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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 #include "cc/active_animation.h" | 5 #include "cc/animation.h" |
| 6 | 6 |
| 7 #include <cmath> | 7 #include <cmath> |
| 8 | 8 |
| 9 #include "base/debug/trace_event.h" | 9 #include "base/debug/trace_event.h" |
| 10 #include "base/string_util.h" | 10 #include "base/string_util.h" |
| 11 #include "cc/animation_curve.h" | 11 #include "cc/animation_curve.h" |
| 12 | 12 |
| 13 namespace { | 13 namespace { |
| 14 | 14 |
| 15 // This should match the RunState enum. | 15 // This should match the RunState enum. |
| 16 static const char* const s_runStateNames[] = { | 16 static const char* const s_runStateNames[] = { |
| 17 "WaitingForNextTick", | 17 "WaitingForNextTick", |
| 18 "WaitingForTargetAvailability", | 18 "WaitingForTargetAvailability", |
| 19 "WaitingForStartTime", | 19 "WaitingForStartTime", |
| 20 "WaitingForDeletion", | 20 "WaitingForDeletion", |
| 21 "Running", | 21 "Running", |
| 22 "Paused", | 22 "Paused", |
| 23 "Finished", | 23 "Finished", |
| 24 "Aborted" | 24 "Aborted" |
| 25 }; | 25 }; |
| 26 | 26 |
| 27 COMPILE_ASSERT(static_cast<int>(cc::ActiveAnimation::RunStateEnumSize) == arrays
ize(s_runStateNames), RunState_names_match_enum); | 27 COMPILE_ASSERT(static_cast<int>(cc::Animation::RunStateEnumSize) == arraysize(s_
runStateNames), RunState_names_match_enum); |
| 28 | 28 |
| 29 // This should match the TargetProperty enum. | 29 // This should match the TargetProperty enum. |
| 30 static const char* const s_targetPropertyNames[] = { | 30 static const char* const s_targetPropertyNames[] = { |
| 31 "Transform", | 31 "Transform", |
| 32 "Opacity" | 32 "Opacity" |
| 33 }; | 33 }; |
| 34 | 34 |
| 35 COMPILE_ASSERT(static_cast<int>(cc::ActiveAnimation::TargetPropertyEnumSize) ==
arraysize(s_targetPropertyNames), TargetProperty_names_match_enum); | 35 COMPILE_ASSERT(static_cast<int>(cc::Animation::TargetPropertyEnumSize) == arrays
ize(s_targetPropertyNames), TargetProperty_names_match_enum); |
| 36 | 36 |
| 37 } // namespace | 37 } // namespace |
| 38 | 38 |
| 39 namespace cc { | 39 namespace cc { |
| 40 | 40 |
| 41 scoped_ptr<ActiveAnimation> ActiveAnimation::create(scoped_ptr<AnimationCurve> c
urve, int animationId, int groupId, TargetProperty targetProperty) | 41 scoped_ptr<Animation> Animation::create(scoped_ptr<AnimationCurve> curve, int an
imationId, int groupId, TargetProperty targetProperty) |
| 42 { | 42 { |
| 43 return make_scoped_ptr(new ActiveAnimation(curve.Pass(), animationId, groupI
d, targetProperty)); | 43 return make_scoped_ptr(new Animation(curve.Pass(), animationId, groupId, tar
getProperty)); |
| 44 } | 44 } |
| 45 | 45 |
| 46 ActiveAnimation::ActiveAnimation(scoped_ptr<AnimationCurve> curve, int animation
Id, int groupId, TargetProperty targetProperty) | 46 Animation::Animation(scoped_ptr<AnimationCurve> curve, int animationId, int grou
pId, TargetProperty targetProperty) |
| 47 : m_curve(curve.Pass()) | 47 : m_curve(curve.Pass()) |
| 48 , m_id(animationId) | 48 , m_id(animationId) |
| 49 , m_group(groupId) | 49 , m_group(groupId) |
| 50 , m_targetProperty(targetProperty) | 50 , m_targetProperty(targetProperty) |
