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| 1 /* | 1 /* |
| 2 * Copyright (C) 2009 Apple Inc. All rights reserved. | 2 * Copyright (C) 2009 Apple Inc. All rights reserved. |
| 3 * | 3 * |
| 4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
| 5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
| 6 * are met: | 6 * are met: |
| 7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
| 8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
| 10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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| 55 RemoveFromSquashingLayer | 55 RemoveFromSquashingLayer |
| 56 }; | 56 }; |
| 57 | 57 |
| 58 // RenderLayerCompositor manages the hierarchy of | 58 // RenderLayerCompositor manages the hierarchy of |
| 59 // composited RenderLayers. It determines which RenderLayers | 59 // composited RenderLayers. It determines which RenderLayers |
| 60 // become compositing, and creates and maintains a hierarchy of | 60 // become compositing, and creates and maintains a hierarchy of |
| 61 // GraphicsLayers based on the RenderLayer painting order. | 61 // GraphicsLayers based on the RenderLayer painting order. |
| 62 // | 62 // |
| 63 // There is one RenderLayerCompositor per RenderView. | 63 // There is one RenderLayerCompositor per RenderView. |
| 64 | 64 |
| 65 class RenderLayerCompositor FINAL : public GraphicsLayerClient { | 65 class RenderLayerCompositor final : public GraphicsLayerClient { |
| 66 WTF_MAKE_FAST_ALLOCATED; | 66 WTF_MAKE_FAST_ALLOCATED; |
| 67 public: | 67 public: |
| 68 explicit RenderLayerCompositor(RenderView&); | 68 explicit RenderLayerCompositor(RenderView&); |
| 69 virtual ~RenderLayerCompositor(); | 69 virtual ~RenderLayerCompositor(); |
| 70 | 70 |
| 71 void updateIfNeededRecursive(); | 71 void updateIfNeededRecursive(); |
| 72 | 72 |
| 73 // Return true if this RenderView is in "compositing mode" (i.e. has one or
more | 73 // Return true if this RenderView is in "compositing mode" (i.e. has one or
more |
| 74 // composited RenderLayers) | 74 // composited RenderLayers) |
| 75 bool inCompositingMode() const; | 75 bool inCompositingMode() const; |
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| 147 | 147 |
| 148 String layerTreeAsText(LayerTreeFlags); | 148 String layerTreeAsText(LayerTreeFlags); |
| 149 | 149 |
| 150 GraphicsLayer* layerForHorizontalScrollbar() const { return m_layerForHorizo
ntalScrollbar.get(); } | 150 GraphicsLayer* layerForHorizontalScrollbar() const { return m_layerForHorizo
ntalScrollbar.get(); } |
| 151 GraphicsLayer* layerForVerticalScrollbar() const { return m_layerForVertical
Scrollbar.get(); } | 151 GraphicsLayer* layerForVerticalScrollbar() const { return m_layerForVertical
Scrollbar.get(); } |
| 152 GraphicsLayer* layerForScrollCorner() const { return m_layerForScrollCorner.
get(); } | 152 GraphicsLayer* layerForScrollCorner() const { return m_layerForScrollCorner.
