1 /* 2 * Copyright 2010, The Android Open Source Project 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * * Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * * Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef BaseLayerAndroid_h 27 #define BaseLayerAndroid_h 28 29 #include "Color.h" 30 #include "GLWebViewState.h" 31 #include "IntRect.h" 32 #include "Layer.h" 33 #include "PictureSet.h" 34 #include "SkPicture.h" 35 36 namespace WebCore { 37 38 class BaseLayerAndroid : public Layer { 39 40 public: 41 enum ScrollState { 42 NotScrolling = 0, 43 Scrolling = 1, 44 ScrollingFinishPaint = 2 45 }; 46 47 BaseLayerAndroid(); 48 virtual ~BaseLayerAndroid(); 49 50 #if USE(ACCELERATED_COMPOSITING) setGLWebViewState(GLWebViewState * infos)51 void setGLWebViewState(GLWebViewState* infos) { m_glWebViewState = infos; } setBackgroundColor(Color & color)52 void setBackgroundColor(Color& color) { m_color = color; } getBackgroundColor()53 Color getBackgroundColor() { return m_color; } 54 #endif 55 void setContent(const android::PictureSet& src); 56 void setExtra(SkPicture& extra); content()57 android::PictureSet* content() { return &m_content; } 58 // This method will paint using the current PictureSet onto 59 // the passed canvas. We used it to paint the GL tiles as well as 60 // WebView::copyBaseContentToPicture(), so a lock is necessary as 61 // we are running in different threads. 62 void drawCanvas(SkCanvas* canvas); 63 64 bool drawGL(double currentTime, LayerAndroid* compositedRoot, IntRect& rect, 65 SkRect& viewport, float scale, bool* buffersSwappedPtr); swapExtra(BaseLayerAndroid * base)66 void swapExtra(BaseLayerAndroid* base) { m_extra.swap(base->m_extra); } 67 private: 68 #if USE(ACCELERATED_COMPOSITING) 69 void prefetchBasePicture(SkRect& viewport, float currentScale, 70 TiledPage* prefetchTiledPage); 71 bool drawBasePictureInGL(SkRect& viewport, float scale, double currentTime, 72 bool* buffersSwappedPtr); 73 74 GLWebViewState* m_glWebViewState; 75 android::Mutex m_drawLock; 76 Color m_color; 77 #endif 78 android::PictureSet m_content; 79 SkPicture m_extra; 80 SkRect m_previousVisible; 81 82 ScrollState m_scrollState; 83 }; 84 85 } // namespace WebCore 86 87 #endif // BaseLayerAndroid_h 88