| 51 , m_runState(WaitingForTargetAvailability) | 51 , m_runState(WaitingForTargetAvailability) |
| 52 , m_iterations(1) | 52 , m_iterations(1) |
| 53 , m_startTime(0) | 53 , m_startTime(0) |
| 54 , m_alternatesDirection(false) | 54 , m_alternatesDirection(false) |
| 55 , m_timeOffset(0) | 55 , m_timeOffset(0) |
| 56 , m_needsSynchronizedStartTime(false) | 56 , m_needsSynchronizedStartTime(false) |
| 57 , m_suspended(false) | 57 , m_suspended(false) |
| 58 , m_pauseTime(0) | 58 , m_pauseTime(0) |
| 59 , m_totalPausedTime(0) | 59 , m_totalPausedTime(0) |
| 60 , m_isControllingInstance(false) | 60 , m_isControllingInstance(false) |
| 61 { | 61 { |
| 62 } | 62 } |
| 63 | 63 |
| 64 ActiveAnimation::~ActiveAnimation() | 64 Animation::~Animation() |
| 65 { | 65 { |
| 66 if (m_runState == Running || m_runState == Paused) | 66 if (m_runState == Running || m_runState == Paused) |
| 67 setRunState(Aborted, 0); | 67 setRunState(Aborted, 0); |
| 68 } | 68 } |
| 69 | 69 |
| 70 void ActiveAnimation::setRunState(RunState runState, double monotonicTime) | 70 void Animation::setRunState(RunState runState, double monotonicTime) |
| 71 { | 71 { |
| 72 if (m_suspended) | 72 if (m_suspended) |
| 73 return; | 73 return; |
| 74 | 74 |
| 75 char nameBuffer[256]; | 75 char nameBuffer[256]; |
| 76 base::snprintf(nameBuffer, sizeof(nameBuffer), "%s-%d%s", s_targetPropertyNa
mes[m_targetProperty], m_group, m_isControllingInstance ? "(impl)" : ""); | 76 base::snprintf(nameBuffer, sizeof(nameBuffer), "%s-%d%s", s_targetPropertyNa
mes[m_targetProperty], m_group, m_isControllingInstance ? "(impl)" : ""); |
| 77 | 77 |
| 78 bool isWaitingToStart = m_runState == WaitingForNextTick | 78 bool isWaitingToStart = m_runState == WaitingForNextTick |
| 79 || m_runState == WaitingForTargetAvailability | 79 || m_runState == WaitingForTargetAvailability |
| 80 || m_runState == WaitingForStartTime; | 80 || m_runState == WaitingForStartTime; |
| 81 | 81 |
| 82 if (isWaitingToStart && runState == Running) | 82 if (isWaitingToStart && runState == Running) |
| 83 TRACE_EVENT_ASYNC_BEGIN1("cc", "ActiveAnimation", this, "Name", TRACE_ST
R_COPY(nameBuffer)); | 83 TRACE_EVENT_ASYNC_BEGIN1("cc", "Animation", this, "Name", TRACE_STR_COPY
(nameBuffer)); |
| 84 | 84 |
| 85 bool wasFinished = isFinished(); | 85 bool wasFinished = isFinished(); |
| 86 | 86 |
| 87 const char* oldRunStateName = s_runStateNames[m_runState]; | 87 const char* oldRunStateName = s_runStateNames[m_runState]; |
| 88 | 88 |
| 89 if (runState == Running && m_runState == Paused) | 89 if (runState == Running && m_runState == Paused) |
| 90 m_totalPausedTime += monotonicTime - m_pauseTime; | 90 m_totalPausedTime += monotonicTime - m_pauseTime; |
| 91 else if (runState == Paused) | 91 else if (runState == Paused) |
| 92 m_pauseTime = monotonicTime; | 92 m_pauseTime = monotonicTime; |
| 93 m_runState = runState; | 93 m_runState = runState; |
| 94 | 94 |
| 95 const char* newRunStateName = s_runStateNames[runState]; | 95 const char* newRunStateName = s_runStateNames[runState]; |
| 96 | 96 |
| 97 if (!wasFinished && isFinished()) | 97 if (!wasFinished && isFinished()) |
| 98 TRACE_EVENT_ASYNC_END0("cc", "ActiveAnimation", this); | 98 TRACE_EVENT_ASYNC_END0("cc", "Animation", this); |
| 99 | 99 |
