| OLD | NEW |
| 1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 2012 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_SCROLLBAR_ANIMATION_CONTROLLER_H_ | 5 #ifndef CC_SCROLLBAR_ANIMATION_CONTROLLER_H_ |
| 6 #define CC_SCROLLBAR_ANIMATION_CONTROLLER_H_ | 6 #define CC_SCROLLBAR_ANIMATION_CONTROLLER_H_ |
| 7 | 7 |
| 8 #include "base/memory/scoped_ptr.h" | 8 #include "base/memory/scoped_ptr.h" |
| 9 #include "cc/cc_export.h" | 9 #include "cc/cc_export.h" |
| 10 #include "FloatPoint.h" | 10 #include "ui/gfx/size.h" |
| 11 #include "IntSize.h" | 11 #include "ui/gfx/vector2d.h" |
| 12 | 12 #include "ui/gfx/vector2d_f.h" |
| 13 namespace gfx { | |
| 14 class Size; | |
| 15 } | |
| 16 | 13 |
| 17 namespace cc { | 14 namespace cc { |
| 18 | 15 |
| 19 class LayerImpl; | 16 class LayerImpl; |
| 20 class ScrollbarLayerImpl; | 17 class ScrollbarLayerImpl; |
| 21 | 18 |
| 22 // This abstract class represents the compositor-side analogy of ScrollbarAnimat
or. | 19 // This abstract class represents the compositor-side analogy of ScrollbarAnimat
or. |
| 23 // Individual platforms should subclass it to provide specialized implementation
. | 20 // Individual platforms should subclass it to provide specialized implementation
. |
| 24 class CC_EXPORT ScrollbarAnimationController { | 21 class CC_EXPORT ScrollbarAnimationController { |
| 25 public: | 22 public: |
| 26 static scoped_ptr<ScrollbarAnimationController> create(LayerImpl* scrollLaye
r); | 23 static scoped_ptr<ScrollbarAnimationController> create(LayerImpl* scrollLaye
r); |
| 27 | 24 |
| 28 virtual ~ScrollbarAnimationController(); | 25 virtual ~ScrollbarAnimationController(); |
| 29 | 26 |
| 30 virtual bool animate(double monotonicTime); | 27 virtual bool animate(double monotonicTime); |
| 31 void didPinchGestureBegin(); | 28 void didPinchGestureBegin(); |
| 32 void didPinchGestureUpdate(); | 29 void didPinchGestureUpdate(); |
| 33 void didPinchGestureEnd(); | 30 void didPinchGestureEnd(); |
| 34 void updateScrollOffset(LayerImpl* scrollLayer); | 31 void updateScrollOffset(LayerImpl* scrollLayer); |
| 35 | 32 |
| 36 void setHorizontalScrollbarLayer(ScrollbarLayerImpl* layer) { m_horizontalSc
rollbarLayer = layer; } | 33 void setHorizontalScrollbarLayer(ScrollbarLayerImpl* layer) { m_horizontalSc
rollbarLayer = layer; } |
| 37 ScrollbarLayerImpl* horizontalScrollbarLayer() const { return m_horizontalSc
rollbarLayer; } | 34 ScrollbarLayerImpl* horizontalScrollbarLayer() const { return m_horizontalSc
rollbarLayer; } |
| 38 | 35 |
| 39 void setVerticalScrollbarLayer(ScrollbarLayerImpl* layer) { m_verticalScroll
barLayer = layer; } | 36 void setVerticalScrollbarLayer(ScrollbarLayerImpl* layer) { m_verticalScroll
barLayer = layer; } |
| 40 ScrollbarLayerImpl* verticalScrollbarLayer() const { return m_verticalScroll
barLayer; } | 37 ScrollbarLayerImpl* verticalScrollbarLayer() const { return m_verticalScroll
barLayer; } |
| 41 | 38 |
| 42 FloatPoint currentPos() const { return m_currentPos; } | 39 gfx::Vector2dF currentOffset() const { return m_currentOffset; } |
| 43 gfx::Size totalSize() const { return m_totalSize; } | 40 gfx::Size totalSize() const { return m_totalSize; } |
| 44 IntSize maximum() const { return m_maximum; } | 41 gfx::Vector2d maximum() const { return m_maximum; } |
| 45 | 42 |
| 46 virtual void didPinchGestureBeginAtTime(double monotonicTime) { } | 43 virtual void didPinchGestureBeginAtTime(double monotonicTime) { } |
| 47 virtual void didPinchGestureUpdateAtTime(double monotonicTime) { } | 44 virtual void didPinchGestureUpdateAtTime(double monotonicTime) { } |
| 48 virtual void didPinchGestureEndAtTime(double monotonicTime) { } | 45 virtual void didPinchGestureEndAtTime(double monotonicTime) { } |
| 49 virtual void updateScrollOffsetAtTime(LayerImpl* scrollLayer, double monoton
icTime); | 46 virtual void updateScrollOffsetAtTime(LayerImpl* scrollLayer, double monoton
icTime); |
| 50 | 47 |
| 51 protected: | 48 protected: |
| 52 explicit ScrollbarAnimationController(LayerImpl* scrollLayer); | 49 explicit ScrollbarAnimationController(LayerImpl* scrollLayer); |
| 53 | 50 |
| 54 private: | 51 private: |
| 55 static gfx::Size getScrollLayerBounds(const LayerImpl*); | 52 static gfx::Size getScrollLayerBounds(const LayerImpl*); |
| 56 | 53 |
| 57 // Beware of dangling pointer. Always update these during tree synchronizati
on. | 54 // Beware of dangling pointer. Always update these during tree synchronizati
on. |
| 58 ScrollbarLayerImpl* m_horizontalScrollbarLayer; | 55 ScrollbarLayerImpl* m_horizontalScrollbarLayer; |
| 59 ScrollbarLayerImpl* m_verticalScrollbarLayer; | 56 ScrollbarLayerImpl* m_verticalScrollbarLayer; |
| 60 | 57 |
| 61 FloatPoint m_currentPos; | 58 gfx::Vector2dF m_currentOffset; |
| 62 gfx::Size m_totalSize; | 59 gfx::Size m_totalSize; |
| 63 IntSize m_maximum; | 60 gfx::Vector2d m_maximum; |
| 64 }; | 61 }; |
| 65 | 62 |
| 66 } // namespace cc | 63 } // namespace cc |
| 67 | 64 |
| 68 #endif // CC_SCROLLBAR_ANIMATION_CONTROLLER_H_ | 65 #endif // CC_SCROLLBAR_ANIMATION_CONTROLLER_H_ |
| OLD | NEW |