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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 WEBKIT_RENDERER_COMPOSITOR_BINDINGS_WEB_LAYER_IMPL_FIXED_BOUNDS_H_ | 5 #ifndef CONTENT_RENDERER_COMPOSITOR_BINDINGS_WEB_LAYER_IMPL_FIXED_BOUNDS_H_ |
6 #define WEBKIT_RENDERER_COMPOSITOR_BINDINGS_WEB_LAYER_IMPL_FIXED_BOUNDS_H_ | 6 #define CONTENT_RENDERER_COMPOSITOR_BINDINGS_WEB_LAYER_IMPL_FIXED_BOUNDS_H_ |
7 | 7 |
| 8 #include "content/renderer/compositor_bindings/web_layer_impl.h" |
8 #include "ui/gfx/size.h" | 9 #include "ui/gfx/size.h" |
9 #include "ui/gfx/transform.h" | 10 #include "ui/gfx/transform.h" |
10 #include "webkit/renderer/compositor_bindings/web_layer_impl.h" | |
11 | 11 |
12 namespace webkit { | 12 namespace content { |
13 | 13 |
14 // A special implementation of WebLayerImpl for layers that its contents | 14 // A special implementation of WebLayerImpl for layers that its contents |
15 // need to be automatically scaled when the bounds changes. The compositor | 15 // need to be automatically scaled when the bounds changes. The compositor |
16 // can efficiently handle the bounds change of such layers if the bounds | 16 // can efficiently handle the bounds change of such layers if the bounds |
17 // is fixed to a given value and the change of bounds are converted to | 17 // is fixed to a given value and the change of bounds are converted to |
18 // transformation scales. | 18 // transformation scales. |
19 class WebLayerImplFixedBounds : public WebLayerImpl { | 19 class WebLayerImplFixedBounds : public WebLayerImpl { |
20 public: | 20 public: |
21 WEBKIT_COMPOSITOR_BINDINGS_EXPORT WebLayerImplFixedBounds(); | 21 CONTENT_EXPORT WebLayerImplFixedBounds(); |
22 WEBKIT_COMPOSITOR_BINDINGS_EXPORT explicit WebLayerImplFixedBounds( | 22 CONTENT_EXPORT explicit WebLayerImplFixedBounds( |
23 scoped_refptr<cc::Layer>); | 23 scoped_refptr<cc::Layer>); |
24 virtual ~WebLayerImplFixedBounds(); | 24 virtual ~WebLayerImplFixedBounds(); |
25 | 25 |
26 // WebLayerImpl overrides. | 26 // WebLayerImpl overrides. |
27 virtual void invalidateRect(const blink::WebFloatRect& rect); | 27 virtual void invalidateRect(const blink::WebFloatRect& rect); |
28 virtual void setTransformOrigin( | 28 virtual void setTransformOrigin( |
29 const blink::WebFloatPoint3D& transform_origin); | 29 const blink::WebFloatPoint3D& transform_origin); |
30 virtual void setBounds(const blink::WebSize& bounds); | 30 virtual void setBounds(const blink::WebSize& bounds); |
31 virtual blink::WebSize bounds() const; | 31 virtual blink::WebSize bounds() const; |
32 virtual void setTransform(const SkMatrix44& transform); | 32 virtual void setTransform(const SkMatrix44& transform); |
33 virtual SkMatrix44 transform() const; | 33 virtual SkMatrix44 transform() const; |
34 | 34 |
35 WEBKIT_COMPOSITOR_BINDINGS_EXPORT void SetFixedBounds(gfx::Size bounds); | 35 CONTENT_EXPORT void SetFixedBounds(gfx::Size bounds); |
36 | 36 |
37 protected: | 37 protected: |
38 void SetTransformInternal(const gfx::Transform& transform); | 38 void SetTransformInternal(const gfx::Transform& transform); |
39 void UpdateLayerBoundsAndTransform(); | 39 void UpdateLayerBoundsAndTransform(); |
40 | 40 |
41 gfx::Transform original_transform_; | 41 gfx::Transform original_transform_; |
42 gfx::Size original_bounds_; | 42 gfx::Size original_bounds_; |
43 gfx::Size fixed_bounds_; | 43 gfx::Size fixed_bounds_; |
44 | 44 |
45 private: | 45 private: |
46 DISALLOW_COPY_AND_ASSIGN(WebLayerImplFixedBounds); | 46 DISALLOW_COPY_AND_ASSIGN(WebLayerImplFixedBounds); |
47 }; | 47 }; |
48 | 48 |
49 } // namespace webkit | 49 } // namespace content |
50 | 50 |
51 #endif // WEBKIT_RENDERER_COMPOSITOR_BINDINGS_WEB_LAYER_IMPL_FIXED_BOUNDS_H_ | 51 #endif // CONTENT_RENDERER_COMPOSITOR_BINDINGS_WEB_LAYER_IMPL_FIXED_BOUNDS_H_ |
| 52 |
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