Handle interruptions in Explode and Slide transitions. (1f8c0118) · Commits · e / os / android_frameworks_base

core/java/android/transition/Explode.java

+34 −95

Original line number	Diff line number	Diff line
		@@ -15,20 +15,16 @@
		*/
		package android.transition;

		import com.android.internal.R;

		import android.animation.Animator;
		import android.animation.AnimatorListenerAdapter;
		import android.animation.AnimatorSet;
		import android.animation.ObjectAnimator;
		import android.animation.TimeInterpolator;
		import android.graphics.Path;
		import android.graphics.Rect;
		import android.util.FloatMath;
		import android.util.Log;
		import android.view.View;
		import android.view.ViewGroup;
		import android.view.animation.AccelerateInterpolator;
		import android.view.animation.DecelerateInterpolator;

		/**
		* This transition tracks changes to the visibility of target views in the
		* start and end scenes and moves views in or out from the edges of the
		@@ -44,8 +40,7 @@ public class Explode extends Visibility {
		private static final TimeInterpolator sDecelerate = new DecelerateInterpolator();
		private static final TimeInterpolator sAccelerate = new AccelerateInterpolator();
		private static final String TAG = "Explode";

		private static final String PROPNAME_SCREEN_BOUNDS = "android:out:screenBounds";
		private static final String PROPNAME_SCREEN_BOUNDS = "android:explode:screenBounds";

		private int[] mTempLoc = new int[2];

		@@ -56,8 +51,8 @@ public class Explode extends Visibility {
		private void captureValues(TransitionValues transitionValues) {
		View view = transitionValues.view;
		view.getLocationOnScreen(mTempLoc);
		int left = mTempLoc[0] + Math.round(view.getTranslationX());
		int top = mTempLoc[1] + Math.round(view.getTranslationY());
		int left = mTempLoc[0];
		int top = mTempLoc[1];
		int right = left + view.getWidth();
		int bottom = top + view.getHeight();
		transitionValues.values.put(PROPNAME_SCREEN_BOUNDS, new Rect(left, top, right, bottom));
		@@ -75,27 +70,6 @@ public class Explode extends Visibility {
		captureValues(transitionValues);
		}

		private Animator createAnimation(final View view, float startX, float startY, float endX,
		float endY, float terminalX, float terminalY, TimeInterpolator interpolator) {
		view.setTranslationX(startX);
		view.setTranslationY(startY);
		if (startY == endY && startX == endX) {
		return null;
		}
		Path path = new Path();
		path.moveTo(startX, startY);
		path.lineTo(endX, endY);
		ObjectAnimator pathAnimator = ObjectAnimator.ofFloat(view, View.TRANSLATION_X,
		View.TRANSLATION_Y, path);
		pathAnimator.setInterpolator(interpolator);
		OutAnimatorListener listener = new OutAnimatorListener(view, terminalX, terminalY,
		endX, endY);
		pathAnimator.addListener(listener);
		pathAnimator.addPauseListener(listener);

		return pathAnimator;
		}

		@Override
		public Animator onAppear(ViewGroup sceneRoot, View view,
		TransitionValues startValues, TransitionValues endValues) {
		@@ -103,29 +77,43 @@ public class Explode extends Visibility {
		return null;
		}
		Rect bounds = (Rect) endValues.values.get(PROPNAME_SCREEN_BOUNDS);
		float endX = view.getTranslationX();
		float endY = view.getTranslationY();
		calculateOut(sceneRoot, bounds, mTempLoc);
		float startX = endX + mTempLoc[0];
		float startY = endY + mTempLoc[1];

		final float endX = view.getTranslationX();
		final float startX = endX + mTempLoc[0];
		final float endY = view.getTranslationY();
		final float startY = endY + mTempLoc[1];

		return createAnimation(view, startX, startY, endX, endY, endX, endY, sDecelerate);
		return TranslationAnimationCreator.createAnimation(view, endValues, bounds.left, bounds.top,
		startX, startY, endX, endY, sDecelerate);
		}

		@Override
		public Animator onDisappear(ViewGroup sceneRoot, View view,
		TransitionValues startValues, TransitionValues endValues) {
		if (startValues == null) {
		return null;
		}
		Rect bounds = (Rect) startValues.values.get(PROPNAME_SCREEN_BOUNDS);
		int viewPosX = bounds.left;
		int viewPosY = bounds.top;
		float startX = view.getTranslationX();
		float startY = view.getTranslationY();
		float endX = startX;
		float endY = startY;
		int[] interruptedPosition = (int[]) startValues.view.getTag(R.id.transitionPosition);
		if (interruptedPosition != null) {
		// We want to have the end position relative to the interrupted position, not
		// the position it was supposed to start at.
		endX += interruptedPosition[0] - bounds.left;
		endY += interruptedPosition[1] - bounds.top;
		bounds.offsetTo(interruptedPosition[0], interruptedPosition[1]);
		}
		calculateOut(sceneRoot, bounds, mTempLoc);
		endX += mTempLoc[0];
		endY += mTempLoc[1];

		final float startX = view.getTranslationX();
		final float endX = startX + mTempLoc[0];
		final float startY = view.getTranslationY();
		final float endY = startY + mTempLoc[1];

		return createAnimation(view, startX, startY, endX, endY, startX, startY,
		sAccelerate);
		return TranslationAnimationCreator.createAnimation(view, startValues,
		viewPosX, viewPosY, startX, startY, endX, endY, sAccelerate);
		}

		private void calculateOut(View sceneRoot, Rect bounds, int[] outVector) {
		@@ -176,53 +164,4 @@ public class Explode extends Visibility {
		private static float calculateDistance(float x, float y) {
		return FloatMath.sqrt((x * x) + (y * y));
		}

		private static class OutAnimatorListener extends AnimatorListenerAdapter {
		private final View mView;
		private boolean mCanceled = false;
		private float mPausedX;
		private float mPausedY;
		private final float mTerminalX;
		private final float mTerminalY;
		private final float mEndX;
		private final float mEndY;

		public OutAnimatorListener(View view, float terminalX, float terminalY,
		float endX, float endY) {
		mView = view;
		mTerminalX = terminalX;
		mTerminalY = terminalY;
		mEndX = endX;
		mEndY = endY;
		}

		@Override
		public void onAnimationCancel(Animator animator) {
		mView.setTranslationX(mTerminalX);
		mView.setTranslationY(mTerminalY);
		mCanceled = true;
		}

		@Override
		public void onAnimationEnd(Animator animator) {
		if (!mCanceled) {
		mView.setTranslationX(mTerminalX);
		mView.setTranslationY(mTerminalY);
		}
		}

		@Override
		public void onAnimationPause(Animator animator) {
		mPausedX = mView.getTranslationX();
		mPausedY = mView.getTranslationY();
		mView.setTranslationY(mEndX);
		mView.setTranslationY(mEndY);
		}

		@Override
		public void onAnimationResume(Animator animator) {
		mView.setTranslationX(mPausedX);
		mView.setTranslationY(mPausedY);
		}
		}
		}

core/java/android/transition/Slide.java

+51 −91

Original line number	Diff line number	Diff line
		@@ -16,14 +16,7 @@
		package android.transition;

		import android.animation.Animator;
		import android.animation.AnimatorListenerAdapter;
		import android.animation.AnimatorSet;
		import android.animation.ObjectAnimator;
		import android.animation.TimeInterpolator;
		import android.animation.ValueAnimator;
		import android.graphics.Rect;
		import android.util.Log;
		import android.util.Property;
		import android.view.Gravity;
		import android.view.View;
		import android.view.ViewGroup;
		@@ -41,71 +34,60 @@ import android.view.animation.DecelerateInterpolator;
		*/
		public class Slide extends Visibility {
		private static final String TAG = "Slide";

		private static final TimeInterpolator sDecelerate = new DecelerateInterpolator();
		private static final TimeInterpolator sAccelerate = new AccelerateInterpolator();

		private static final String PROPNAME_SCREEN_POSITION = "android:slide:screenPosition";
		private CalculateSlide mSlideCalculator = sCalculateBottom;

		private interface CalculateSlide {
		/** Returns the translation value for view when it out of the scene */
		float getGone(ViewGroup sceneRoot, View view);

