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am 3458abd6: am 002bc810: Merge "ASLD: ASLD\'s XML reversible flag can turn off the reverse behavior now." into lmp-mr1-dev automerge: e9dbfe5

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* commit '3458abd6a7d0709f0360c1c18cce036bb7bc4299':
  ASLD: ASLD's XML reversible flag can turn off the reverse behavior now.
This commit is contained in:
ztenghui
2014-11-21 03:11:39 +00:00
committed by Android Git Automerger
parent e95b9dd57f 3458abd6a7
commit 5287c18880
11 changed files with 225 additions and 31 deletions
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63
graphics/java/android/graphics/drawable/AnimatedStateListDrawable.java
View File

@@ -199,6 +199,8 @@ public class AnimatedStateListDrawable extends StateListDrawable {
return false;
}
boolean hasReversibleFlag = state.transitionHasReversibleFlag(fromId, toId);
// This may fail if we're already on the transition, but that's okay!
selectDrawable(transitionIndex);
@@ -206,10 +208,14 @@ public class AnimatedStateListDrawable extends StateListDrawable {
final Drawable d = getCurrent();
if (d instanceof AnimationDrawable) {
final boolean reversed = state.isTransitionReversed(fromId, toId);
transition = new AnimationDrawableTransition((AnimationDrawable) d, reversed);
transition = new AnimationDrawableTransition((AnimationDrawable) d,
reversed, hasReversibleFlag);
} else if (d instanceof AnimatedVectorDrawable) {
final boolean reversed = state.isTransitionReversed(fromId, toId);
transition = new AnimatedVectorDrawableTransition((AnimatedVectorDrawable) d, reversed);
transition = new AnimatedVectorDrawableTransition((AnimatedVectorDrawable) d,
reversed, hasReversibleFlag);
} else if (d instanceof Animatable) {
transition = new AnimatableTransition((Animatable) d);
} else {
@@ -260,7 +266,12 @@ public class AnimatedStateListDrawable extends StateListDrawable {
private static class AnimationDrawableTransition extends Transition {
private final ObjectAnimator mAnim;
public AnimationDrawableTransition(AnimationDrawable ad, boolean reversed) {
// Even AnimationDrawable is always reversible technically, but
// we should obey the XML's android:reversible flag.
private final boolean mHasReversibleFlag;
public AnimationDrawableTransition(AnimationDrawable ad,
boolean reversed, boolean hasReversibleFlag) {
final int frameCount = ad.getNumberOfFrames();
final int fromFrame = reversed ? frameCount - 1 : 0;
final int toFrame = reversed ? 0 : frameCount - 1;
@@ -269,13 +280,13 @@ public class AnimatedStateListDrawable extends StateListDrawable {
anim.setAutoCancel(true);
anim.setDuration(interp.getTotalDuration());
anim.setInterpolator(interp);
mHasReversibleFlag = hasReversibleFlag;
mAnim = anim;
}
@Override
public boolean canReverse() {
return true;
return mHasReversibleFlag;
}
@Override
@@ -296,16 +307,28 @@ public class AnimatedStateListDrawable extends StateListDrawable {
private static class AnimatedVectorDrawableTransition extends Transition {
private final AnimatedVectorDrawable mAvd;
// mReversed is indicating the current transition's direction.
private final boolean mReversed;
public AnimatedVectorDrawableTransition(AnimatedVectorDrawable avd, boolean reversed) {
// mHasReversibleFlag is indicating whether the whole transition has
// reversible flag set to true.
// If mHasReversibleFlag is false, then mReversed is always false.
private final boolean mHasReversibleFlag;
public AnimatedVectorDrawableTransition(AnimatedVectorDrawable avd,
boolean reversed, boolean hasReversibleFlag) {
mAvd = avd;
mReversed = reversed;
mHasReversibleFlag = hasReversibleFlag;
}
@Override
public boolean canReverse() {
return mAvd.canReverse();
// When the transition's XML says it is not reversible, then we obey
// it, even if the AVD itself is reversible.
// This will help the single direction transition.
return mAvd.canReverse() && mHasReversibleFlag;
}
@Override
@@ -322,7 +345,8 @@ public class AnimatedStateListDrawable extends StateListDrawable {
if (canReverse()) {
mAvd.reverse();
} else {
Log.w(LOGTAG, "Reverse() is called on a drawable can't reverse");
Log.w(LOGTAG, "Can't reverse, either the reversible is set to false,"
+ " or the AnimatedVectorDrawable can't reverse");
}
}
@@ -520,8 +544,12 @@ public class AnimatedStateListDrawable extends StateListDrawable {
}
static class AnimatedStateListState extends StateListState {
private static final int REVERSE_SHIFT = 32;
private static final int REVERSE_MASK = 0x1;
// REVERSED_BIT is indicating the current transition's direction.
private static final long REVERSED_BIT = 0x100000000l;
// REVERSIBLE_FLAG_BIT is indicating whether the whole transition has
// reversible flag set to true.
private static final long REVERSIBLE_FLAG_BIT = 0x200000000l;
int[] mAnimThemeAttrs;
@@ -545,11 +573,15 @@ public class AnimatedStateListDrawable extends StateListDrawable {
int addTransition(int fromId, int toId, @NonNull Drawable anim, boolean reversible) {
final int pos = super.addChild(anim);
final long keyFromTo = generateTransitionKey(fromId, toId);
mTransitions.append(keyFromTo, pos);
long reversibleBit = 0;
if (reversible) {
reversibleBit = REVERSIBLE_FLAG_BIT;
}
mTransitions.append(keyFromTo, pos | reversibleBit);
if (reversible) {
final long keyToFrom = generateTransitionKey(toId, fromId);
mTransitions.append(keyToFrom, pos | (1L << REVERSE_SHIFT));
mTransitions.append(keyToFrom, pos | REVERSED_BIT | reversibleBit);
}
return addChild(anim);
@@ -581,7 +613,12 @@ public class AnimatedStateListDrawable extends StateListDrawable {
boolean isTransitionReversed(int fromId, int toId) {
final long keyFromTo = generateTransitionKey(fromId, toId);
return (mTransitions.get(keyFromTo, -1) >> REVERSE_SHIFT & REVERSE_MASK) == 1;
return (mTransitions.get(keyFromTo, -1) & REVERSED_BIT) != 0;
}
boolean transitionHasReversibleFlag(int fromId, int toId) {
final long keyFromTo = generateTransitionKey(fromId, toId);
return (mTransitions.get(keyFromTo, -1) & REVERSIBLE_FLAG_BIT) != 0;
}
@Override

15
graphics/java/android/graphics/drawable/AnimatedVectorDrawable.java
View File

@@ -462,19 +462,22 @@ public class AnimatedVectorDrawable extends Drawable implements Animatable {
/**
* Reverses ongoing animations or starts pending animations in reverse.
* <p>
* NOTE: Only works of all animations are ValueAnimators.
* NOTE: Only works if all animations support reverse. Otherwise, this will
* do nothing.
* @hide
*/
public void reverse() {
// Only reverse when all the animators can be reverse. Otherwise, partially
// reverse is confusing.
if (!canReverse()) {
Log.w(LOGTAG, "AnimatedVectorDrawable can't reverse()");
return;
}
final ArrayList<Animator> animators = mAnimatedVectorState.mAnimators;
final int size = animators.size();
for (int i = 0; i < size; i++) {
final Animator animator = animators.get(i);
if (animator.canReverse()) {
animator.reverse();
} else {
Log.w(LOGTAG, "AnimatedVectorDrawable can't reverse()");
}
animator.reverse();
}
}