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authorDoris Liu <tianliu@google.com>2016-08-03 17:54:28 -0700
committerDoris Liu <tianliu@google.com>2016-08-05 01:44:20 +0000
commitf7167e8f286cff91dec01fdf617bf568f1d100e6 (patch)
treef58d8288ef2ea02fdc8408dcc31e789c543983f8 /libs
parent6f20514185f836bbab48fe3867d3b249da573ec9 (diff)
downloadandroid-frameworks-base-f7167e8f286cff91dec01fdf617bf568f1d100e6.tar.gz
android-frameworks-base-f7167e8f286cff91dec01fdf617bf568f1d100e6.tar.xz
Support repeatMode = reverse in AVD
BUG: 30641232 Change-Id: I34c823a0a45c8441873a9b467275174c5529994b
Diffstat (limited to 'libs')
-rw-r--r--libs/hwui/Animator.h6
-rw-r--r--libs/hwui/PropertyValuesAnimatorSet.cpp60
-rw-r--r--libs/hwui/PropertyValuesAnimatorSet.h10
3 files changed, 50 insertions, 26 deletions
diff --git a/libs/hwui/Animator.h b/libs/hwui/Animator.h
index 9476750..259f21b 100644
--- a/libs/hwui/Animator.h
+++ b/libs/hwui/Animator.h
@@ -44,6 +44,12 @@ protected:
ANDROID_API virtual ~AnimationListener() {}
};
+enum class RepeatMode {
+ // These are the same values as the RESTART and REVERSE in ValueAnimator.java.
+ Restart = 1,
+ Reverse = 2
+};
+
class BaseRenderNodeAnimator : public VirtualLightRefBase {
PREVENT_COPY_AND_ASSIGN(BaseRenderNodeAnimator);
public:
diff --git a/libs/hwui/PropertyValuesAnimatorSet.cpp b/libs/hwui/PropertyValuesAnimatorSet.cpp
index 796c73b..961132e 100644
--- a/libs/hwui/PropertyValuesAnimatorSet.cpp
+++ b/libs/hwui/PropertyValuesAnimatorSet.cpp
@@ -23,11 +23,11 @@ namespace android {
namespace uirenderer {
void PropertyValuesAnimatorSet::addPropertyAnimator(PropertyValuesHolder* propertyValuesHolder,
- Interpolator* interpolator, nsecs_t startDelay,
- nsecs_t duration, int repeatCount) {
+ Interpolator* interpolator, nsecs_t startDelay, nsecs_t duration, int repeatCount,
+ RepeatMode repeatMode) {
PropertyAnimator* animator = new PropertyAnimator(propertyValuesHolder,
- interpolator, startDelay, duration, repeatCount);
+ interpolator, startDelay, duration, repeatCount, repeatMode);
mAnimators.emplace_back(animator);
// Check whether any child animator is infinite after adding it them to the set.
@@ -66,14 +66,9 @@ void PropertyValuesAnimatorSet::onPlayTimeChanged(nsecs_t playTime) {
// Note that this set may containing animators modifying the same property, so when we
// reset the animators, we need to make sure the animators that end the first will
// have the final say on what the property value should be.
- (*it)->setFraction(0);
+ (*it)->setFraction(0, 0);
}
- } else if (playTime >= mDuration) {
- // Skip all the animators to end
- for (auto& anim : mAnimators) {
- anim->setFraction(1);
- }
- } else {
+ } else {
for (auto& anim : mAnimators) {
anim->setCurrentPlayTime(playTime);
}
@@ -124,7 +119,8 @@ uint32_t PropertyValuesAnimatorSet::dirtyMask() {
}
PropertyAnimator::PropertyAnimator(PropertyValuesHolder* holder, Interpolator* interpolator,
- nsecs_t startDelay, nsecs_t duration, int repeatCount)
+ nsecs_t startDelay, nsecs_t duration, int repeatCount,
+ RepeatMode repeatMode)
: mPropertyValuesHolder(holder), mInterpolator(interpolator), mStartDelay(startDelay),
mDuration(duration) {
if (repeatCount < 0) {
@@ -132,24 +128,44 @@ PropertyAnimator::PropertyAnimator(PropertyValuesHolder* holder, Interpolator* i
} else {
mRepeatCount = repeatCount;
}
+ mRepeatMode = repeatMode;
mTotalDuration = ((nsecs_t) mRepeatCount + 1) * mDuration + mStartDelay;
}
void PropertyAnimator::setCurrentPlayTime(nsecs_t playTime) {
- if (playTime >= mStartDelay && playTime < mTotalDuration) {
- nsecs_t currentIterationPlayTime = (playTime - mStartDelay) % mDuration;
- float fraction = currentIterationPlayTime / (float) mDuration;
- setFraction(fraction);
- } else if (mLatestFraction < 1.0f && playTime >= mTotalDuration) {
- // This makes sure we only set the fraction = 1 once. It is needed because there might
- // be another animator modifying the same property after this animator finishes, we need
- // to make sure we don't set conflicting values on the same property within one frame.
