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| 1 // Copyright 2011 The Chromium Authors. All rights reserved. | 1 // Copyright 2011 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef CC_LAYER_TREE_HOST_IMPL_H_ | 5 #ifndef CC_LAYER_TREE_HOST_IMPL_H_ |
| 6 #define CC_LAYER_TREE_HOST_IMPL_H_ | 6 #define CC_LAYER_TREE_HOST_IMPL_H_ |
| 7 | 7 |
| 8 #include "FloatPoint.h" | |
| 9 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
| 10 #include "base/memory/scoped_ptr.h" | 9 #include "base/memory/scoped_ptr.h" |
| 11 #include "base/time.h" | 10 #include "base/time.h" |
| 12 #include "cc/animation_events.h" | 11 #include "cc/animation_events.h" |
| 13 #include "cc/cc_export.h" | 12 #include "cc/cc_export.h" |
| 14 #include "cc/input_handler.h" | 13 #include "cc/input_handler.h" |
| 15 #include "cc/layer_sorter.h" | 14 #include "cc/layer_sorter.h" |
| 16 #include "cc/render_pass.h" | 15 #include "cc/render_pass.h" |
| 17 #include "cc/render_pass_sink.h" | 16 #include "cc/render_pass_sink.h" |
| 18 #include "cc/renderer.h" | 17 #include "cc/renderer.h" |
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| 71 float sentPageScaleDelta() const { return m_sentPageScaleDelta; } | 70 float sentPageScaleDelta() const { return m_sentPageScaleDelta; } |
| 72 | 71 |
| 73 // Returns true if the passed parameters were different from those previousl
y | 72 // Returns true if the passed parameters were different from those previousl
y |
| 74 // cached. | 73 // cached. |
| 75 bool setPageScaleFactorAndLimits(float pageScaleFactor, | 74 bool setPageScaleFactorAndLimits(float pageScaleFactor, |
| 76 float minPageScaleFactor, | 75 float minPageScaleFactor, |
| 77 float maxPageScaleFactor); | 76 float maxPageScaleFactor); |
| 78 | 77 |
| 79 // Returns the bounds and offset of the scaled and translated viewport to us
e for pinch-zoom. | 78 // Returns the bounds and offset of the scaled and translated viewport to us
e for pinch-zoom. |
| 80 gfx::RectF bounds() const; | 79 gfx::RectF bounds() const; |
| 81 const FloatPoint& scrollDelta() const { return m_pinchViewportScrollDelta; } | 80 const gfx::Vector2dF& scrollDelta() const { return m_pinchViewportScrollDelt
a; } |
| 82 | 81 |
| 83 void setLayoutViewportSize(const gfx::SizeF& size) { m_layoutViewportSize =
size; } | 82 void setLayoutViewportSize(const gfx::SizeF& size) { m_layoutViewportSize =
size; } |
| 84 | 83 |
| 85 // Apply the scroll offset in layout space to the offset of the pinch-zoom v
iewport. The viewport cannot be | 84 // Apply the scroll offset in layout space to the offset of the pinch-zoom v
iewport. The viewport cannot be |
| 86 // scrolled outside of the layout viewport bounds. Returns the component of
the scroll that is un-applied due to | 85 // scrolled outside of the layout viewport bounds. Returns the component of
the scroll that is un-applied due to |
| 87 // this constraint. | 86 // this constraint. |
| 88 FloatSize applyScroll(const gfx::Vector2dF&); | 87 gfx::Vector2dF applyScroll(const gfx::Vector2dF&); |
| 89 | 88 |
| 90 WebKit::WebTransformationMatrix implTransform() const; | 89 WebKit::WebTransformationMatrix implTransform() const; |
| 91 | 90 |
| 92 private: | 91 private: |
| 93 float m_pageScaleFactor; | 92 float m_pageScaleFactor; |
| 94 float m_pageScaleDelta; | 93 float m_pageScaleDelta; |
| 95 float m_sentPageScaleDelta; | 94 float m_sentPageScaleDelta; |
| 96 float m_maxPageScaleFactor; | 95 float m_maxPageScaleFactor; |
