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Side by Side Diff: ui/gfx/compositor/layer.h

Issue 8395046: Allows observers to be notified when layer animations complete. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Address reviewer comments. Created 9 years, 1 month ago
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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.
(...skipping 221 matching lines...) Expand 10 before | Expand all | Expand 10 after
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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