OLD | NEW |
---|---|
1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 2012 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 CCActiveAnimation_h | 5 #ifndef CCActiveAnimation_h |
6 #define CCActiveAnimation_h | 6 #define CCActiveAnimation_h |
7 | 7 |
8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
9 #include "base/memory/scoped_ptr.h" | 9 #include "base/memory/scoped_ptr.h" |
10 | 10 |
11 namespace cc { | 11 namespace cc { |
12 | 12 |
13 class CCAnimationCurve; | 13 class AnimationCurve; |
14 | 14 |
15 // A CCActiveAnimation, contains all the state required to play a CCAnimationCur ve. | 15 // A ActiveAnimation, contains all the state required to play a AnimationCurve. |
enne (OOO)
2012/10/18 01:28:32
Surprisingly, this seems like the only grammar iss
| |
16 // Specifically, the affected property, the run state (paused, finished, etc.), | 16 // Specifically, the affected property, the run state (paused, finished, etc.), |
17 // loop count, last pause time, and the total time spent paused. | 17 // loop count, last pause time, and the total time spent paused. |
18 class CCActiveAnimation { | 18 class ActiveAnimation { |
19 public: | 19 public: |
20 // Animations begin in one of the 'waiting' states. Animations waiting for t he next tick | 20 // Animations begin in one of the 'waiting' states. Animations waiting for t he next tick |
21 // will start the next time the controller animates. Animations waiting for target | 21 // will start the next time the controller animates. Animations waiting for target |
22 // availibility will run as soon as their target property is free (and all t he animations | 22 // availibility will run as soon as their target property is free (and all t he animations |
23 // animating with it are also able to run). Animations waiting for their sta rt time to | 23 // animating with it are also able to run). Animations waiting for their sta rt time to |
24 // come have be scheduled to run at a particular point in time. When this ti me arrives, | 24 // come have be scheduled to run at a particular point in time. When this ti me arrives, |
25 // the controller will move the animations into the Running state. Running a nimations | 25 // the controller will move the animations into the Running state. Running a nimations |
26 // may toggle between Running and Paused, and may be stopped by moving into either the | 26 // may toggle between Running and Paused, and may be stopped by moving into either the |
27 // Aborted or Finished states. A Finished animation was allowed to run to co mpletion, but | 27 // Aborted or Finished states. A Finished animation was allowed to run to co mpletion, but |
28 // an Aborted animation was not. | 28 // an Aborted animation was not. |
(...skipping 10 matching lines...) Expand all Loading... | |
39 RunStateEnumSize | 39 RunStateEnumSize |
40 }; | 40 }; |
41 | 41 |
42 enum TargetProperty { | 42 enum TargetProperty { |
43 Transform = 0, | 43 Transform = 0, |
44 Opacity, | 44 Opacity, |
45 // This sentinel must be last. | 45 // This sentinel must be last. |
46 TargetPropertyEnumSize | 46 TargetPropertyEnumSize |
47 }; | 47 }; |
48 | 48 |
49 static scoped_ptr<CCActiveAnimation> create(scoped_ptr<CCAnimationCurve>, in t animationId, int groupId, TargetProperty); | 49 static scoped_ptr<ActiveAnimation> create(scoped_ptr<AnimationCurve>, int an imationId, int groupId, TargetProperty); |
50 | 50 |
51 virtual ~CCActiveAnimation(); | 51 virtual ~ActiveAnimation(); |
52 | 52 |
53 int id() const { return m_id; } | 53 int id() const { return m_id; } |
54 int group() const { return m_group; } | 54 int group() const { return m_group; } |
55 TargetProperty targetProperty() const { return m_targetProperty; } | 55 TargetProperty targetProperty() const { return m_targetProperty; } |
56 | 56 |
57 RunState runState() const { return m_runState; } | 57 RunState runState() const { return m_runState; } |
58 void setRunState(RunState, double monotonicTime); | 58 void setRunState(RunState, double monotonicTime); |
59 | 59 |
60 // This is the number of times that the animation will play. If this | 60 // This is the number of times that the animation will play. If this |
61 // value is zero the animation will not play. If it is negative, then | 61 // value is zero the animation will not play. If it is negative, then |
(...skipping 13 matching lines...) Expand all Loading... | |
75 | 75 |
76 // If alternatesDirection is true, on odd numbered iterations we reverse the curve. | 76 // If alternatesDirection is true, on odd numbered iterations we reverse the curve. |
77 bool alternatesDirection() const { return m_alternatesDirection; } | 77 bool alternatesDirection() const { return m_alternatesDirection; } |
78 void setAlternatesDirection(bool alternates) { m_alternatesDirection = alter nates; } | 78 void setAlternatesDirection(bool alternates) { m_alternatesDirection = alter nates; } |
79 | 79 |
80 bool isFinishedAt(double monotonicTime) const; | 80 bool isFinishedAt(double monotonicTime) const; |
81 bool isFinished() const { return m_runState == Finished | 81 bool isFinished() const { return m_runState == Finished |
82 || m_runState == Aborted | 82 || m_runState == Aborted |
83 || m_runState == WaitingForDeletion; } | 83 || m_runState == WaitingForDeletion; } |
84 | 84 |
85 CCAnimationCurve* curve() { return m_curve.get(); } | 85 AnimationCurve* curve() { return m_curve.get(); } |
86 const CCAnimationCurve* curve() const { return m_curve.get(); } | 86 const AnimationCurve* curve() const { return m_curve.get(); } |
87 | 87 |
