1 /*
2 * Copyright (C) 2014 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 #include "AnimationContext.h"
17
18 #include "Animator.h"
19 #include "RenderNode.h"
20 #include "renderthread/TimeLord.h"
21
22 namespace android {
23 namespace uirenderer {
24
AnimationContext(renderthread::TimeLord & clock)25 AnimationContext::AnimationContext(renderthread::TimeLord& clock)
26 : mClock(clock)
27 , mCurrentFrameAnimations(*this)
28 , mNextFrameAnimations(*this)
29 , mFrameTimeMs(0) {}
30
~AnimationContext()31 AnimationContext::~AnimationContext() {}
32
destroy()33 void AnimationContext::destroy() {
34 startFrame(TreeInfo::MODE_RT_ONLY);
35 while (mCurrentFrameAnimations.mNextHandle) {
36 AnimationHandle* current = mCurrentFrameAnimations.mNextHandle;
37 AnimatorManager& animators = current->mRenderNode->animators();
38 animators.endAllActiveAnimators();
39 LOG_ALWAYS_FATAL_IF(mCurrentFrameAnimations.mNextHandle == current,
40 "endAllAnimators failed to remove from current frame list!");
41 }
42 }
43
addAnimatingRenderNode(RenderNode & node)44 void AnimationContext::addAnimatingRenderNode(RenderNode& node) {
45 if (!node.animators().hasAnimationHandle()) {
46 AnimationHandle* handle = new AnimationHandle(node, *this);
47 addAnimationHandle(handle);
48 }
49 }
50
addAnimationHandle(AnimationHandle * handle)51 void AnimationContext::addAnimationHandle(AnimationHandle* handle) {
52 handle->insertAfter(&mNextFrameAnimations);
53 }
54
startFrame(TreeInfo::TraversalMode mode)55 void AnimationContext::startFrame(TreeInfo::TraversalMode mode) {
56 LOG_ALWAYS_FATAL_IF(mCurrentFrameAnimations.mNextHandle,
57 "Missed running animations last frame!");
58 AnimationHandle* head = mNextFrameAnimations.mNextHandle;
59 if (head) {
60 mNextFrameAnimations.mNextHandle = nullptr;
61 mCurrentFrameAnimations.mNextHandle = head;
62 head->mPreviousHandle = &mCurrentFrameAnimations;
63 }
64 mFrameTimeMs = ns2ms(mClock.latestVsync());
65 }
66
runRemainingAnimations(TreeInfo & info)67 void AnimationContext::runRemainingAnimations(TreeInfo& info) {
68 while (mCurrentFrameAnimations.mNextHandle) {
69 AnimationHandle* current = mCurrentFrameAnimations.mNextHandle;
70 AnimatorManager& animators = current->mRenderNode->animators();
71 animators.pushStaging();
72 animators.animateNoDamage(info);
73 LOG_ALWAYS_FATAL_IF(mCurrentFrameAnimations.mNextHandle == current,
74 "Animate failed to remove from current frame list!");
75 }
76 }
77
callOnFinished(BaseRenderNodeAnimator * animator,AnimationListener * listener)78 void AnimationContext::callOnFinished(BaseRenderNodeAnimator* animator,
79 AnimationListener* listener) {
80 listener->onAnimationFinished(animator);
81 }
82
AnimationHandle(AnimationContext & context)83 AnimationHandle::AnimationHandle(AnimationContext& context)
84 : mContext(context), mPreviousHandle(nullptr), mNextHandle(nullptr) {}
85
AnimationHandle(RenderNode & animatingNode,AnimationContext & context)86 AnimationHandle::AnimationHandle(RenderNode& animatingNode, AnimationContext& context)
87 : mRenderNode(&animatingNode)
88 , mContext(context)
89 , mPreviousHandle(nullptr)
90 , mNextHandle(nullptr) {
91 mRenderNode->animators().setAnimationHandle(this);
92 }
93
~AnimationHandle()94 AnimationHandle::~AnimationHandle() {
95 LOG_ALWAYS_FATAL_IF(mPreviousHandle || mNextHandle,
96 "AnimationHandle destroyed while still animating!");
97 }
98
notifyAnimationsRan()99 void AnimationHandle::notifyAnimationsRan() {
100 removeFromList();
101 if (mRenderNode->animators().hasAnimators()) {
102 mContext.addAnimationHandle(this);
103 } else {
104 release();
105 }
106 }
107
release()108 void AnimationHandle::release() {
109 LOG_ALWAYS_FATAL_IF(mRenderNode->animators().hasAnimators(),
110 "Releasing the handle for an RenderNode with outstanding animators!");
111 removeFromList();
112 mRenderNode->animators().setAnimationHandle(nullptr);
113 delete this;
114 }
115
insertAfter(AnimationHandle * prev)116 void AnimationHandle::insertAfter(AnimationHandle* prev) {
117 removeFromList();
118 mNextHandle = prev->mNextHandle;
119 if (mNextHandle) {
120 mNextHandle->mPreviousHandle = this;
121 }
122 prev->mNextHandle = this;
123 mPreviousHandle = prev;
124 }
125
removeFromList()126 void AnimationHandle::removeFromList() {
127 if (mPreviousHandle) {
128 mPreviousHandle->mNextHandle = mNextHandle;
129 }
130 if (mNextHandle) {
131 mNextHandle->mPreviousHandle = mPreviousHandle;
132 }
133 mPreviousHandle = nullptr;
134 mNextHandle = nullptr;
135 }
136
137 } /* namespace uirenderer */
138 } /* namespace android */
139