am 3c436cb9: Merge "Postpone AnimatedVectorDrawable animator inflation until... (9ddcef8e) · Commits · e / os / android_frameworks_base

graphics/java/android/graphics/drawable/AnimatedVectorDrawable.java

+208 −65

Original line number	Diff line number	Diff line
		@@ -19,6 +19,7 @@ import android.animation.AnimatorInflater;
		import android.animation.AnimatorSet;
		import android.animation.Animator.AnimatorListener;
		import android.annotation.NonNull;
		import android.annotation.Nullable;
		import android.content.res.ColorStateList;
		import android.content.res.Resources;
		import android.content.res.Resources.Theme;
		@@ -128,15 +129,27 @@ import java.util.List;
		* @attr ref android.R.styleable#AnimatedVectorDrawableTarget_animation
		*/
		public class AnimatedVectorDrawable extends Drawable implements Animatable {
		private static final String LOGTAG = AnimatedVectorDrawable.class.getSimpleName();
		private static final String LOGTAG = "AnimatedVectorDrawable";

		private static final String ANIMATED_VECTOR = "animated-vector";
		private static final String TARGET = "target";

		private static final boolean DBG_ANIMATION_VECTOR_DRAWABLE = false;

		/** Local, mutable animator set. */
		private final AnimatorSet mAnimatorSet = new AnimatorSet();

		/**
		* The resources against which this drawable was created. Used to attempt
		* to inflate animators if applyTheme() doesn't get called.
		*/
		private Resources mRes;

		private AnimatedVectorDrawableState mAnimatedVectorState;

		/** Whether the animator set has been prepared. */
		private boolean mHasAnimatorSet;

		private boolean mMutated;

		public AnimatedVectorDrawable() {
		@@ -145,6 +158,7 @@ public class AnimatedVectorDrawable extends Drawable implements Animatable {

		private AnimatedVectorDrawable(AnimatedVectorDrawableState state, Resources res) {
		mAnimatedVectorState = new AnimatedVectorDrawableState(state, mCallback, res);
		mRes = res;
		}

		@Override
		@@ -162,7 +176,9 @@ public class AnimatedVectorDrawable extends Drawable implements Animatable {
		*/
		public void clearMutated() {
		super.clearMutated();
		if (mAnimatedVectorState.mVectorDrawable != null) {
		mAnimatedVectorState.mVectorDrawable.clearMutated();
		}
		mMutated = false;
		}

		@@ -274,6 +290,7 @@ public class AnimatedVectorDrawable extends Drawable implements Animatable {
		@Override
		public void inflate(Resources res, XmlPullParser parser, AttributeSet attrs, Theme theme)
		throws XmlPullParserException, IOException {
		final AnimatedVectorDrawableState state = mAnimatedVectorState;

		int eventType = parser.getEventType();
		float pathErrorScale = 1;
		@@ -291,10 +308,10 @@ public class AnimatedVectorDrawable extends Drawable implements Animatable {
		vectorDrawable.setAllowCaching(false);
		vectorDrawable.setCallback(mCallback);
		pathErrorScale = vectorDrawable.getPixelSize();
		if (mAnimatedVectorState.mVectorDrawable != null) {
		mAnimatedVectorState.mVectorDrawable.setCallback(null);
		if (state.mVectorDrawable != null) {
		state.mVectorDrawable.setCallback(null);
		}
		mAnimatedVectorState.mVectorDrawable = vectorDrawable;
		state.mVectorDrawable = vectorDrawable;
		}
		a.recycle();
		} else if (TARGET.equals(tagName)) {
		@@ -302,13 +319,21 @@ public class AnimatedVectorDrawable extends Drawable implements Animatable {
		R.styleable.AnimatedVectorDrawableTarget);
		final String target = a.getString(
		R.styleable.AnimatedVectorDrawableTarget_name);

		int id = a.getResourceId(
		final int animResId = a.getResourceId(
		R.styleable.AnimatedVectorDrawableTarget_animation, 0);
		if (id != 0) {
		Animator objectAnimator = AnimatorInflater.loadAnimator(res, theme, id,
		pathErrorScale);
		setupAnimatorsForTarget(target, objectAnimator);
		if (animResId != 0) {
		if (theme != null) {
		final Animator objectAnimator = AnimatorInflater.loadAnimator(
		res, theme, animResId, pathErrorScale);
		state.addTargetAnimator(target, objectAnimator);
		} else {
		// The animation may be theme-dependent. As a
		// workaround until Animator has full support for
		// applyTheme(), postpone loading the animator
		// until we have a theme in applyTheme().
		state.addPendingAnimator(animResId, pathErrorScale, target);

