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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 setAnchorPoint(const blink::WebFloatPoint& anchor_point); | 28 virtual void setAnchorPoint(const blink::WebFloatPoint& anchor_point); |
| 29 virtual void setBounds(const blink::WebSize& bounds); | 29 virtual void setBounds(const blink::WebSize& bounds); |
| 30 virtual blink::WebSize bounds() const; | 30 virtual blink::WebSize bounds() const; |
| 31 virtual void setTransform(const SkMatrix44& transform); | 31 virtual void setTransform(const SkMatrix44& transform); |
| 32 virtual SkMatrix44 transform() const; | 32 virtual SkMatrix44 transform() const; |
| 33 | 33 |
| 34 WEBKIT_COMPOSITOR_BINDINGS_EXPORT void SetFixedBounds(gfx::Size bounds); | 34 CONTENT_EXPORT void SetFixedBounds(gfx::Size bounds); |
| 35 | 35 |
| 36 protected: | 36 protected: |
| 37 void SetTransformInternal(const gfx::Transform& transform); | 37 void SetTransformInternal(const gfx::Transform& transform); |
| 38 void UpdateLayerBoundsAndTransform(); | 38 void UpdateLayerBoundsAndTransform(); |
| 39 | 39 |
| 40 gfx::Transform original_transform_; | 40 gfx::Transform original_transform_; |
| 41 gfx::Size original_bounds_; | 41 gfx::Size original_bounds_; |
| 42 gfx::Size fixed_bounds_; | 42 gfx::Size fixed_bounds_; |
| 43 | 43 |
| 44 private: | 44 private: |
| 45 DISALLOW_COPY_AND_ASSIGN(WebLayerImplFixedBounds); | 45 DISALLOW_COPY_AND_ASSIGN(WebLayerImplFixedBounds); |
| 46 }; | 46 }; |
| 47 | 47 |
| 48 } // namespace webkit | 48 } // namespace content |
| 49 | 49 |
| 50 #endif // WEBKIT_RENDERER_COMPOSITOR_BINDINGS_WEB_LAYER_IMPL_FIXED_BOUNDS_H_ | 50 #endif // CONTENT_RENDERER_COMPOSITOR_BINDINGS_WEB_LAYER_IMPL_FIXED_BOUNDS_H_ |
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