get(); } |
| 153 | 153 |
| 154 void resetTrackedPaintInvalidationRects(); | 154 void resetTrackedPaintInvalidationRects(); |
| 155 void setTracksPaintInvalidations(bool); | 155 void setTracksPaintInvalidations(bool); |
| 156 | 156 |
| 157 virtual String debugName(const GraphicsLayer*) OVERRIDE; | 157 virtual String debugName(const GraphicsLayer*) override; |
| 158 DocumentLifecycle& lifecycle() const; | 158 DocumentLifecycle& lifecycle() const; |
| 159 | 159 |
| 160 void updatePotentialCompositingReasonsFromStyle(RenderLayer*); | 160 void updatePotentialCompositingReasonsFromStyle(RenderLayer*); |
| 161 | 161 |
| 162 // Whether the layer could ever be composited. | 162 // Whether the layer could ever be composited. |
| 163 bool canBeComposited(const RenderLayer*) const; | 163 bool canBeComposited(const RenderLayer*) const; |
| 164 | 164 |
| 165 // FIXME: Move allocateOrClearCompositedLayerMapping to CompositingLayerAssi
gner once we've fixed | 165 // FIXME: Move allocateOrClearCompositedLayerMapping to CompositingLayerAssi
gner once we've fixed |
| 166 // the compositing chicken/egg issues. | 166 // the compositing chicken/egg issues. |
| 167 bool allocateOrClearCompositedLayerMapping(RenderLayer*, CompositingStateTra
nsitionType compositedLayerUpdate); | 167 bool allocateOrClearCompositedLayerMapping(RenderLayer*, CompositingStateTra
nsitionType compositedLayerUpdate); |
| 168 | 168 |
| 169 void updateDirectCompositingReasons(RenderLayer*); | 169 void updateDirectCompositingReasons(RenderLayer*); |
| 170 | 170 |
| 171 void setOverlayLayer(GraphicsLayer*); | 171 void setOverlayLayer(GraphicsLayer*); |
| 172 | 172 |
| 173 bool inOverlayFullscreenVideo() const { return m_inOverlayFullscreenVideo; } | 173 bool inOverlayFullscreenVideo() const { return m_inOverlayFullscreenVideo; } |
| 174 | 174 |
| 175 private: | 175 private: |
| 176 #if ENABLE(ASSERT) | 176 #if ENABLE(ASSERT) |
| 177 void assertNoUnresolvedDirtyBits(); | 177 void assertNoUnresolvedDirtyBits(); |
| 178 #endif | 178 #endif |
| 179 | 179 |
| 180 // GraphicsLayerClient implementation | 180 // GraphicsLayerClient implementation |
| 181 virtual void notifyAnimationStarted(const GraphicsLayer*, double) OVERRIDE {
} | 181 virtual void notifyAnimationStarted(const GraphicsLayer*, double) override {
} |
| 182 virtual void paintContents(const GraphicsLayer*, GraphicsContext&, GraphicsL
ayerPaintingPhase, const IntRect&) OVERRIDE; | 182 virtual void paintContents(const GraphicsLayer*, GraphicsContext&, GraphicsL
ayerPaintingPhase, const IntRect&) override; |
| 183 | 183 |
| 184 virtual bool isTrackingPaintInvalidations() const OVERRIDE; | 184 virtual bool isTrackingPaintInvalidations() const override; |
| 185 | 185 |
| 186 void updateWithoutAcceleratedCompositing(CompositingUpdateType); | 186 void updateWithoutAcceleratedCompositing(CompositingUpdateType); |
| 187 void updateIfNeeded(); | 187 void updateIfNeeded(); |
| 188 | 188 |
| 189 void ensureRootLayer(); | 189 void ensureRootLayer(); |
| 190 void destroyRootLayer(); | 190 void destroyRootLayer(); |
| 191 | 191 |
| 192 void attachRootLayer(RootLayerAttachment); | 192 void attachRootLayer(RootLayerAttachment); |
| 193 void detachRootLayer(); | 193 void detachRootLayer(); |
| 194 | 194 |
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| 245 #if USE(RUBBER_BANDING) | 245 #if USE(RUBBER_BANDING) |
| 246 OwnPtr<GraphicsLayer> m_layerForOverhangShadow; | 246 OwnPtr<GraphicsLayer> m_layerForOverhangShadow; |
| 247 #endif | 247 #endif |
| 248 | 248 |
| 249 bool m_inOverlayFullscreenVideo; | 249 bool m_inOverlayFullscreenVideo; |
| 250 }; | 250 }; |
| 251 | 251 |
| 252 } // namespace blink | 252 } // namespace blink |
| 253 | 253 |
| 254 #endif // RenderLayerCompositor_h | 254 #endif // RenderLayerCompositor_h |
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