| 97 float m_minPageScaleFactor; | 96 float m_minPageScaleFactor; |
| 98 | 97 |
| 99 FloatPoint m_pinchViewportScrollDelta; | 98 gfx::Vector2dF m_pinchViewportScrollDelta; |
| 100 gfx::SizeF m_layoutViewportSize; | 99 gfx::SizeF m_layoutViewportSize; |
| 101 }; | 100 }; |
| 102 | 101 |
| 103 // LayerTreeHostImpl owns the LayerImpl tree as well as associated rendering sta
te | 102 // LayerTreeHostImpl owns the LayerImpl tree as well as associated rendering sta
te |
| 104 class CC_EXPORT LayerTreeHostImpl : public InputHandlerClient, | 103 class CC_EXPORT LayerTreeHostImpl : public InputHandlerClient, |
| 105 public RendererClient, | 104 public RendererClient, |
| 106 public NON_EXPORTED_BASE(WebKit::WebComposit
orOutputSurfaceClient) { | 105 public NON_EXPORTED_BASE(WebKit::WebComposit
orOutputSurfaceClient) { |
| 107 typedef std::vector<LayerImpl*> LayerList; | 106 typedef std::vector<LayerImpl*> LayerList; |
| 108 | 107 |
| 109 public: | 108 public: |
| 110 static scoped_ptr<LayerTreeHostImpl> create(const LayerTreeSettings&, LayerT
reeHostImplClient*); | 109 static scoped_ptr<LayerTreeHostImpl> create(const LayerTreeSettings&, LayerT
reeHostImplClient*); |
| 111 virtual ~LayerTreeHostImpl(); | 110 virtual ~LayerTreeHostImpl(); |
| 112 | 111 |
| 113 // InputHandlerClient implementation | 112 // InputHandlerClient implementation |
| 114 virtual InputHandlerClient::ScrollStatus scrollBegin(const gfx::Point&, Inpu
tHandlerClient::ScrollInputType) OVERRIDE; | 113 virtual InputHandlerClient::ScrollStatus scrollBegin(gfx::Point, InputHandle
rClient::ScrollInputType) OVERRIDE; |
| 115 virtual void scrollBy(const gfx::Point&, const IntSize&) OVERRIDE; | 114 virtual void scrollBy(gfx::Point, gfx::Vector2d) OVERRIDE; |
| 116 virtual void scrollEnd() OVERRIDE; | 115 virtual void scrollEnd() OVERRIDE; |
| 117 virtual void pinchGestureBegin() OVERRIDE; | 116 virtual void pinchGestureBegin() OVERRIDE; |
| 118 virtual void pinchGestureUpdate(float, const IntPoint&) OVERRIDE; | 117 virtual void pinchGestureUpdate(float, gfx::Point) OVERRIDE; |
| 119 virtual void pinchGestureEnd() OVERRIDE; | 118 virtual void pinchGestureEnd() OVERRIDE; |
| 120 virtual void startPageScaleAnimation(const IntSize& targetPosition, bool anc
horPoint, float pageScale, base::TimeTicks startTime, base::TimeDelta duration)
OVERRIDE; | 119 virtual void startPageScaleAnimation(gfx::Vector2d targetOffset, bool anchor
Point, float pageScale, base::TimeTicks startTime, base::TimeDelta duration) OVE
RRIDE; |
| 121 virtual void scheduleAnimation() OVERRIDE; | 120 virtual void scheduleAnimation() OVERRIDE; |
| 122 | 121 |
| 123 struct CC_EXPORT FrameData : public RenderPassSink { | 122 struct CC_EXPORT FrameData : public RenderPassSink { |
| 124 FrameData(); | 123 FrameData(); |
| 125 ~FrameData(); | 124 ~FrameData(); |
| 126 | 125 |
| 127 std::vector<gfx::Rect> occludingScreenSpaceRects; | 126 std::vector<gfx::Rect> occludingScreenSpaceRects; |
| 128 RenderPassList renderPasses; | 127 RenderPassList renderPasses; |
| 129 RenderPassIdHashMap renderPassesById; | 128 RenderPassIdHashMap renderPassesById; |
| 130 LayerList* renderSurfaceLayerList; | 129 LayerList* renderSurfaceLayerList; |
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| 206 | 205 |
| 207 float deviceScaleFactor() const { return m_deviceScaleFactor; } | 206 float deviceScaleFactor() const { return m_deviceScaleFactor; } |