		}
		}
		a.recycle();
		}
		@@ -316,15 +341,10 @@ public class AnimatedVectorDrawable extends Drawable implements Animatable {

		eventType = parser.next();
		}
		setupAnimatorSet();
		}

		private void setupAnimatorSet() {
		if (mAnimatedVectorState.mTempAnimators != null) {
		mAnimatedVectorState.mAnimatorSet.playTogether(mAnimatedVectorState.mTempAnimators);
		mAnimatedVectorState.mTempAnimators.clear();
		mAnimatedVectorState.mTempAnimators = null;
		}
		// If we don't have any pending animations, we don't need to hold a
		// reference to the resources.
		mRes = state.mPendingAnims == null ? null : res;
		}

		@Override
		@@ -341,6 +361,16 @@ public class AnimatedVectorDrawable extends Drawable implements Animatable {
		if (vectorDrawable != null && vectorDrawable.canApplyTheme()) {
		vectorDrawable.applyTheme(t);
		}

		if (t != null) {
		mAnimatedVectorState.inflatePendingAnimators(t.getResources(), t);
		}

		// If we don't have any pending animations, we don't need to hold a
		// reference to the resources.
		if (mAnimatedVectorState.mPendingAnims == null) {
		mRes = null;
		}
		}

		/**
		@@ -350,7 +380,7 @@ public class AnimatedVectorDrawable extends Drawable implements Animatable {
		* @param listener the listener to be added to the current set of listeners for this animation.
		*/
		public void addListener(AnimatorListener listener) {
		mAnimatedVectorState.mAnimatorSet.addListener(listener);
		mAnimatorSet.addListener(listener);
		}

		/**
		@@ -360,7 +390,7 @@ public class AnimatedVectorDrawable extends Drawable implements Animatable {
		* animation.
		*/
		public void removeListener(AnimatorListener listener) {
		mAnimatedVectorState.mAnimatorSet.removeListener(listener);
		mAnimatorSet.removeListener(listener);
		}

		/**
		@@ -370,23 +400,27 @@ public class AnimatedVectorDrawable extends Drawable implements Animatable {
		* @return List<AnimatorListener> The set of listeners.
		*/
		public List<AnimatorListener> getListeners() {
		return mAnimatedVectorState.mAnimatorSet.getListeners();
		return mAnimatorSet.getListeners();
		}

		private static class AnimatedVectorDrawableState extends ConstantState {
		int mChangingConfigurations;
		VectorDrawable mVectorDrawable;
		// Always have a valid animatorSet to handle all the listeners call.
		AnimatorSet mAnimatorSet = new AnimatorSet();
		// When parsing the XML, we build individual animator and store in this array. At the end,
		// we add this array into the mAnimatorSet.
		private ArrayList<Animator> mTempAnimators;

		/** Animators that require a theme before inflation. */
		ArrayList<PendingAnimator> mPendingAnims;

		/** Fully inflated animators awaiting cloning into an AnimatorSet. */
		ArrayList<Animator> mAnimators;

		/** Map of animators to their target object names */
		ArrayMap<Animator, String> mTargetNameMap;

		public AnimatedVectorDrawableState(AnimatedVectorDrawableState copy,
		Callback owner, Resources res) {
		if (copy != null) {
		mChangingConfigurations = copy.mChangingConfigurations;

