OLD | NEW |
1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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_LAYERS_PAINTED_SCROLLBAR_LAYER_H_ | 5 #ifndef CC_LAYERS_PAINTED_SCROLLBAR_LAYER_H_ |
6 #define CC_LAYERS_PAINTED_SCROLLBAR_LAYER_H_ | 6 #define CC_LAYERS_PAINTED_SCROLLBAR_LAYER_H_ |
7 | 7 |
8 #include "cc/base/cc_export.h" | 8 #include "cc/base/cc_export.h" |
9 #include "cc/input/scrollbar.h" | 9 #include "cc/input/scrollbar.h" |
10 #include "cc/layers/contents_scaling_layer.h" | 10 #include "cc/layers/contents_scaling_layer.h" |
11 #include "cc/layers/scrollbar_layer_interface.h" | 11 #include "cc/layers/scrollbar_layer_interface.h" |
12 #include "cc/layers/scrollbar_theme_painter.h" | 12 #include "cc/layers/scrollbar_theme_painter.h" |
13 #include "cc/resources/layer_updater.h" | 13 #include "cc/resources/layer_updater.h" |
14 #include "cc/resources/scoped_ui_resource.h" | 14 #include "cc/resources/scoped_ui_resource.h" |
15 | 15 |
16 namespace cc { | 16 namespace cc { |
17 class ScrollbarThemeComposite; | 17 class ScrollbarThemeComposite; |
18 | 18 |
19 class CC_EXPORT PaintedScrollbarLayer : public ScrollbarLayerInterface, | 19 class CC_EXPORT PaintedScrollbarLayer : public ScrollbarLayerInterface, |
20 public ContentsScalingLayer { | 20 public ContentsScalingLayer { |
21 public: | 21 public: |
22 virtual scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) | 22 virtual scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) |
23 OVERRIDE; | 23 OVERRIDE; |
24 | 24 |
25 static scoped_refptr<PaintedScrollbarLayer> Create( | 25 static scoped_refptr<PaintedScrollbarLayer> Create( |
26 scoped_ptr<Scrollbar> scrollbar, | 26 scoped_ptr<Scrollbar> scrollbar, |
27 Layer* scroll_layer); | 27 int scroll_layer_id); |
28 | 28 |
29 virtual bool OpacityCanAnimateOnImplThread() const OVERRIDE; | 29 virtual bool OpacityCanAnimateOnImplThread() const OVERRIDE; |
30 virtual ScrollbarLayerInterface* ToScrollbarLayer() OVERRIDE; | 30 virtual ScrollbarLayerInterface* ToScrollbarLayer() OVERRIDE; |
31 | 31 |
32 // ScrollbarLayerInterface | 32 // ScrollbarLayerInterface |
33 virtual int ScrollLayerId() const OVERRIDE; | 33 virtual int ScrollLayerId() const OVERRIDE; |
34 virtual void SetScrollLayer(scoped_refptr<Layer> layer) OVERRIDE; | 34 virtual void SetScrollLayerId(int id) OVERRIDE; |
35 virtual void SetClipLayer(scoped_refptr<Layer> layer) OVERRIDE; | |
36 | 35 |
37 virtual ScrollbarOrientation orientation() const OVERRIDE; | 36 virtual ScrollbarOrientation orientation() const OVERRIDE; |
38 | 37 |
39 // Layer interface | 38 // Layer interface |
40 virtual bool Update(ResourceUpdateQueue* queue, | 39 virtual bool Update(ResourceUpdateQueue* queue, |
41 const OcclusionTracker* occlusion) OVERRIDE; | 40 const OcclusionTracker* occlusion) OVERRIDE; |
42 virtual void SetLayerTreeHost(LayerTreeHost* host) OVERRIDE; | 41 virtual void SetLayerTreeHost(LayerTreeHost* host) OVERRIDE; |
43 virtual void PushPropertiesTo(LayerImpl* layer) OVERRIDE; | 42 virtual void PushPropertiesTo(LayerImpl* layer) OVERRIDE; |
44 virtual void PushScrollClipPropertiesTo(LayerImpl* layer) OVERRIDE; | |
45 virtual void CalculateContentsScale(float ideal_contents_scale, | 43 virtual void CalculateContentsScale(float ideal_contents_scale, |
46 float device_scale_factor, | 44 float device_scale_factor, |
47 float page_scale_factor, | 45 float page_scale_factor, |
48 bool animating_transform_to_screen, | 46 bool animating_transform_to_screen, |
49 float* contents_scale_x, | 47 float* contents_scale_x, |
50 float* contents_scale_y, | 48 float* contents_scale_y, |
51 gfx::Size* content_bounds) OVERRIDE; | 49 gfx::Size* content_bounds) OVERRIDE; |
52 | 50 |
53 protected: | 51 protected: |
54 PaintedScrollbarLayer(scoped_ptr<Scrollbar> scrollbar, Layer* scroll_layer); | 52 PaintedScrollbarLayer(scoped_ptr<Scrollbar> scrollbar, int scroll_layer_id); |
55 virtual ~PaintedScrollbarLayer(); | 53 virtual ~PaintedScrollbarLayer(); |
56 | 54 |
57 // For unit tests | 55 // For unit tests |
58 UIResourceId track_resource_id() { | 56 UIResourceId track_resource_id() { |
59 return track_resource_.get() ? track_resource_->id() : 0; | 57 return track_resource_.get() ? track_resource_->id() : 0; |
60 } | 58 } |
61 UIResourceId thumb_resource_id() { | 59 UIResourceId thumb_resource_id() { |
62 return thumb_resource_.get() ? thumb_resource_->id() : 0; | 60 return thumb_resource_.get() ? thumb_resource_->id() : 0; |
63 } | 61 } |
64 void UpdateThumbAndTrackGeometry(); | 62 void UpdateThumbAndTrackGeometry(); |
65 | 63 |
66 private: | 64 private: |
67 gfx::Rect ScrollbarLayerRectToContentRect(const gfx::Rect& layer_rect) const; | 65 gfx::Rect ScrollbarLayerRectToContentRect(const gfx::Rect& layer_rect) const; |
68 gfx::Rect OriginThumbRect() const; | 66 gfx::Rect OriginThumbRect() const; |
69 | 67 |
70 template<typename T> void UpdateProperty(T value, T* prop) { | 68 template<typename T> void UpdateProperty(T value, T* prop) { |
71 if (*prop == value) | 69 if (*prop == value) |
72 return; | 70 return; |
73 *prop = value; | 71 *prop = value; |
74 SetNeedsPushProperties(); | 72 SetNeedsPushProperties(); |
75 } | 73 } |
76 | 74 |
77 int MaxTextureSize(); | 75 int MaxTextureSize(); |
78 float ClampScaleToMaxTextureSize(float scale); | 76 float ClampScaleToMaxTextureSize(float scale); |
79 | 77 |
80 UIResourceBitmap RasterizeScrollbarPart(const gfx::Rect& rect, | 78 UIResourceBitmap RasterizeScrollbarPart(const gfx::Rect& rect, |
81 ScrollbarPart part); | 79 ScrollbarPart part); |
82 | 80 |
83 scoped_ptr<Scrollbar> scrollbar_; | 81 scoped_ptr<Scrollbar> scrollbar_; |
84 scoped_refptr<Layer> scroll_layer_; | 82 int scroll_layer_id_; |
85 scoped_refptr<Layer> clip_layer_; | |
86 | 83 |
87 // Snapshot of properties taken in UpdateThumbAndTrackGeometry and used in | 84 // Snapshot of properties taken in UpdateThumbAndTrackGeometry and used in |
88 // PushPropertiesTo. | 85 // PushPropertiesTo. |
89 int thumb_thickness_; | 86 int thumb_thickness_; |
90 int thumb_length_; | 87 int thumb_length_; |
91 gfx::Point location_; | 88 gfx::Point location_; |
92 gfx::Rect track_rect_; | 89 gfx::Rect track_rect_; |
93 bool is_overlay_; | 90 bool is_overlay_; |
94 bool has_thumb_; | 91 bool has_thumb_; |
95 | 92 |
96 scoped_ptr<ScopedUIResource> track_resource_; | 93 scoped_ptr<ScopedUIResource> track_resource_; |
97 scoped_ptr<ScopedUIResource> thumb_resource_; | 94 scoped_ptr<ScopedUIResource> thumb_resource_; |
98 | 95 |
99 DISALLOW_COPY_AND_ASSIGN(PaintedScrollbarLayer); | 96 DISALLOW_COPY_AND_ASSIGN(PaintedScrollbarLayer); |
100 }; | 97 }; |
101 | 98 |
102 } // namespace cc | 99 } // namespace cc |
103 | 100 |
104 #endif // CC_LAYERS_PAINTED_SCROLLBAR_LAYER_H_ | 101 #endif // CC_LAYERS_PAINTED_SCROLLBAR_LAYER_H_ |
OLD | NEW |