Support for list selector ripple during arrow movement & drag (de399397) · Commits · e / os / android_frameworks_base

core/java/android/widget/AbsListView.java

+24 −0

Original line number	Diff line number	Diff line
		@@ -110,6 +110,7 @@ public abstract class AbsListView extends AdapterView<ListAdapter> implements Te
		* @see #setTranscriptMode(int)
		*/
		public static final int TRANSCRIPT_MODE_DISABLED = 0;

		/**
		* The list will automatically scroll to the bottom when a data set change
		* notification is received and only if the last item is already visible
		@@ -118,6 +119,7 @@ public abstract class AbsListView extends AdapterView<ListAdapter> implements Te
		* @see #setTranscriptMode(int)
		*/
		public static final int TRANSCRIPT_MODE_NORMAL = 1;

		/**
		* The list will automatically scroll to the bottom, no matter what items
		* are currently visible.
		@@ -2489,8 +2491,30 @@ public abstract class AbsListView extends AdapterView<ListAdapter> implements Te
		}
		}

		/**
		* Positions the selector in a way that mimics keyboard focus. If the
		* selector drawable supports hotspots, this manages the focus hotspot.
		*/
		void positionSelectorLikeFocus(int position, View sel) {
		positionSelector(position, sel);

		final Drawable selector = mSelector;
		if (selector != null && selector.supportsHotspots() && position != INVALID_POSITION) {
		final Rect bounds = mSelectorRect;
		final float x = bounds.exactCenterX();
		final float y = bounds.exactCenterY();
		selector.setHotspot(R.attr.state_focused, x, y);
		}
		}

		void positionSelector(int position, View sel) {
		if (position != INVALID_POSITION) {
		if (mSelectorPosition != position) {
		final Drawable selector = mSelector;
		if (selector != null && selector.supportsHotspots()) {
		selector.clearHotspots();
		}
		}
		mSelectorPosition = position;
		}

core/java/android/widget/ListPopupWindow.java

+1 −1

Original line number	Diff line number	Diff line
		@@ -1565,7 +1565,7 @@ public class ListPopupWindow {

		// Ensure that keyboard focus starts from the last touched position.
		setSelectedPositionInt(position);
		positionSelector(position, child);
		positionSelectorLikeFocus(position, child);

		// Refresh the drawable state to reflect the new pressed state,
		// which will also update the selector state.

core/java/android/widget/ListView.java

+1 −1

Original line number	Diff line number	Diff line
		@@ -2564,7 +2564,7 @@ public class ListView extends AbsListView {

		if (needToRedraw) {
		if (selectedView != null) {
		positionSelector(selectedPos, selectedView);
		positionSelectorLikeFocus(selectedPos, selectedView);
		mSelectedTop = selectedView.getTop();
		}
		if (!awakenScrollBars()) {

graphics/java/android/graphics/drawable/Ripple.java

+79 −63

Original line number	Diff line number	Diff line
		@@ -18,6 +18,7 @@ package android.graphics.drawable;

		import android.animation.Animator;
		import android.animation.Animator.AnimatorListener;
		import android.animation.AnimatorListenerAdapter;
		import android.animation.ObjectAnimator;
		import android.animation.TimeInterpolator;
		import android.graphics.Canvas;
		@@ -85,8 +86,9 @@ class Ripple {
		/** Configured maximum ripple radius. */
		private final int mMaxInsideRadius;

		private ObjectAnimator mEnter;
		private ObjectAnimator mExit;
		private ObjectAnimator mOuter;
		private ObjectAnimator mInner;
		private ObjectAnimator mAlpha;

		/** Maximum ripple radius. */
		private int mMaxRadius;
		@@ -267,28 +269,46 @@ class Ripple {
		public void exit() {
		mExitFinished = false;

		final ObjectAnimator exit = ObjectAnimator.ofFloat(this, "innerRadius", 0, mMaxRadius);
		exit.setAutoCancel(true);
		exit.setDuration(EXIT_DURATION);
		exit.setInterpolator(INTERPOLATOR);
		exit.addListener(mAnimationListener);
		final ObjectAnimator inner = ObjectAnimator.ofFloat(this, "innerRadius", 0, mMaxRadius);
		inner.setAutoCancel(true);
		inner.setDuration(EXIT_DURATION);
		inner.setInterpolator(INTERPOLATOR);
		inner.addListener(mAnimationListener);

		if (mEnter != null && mEnter.isStarted()) {
		if (mOuter != null && mOuter.isStarted()) {
		// If we haven't been running the enter animation for long enough,
		// delay the exit animator.
		final int elapsed = (int) (mEnter.getAnimatedFraction() * mEnter.getDuration());
		final int elapsed = (int) (mOuter.getAnimatedFraction() * mOuter.getDuration());
		final int delay = Math.max(0, EXIT_MIN_DELAY - elapsed);
		exit.setStartDelay(delay);
		inner.setStartDelay(delay);
		}

		exit.start();
		inner.start();