		if (copy.mVectorDrawable != null) {
		final ConstantState cs = copy.mVectorDrawable.getConstantState();
		if (res != null) {
		@@ -400,24 +434,17 @@ public class AnimatedVectorDrawable extends Drawable implements Animatable {
		mVectorDrawable.setBounds(copy.mVectorDrawable.getBounds());
		mVectorDrawable.setAllowCaching(false);
		}
		if (copy.mAnimatorSet != null) {
		final int numAnimators = copy.mTargetNameMap.size();
		// Deep copy a animator set, and then setup the target map again.
		mAnimatorSet = copy.mAnimatorSet.clone();
		mTargetNameMap = new ArrayMap<Animator, String>(numAnimators);
		// Since the new AnimatorSet is cloned from the old one, the order must be the
		// same inside the array.
		ArrayList<Animator> oldAnim = copy.mAnimatorSet.getChildAnimations();
		ArrayList<Animator> newAnim = mAnimatorSet.getChildAnimations();

		for (int i = 0; i < numAnimators; ++i) {
		// Target name must be the same for new and old
		String targetName = copy.mTargetNameMap.get(oldAnim.get(i));
		if (copy.mAnimators != null) {
		mAnimators = new ArrayList<>(copy.mAnimators);
		}

		Object newTargetObject = mVectorDrawable.getTargetByName(targetName);
		newAnim.get(i).setTarget(newTargetObject);
		mTargetNameMap.put(newAnim.get(i), targetName);
		if (copy.mTargetNameMap != null) {
		mTargetNameMap = new ArrayMap<>(copy.mTargetNameMap);
		}

		if (copy.mPendingAnims != null) {
		mPendingAnims = new ArrayList<>(copy.mPendingAnims);
		}
		} else {
		mVectorDrawable = new VectorDrawable();
		@@ -427,7 +454,7 @@ public class AnimatedVectorDrawable extends Drawable implements Animatable {
		@Override
		public boolean canApplyTheme() {
		return (mVectorDrawable != null && mVectorDrawable.canApplyTheme())
		\|\| super.canApplyTheme();
		\|\| mPendingAnims != null \|\| super.canApplyTheme();
		}

		@Override
		@@ -444,44 +471,157 @@ public class AnimatedVectorDrawable extends Drawable implements Animatable {
		public int getChangingConfigurations() {
		return mChangingConfigurations;
		}

		public void addPendingAnimator(int resId, float pathErrorScale, String target) {
		if (mPendingAnims == null) {
		mPendingAnims = new ArrayList<>(1);
		}
		mPendingAnims.add(new PendingAnimator(resId, pathErrorScale, target));
		}

		private void setupAnimatorsForTarget(String name, Animator animator) {
		Object target = mAnimatedVectorState.mVectorDrawable.getTargetByName(name);
		animator.setTarget(target);
		if (mAnimatedVectorState.mTempAnimators == null) {
		mAnimatedVectorState.mTempAnimators = new ArrayList<Animator>();
		mAnimatedVectorState.mTargetNameMap = new ArrayMap<Animator, String>();
		public void addTargetAnimator(String targetName, Animator animator) {
		if (mAnimators == null) {
		mAnimators = new ArrayList<>(1);
		mTargetNameMap = new ArrayMap<>(1);
		}
		mAnimatedVectorState.mTempAnimators.add(animator);
		mAnimatedVectorState.mTargetNameMap.put(animator, name);
		mAnimators.add(animator);
		mTargetNameMap.put(animator, targetName);

		if (DBG_ANIMATION_VECTOR_DRAWABLE) {
		Log.v(LOGTAG, "add animator for target " + name + " " + animator);
		Log.v(LOGTAG, "add animator for target " + targetName + " " + animator);
		}
		}

		/**
		* Prepares a local set of mutable animators based on the constant
		* state.
		* <p>
		* If there are any pending uninflated animators, attempts to inflate
		* them immediately against the provided resources object.
		*
		* @param animatorSet the animator set to which the animators should
		* be added
		* @param res the resources against which to inflate any pending
		* animators, or {@code null} if not available
		*/
		public void prepareLocalAnimators(@NonNull AnimatorSet animatorSet,
		@Nullable Resources res) {
		// Check for uninflated animators. We can remove this after we add
		// support for Animator.applyTheme(). See comments in inflate().
		if (mPendingAnims != null) {
		// Attempt to load animators without applying a theme.
		if (res != null) {
		inflatePendingAnimators(res, null);
		} else {
		Log.e(LOGTAG, "Failed to load animators. Either the AnimatedVectorDrawable"
		+ " must be created using a Resources object or applyTheme() must be"
		+ " called with a non-null Theme object.");
		}

		mPendingAnims = null;
		}

		// Perform a deep copy of the constant state's animators.
		final int count = mAnimators == null ? 0 : mAnimators.size();
		if (count > 0) {
		final Animator firstAnim = prepareLocalAnimator(0);
		final AnimatorSet.Builder builder = animatorSet.play(firstAnim);
		for (int i = 1; i < count; ++i) {
		final Animator nextAnim = prepareLocalAnimator(i);
		builder.with(nextAnim);
		}
		}
		}

		/**
		* Prepares a local animator for the given index within the constant
		* state's list of animators.
		*
		* @param index the index of the animator within the constant state
		*/
		private Animator prepareLocalAnimator(int index) {
		final Animator animator = mAnimators.get(index);
		final Animator localAnimator = animator.clone();
		final String targetName = mTargetNameMap.get(animator);
		final Object target = mVectorDrawable.getTargetByName(targetName);
		localAnimator.setTarget(target);
		return localAnimator;
		}

		/**
		* Inflates pending animators, if any, against a theme. Clears the list of
		* pending animators.
		*
		* @param t the theme against which to inflate the animators
		*/
		public void inflatePendingAnimators(@NonNull Resources res, @Nullable Theme t) {
		final ArrayList<PendingAnimator> pendingAnims = mPendingAnims;
		if (pendingAnims != null) {
		mPendingAnims = null;

		for (int i = 0, count = pendingAnims.size(); i < count; i++) {
		final PendingAnimator pendingAnimator = pendingAnims.get(i);
		final Animator objectAnimator = pendingAnimator.newInstance(res, t);
		addTargetAnimator(pendingAnimator.target, objectAnimator);
		}
		}
		}

		/**
		* Basically a constant state for Animators until we actually implement
		* constant states for Animators.
		*/
		private static class PendingAnimator {
		public final int animResId;
		public final float pathErrorScale;
		public final String target;

		public PendingAnimator(int animResId, float pathErrorScale, String target) {
		this.animResId = animResId;
		this.pathErrorScale = pathErrorScale;
		this.target = target;
		}

		public Animator newInstance(Resources res, Theme theme) {
		return AnimatorInflater.loadAnimator(res, theme, animResId, pathErrorScale);
		}
		}
		}

		@Override
		public boolean isRunning() {
		return mAnimatedVectorState.mAnimatorSet.isRunning();
		return mAnimatorSet.isRunning();
		}

		private boolean isStarted() {
		return mAnimatedVectorState.mAnimatorSet.isStarted();
		return mAnimatorSet.isStarted();
		}

		@Override
		public void start() {
		ensureAnimatorSet();

		// If any one of the animator has not ended, do nothing.
		if (isStarted()) {
		return;
		}
		mAnimatedVectorState.mAnimatorSet.start();

		mAnimatorSet.start();
		invalidateSelf();
		}

		@NonNull
		private void ensureAnimatorSet() {
		if (!mHasAnimatorSet) {
		mAnimatedVectorState.prepareLocalAnimators(mAnimatorSet, mRes);
		mHasAnimatorSet = true;
		mRes = null;
		}
		}

		@Override
		public void stop() {
		mAnimatedVectorState.mAnimatorSet.end();
		mAnimatorSet.end();
		}

		/**
		@@ -492,20 +632,23 @@ public class AnimatedVectorDrawable extends Drawable implements Animatable {
		* @hide
		*/
		public void reverse() {
		// Only reverse when all the animators can be reverse. Otherwise, partially
		// reverse is confusing.
		ensureAnimatorSet();

		// Only reverse when all the animators can be reversed.
		if (!canReverse()) {
		Log.w(LOGTAG, "AnimatedVectorDrawable can't reverse()");
		return;
		}
		mAnimatedVectorState.mAnimatorSet.reverse();

		mAnimatorSet.reverse();
		invalidateSelf();
		}

		/**
		* @hide
		*/
		public boolean canReverse() {
		return mAnimatedVectorState.mAnimatorSet.canReverse();
		return mAnimatorSet.canReverse();
		}

		private final Callback mCallback = new Callback() {