| 100 char stateBuffer[256]; | 100 char stateBuffer[256]; |
| 101 base::snprintf(stateBuffer, sizeof(stateBuffer), "%s->%s", oldRunStateName,
newRunStateName); | 101 base::snprintf(stateBuffer, sizeof(stateBuffer), "%s->%s", oldRunStateName,
newRunStateName); |
| 102 | 102 |
| 103 TRACE_EVENT_INSTANT2("cc", "LayerAnimationController::setRunState", "Name",
TRACE_STR_COPY(nameBuffer), "State", TRACE_STR_COPY(stateBuffer)); | 103 TRACE_EVENT_INSTANT2("cc", "LayerAnimationController::setRunState", "Name",
TRACE_STR_COPY(nameBuffer), "State", TRACE_STR_COPY(stateBuffer)); |
| 104 } | 104 } |
| 105 | 105 |
| 106 void ActiveAnimation::suspend(double monotonicTime) | 106 void Animation::suspend(double monotonicTime) |
| 107 { | 107 { |
| 108 setRunState(Paused, monotonicTime); | 108 setRunState(Paused, monotonicTime); |
| 109 m_suspended = true; | 109 m_suspended = true; |
| 110 } | 110 } |
| 111 | 111 |
| 112 void ActiveAnimation::resume(double monotonicTime) | 112 void Animation::resume(double monotonicTime) |
| 113 { | 113 { |
| 114 m_suspended = false; | 114 m_suspended = false; |
| 115 setRunState(Running, monotonicTime); | 115 setRunState(Running, monotonicTime); |
| 116 } | 116 } |
| 117 | 117 |
| 118 bool ActiveAnimation::isFinishedAt(double monotonicTime) const | 118 bool Animation::isFinishedAt(double monotonicTime) const |
| 119 { | 119 { |
| 120 if (isFinished()) | 120 if (isFinished()) |
| 121 return true; | 121 return true; |
| 122 | 122 |
| 123 if (m_needsSynchronizedStartTime) | 123 if (m_needsSynchronizedStartTime) |
| 124 return false; | 124 return false; |
| 125 | 125 |
| 126 return m_runState == Running | 126 return m_runState == Running |
| 127 && m_iterations >= 0 | 127 && m_iterations >= 0 |
| 128 && m_iterations * m_curve->duration() <= monotonicTime - startTime() - m
_totalPausedTime; | 128 && m_iterations * m_curve->duration() <= monotonicTime - startTime() - m
_totalPausedTime; |
| 129 } | 129 } |
| 130 | 130 |
| 131 double ActiveAnimation::trimTimeToCurrentIteration(double monotonicTime) const | 131 double Animation::trimTimeToCurrentIteration(double monotonicTime) const |
| 132 { | 132 { |
| 133 double trimmed = monotonicTime + m_timeOffset; | 133 double trimmed = monotonicTime + m_timeOffset; |
| 134 | 134 |
| 135 // If we're paused, time is 'stuck' at the pause time. | 135 // If we're paused, time is 'stuck' at the pause time. |
| 136 if (m_runState == Paused) | 136 if (m_runState == Paused) |
| 137 trimmed = m_pauseTime; | 137 trimmed = m_pauseTime; |
| 138 | 138 |
| 139 // Returned time should always be relative to the start time and should subt
ract | 139 // Returned time should always be relative to the start time and should subt
ract |
| 140 // all time spent paused. | 140 // all time spent paused. |
| 141 trimmed -= m_startTime + m_totalPausedTime; | 141 trimmed -= m_startTime + m_totalPausedTime; |
| (...skipping 27 matching lines...) Expand all Loading... |
| 169 // Calculate x where trimmed = x + n * m_curve->duration() for some positive
integer n. | 169 // Calculate x where trimmed = x + n * m_curve->duration() for some positive
integer n. |
| 170 trimmed = fmod(trimmed, m_curve->duration()); | 170 trimmed = fmod(trimmed, m_curve->duration()); |
| 171 | 171 |
