platform_frameworks_base/libs/hwui/AnimationContext.cpp

139 lines
4.6 KiB
C++

/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "AnimationContext.h"
#include "Animator.h"
#include "RenderNode.h"
#include "renderthread/TimeLord.h"
namespace android {
namespace uirenderer {
AnimationContext::AnimationContext(renderthread::TimeLord& clock)
: mClock(clock)
, mCurrentFrameAnimations(*this)
, mNextFrameAnimations(*this)
, mFrameTimeMs(0) {}
AnimationContext::~AnimationContext() {}
void AnimationContext::destroy() {
startFrame(TreeInfo::MODE_RT_ONLY);
while (mCurrentFrameAnimations.mNextHandle) {
AnimationHandle* current = mCurrentFrameAnimations.mNextHandle;
AnimatorManager& animators = current->mRenderNode->animators();
animators.endAllActiveAnimators();
LOG_ALWAYS_FATAL_IF(mCurrentFrameAnimations.mNextHandle == current,
"endAllAnimators failed to remove from current frame list!");
}
}
void AnimationContext::addAnimatingRenderNode(RenderNode& node) {
if (!node.animators().hasAnimationHandle()) {
AnimationHandle* handle = new AnimationHandle(node, *this);
addAnimationHandle(handle);
}
}
void AnimationContext::addAnimationHandle(AnimationHandle* handle) {
handle->insertAfter(&mNextFrameAnimations);
}
void AnimationContext::startFrame(TreeInfo::TraversalMode mode) {
LOG_ALWAYS_FATAL_IF(mCurrentFrameAnimations.mNextHandle,
"Missed running animations last frame!");
AnimationHandle* head = mNextFrameAnimations.mNextHandle;
if (head) {
mNextFrameAnimations.mNextHandle = nullptr;
mCurrentFrameAnimations.mNextHandle = head;
head->mPreviousHandle = &mCurrentFrameAnimations;
}
mFrameTimeMs = ns2ms(mClock.latestVsync());
}
void AnimationContext::runRemainingAnimations(TreeInfo& info) {
while (mCurrentFrameAnimations.mNextHandle) {
AnimationHandle* current = mCurrentFrameAnimations.mNextHandle;
AnimatorManager& animators = current->mRenderNode->animators();
animators.pushStaging();
animators.animateNoDamage(info);
LOG_ALWAYS_FATAL_IF(mCurrentFrameAnimations.mNextHandle == current,
"Animate failed to remove from current frame list!");
}
}
void AnimationContext::callOnFinished(BaseRenderNodeAnimator* animator,
AnimationListener* listener) {
listener->onAnimationFinished(animator);
}
AnimationHandle::AnimationHandle(AnimationContext& context)
: mContext(context), mPreviousHandle(nullptr), mNextHandle(nullptr) {}
AnimationHandle::AnimationHandle(RenderNode& animatingNode, AnimationContext& context)
: mRenderNode(&animatingNode)
, mContext(context)
, mPreviousHandle(nullptr)
, mNextHandle(nullptr) {
mRenderNode->animators().setAnimationHandle(this);
}
AnimationHandle::~AnimationHandle() {
LOG_ALWAYS_FATAL_IF(mPreviousHandle || mNextHandle,
"AnimationHandle destroyed while still animating!");
}
void AnimationHandle::notifyAnimationsRan() {
removeFromList();
if (mRenderNode->animators().hasAnimators()) {
mContext.addAnimationHandle(this);
} else {
release();
}
}
void AnimationHandle::release() {
LOG_ALWAYS_FATAL_IF(mRenderNode->animators().hasAnimators(),
"Releasing the handle for an RenderNode with outstanding animators!");
removeFromList();
mRenderNode->animators().setAnimationHandle(nullptr);
delete this;
}
void AnimationHandle::insertAfter(AnimationHandle* prev) {
removeFromList();
mNextHandle = prev->mNextHandle;
if (mNextHandle) {
mNextHandle->mPreviousHandle = this;
}
prev->mNextHandle = this;
mPreviousHandle = prev;
}
void AnimationHandle::removeFromList() {
if (mPreviousHandle) {
mPreviousHandle->mNextHandle = mNextHandle;
}
if (mNextHandle) {
mNextHandle->mPreviousHandle = mPreviousHandle;
}
mPreviousHandle = nullptr;
mNextHandle = nullptr;
}
} /* namespace uirenderer */
} /* namespace android */