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| 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 CC_ANIMATION_ANIMATION_H_ | 5 #ifndef CC_ANIMATION_ANIMATION_H_ |
| 6 #define CC_ANIMATION_ANIMATION_H_ | 6 #define CC_ANIMATION_ANIMATION_H_ |
| 7 | 7 |
| 8 #include "base/macros.h" | 8 #include "base/macros.h" |
| 9 #include "base/memory/scoped_ptr.h" | 9 #include "base/memory/scoped_ptr.h" |
| 10 #include "base/time/time.h" | 10 #include "base/time/time.h" |
| 11 #include "cc/animation/animation_target_property.h" |
| 11 #include "cc/base/cc_export.h" | 12 #include "cc/base/cc_export.h" |
| 12 | 13 |
| 13 namespace cc { | 14 namespace cc { |
| 14 | 15 |
| 15 class AnimationCurve; | 16 class AnimationCurve; |
| 16 | 17 |
| 17 // An Animation contains all the state required to play an AnimationCurve. | 18 // An Animation contains all the state required to play an AnimationCurve. |
| 18 // Specifically, the affected property, the run state (paused, finished, etc.), | 19 // Specifically, the affected property, the run state (paused, finished, etc.), |
| 19 // loop count, last pause time, and the total time spent paused. | 20 // loop count, last pause time, and the total time spent paused. |
| 20 class CC_EXPORT Animation { | 21 class CC_EXPORT Animation { |
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| 32 WAITING_FOR_DELETION, | 33 WAITING_FOR_DELETION, |
| 33 STARTING, | 34 STARTING, |
| 34 RUNNING, | 35 RUNNING, |
| 35 PAUSED, | 36 PAUSED, |
| 36 FINISHED, | 37 FINISHED, |
| 37 ABORTED, | 38 ABORTED, |
| 38 // This sentinel must be last. | 39 // This sentinel must be last. |
| 39 LAST_RUN_STATE = ABORTED | 40 LAST_RUN_STATE = ABORTED |
| 40 }; | 41 }; |
| 41 | 42 |
| 42 enum TargetProperty { | |
| 43 TRANSFORM = 0, | |
| 44 OPACITY, | |
| 45 FILTER, | |
| 46 SCROLL_OFFSET, | |
| 47 BACKGROUND_COLOR, | |
| 48 // This sentinel must be last. | |
| 49 LAST_TARGET_PROPERTY = BACKGROUND_COLOR | |
| 50 }; | |
| 51 | |
| 52 enum Direction { | 43 enum Direction { |
| 53 DIRECTION_NORMAL, | 44 DIRECTION_NORMAL, |
| 54 DIRECTION_REVERSE, | 45 DIRECTION_REVERSE, |
| 55 DIRECTION_ALTERNATE, | 46 DIRECTION_ALTERNATE, |
| 56 DIRECTION_ALTERNATE_REVERSE | 47 DIRECTION_ALTERNATE_REVERSE |
| 57 }; | 48 }; |
| 58 | 49 |
| 59 enum FillMode { | 50 enum FillMode { |
| 60 FILL_MODE_NONE, | 51 FILL_MODE_NONE, |
| 61 FILL_MODE_FORWARDS, | 52 FILL_MODE_FORWARDS, |
| 62 FILL_MODE_BACKWARDS, | 53 FILL_MODE_BACKWARDS, |
| 63 FILL_MODE_BOTH | 54 FILL_MODE_BOTH |
| 64 }; | 55 }; |
| 65 | 56 |
| 66 static scoped_ptr<Animation> Create(scoped_ptr<AnimationCurve> curve, | 57 static scoped_ptr<Animation> Create(scoped_ptr<AnimationCurve> curve, |
| 67 int animation_id, | 58 int animation_id, |
| 68 int group_id, | 59 int group_id, |
| 69 TargetProperty target_property); | 60 AnimationTargetProperty target_property); |
| 70 | 61 |
| 71 virtual ~Animation(); | 62 virtual ~Animation(); |
| 72 | 63 |
| 73 int id() const { return id_; } | 64 int id() const { return id_; } |
| 74 int group() const { return group_; } | 65 int group() const { return group_; } |
| 75 TargetProperty target_property() const { return target_property_; } | 66 AnimationTargetProperty target_property() const { return target_property_; } |
| 76 | 67 |
| 77 RunState run_state() const { return run_state_; } | 68 RunState run_state() const { return run_state_; } |
| 78 void SetRunState(RunState run_state, base::TimeTicks monotonic_time); | 69 void SetRunState(RunState run_state, base::TimeTicks monotonic_time); |
| 79 | 70 |
| 80 // This is the number of times that the animation will play. If this | 71 // This is the number of times that the animation will play. If this |
| 81 // value is zero the animation will not play. If it is negative, then | 72 // value is zero the animation will not play. If it is negative, then |
