| /* |
| * 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. |
| */ |
| |
| #ifndef PageWidgetDelegate_h |
| #define PageWidgetDelegate_h |
| |
| #include "public/platform/WebCanvas.h" |
| #include "public/web/WebWidget.h" |
| #include "wtf/OwnPtr.h" |
| |
| namespace blink { |
| |
| class LocalFrame; |
| class Page; |
| class PageOverlayList; |
| class WebGestureEvent; |
| class WebInputEvent; |
| class WebKeyboardEvent; |
| class WebMouseEvent; |
| class WebMouseWheelEvent; |
| class WebTouchEvent; |
| |
| class PageWidgetEventHandler { |
| public: |
| virtual void handleMouseMove(LocalFrame& mainFrame, const WebMouseEvent&); |
| virtual void handleMouseLeave(LocalFrame& mainFrame, const WebMouseEvent&); |
| virtual void handleMouseDown(LocalFrame& mainFrame, const WebMouseEvent&); |
| virtual void handleMouseUp(LocalFrame& mainFrame, const WebMouseEvent&); |
| virtual bool handleMouseWheel(LocalFrame& mainFrame, const WebMouseWheelEvent&); |
| virtual bool handleKeyEvent(const WebKeyboardEvent&) = 0; |
| virtual bool handleCharEvent(const WebKeyboardEvent&) = 0; |
| virtual bool handleGestureEvent(const WebGestureEvent&) = 0; |
| virtual bool handleTouchEvent(LocalFrame& mainFrame, const WebTouchEvent&); |
| virtual ~PageWidgetEventHandler() { } |
| }; |
| |
| |
| // Common implementation of WebViewImpl and WebPagePopupImpl. |
| class PageWidgetDelegate { |
| public: |
| enum CanvasBackground { |
| Opaque, |
| Translucent, |
| }; |
| // rootFrame arguments indicate a root localFrame from which to start performing the |
| // specified operation. If rootFrame is 0, these methods will attempt to use the |
| // Page's mainFrame(), if it is a LocalFrame. |
| static void animate(Page&, double monotonicFrameBeginTime, LocalFrame& root); |
| static void layout(Page&, LocalFrame& root); |
| static void paint(Page&, PageOverlayList*, WebCanvas*, const WebRect&, CanvasBackground, LocalFrame& root); |
| static bool handleInputEvent(PageWidgetEventHandler&, const WebInputEvent&, LocalFrame* root); |
| |
| private: |
| PageWidgetDelegate() { } |
| }; |
| |
| } |
| #endif |