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| 1 /* |
| 2 * Copyright (c) 2010, Google Inc. All rights reserved. |
| 3 * |
| 4 * Redistribution and use in source and binary forms, with or without |
| 5 * modification, are permitted provided that the following conditions are |
| 6 * met: |
| 7 * |
| 8 * * Redistributions of source code must retain the above copyright |
| 9 * notice, this list of conditions and the following disclaimer. |
| 10 * * Redistributions in binary form must reproduce the above |
| 11 * copyright notice, this list of conditions and the following disclaimer |
| 12 * in the documentation and/or other materials provided with the |
| 13 * distribution. |
| 14 * * Neither the name of Google Inc. nor the names of its |
| 15 * contributors may be used to endorse or promote products derived from |
| 16 * this software without specific prior written permission. |
| 17 * |
| 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 29 */ |
| 30 |
| 31 |
| 32 #ifndef LayerRendererSkia_h |
| 33 #define LayerRendererSkia_h |
| 34 |
| 35 #if USE(ACCELERATED_COMPOSITING) |
| 36 |
| 37 #include "LayerSkia.h" |
| 38 #include <wtf/Noncopyable.h> |
| 39 |
| 40 #include <wtf/PassOwnPtr.h> |
| 41 #include <wtf/Vector.h> |
| 42 |
| 43 namespace skia { |
| 44 class PlatformCanvas; |
| 45 } |
| 46 |
| 47 namespace WebCore { |
| 48 |
| 49 class LayerRendererSkia : public Noncopyable { |
| 50 public: |
| 51 static PassOwnPtr<LayerRendererSkia> create(); |
| 52 |
| 53 LayerRendererSkia(); |
| 54 ~LayerRendererSkia(); |
| 55 |
| 56 void drawLayersInCanvas(skia::PlatformCanvas* canvas, SkRect clipRect); |
| 57 |
| 58 void updateLayerContents(); |
| 59 |
| 60 void setRootLayer(LayerSkia* layer) { m_rootLayer = layer; } |
| 61 LayerSkia* rootLayer() { return m_rootLayer.get(); } |
| 62 |
| 63 void setNeedsDisplay() { m_needsDisplay = true; } |
| 64 |
| 65 void setScrollFrame(SkIRect& scrollFrame) { m_scrollFrame = scrollFrame; } |
| 66 |
| 67 private: |
| 68 void drawLayerInCanvasRecursive(skia::PlatformCanvas* canvas, LayerSkia* lay
er, float opacity); |
| 69 void updateLayerContentsRecursive(LayerSkia* layer); |
| 70 |
| 71 RefPtr<LayerSkia> m_rootLayer; |
| 72 |
| 73 bool m_needsDisplay; |
| 74 SkIRect m_scrollFrame; |
| 75 }; |
| 76 |
| 77 } |
| 78 |
| 79 #endif // USE(ACCELERATED_COMPOSITING) |
| 80 |
| 81 #endif // WKCACFLayer_h |
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