88 // If this is true, even if the animation is running, it will not be tickabl e until | 88 // If this is true, even if the animation is running, it will not be tickabl e until |
89 // it is given a start time. This is true for animations running on the main thread. | 89 // it is given a start time. This is true for animations running on the main thread. |
90 bool needsSynchronizedStartTime() const { return m_needsSynchronizedStartTim e; } | 90 bool needsSynchronizedStartTime() const { return m_needsSynchronizedStartTim e; } |
91 void setNeedsSynchronizedStartTime(bool needsSynchronizedStartTime) { m_need sSynchronizedStartTime = needsSynchronizedStartTime; } | 91 void setNeedsSynchronizedStartTime(bool needsSynchronizedStartTime) { m_need sSynchronizedStartTime = needsSynchronizedStartTime; } |
92 | 92 |
93 // Takes the given absolute time, and using the start time and the number | 93 // Takes the given absolute time, and using the start time and the number |
94 // of iterations, returns the relative time in the current iteration. | 94 // of iterations, returns the relative time in the current iteration. |
95 double trimTimeToCurrentIteration(double monotonicTime) const; | 95 double trimTimeToCurrentIteration(double monotonicTime) const; |
96 | 96 |
97 enum InstanceType { | 97 enum InstanceType { |
98 ControllingInstance = 0, | 98 ControllingInstance = 0, |
99 NonControllingInstance | 99 NonControllingInstance |
100 }; | 100 }; |
101 | 101 |
102 scoped_ptr<CCActiveAnimation> clone(InstanceType) const; | 102 scoped_ptr<ActiveAnimation> clone(InstanceType) const; |
103 scoped_ptr<CCActiveAnimation> cloneAndInitialize(InstanceType, RunState init ialRunState, double startTime) const; | 103 scoped_ptr<ActiveAnimation> cloneAndInitialize(InstanceType, RunState initia lRunState, double startTime) const; |
104 bool isControllingInstance() const { return m_isControllingInstance; } | 104 bool isControllingInstance() const { return m_isControllingInstance; } |
105 | 105 |
106 void pushPropertiesTo(CCActiveAnimation*) const; | 106 void pushPropertiesTo(ActiveAnimation*) const; |
107 | 107 |
108 private: | 108 private: |
109 CCActiveAnimation(scoped_ptr<CCAnimationCurve>, int animationId, int groupId , TargetProperty); | 109 ActiveAnimation(scoped_ptr<AnimationCurve>, int animationId, int groupId, Ta rgetProperty); |
110 | 110 |
111 scoped_ptr<CCAnimationCurve> m_curve; | 111 scoped_ptr<AnimationCurve> m_curve; |
112 | 112 |
113 // IDs are not necessarily unique. | 113 // IDs are not necessarily unique. |
114 int m_id; | 114 int m_id; |
115 | 115 |
116 // Animations that must be run together are called 'grouped' and have the sa me group id | 116 // Animations that must be run together are called 'grouped' and have the sa me group id |
117 // Grouped animations are guaranteed to start at the same time and no other animations | 117 // Grouped animations are guaranteed to start at the same time and no other animations |
118 // may animate any of the group's target properties until all animations in the | 118 // may animate any of the group's target properties until all animations in the |
119 // group have finished animating. Note: an active animation's group id and t arget | 119 // group have finished animating. Note: an active animation's group id and t arget |
120 // property uniquely identify that animation. | 120 // property uniquely identify that animation. |
121 int m_group; | 121 int m_group; |
(...skipping 17 matching lines...) Expand all Loading... | |
139 | 139 |
140 // These are used in trimTimeToCurrentIteration to account for time | 140 // These are used in trimTimeToCurrentIteration to account for time |
141 // spent while paused. This is not included in AnimationState since it | 141 // spent while paused. This is not included in AnimationState since it |
142 // there is absolutely no need for clients of this controller to know | 142 // there is absolutely no need for clients of this controller to know |
143 // about these values. | 143 // about these values. |
144 double m_pauseTime; | 144 double m_pauseTime; |
145 double m_totalPausedTime; | 145 double m_totalPausedTime; |
146 | 146 |
147 // Animations lead dual lives. An active animation will be conceptually owne d by | 147 // Animations lead dual lives. An active animation will be conceptually owne d by |
148 // two controllers, one on the impl thread and one on the main. In reality, there | 148 // two controllers, one on the impl thread and one on the main. In reality, there |
149 // will be two separate CCActiveAnimation instances for the same animation. They | 149 // will be two separate ActiveAnimation instances for the same animation. Th ey |
150 // will have the same group id and the same target property (these two value s | 150 // will have the same group id and the same target property (these two value s |
151 // uniquely identify an animation). The instance on the impl thread is the i nstance | 151 // uniquely identify an animation). The instance on the impl thread is the i nstance |
152 // that ultimately controls the values of the animating layer and so we will refer | 152 // that ultimately controls the values of the animating layer and so we will refer |
153 // to it as the 'controlling instance'. | 153 // to it as the 'controlling instance'. |
154 bool m_isControllingInstance; | 154 bool m_isControllingInstance; |
155 | 155 |
156 DISALLOW_COPY_AND_ASSIGN(CCActiveAnimation); | 156 DISALLOW_COPY_AND_ASSIGN(ActiveAnimation); |
157 }; | 157 }; |
158 | 158 |
159 } // namespace cc | 159 } // namespace cc |
160 | 160 |
161 #endif // CCActiveAnimation_h | 161 #endif // CCActiveAnimation_h |
OLD | NEW |