |
| return handler.handleMouseWheel(*frame, *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::GestureScrollUpdateWithoutPropagation: |
| 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: |
| if (!frame || !frame->view()) |
| return false; |
| return handler.handleTouchEvent(*frame, *static_cast<const WebTouchEvent*>(&event)); |
| |
| case WebInputEvent::GesturePinchBegin: |
| case WebInputEvent::GesturePinchEnd: |
| case WebInputEvent::GesturePinchUpdate: |
| // FIXME: Once PlatformGestureEvent is updated to support pinch, this |
| // should call handleGestureEvent, just like it currently does for |
| // gesture scroll. |
| return false; |
| |
| default: |
| return false; |
| } |
| } |
| |
| // ---------------------------------------------------------------- |
| // Default handlers for PageWidgetEventHandler |
| |
| void PageWidgetEventHandler::handleMouseMove(Frame& mainFrame, const WebMouseEvent& event) |
| { |
| mainFrame.eventHandler().handleMouseMoveEvent(PlatformMouseEventBuilder(mainFrame.view(), event)); |
| } |
| |
| void PageWidgetEventHandler::handleMouseLeave(Frame& mainFrame, const WebMouseEvent& event) |
| { |
| mainFrame.eventHandler().handleMouseLeaveEvent(PlatformMouseEventBuilder(mainFrame.view(), event)); |
| } |
| |
| void PageWidgetEventHandler::handleMouseDown(Frame& mainFrame, const WebMouseEvent& event) |
| { |
| mainFrame.eventHandler().handleMousePressEvent(PlatformMouseEventBuilder(mainFrame.view(), event)); |
| } |
| |
| void PageWidgetEventHandler::handleMouseUp(Frame& mainFrame, const WebMouseEvent& event) |
| { |
| mainFrame.eventHandler().handleMouseReleaseEvent(PlatformMouseEventBuilder(mainFrame.view(), event)); |
| } |
| |
| bool PageWidgetEventHandler::handleMouseWheel(Frame& mainFrame, const WebMouseWheelEvent& event) |
| { |
| return mainFrame.eventHandler().handleWheelEvent(PlatformWheelEventBuilder(mainFrame.view(), event)); |
| } |
| |
| bool PageWidgetEventHandler::handleTouchEvent(Frame& mainFrame, const WebTouchEvent& event) |
| { |
| return mainFrame.eventHandler().handleTouchEvent(PlatformTouchEventBuilder(mainFrame.view(), event)); |
| } |
| |
| } |