		final ObjectAnimator fade = ObjectAnimator.ofFloat(this, "alphaMultiplier", 0);
		fade.setAutoCancel(true);
		fade.setDuration(EXIT_DURATION);
		fade.start();
		final ObjectAnimator alpha = ObjectAnimator.ofFloat(this, "alphaMultiplier", 0);
		alpha.setAutoCancel(true);
		alpha.setDuration(EXIT_DURATION);
		alpha.start();

		mExit = exit;
		mInner = inner;
		mAlpha = alpha;
		}

		/**
		* Cancel all animations.
		*/
		public void cancel() {
		if (mInner != null) {
		mInner.end();
		}

		if (mOuter != null) {
		mOuter.cancel();
		}

		if (mAlpha != null) {
		mAlpha.end();
		}
		}

		private void invalidateSelf() {
		@@ -299,19 +319,17 @@ class Ripple {
		* Starts the enter animation.
		*/
		private void enter() {
		final ObjectAnimator enter = ObjectAnimator.ofFloat(this, "outerRadius", mMaxRadius);
		enter.setAutoCancel(true);
		enter.setDuration(ENTER_DURATION);
		enter.setInterpolator(INTERPOLATOR);
		enter.start();

		final ObjectAnimator fade = ObjectAnimator.ofFloat(this, "alphaMultiplier", 1);
		fade.setAutoCancel(true);
		fade.setDuration(FADE_DURATION);
		fade.start();

		// TODO: Starting with a delay will still cancel the fade in.
		if (false && mPulseEnabled) {
		final ObjectAnimator outer = ObjectAnimator.ofFloat(this, "outerRadius", mMaxRadius);
		outer.setAutoCancel(true);
		outer.setDuration(ENTER_DURATION);
		outer.setInterpolator(INTERPOLATOR);
		outer.start();

		final ObjectAnimator alpha = ObjectAnimator.ofFloat(this, "alphaMultiplier", 1);
		if (mPulseEnabled) {
		alpha.addListener(new AnimatorListenerAdapter() {
		@Override
		public void onAnimationEnd(Animator animation) {
		final ObjectAnimator pulse = ObjectAnimator.ofFloat(
		this, "alphaMultiplier", 1, PULSE_MIN_ALPHA);
		pulse.setAutoCancel(true);
		@@ -320,26 +338,36 @@ class Ripple {
		pulse.setRepeatMode(ObjectAnimator.REVERSE);
		pulse.setStartDelay(PULSE_DELAY);
		pulse.start();

		mAlpha = pulse;
		}
		});
		}
		alpha.setAutoCancel(true);
		alpha.setDuration(FADE_DURATION);
		alpha.start();

		mEnter = enter;
		mOuter = outer;
		mAlpha = alpha;
		}

		/**
		* Starts the outside transition animation.
		*/
		private void outside() {
		final float targetRadius = mMaxOutsideRadius;
		final ObjectAnimator outside = ObjectAnimator.ofFloat(this, "outerRadius", targetRadius);
		outside.setAutoCancel(true);
		outside.setDuration(OUTSIDE_DURATION);
		outside.setInterpolator(INTERPOLATOR);
		outside.start();

		final ObjectAnimator fade = ObjectAnimator.ofFloat(this, "alphaMultiplier", 1);
		fade.setAutoCancel(true);
		fade.setDuration(FADE_DURATION);
		fade.start();
		final ObjectAnimator outer = ObjectAnimator.ofFloat(this, "outerRadius", mMaxOutsideRadius);
		outer.setAutoCancel(true);
		outer.setDuration(OUTSIDE_DURATION);
		outer.setInterpolator(INTERPOLATOR);
		outer.start();

		final ObjectAnimator alpha = ObjectAnimator.ofFloat(this, "alphaMultiplier", 1);
		alpha.setAutoCancel(true);
		alpha.setDuration(FADE_DURATION);
		alpha.start();

		mOuter = outer;
		mAlpha = alpha;
		}

		/**
		@@ -358,27 +386,15 @@ class Ripple {
		}
		}

		private final AnimatorListener mAnimationListener = new AnimatorListener() {
		@Override
		public void onAnimationStart(Animator animation) {
		}

		@Override
		public void onAnimationRepeat(Animator animation) {
		}

		private final AnimatorListener mAnimationListener = new AnimatorListenerAdapter() {
		@Override
		public void onAnimationEnd(Animator animation) {
		if (animation == mExit) {
		if (animation == mInner) {
		mExitFinished = true;
		mOuterRadius = 0;
		mInnerRadius = 0;
		mAlphaMultiplier = 1;
		}
		}

		@Override
		public void onAnimationCancel(Animator animation) {
		}
		};
		}

graphics/java/android/graphics/drawable/TouchFeedbackDrawable.java

+10 −3

Original line number	Diff line number	Diff line
		@@ -380,11 +380,18 @@ public class TouchFeedbackDrawable extends LayerDrawable {

		@Override
		public void clearHotspots() {
		if (mRipples == null) {
		return;
		if (mRipples != null) {
		mRipples.clear();
		}

		mRipples.clear();
		final int count = mAnimatingRipplesCount;
		final Ripple[] ripples = mAnimatingRipples;
		for (int i = 0; i < count; i++) {
		ripples[i].cancel();
		ripples[i] = null;
		}

		mAnimatingRipplesCount = 0;
		invalidateSelf();
		}