| 208 void setDeviceScaleFactor(float); | 207 void setDeviceScaleFactor(float); |
| 209 | 208 |
| 210 float pageScaleFactor() const; | 209 float pageScaleFactor() const; |
| 211 void setPageScaleFactorAndLimits(float pageScaleFactor, float minPageScaleFa
ctor, float maxPageScaleFactor); | 210 void setPageScaleFactorAndLimits(float pageScaleFactor, float minPageScaleFa
ctor, float maxPageScaleFactor); |
| 212 | 211 |
| 213 scoped_ptr<ScrollAndScaleSet> processScrollDeltas(); | 212 scoped_ptr<ScrollAndScaleSet> processScrollDeltas(); |
| 214 WebKit::WebTransformationMatrix implTransform() const; | 213 WebKit::WebTransformationMatrix implTransform() const; |
| 215 | 214 |
| 216 void startPageScaleAnimation(const IntSize& tragetPosition, bool useAnchor,
float scale, base::TimeDelta duration); | 215 void startPageScaleAnimation(gfx::Vector2d targetOffset, bool useAnchor, flo
at scale, base::TimeDelta duration); |
| 217 | 216 |
| 218 SkColor backgroundColor() const { return m_backgroundColor; } | 217 SkColor backgroundColor() const { return m_backgroundColor; } |
| 219 void setBackgroundColor(SkColor color) { m_backgroundColor = color; } | 218 void setBackgroundColor(SkColor color) { m_backgroundColor = color; } |
| 220 | 219 |
| 221 bool hasTransparentBackground() const { return m_hasTransparentBackground; } | 220 bool hasTransparentBackground() const { return m_hasTransparentBackground; } |
| 222 void setHasTransparentBackground(bool transparent) { m_hasTransparentBackgro
und = transparent; } | 221 void setHasTransparentBackground(bool transparent) { m_hasTransparentBackgro
und = transparent; } |
| 223 | 222 |
| 224 bool needsAnimateLayers() const { return m_needsAnimateLayers; } | 223 bool needsAnimateLayers() const { return m_needsAnimateLayers; } |
| 225 void setNeedsAnimateLayers() { m_needsAnimateLayers = true; } | 224 void setNeedsAnimateLayers() { m_needsAnimateLayers = true; } |
| 226 | 225 |
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| 278 | 277 |
| 279 // Virtual for testing. | 278 // Virtual for testing. |
| 280 virtual base::TimeDelta lowFrequencyAnimationInterval() const; | 279 virtual base::TimeDelta lowFrequencyAnimationInterval() const; |
| 281 | 280 |
| 282 LayerTreeHostImplClient* m_client; | 281 LayerTreeHostImplClient* m_client; |
| 283 int m_sourceFrameNumber; | 282 int m_sourceFrameNumber; |
| 284 | 283 |
| 285 private: | 284 private: |
| 286 void computeDoubleTapZoomDeltas(ScrollAndScaleSet* scrollInfo); | 285 void computeDoubleTapZoomDeltas(ScrollAndScaleSet* scrollInfo); |
| 287 void computePinchZoomDeltas(ScrollAndScaleSet* scrollInfo); | 286 void computePinchZoomDeltas(ScrollAndScaleSet* scrollInfo); |
| 288 void makeScrollAndScaleSet(ScrollAndScaleSet* scrollInfo, const IntSize& scr
ollOffset, float pageScale); | 287 void makeScrollAndScaleSet(ScrollAndScaleSet* scrollInfo, gfx::Vector2d scro
llOffset, float pageScale); |
| 289 | 288 |
| 290 void setPageScaleDelta(float); | 289 void setPageScaleDelta(float); |
| 291 void updateMaxScrollPosition(); | 290 void updateMaxScrollOffset(); |
| 292 void trackDamageForAllSurfaces(LayerImpl* rootDrawLayer, const LayerList& re
nderSurfaceLayerList); | 291 void trackDamageForAllSurfaces(LayerImpl* rootDrawLayer, const LayerList& re
nderSurfaceLayerList); |
| 293 | 292 |
| 294 // Returns false if the frame should not be displayed. This function should | 293 // Returns false if the frame should not be displayed. This function should |
