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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 WebLayerImplFixedBounds_h | 5 #ifndef WebLayerImplFixedBounds_h |
6 #define WebLayerImplFixedBounds_h | 6 #define WebLayerImplFixedBounds_h |
7 | 7 |
8 #include "ui/gfx/size.h" | 8 #include "ui/gfx/size.h" |
9 #include "ui/gfx/transform.h" | 9 #include "ui/gfx/transform.h" |
10 #include "webkit/compositor_bindings/web_layer_impl.h" | 10 #include "webkit/compositor_bindings/web_layer_impl.h" |
11 | 11 |
12 namespace WebKit { | 12 namespace WebKit { |
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 WEBKIT_COMPOSITOR_BINDINGS_EXPORT WebLayerImplFixedBounds(); |
22 WEBKIT_COMPOSITOR_BINDINGS_EXPORT explicit WebLayerImplFixedBounds( | 22 WEBKIT_COMPOSITOR_BINDINGS_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 WebFloatRect&) OVERRIDE; | 27 virtual void invalidateRect(const WebFloatRect&); |
28 virtual void setAnchorPoint(const WebFloatPoint&) OVERRIDE; | 28 virtual void setAnchorPoint(const WebFloatPoint&); |
29 virtual void setBounds(const WebSize&) OVERRIDE; | 29 virtual void setBounds(const WebSize&); |
30 virtual WebSize bounds() const OVERRIDE; | 30 virtual WebSize bounds() const; |
31 virtual void setSublayerTransform(const SkMatrix44&) OVERRIDE; | 31 virtual void setSublayerTransform(const SkMatrix44&); |
32 virtual void setSublayerTransform(const WebTransformationMatrix&) OVERRIDE; | 32 virtual void setSublayerTransform(const WebTransformationMatrix&); |
33 virtual SkMatrix44 sublayerTransform() const OVERRIDE; | 33 virtual SkMatrix44 sublayerTransform() const; |
34 virtual void setTransform(const SkMatrix44&) OVERRIDE; | 34 virtual void setTransform(const SkMatrix44&); |
35 virtual void setTransform(const WebTransformationMatrix&) OVERRIDE; | 35 virtual void setTransform(const WebTransformationMatrix&); |
36 virtual SkMatrix44 transform() const OVERRIDE; | 36 virtual SkMatrix44 transform() const; |
37 | 37 |
38 WEBKIT_COMPOSITOR_BINDINGS_EXPORT void SetFixedBounds(const gfx::Size&); | 38 WEBKIT_COMPOSITOR_BINDINGS_EXPORT void SetFixedBounds(const gfx::Size&); |
39 | 39 |
40 protected: | 40 protected: |
41 void SetTransformInternal(const gfx::Transform&); | 41 void SetTransformInternal(const gfx::Transform&); |
42 void SetSublayerTransformInternal(const gfx::Transform&); | 42 void SetSublayerTransformInternal(const gfx::Transform&); |
43 void UpdateLayerBoundsAndTransform(); | 43 void UpdateLayerBoundsAndTransform(); |
44 | 44 |
45 gfx::Transform original_sublayer_transform_; | 45 gfx::Transform original_sublayer_transform_; |
46 gfx::Transform original_transform_; | 46 gfx::Transform original_transform_; |
47 gfx::Size original_bounds_; | 47 gfx::Size original_bounds_; |
48 gfx::Size fixed_bounds_; | 48 gfx::Size fixed_bounds_; |
49 }; | 49 }; |
50 | 50 |
51 } // namespace WebKit | 51 } // namespace WebKit |
52 | 52 |
53 #endif // WebLayerImplFixedBounds_h | 53 #endif // WebLayerImplFixedBounds_h |
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