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

Issue 8362006: Reland r107720 - Enable the new layer animation framework. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Merge with parent patch Created 9 years, 2 months 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_ANIMATION_ELEMENT_H_ 5 #ifndef UI_GFX_COMPOSITOR_LAYER_ANIMATION_ELEMENT_H_
6 #define UI_GFX_COMPOSITOR_LAYER_ANIMATION_ELEMENT_H_ 6 #define UI_GFX_COMPOSITOR_LAYER_ANIMATION_ELEMENT_H_
7 #pragma once 7 #pragma once
8 8
9 #include <set> 9 #include <set>
10 10
(...skipping 53 matching lines...) Expand 10 before | Expand all | Expand 10 after
64 // Updates the delegate to the appropriate value for |t|, which is in the 64 // Updates the delegate to the appropriate value for |t|, which is in the
65 // range [0, 1] (0 for initial, and 1 for final). If the animation is not 65 // range [0, 1] (0 for initial, and 1 for final). If the animation is not
66 // aborted, it is guaranteed that Progress will eventually be called with 66 // aborted, it is guaranteed that Progress will eventually be called with
67 // t = 1.0. 67 // t = 1.0.
68 void Progress(double t, LayerAnimationDelegate* delegate); 68 void Progress(double t, LayerAnimationDelegate* delegate);
69 69
70 // Called if the animation is not allowed to complete. This may be called 70 // Called if the animation is not allowed to complete. This may be called
71 // before OnStarted or Progress. 71 // before OnStarted or Progress.
72 void Abort(); 72 void Abort();
73 73
74 // Sets the delegate to the target value.
75 void SetTarget(LayerAnimationDelegate* delegate) const;
sky 2011/10/20 20:30:30 This is an odd way to extract the target value. Ho
76
74 // The properties that the element modifies. 77 // The properties that the element modifies.
75 const AnimatableProperties& properties() const { return properties_; } 78 const AnimatableProperties& properties() const { return properties_; }
76 79
77 // The duration of the animation 80 // The duration of the animation
78 base::TimeDelta duration() const { return duration_; } 81 base::TimeDelta duration() const { return duration_; }
79 82
80 protected: 83 protected:
81 // Called once each time the animation element is run before any call to 84 // Called once each time the animation element is run before any call to
82 // OnProgress. 85 // OnProgress.
83 virtual void OnStart(LayerAnimationDelegate* delegate) = 0; 86 virtual void OnStart(LayerAnimationDelegate* delegate) = 0;
84 virtual void OnProgress(double t, LayerAnimationDelegate* delegate) = 0; 87 virtual void OnProgress(double t, LayerAnimationDelegate* delegate) = 0;
88 virtual void OnSetTarget(LayerAnimationDelegate* delegate) const = 0;
85 virtual void OnAbort() = 0; 89 virtual void OnAbort() = 0;
86 90
87 private: 91 private:
88 bool first_frame_; 92 bool first_frame_;
89 const AnimatableProperties properties_; 93 const AnimatableProperties properties_;
90 const base::TimeDelta duration_; 94 const base::TimeDelta duration_;
91 95
92 DISALLOW_COPY_AND_ASSIGN(LayerAnimationElement); 96 DISALLOW_COPY_AND_ASSIGN(LayerAnimationElement);
93 }; 97 };
94 98
95 } // namespace ui 99 } // namespace ui
96 100
97 #endif // UI_GFX_COMPOSITOR_LAYER_ANIMATION_ELEMENT_H_ 101 #endif // UI_GFX_COMPOSITOR_LAYER_ANIMATION_ELEMENT_H_
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