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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 UI_GFX_COMPOSITOR_LAYER_H_ | 5 #ifndef UI_GFX_COMPOSITOR_LAYER_H_ |
| 6 #define UI_GFX_COMPOSITOR_LAYER_H_ | 6 #define UI_GFX_COMPOSITOR_LAYER_H_ |
| 7 #pragma once | 7 #pragma once |
| 8 | 8 |
| 9 #include <vector> | 9 #include <vector> |
| 10 | 10 |
| 11 #include "base/compiler_specific.h" | 11 #include "base/compiler_specific.h" |
| 12 #include "base/memory/ref_counted.h" | 12 #include "base/memory/ref_counted.h" |
| 13 #include "base/memory/scoped_ptr.h" | 13 #include "base/memory/scoped_ptr.h" |
| 14 #include "base/message_loop.h" | 14 #include "base/message_loop.h" |
| 15 #include "third_party/WebKit/Source/WebKit/chromium/public/WebContentLayerClient
.h" | 15 #include "third_party/WebKit/Source/WebKit/chromium/public/WebContentLayerClient
.h" |
| 16 #include "third_party/WebKit/Source/WebKit/chromium/public/WebLayer.h" | 16 #include "third_party/WebKit/Source/WebKit/chromium/public/WebLayer.h" |
| 17 #include "third_party/WebKit/Source/WebKit/chromium/public/WebLayerClient.h" | 17 #include "third_party/WebKit/Source/WebKit/chromium/public/WebLayerClient.h" |
| 18 #include "ui/gfx/rect.h" | 18 #include "ui/gfx/rect.h" |
| 19 #include "ui/gfx/transform.h" | 19 #include "ui/gfx/transform.h" |
| 20 #include "ui/gfx/compositor/compositor.h" | 20 #include "ui/gfx/compositor/compositor.h" |
| 21 #include "ui/gfx/compositor/layer_animator_delegate.h" | 21 #include "ui/gfx/compositor/layer_animation_delegate.h" |
| 22 #include "ui/gfx/compositor/layer_delegate.h" | 22 #include "ui/gfx/compositor/layer_delegate.h" |
| 23 | 23 |
| 24 class SkCanvas; | 24 class SkCanvas; |
| 25 | 25 |
| 26 namespace ui { | 26 namespace ui { |
| 27 | 27 |
| 28 class Compositor; | 28 class Compositor; |
| 29 class LayerAnimator; | 29 class LayerAnimator; |
| 30 class LayerAnimationSequence; | 30 class LayerAnimationSequence; |
| 31 class Texture; | 31 class Texture; |
| 32 | 32 |
| 33 // Layer manages a texture, transform and a set of child Layers. Any View that | 33 // Layer manages a texture, transform and a set of child Layers. Any View that |
| 34 // has enabled layers ends up creating a Layer to manage the texture. | 34 // has enabled layers ends up creating a Layer to manage the texture. |
| 35 // A Layer can also be created without a texture, in which case it renders | 35 // A Layer can also be created without a texture, in which case it renders |
| 36 // nothing and is simply used as a node in a hierarchy of layers. | 36 // nothing and is simply used as a node in a hierarchy of layers. |
| 37 // | 37 // |
| 38 // NOTE: unlike Views, each Layer does *not* own its children views. If you | 38 // NOTE: unlike Views, each Layer does *not* own its children views. If you |
| 39 // delete a Layer and it has children, the parent of each child layer is set to | 39 // delete a Layer and it has children, the parent of each child layer is set to |
| 40 // NULL, but the children are not deleted. | 40 // NULL, but the children are not deleted. |
| 41 class COMPOSITOR_EXPORT Layer : | 41 class COMPOSITOR_EXPORT Layer : |
