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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 CONTENT_RENDERER_COMPOSITOR_BINDINGS_WEB_LAYER_IMPL_FIXED_BOUNDS_H_ | 5 #ifndef CC_BLINK_WEB_LAYER_IMPL_FIXED_BOUNDS_H_ |
6 #define CONTENT_RENDERER_COMPOSITOR_BINDINGS_WEB_LAYER_IMPL_FIXED_BOUNDS_H_ | 6 #define CC_BLINK_WEB_LAYER_IMPL_FIXED_BOUNDS_H_ |
7 | 7 |
8 #include "content/renderer/compositor_bindings/web_layer_impl.h" | 8 #include "cc/blink/web_layer_impl.h" |
9 #include "ui/gfx/size.h" | 9 #include "ui/gfx/size.h" |
10 #include "ui/gfx/transform.h" | 10 #include "ui/gfx/transform.h" |
11 | 11 |
12 namespace content { | 12 namespace cc_blink { |
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 CONTENT_EXPORT WebLayerImplFixedBounds(); | 21 CC_BLINK_EXPORT WebLayerImplFixedBounds(); |
22 CONTENT_EXPORT explicit WebLayerImplFixedBounds( | 22 CC_BLINK_EXPORT explicit WebLayerImplFixedBounds(scoped_refptr<cc::Layer>); |
23 scoped_refptr<cc::Layer>); | |
24 virtual ~WebLayerImplFixedBounds(); | 23 virtual ~WebLayerImplFixedBounds(); |
25 | 24 |
26 // WebLayerImpl overrides. | 25 // WebLayerImpl overrides. |
27 virtual void invalidateRect(const blink::WebFloatRect& rect); | 26 virtual void invalidateRect(const blink::WebFloatRect& rect); |
28 virtual void setTransformOrigin( | 27 virtual void setTransformOrigin( |
29 const blink::WebFloatPoint3D& transform_origin); | 28 const blink::WebFloatPoint3D& transform_origin); |
30 virtual void setBounds(const blink::WebSize& bounds); | 29 virtual void setBounds(const blink::WebSize& bounds); |
31 virtual blink::WebSize bounds() const; | 30 virtual blink::WebSize bounds() const; |
32 virtual void setTransform(const SkMatrix44& transform); | 31 virtual void setTransform(const SkMatrix44& transform); |
33 virtual SkMatrix44 transform() const; | 32 virtual SkMatrix44 transform() const; |
34 | 33 |
35 CONTENT_EXPORT void SetFixedBounds(gfx::Size bounds); | 34 CC_BLINK_EXPORT void SetFixedBounds(gfx::Size bounds); |
36 | 35 |
37 protected: | 36 protected: |
38 void SetTransformInternal(const gfx::Transform& transform); | 37 void SetTransformInternal(const gfx::Transform& transform); |
39 void UpdateLayerBoundsAndTransform(); | 38 void UpdateLayerBoundsAndTransform(); |
40 | 39 |
41 gfx::Transform original_transform_; | 40 gfx::Transform original_transform_; |
42 gfx::Size original_bounds_; | 41 gfx::Size original_bounds_; |
43 gfx::Size fixed_bounds_; | 42 gfx::Size fixed_bounds_; |
44 | 43 |
45 private: | 44 private: |
46 DISALLOW_COPY_AND_ASSIGN(WebLayerImplFixedBounds); | 45 DISALLOW_COPY_AND_ASSIGN(WebLayerImplFixedBounds); |
47 }; | 46 }; |
48 | 47 |
49 } // namespace content | 48 } // namespace cc_blink |
50 | 49 |
51 #endif // CONTENT_RENDERER_COMPOSITOR_BINDINGS_WEB_LAYER_IMPL_FIXED_BOUNDS_H_ | 50 #endif // CC_BLINK_WEB_LAYER_IMPL_FIXED_BOUNDS_H_ |
52 | |
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