| 295 // only be called from prepareToDraw, as didDrawAllLayers must be called | 294 // only be called from prepareToDraw, as didDrawAllLayers must be called |
| 296 // if this helper function is called. | 295 // if this helper function is called. |
| 297 bool calculateRenderPasses(FrameData&); | 296 bool calculateRenderPasses(FrameData&); |
| 298 void animateLayersRecursive(LayerImpl*, base::TimeTicks monotonicTime, base:
:Time wallClockTime, AnimationEventsVector*, bool& didAnimate, bool& needsAnimat
eLayers); | 297 void animateLayersRecursive(LayerImpl*, base::TimeTicks monotonicTime, base:
:Time wallClockTime, AnimationEventsVector*, bool& didAnimate, bool& needsAnimat
eLayers); |
| 299 void setBackgroundTickingEnabled(bool); | 298 void setBackgroundTickingEnabled(bool); |
| 300 gfx::Size contentSize() const; | 299 gfx::Size contentSize() const; |
| 301 | 300 |
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| 324 bool m_visible; | 323 bool m_visible; |
| 325 bool m_contentsTexturesPurged; | 324 bool m_contentsTexturesPurged; |
| 326 ManagedMemoryPolicy m_managedMemoryPolicy; | 325 ManagedMemoryPolicy m_managedMemoryPolicy; |
| 327 | 326 |
| 328 SkColor m_backgroundColor; | 327 SkColor m_backgroundColor; |
| 329 bool m_hasTransparentBackground; | 328 bool m_hasTransparentBackground; |
| 330 | 329 |
| 331 // If this is true, it is necessary to traverse the layer tree ticking the a
nimators. | 330 // If this is true, it is necessary to traverse the layer tree ticking the a
nimators. |
| 332 bool m_needsAnimateLayers; | 331 bool m_needsAnimateLayers; |
| 333 bool m_pinchGestureActive; | 332 bool m_pinchGestureActive; |
| 334 IntPoint m_previousPinchAnchor; | 333 gfx::Point m_previousPinchAnchor; |
| 335 | 334 |
| 336 scoped_ptr<PageScaleAnimation> m_pageScaleAnimation; | 335 scoped_ptr<PageScaleAnimation> m_pageScaleAnimation; |
| 337 | 336 |
| 338 // This is used for ticking animations slowly when hidden. | 337 // This is used for ticking animations slowly when hidden. |
| 339 scoped_ptr<LayerTreeHostImplTimeSourceAdapter> m_timeSourceClientAdapter; | 338 scoped_ptr<LayerTreeHostImplTimeSourceAdapter> m_timeSourceClientAdapter; |
| 340 | 339 |
| 341 LayerSorter m_layerSorter; | 340 LayerSorter m_layerSorter; |
| 342 | 341 |
| 343 // List of visible layers for the most recently prepared frame. Used for | 342 // List of visible layers for the most recently prepared frame. Used for |
| 344 // rendering and input event hit testing. | 343 // rendering and input event hit testing. |
| 345 LayerList m_renderSurfaceLayerList; | 344 LayerList m_renderSurfaceLayerList; |
| 346 | 345 |
| 347 PinchZoomViewport m_pinchZoomViewport; | 346 PinchZoomViewport m_pinchZoomViewport; |
| 348 | 347 |
| 349 scoped_ptr<FrameRateCounter> m_fpsCounter; | 348 scoped_ptr<FrameRateCounter> m_fpsCounter; |
| 350 scoped_ptr<DebugRectHistory> m_debugRectHistory; | 349 scoped_ptr<DebugRectHistory> m_debugRectHistory; |
| 351 | 350 |
| 352 size_t m_numImplThreadScrolls; | 351 size_t m_numImplThreadScrolls; |
| 353 size_t m_numMainThreadScrolls; | 352 size_t m_numMainThreadScrolls; |
| 354 | 353 |
| 355 DISALLOW_COPY_AND_ASSIGN(LayerTreeHostImpl); | 354 DISALLOW_COPY_AND_ASSIGN(LayerTreeHostImpl); |
| 356 }; | 355 }; |
| 357 | 356 |
| 358 } // namespace cc | 357 } // namespace cc |
| 359 | 358 |
| 360 #endif // CC_LAYER_TREE_HOST_IMPL_H_ | 359 #endif // CC_LAYER_TREE_HOST_IMPL_H_ |
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