| 42 public LayerAnimatorDelegate, | 42 public LayerAnimationDelegate, |
| 43 NON_EXPORTED_BASE(public WebKit::WebLayerClient), | 43 NON_EXPORTED_BASE(public WebKit::WebLayerClient), |
| 44 NON_EXPORTED_BASE(public WebKit::WebContentLayerClient) { | 44 NON_EXPORTED_BASE(public WebKit::WebContentLayerClient) { |
| 45 public: | 45 public: |
| 46 enum LayerType { | 46 enum LayerType { |
| 47 LAYER_HAS_NO_TEXTURE = 0, | 47 LAYER_HAS_NO_TEXTURE = 0, |
| 48 LAYER_HAS_TEXTURE = 1 | 48 LAYER_HAS_TEXTURE = 1 |
| 49 }; | 49 }; |
| 50 | 50 |
| 51 // |compositor| can be NULL, and will be set later when the Layer is added to | 51 // |compositor| can be NULL, and will be set later when the Layer is added to |
| 52 // a Compositor. | 52 // a Compositor. |
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| 274 void SetOpacityImmediately(float opacity); | 274 void SetOpacityImmediately(float opacity); |
| 275 | 275 |
| 276 // Implementation of LayerAnimatorDelegate | 276 // Implementation of LayerAnimatorDelegate |
| 277 virtual void SetBoundsFromAnimation(const gfx::Rect& bounds) OVERRIDE; | 277 virtual void SetBoundsFromAnimation(const gfx::Rect& bounds) OVERRIDE; |
| 278 virtual void SetTransformFromAnimation(const Transform& transform) OVERRIDE; | 278 virtual void SetTransformFromAnimation(const Transform& transform) OVERRIDE; |
| 279 virtual void SetOpacityFromAnimation(float opacity) OVERRIDE; | 279 virtual void SetOpacityFromAnimation(float opacity) OVERRIDE; |
| 280 virtual void ScheduleDrawForAnimation() OVERRIDE; | 280 virtual void ScheduleDrawForAnimation() OVERRIDE; |
| 281 virtual const gfx::Rect& GetBoundsForAnimation() const OVERRIDE; | 281 virtual const gfx::Rect& GetBoundsForAnimation() const OVERRIDE; |
| 282 virtual const Transform& GetTransformForAnimation() const OVERRIDE; | 282 virtual const Transform& GetTransformForAnimation() const OVERRIDE; |
| 283 virtual float GetOpacityForAnimation() const OVERRIDE; | 283 virtual float GetOpacityForAnimation() const OVERRIDE; |
| 284 virtual void OnLayerAnimationEnded(LayerAnimationSequence* sequence) OVERRIDE; | |
| 285 | 284 |
| 286 #if defined(USE_WEBKIT_COMPOSITOR) | 285 #if defined(USE_WEBKIT_COMPOSITOR) |
| 287 void CreateWebLayer(); | 286 void CreateWebLayer(); |
| 288 void RecomputeTransform(); | 287 void RecomputeTransform(); |
| 289 void RecomputeDrawsContent(); | 288 void RecomputeDrawsContent(); |
| 290 #endif | 289 #endif |
| 291 | 290 |
| 292 const LayerType type_; | 291 const LayerType type_; |
| 293 | 292 |
| 294 Compositor* compositor_; | 293 Compositor* compositor_; |
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| 327 WebKit::WebLayer web_layer_; | 326 WebKit::WebLayer web_layer_; |
| 328 bool web_layer_is_accelerated_; | 327 bool web_layer_is_accelerated_; |
| 329 #endif | 328 #endif |
| 330 | 329 |
| 331 DISALLOW_COPY_AND_ASSIGN(Layer); | 330 DISALLOW_COPY_AND_ASSIGN(Layer); |
| 332 }; | 331 }; |
| 333 | 332 |
| 334 } // namespace ui | 333 } // namespace ui |
| 335 | 334 |
| 336 #endif // UI_GFX_COMPOSITOR_LAYER_H_ | 335 #endif // UI_GFX_COMPOSITOR_LAYER_H_ |
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