drgreen/android_frameworks_base
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Fix one cause of slow scrolling in Recents

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Bug: 8208782

Change-Id: I8153001d1cea0c01f929d3091a722fed842038fa
This commit is contained in:
Michael Jurka
2013-02-15 17:35:48 +01:00
parent 00e592272e
commit 67b03701b6
1 changed files with 16 additions and 12 deletions
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28
packages/SystemUI/src/com/android/systemui/SwipeHelper.java
View File

@ -154,6 +154,13 @@ public class SwipeHelper implements Gefingerpoken {
return Math.max(mMinAlpha, result);
}
private void updateAlphaFromOffset(View animView, boolean dismissable) {
if (FADE_OUT_DURING_SWIPE && dismissable) {
animView.setAlpha(getAlphaForOffset(animView));
}
invalidateGlobalRegion(animView);
}
// invalidate the view's own bounds all the way up the view hierarchy
public static void invalidateGlobalRegion(View view) {
invalidateGlobalRegion(
@ -290,10 +297,7 @@ public class SwipeHelper implements Gefingerpoken {
});
anim.addUpdateListener(new AnimatorUpdateListener() {
public void onAnimationUpdate(ValueAnimator animation) {
if (FADE_OUT_DURING_SWIPE && canAnimViewBeDismissed) {
animView.setAlpha(getAlphaForOffset(animView));
}
invalidateGlobalRegion(animView);
updateAlphaFromOffset(animView, canAnimViewBeDismissed);
}
});
anim.start();
@ -307,10 +311,12 @@ public class SwipeHelper implements Gefingerpoken {
anim.setDuration(duration);
anim.addUpdateListener(new AnimatorUpdateListener() {
public void onAnimationUpdate(ValueAnimator animation) {
if (FADE_OUT_DURING_SWIPE && canAnimViewBeDismissed) {
animView.setAlpha(getAlphaForOffset(animView));
}
invalidateGlobalRegion(animView);
updateAlphaFromOffset(animView, canAnimViewBeDismissed);
}
});
anim.addListener(new AnimatorListenerAdapter() {
public void onAnimationEnd(Animator animator) {
updateAlphaFromOffset(animView, canAnimViewBeDismissed);
}
});
anim.start();
@ -347,10 +353,8 @@ public class SwipeHelper implements Gefingerpoken {
}
}
setTranslation(mCurrAnimView, delta);
if (FADE_OUT_DURING_SWIPE && mCanCurrViewBeDimissed) {
mCurrAnimView.setAlpha(getAlphaForOffset(mCurrAnimView));
}
invalidateGlobalRegion(mCurrView);
updateAlphaFromOffset(mCurrAnimView, mCanCurrViewBeDimissed);
}
break;
case MotionEvent.ACTION_UP: