Animator stuff
Bug: 17228458
Change-Id: Id884a429a512f9cd2be0ed16dbd0f10e92b4440d
diff --git a/libs/hwui/AnimationContext.cpp b/libs/hwui/AnimationContext.cpp
new file mode 100644
index 0000000..ec44de3
--- /dev/null
+++ b/libs/hwui/AnimationContext.cpp
@@ -0,0 +1,126 @@
+/*
+ * 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 "TreeInfo.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::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() {
+ LOG_ALWAYS_FATAL_IF(mCurrentFrameAnimations.mNextHandle,
+ "Missed running animations last frame!");
+ AnimationHandle* head = mNextFrameAnimations.mNextHandle;
+ if (head) {
+ mNextFrameAnimations.mNextHandle = NULL;
+ mCurrentFrameAnimations.mNextHandle = head;
+ head->mPreviousHandle = &mCurrentFrameAnimations;
+ }
+ mFrameTimeMs = mClock.computeFrameTimeMs();
+}
+
+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(NULL)
+ , mNextHandle(NULL) {
+}
+
+AnimationHandle::AnimationHandle(RenderNode& animatingNode, AnimationContext& context)
+ : mRenderNode(&animatingNode)
+ , mContext(context)
+ , mPreviousHandle(NULL)
+ , mNextHandle(NULL) {
+ 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 {
+ mRenderNode->animators().setAnimationHandle(NULL);
+ 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 = NULL;
+ mNextHandle = NULL;
+}
+
+} /* namespace uirenderer */
+} /* namespace android */