- setFraction(1.0f);
+ if (playTime < mStartDelay) {
+ return;
}
+
+ float currentIterationFraction;
+ long iteration;
+ if (playTime >= mTotalDuration) {
+ // Reached the end of the animation.
+ iteration = mRepeatCount;
+ currentIterationFraction = 1.0f;
+ } else {
+ // play time here is in range [mStartDelay, mTotalDuration)
+ iteration = (playTime - mStartDelay) / mDuration;
+ currentIterationFraction = ((playTime - mStartDelay) % mDuration) / (float) mDuration;
+ }
+ setFraction(currentIterationFraction, iteration);
}
-void PropertyAnimator::setFraction(float fraction) {
- mLatestFraction = fraction;
+void PropertyAnimator::setFraction(float fraction, long iteration) {
+ double totalFraction = fraction + iteration;
+ // This makes sure we only set the fraction = repeatCount + 1 once. It is needed because there
+ // might be another animator modifying the same property after this animator finishes, we need
+ // to make sure we don't set conflicting values on the same property within one frame.
+ if ((mLatestFraction == mRepeatCount + 1) && (totalFraction >= mRepeatCount + 1)) {
+ return;
+ }
+
+ mLatestFraction = totalFraction;
+ // Check the play direction (i.e. reverse or restart) every other iteration, and calculate the
+ // fraction based on the play direction.
+ if (iteration % 2 && mRepeatMode == RepeatMode::Reverse) {
+ fraction = 1.0f - fraction;
+ }
float interpolatedFraction = mInterpolator->interpolate(fraction);
mPropertyValuesHolder->setFraction(interpolatedFraction);
}
diff --git a/libs/hwui/PropertyValuesAnimatorSet.h b/libs/hwui/PropertyValuesAnimatorSet.h
index f9274e1..e208b08 100644
--- a/libs/hwui/PropertyValuesAnimatorSet.h
+++ b/libs/hwui/PropertyValuesAnimatorSet.h
@@ -26,12 +26,13 @@ namespace uirenderer {
class PropertyAnimator {
public:
PropertyAnimator(PropertyValuesHolder* holder, Interpolator* interpolator, nsecs_t startDelay,
- nsecs_t duration, int repeatCount);
+ nsecs_t duration, int repeatCount, RepeatMode repeatMode);
void setCurrentPlayTime(nsecs_t playTime);
nsecs_t getTotalDuration() {
return mTotalDuration;
}
- void setFraction(float fraction);
+ // fraction range: [0, 1], iteration range [0, repeatCount]
+ void setFraction(float fraction, long iteration);
private:
std::unique_ptr<PropertyValuesHolder> mPropertyValuesHolder;
@@ -40,7 +41,8 @@ private:
nsecs_t mDuration;
uint32_t mRepeatCount;
nsecs_t mTotalDuration;
- float mLatestFraction = 0.0f;
+ RepeatMode mRepeatMode;
+ double mLatestFraction = 0;
};
// TODO: This class should really be named VectorDrawableAnimator
@@ -56,7 +58,7 @@ public:
void addPropertyAnimator(PropertyValuesHolder* propertyValuesHolder,
Interpolator* interpolators, int64_t startDelays,
- nsecs_t durations, int repeatCount);
+ nsecs_t durations, int repeatCount, RepeatMode repeatMode);
virtual uint32_t dirtyMask();
bool isInfinite() { return mIsInfinite; }
void setVectorDrawable(VectorDrawableRoot* vd) { mVectorDrawable = vd; }