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Merge "Set a HW layer for Fragment alpha animation" into mnc-dev

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This commit is contained in:
Doris Liu
2015-05-28 01:05:05 +00:00
committed by Android (Google) Code Review
parent 44aef99a00 de9284de88
commit 36e3997451
1 changed files with 89 additions and 0 deletions
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89
core/java/android/app/FragmentManager.java
View File

@@ -19,6 +19,9 @@ package android.app;
import android.animation.Animator;
import android.animation.AnimatorInflater;
import android.animation.AnimatorListenerAdapter;
import android.animation.AnimatorSet;
import android.animation.PropertyValuesHolder;
import android.animation.ValueAnimator;
import android.content.Context;
import android.content.res.Configuration;
import android.content.res.TypedArray;
@@ -403,6 +406,44 @@ final class FragmentManagerImpl extends FragmentManager implements LayoutInflate
static final String VIEW_STATE_TAG = "android:view_state";
static final String USER_VISIBLE_HINT_TAG = "android:user_visible_hint";
static class AnimateOnHWLayerIfNeededListener implements Animator.AnimatorListener {
private boolean mShouldRunOnHWLayer = false;
private View mView;
public AnimateOnHWLayerIfNeededListener(final View v) {
if (v == null) {
return;
}
mView = v;
}
@Override
public void onAnimationStart(Animator animation) {
mShouldRunOnHWLayer = shouldRunOnHWLayer(mView, animation);
if (mShouldRunOnHWLayer) {
mView.setLayerType(View.LAYER_TYPE_HARDWARE, null);
}
}
@Override
public void onAnimationEnd(Animator animation) {
if (mShouldRunOnHWLayer) {
mView.setLayerType(View.LAYER_TYPE_NONE, null);
}
mView = null;
animation.removeListener(this);
}
@Override
public void onAnimationCancel(Animator animation) {
}
@Override
public void onAnimationRepeat(Animator animation) {
}
}
ArrayList<Runnable> mPendingActions;
Runnable[] mTmpActions;
boolean mExecutingActions;
@@ -467,6 +508,50 @@ final class FragmentManagerImpl extends FragmentManager implements LayoutInflate
throw ex;
}
static boolean modifiesAlpha(Animator anim) {
if (anim == null) {
return false;
}
if (anim instanceof ValueAnimator) {
ValueAnimator valueAnim = (ValueAnimator) anim;
PropertyValuesHolder[] values = valueAnim.getValues();
for (int i = 0; i < values.length; i++) {
if (("alpha").equals(values[i].getPropertyName())) {
return true;
}
}
} else if (anim instanceof AnimatorSet) {
List<Animator> animList = ((AnimatorSet) anim).getChildAnimations();
for (int i = 0; i < animList.size(); i++) {
if (modifiesAlpha(animList.get(i))) {
return true;
}
}
}
return false;
}
static boolean shouldRunOnHWLayer(View v, Animator anim) {
if (v == null || anim == null) {
return false;
}
return v.getLayerType() == View.LAYER_TYPE_NONE
&& v.hasOverlappingRendering()
&& modifiesAlpha(anim);
}
/**
* Sets the to be animated view on hardware layer during the animation.
*/
private void setHWLayerAnimListenerIfAlpha(final View v, Animator anim) {
if (v == null || anim == null) {
return;
}
if (shouldRunOnHWLayer(v, anim)) {
anim.addListener(new AnimateOnHWLayerIfNeededListener(v));
}
}
@Override
public FragmentTransaction beginTransaction() {
return new BackStackRecord(this);
@@ -894,6 +979,7 @@ final class FragmentManagerImpl extends FragmentManager implements LayoutInflate
transitionStyle);
if (anim != null) {
anim.setTarget(f.mView);
setHWLayerAnimListenerIfAlpha(f.mView, anim);
anim.start();
}
container.addView(f.mView);
@@ -975,6 +1061,7 @@ final class FragmentManagerImpl extends FragmentManager implements LayoutInflate
}
});
anim.setTarget(f.mView);
setHWLayerAnimListenerIfAlpha(f.mView, anim);
anim.start();
}
@@ -1188,6 +1275,7 @@ final class FragmentManagerImpl extends FragmentManager implements LayoutInflate
}
}
});
setHWLayerAnimListenerIfAlpha(finalFragment.mView, anim);
anim.start();
} else {
fragment.mView.setVisibility(View.GONE);
@@ -1209,6 +1297,7 @@ final class FragmentManagerImpl extends FragmentManager implements LayoutInflate
transitionStyle);
if (anim != null) {
anim.setTarget(fragment.mView);
setHWLayerAnimListenerIfAlpha(fragment.mView, anim);
anim.start();
}
fragment.mView.setVisibility(View.VISIBLE);