| 172 // If we're alternating and on an odd iteration, reverse the direction. | 172 // If we're alternating and on an odd iteration, reverse the direction. |
| 173 if (m_alternatesDirection && iteration % 2 == 1) | 173 if (m_alternatesDirection && iteration % 2 == 1) |
| 174 return m_curve->duration() - trimmed; | 174 return m_curve->duration() - trimmed; |
| 175 | 175 |
| 176 return trimmed; | 176 return trimmed; |
| 177 } | 177 } |
| 178 | 178 |
| 179 scoped_ptr<ActiveAnimation> ActiveAnimation::clone(InstanceType instanceType) co
nst | 179 scoped_ptr<Animation> Animation::clone(InstanceType instanceType) const |
| 180 { | 180 { |
| 181 return cloneAndInitialize(instanceType, m_runState, m_startTime); | 181 return cloneAndInitialize(instanceType, m_runState, m_startTime); |
| 182 } | 182 } |
| 183 | 183 |
| 184 scoped_ptr<ActiveAnimation> ActiveAnimation::cloneAndInitialize(InstanceType ins
tanceType, RunState initialRunState, double startTime) const | 184 scoped_ptr<Animation> Animation::cloneAndInitialize(InstanceType instanceType, R
unState initialRunState, double startTime) const |
| 185 { | 185 { |
| 186 scoped_ptr<ActiveAnimation> toReturn(new ActiveAnimation(m_curve->clone(), m
_id, m_group, m_targetProperty)); | 186 scoped_ptr<Animation> toReturn(new Animation(m_curve->clone(), m_id, m_group
, m_targetProperty)); |
| 187 toReturn->m_runState = initialRunState; | 187 toReturn->m_runState = initialRunState; |
| 188 toReturn->m_iterations = m_iterations; | 188 toReturn->m_iterations = m_iterations; |
| 189 toReturn->m_startTime = startTime; | 189 toReturn->m_startTime = startTime; |
| 190 toReturn->m_pauseTime = m_pauseTime; | 190 toReturn->m_pauseTime = m_pauseTime; |
| 191 toReturn->m_totalPausedTime = m_totalPausedTime; | 191 toReturn->m_totalPausedTime = m_totalPausedTime; |
| 192 toReturn->m_timeOffset = m_timeOffset; | 192 toReturn->m_timeOffset = m_timeOffset; |
| 193 toReturn->m_alternatesDirection = m_alternatesDirection; | 193 toReturn->m_alternatesDirection = m_alternatesDirection; |
| 194 toReturn->m_isControllingInstance = instanceType == ControllingInstance; | 194 toReturn->m_isControllingInstance = instanceType == ControllingInstance; |
| 195 return toReturn.Pass(); | 195 return toReturn.Pass(); |
| 196 } | 196 } |
| 197 | 197 |
| 198 void ActiveAnimation::pushPropertiesTo(ActiveAnimation* other) const | 198 void Animation::pushPropertiesTo(Animation* other) const |
| 199 { | 199 { |
| 200 // Currently, we only push changes due to pausing and resuming animations on
the main thread. | 200 // Currently, we only push changes due to pausing and resuming animations on
the main thread. |
| 201 if (m_runState == ActiveAnimation::Paused || other->m_runState == ActiveAnim
ation::Paused) { | 201 if (m_runState == Animation::Paused || other->m_runState == Animation::Pause
d) { |
| 202 other->m_runState = m_runState; | 202 other->m_runState = m_runState; |
| 203 other->m_pauseTime = m_pauseTime; | 203 other->m_pauseTime = m_pauseTime; |
| 204 other->m_totalPausedTime = m_totalPausedTime; | 204 other->m_totalPausedTime = m_totalPausedTime; |
| 205 } | 205 } |
| 206 } | 206 } |
| 207 | 207 |
| 208 } // namespace cc | 208 } // namespace cc |
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