| 82 // the animation will loop indefinitely. | 73 // the animation will loop indefinitely. |
| 83 double iterations() const { return iterations_; } | 74 double iterations() const { return iterations_; } |
| 84 void set_iterations(double n) { iterations_ = n; } | 75 void set_iterations(double n) { iterations_ = n; } |
| 85 | 76 |
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| 168 | 159 |
| 169 void set_affects_pending_observers(bool affects_pending_observers) { | 160 void set_affects_pending_observers(bool affects_pending_observers) { |
| 170 affects_pending_observers_ = affects_pending_observers; | 161 affects_pending_observers_ = affects_pending_observers; |
| 171 } | 162 } |
| 172 bool affects_pending_observers() const { return affects_pending_observers_; } | 163 bool affects_pending_observers() const { return affects_pending_observers_; } |
| 173 | 164 |
| 174 private: | 165 private: |
| 175 Animation(scoped_ptr<AnimationCurve> curve, | 166 Animation(scoped_ptr<AnimationCurve> curve, |
| 176 int animation_id, | 167 int animation_id, |
| 177 int group_id, | 168 int group_id, |
| 178 TargetProperty target_property); | 169 AnimationTargetProperty target_property); |
| 179 | 170 |
| 180 base::TimeDelta ConvertToActiveTime(base::TimeTicks monotonic_time) const; | 171 base::TimeDelta ConvertToActiveTime(base::TimeTicks monotonic_time) const; |
| 181 | 172 |
| 182 scoped_ptr<AnimationCurve> curve_; | 173 scoped_ptr<AnimationCurve> curve_; |
| 183 | 174 |
| 184 // IDs must be unique. | 175 // IDs must be unique. |
| 185 int id_; | 176 int id_; |
| 186 | 177 |
| 187 // Animations that must be run together are called 'grouped' and have the same | 178 // Animations that must be run together are called 'grouped' and have the same |
| 188 // group id. Grouped animations are guaranteed to start at the same time and | 179 // group id. Grouped animations are guaranteed to start at the same time and |
| 189 // no other animations may animate any of the group's target properties until | 180 // no other animations may animate any of the group's target properties until |
| 190 // all animations in the group have finished animating. | 181 // all animations in the group have finished animating. |
| 191 int group_; | 182 int group_; |
| 192 | 183 |
| 193 TargetProperty target_property_; | 184 AnimationTargetProperty target_property_; |
| 194 RunState run_state_; | 185 RunState run_state_; |
| 195 double iterations_; | 186 double iterations_; |
| 196 double iteration_start_; | 187 double iteration_start_; |
| 197 base::TimeTicks start_time_; | 188 base::TimeTicks start_time_; |
| 198 Direction direction_; | 189 Direction direction_; |
| 199 double playback_rate_; | 190 double playback_rate_; |
| 200 FillMode fill_mode_; | 191 FillMode fill_mode_; |
| 201 | 192 |
| 202 // The time offset effectively pushes the start of the animation back in time. | 193 // The time offset effectively pushes the start of the animation back in time. |
| 203 // This is used for resuming paused animations -- an animation is added with a | 194 // This is used for resuming paused animations -- an animation is added with a |
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| 244 // longer affect any observers, and are deleted. | 235 // longer affect any observers, and are deleted. |
| 245 bool affects_active_observers_; | 236 bool affects_active_observers_; |
| 246 bool affects_pending_observers_; | 237 bool affects_pending_observers_; |
| 247 | 238 |
| 248 DISALLOW_COPY_AND_ASSIGN(Animation); | 239 DISALLOW_COPY_AND_ASSIGN(Animation); |
| 249 }; | 240 }; |
| 250 | 241 |
| 251 } // namespace cc | 242 } // namespace cc |
| 252 | 243 |
| 253 #endif // CC_ANIMATION_ANIMATION_H_ | 244 #endif // CC_ANIMATION_ANIMATION_H_ |
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