1 files changed, 129 insertions, 0 deletions
diff --git a/libs/hwui/PropertyValuesAnimatorSet.cpp b/libs/hwui/PropertyValuesAnimatorSet.cpp
new file mode 100644
index 000000000000..eca1afcc54dc
--- /dev/null
+++ b/libs/hwui/PropertyValuesAnimatorSet.cpp
@@ -0,0 +1,129 @@
+/*
+ * Copyright (C) 2016 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 "PropertyValuesAnimatorSet.h"
+#include "RenderNode.h"
+
+namespace android {
+namespace uirenderer {
+
+void PropertyValuesAnimatorSet::addPropertyAnimator(PropertyValuesHolder* propertyValuesHolder,
+            Interpolator* interpolator, nsecs_t startDelay,
+            nsecs_t duration, int repeatCount) {
+
+    PropertyAnimator* animator = new PropertyAnimator(propertyValuesHolder,
+            interpolator, startDelay, duration, repeatCount);
+    mAnimators.emplace_back(animator);
+    setListener(new PropertyAnimatorSetListener(this));
+}
+
+PropertyValuesAnimatorSet::PropertyValuesAnimatorSet()
+        : BaseRenderNodeAnimator(1.0f) {
+    setStartValue(0);
+    mLastFraction = 0.0f;
+    setInterpolator(new LinearInterpolator());
+}
+
+void PropertyValuesAnimatorSet::onFinished(BaseRenderNodeAnimator* animator) {
+    if (mOneShotListener.get()) {
+        mOneShotListener->onAnimationFinished(animator);
+        mOneShotListener = nullptr;
+    }
+}
+
+float PropertyValuesAnimatorSet::getValue(RenderNode* target) const {
+    return mLastFraction;
+}
+
+void PropertyValuesAnimatorSet::setValue(RenderNode* target, float value) {
+    mLastFraction = value;
+}
+
+void PropertyValuesAnimatorSet::onPlayTimeChanged(nsecs_t playTime) {
+    for (size_t i = 0; i < mAnimators.size(); i++) {
+        mAnimators[i]->setCurrentPlayTime(playTime);
+    }
+}
+
+void PropertyValuesAnimatorSet::reset() {
+    // TODO: implement reset through adding a play state because we need to support reset() even
+    // during an animation run.
+}
+
+void PropertyValuesAnimatorSet::start(AnimationListener* listener) {
+    init();
+    mOneShotListener = listener;
+    BaseRenderNodeAnimator::start();
+}
+
+void PropertyValuesAnimatorSet::reverse(AnimationListener* listener) {
+// TODO: implement reverse
+}
+
+void PropertyValuesAnimatorSet::init() {
+    if (mInitialized) {
+        return;
+    }
+    nsecs_t maxDuration = 0;
+    for (size_t i = 0; i < mAnimators.size(); i++) {
+        if (maxDuration < mAnimators[i]->getTotalDuration()) {
+            maxDuration = mAnimators[i]->getTotalDuration();
+        }
+    }
+    mDuration = maxDuration;
+    mInitialized = true;
+}
+
+uint32_t PropertyValuesAnimatorSet::dirtyMask() {
+    return RenderNode::DISPLAY_LIST;
+}
+
+PropertyAnimator::PropertyAnimator(PropertyValuesHolder* holder, Interpolator* interpolator,
+        nsecs_t startDelay, nsecs_t duration, int repeatCount)
+        : mPropertyValuesHolder(holder), mInterpolator(interpolator), mStartDelay(startDelay),
+          mDuration(duration) {
+    if (repeatCount < 0) {
+        mRepeatCount = UINT32_MAX;
+    } else {
+        mRepeatCount = repeatCount;
+    }
+    mTotalDuration = ((nsecs_t) mRepeatCount + 1) * mDuration + mStartDelay;
+}
+
+void PropertyAnimator::setCurrentPlayTime(nsecs_t playTime) {
+    if (playTime >= mStartDelay && playTime < mTotalDuration) {
+         nsecs_t currentIterationPlayTime = (playTime - mStartDelay) % mDuration;
+         mLatestFraction = currentIterationPlayTime / (float) mDuration;
+    } else if (mLatestFraction < 1.0f && playTime >= mTotalDuration) {
+        mLatestFraction = 1.0f;
+    } else {
+        return;
+    }
+
+    setFraction(mLatestFraction);
+}
+
+void PropertyAnimator::setFraction(float fraction) {
+    float interpolatedFraction = mInterpolator->interpolate(mLatestFraction);
+    mPropertyValuesHolder->setFraction(interpolatedFraction);
+}
+
+void PropertyAnimatorSetListener::onAnimationFinished(BaseRenderNodeAnimator* animator) {
+    mSet->onFinished(animator);
+}
+
+}
+}