		/** Returns the translation value for view when it is in the scene */
		float getHere(View view);
		/** Returns the translation value for view when it goes out of the scene */
		float getGoneX(ViewGroup sceneRoot, View view);

		/** Returns the property to animate translation */
		Property<View, Float> getProperty();
		/** Returns the translation value for view when it goes out of the scene */
		float getGoneY(ViewGroup sceneRoot, View view);
		}

		private static abstract class CalculateSlideHorizontal implements CalculateSlide {
		@Override
		public float getHere(View view) {
		return view.getTranslationX();
		}

		@Override
		public Property<View, Float> getProperty() {
		return View.TRANSLATION_X;
		public float getGoneY(ViewGroup sceneRoot, View view) {
		return view.getTranslationY();
		}
		}

		private static abstract class CalculateSlideVertical implements CalculateSlide {
		@Override
		public float getHere(View view) {
		return view.getTranslationY();
		}

		@Override
		public Property<View, Float> getProperty() {
		return View.TRANSLATION_Y;
		public float getGoneX(ViewGroup sceneRoot, View view) {
		return view.getTranslationX();
		}
		}

		private static final CalculateSlide sCalculateLeft = new CalculateSlideHorizontal() {
		@Override
		public float getGone(ViewGroup sceneRoot, View view) {
		public float getGoneX(ViewGroup sceneRoot, View view) {
		return view.getTranslationX() - sceneRoot.getWidth();
		}
		};

		private static final CalculateSlide sCalculateTop = new CalculateSlideVertical() {
		@Override
		public float getGone(ViewGroup sceneRoot, View view) {
		public float getGoneY(ViewGroup sceneRoot, View view) {
		return view.getTranslationY() - sceneRoot.getHeight();
		}
		};

		private static final CalculateSlide sCalculateRight = new CalculateSlideHorizontal() {
		@Override
		public float getGone(ViewGroup sceneRoot, View view) {
		public float getGoneX(ViewGroup sceneRoot, View view) {
		return view.getTranslationX() + sceneRoot.getWidth();
		}
		};

		private static final CalculateSlide sCalculateBottom = new CalculateSlideVertical() {
		@Override
		public float getGone(ViewGroup sceneRoot, View view) {
		public float getGoneY(ViewGroup sceneRoot, View view) {
		return view.getTranslationY() + sceneRoot.getHeight();
		}
		};
		@@ -125,8 +107,28 @@ public class Slide extends Visibility {
		setSlideEdge(slideEdge);
		}

		private void captureValues(TransitionValues transitionValues) {
		View view = transitionValues.view;
		int[] position = new int[2];
		view.getLocationOnScreen(position);
		transitionValues.values.put(PROPNAME_SCREEN_POSITION, position);
		}

		@Override
		public void captureStartValues(TransitionValues transitionValues) {
		super.captureStartValues(transitionValues);
		captureValues(transitionValues);
		}

		@Override
		public void captureEndValues(TransitionValues transitionValues) {
		super.captureEndValues(transitionValues);
		captureValues(transitionValues);
		}

		/**
		* Change the edge that Views appear and disappear from.
		*
		* @param slideEdge The edge of the scene to use for Views appearing and disappearing. One of
		* {@link android.view.Gravity#LEFT}, {@link android.view.Gravity#TOP},
		* {@link android.view.Gravity#RIGHT}, {@link android.view.Gravity#BOTTOM}.
		@@ -153,77 +155,35 @@ public class Slide extends Visibility {
		setPropagation(propagation);
		}

		private Animator createAnimation(final View view, Property<View, Float> property,
		float start, float end, float terminalValue, TimeInterpolator interpolator) {
		view.setTranslationY(start);
		if (start == end) {
		return null;
		}
		final ObjectAnimator anim = ObjectAnimator.ofFloat(view, property, start, end);

		SlideAnimatorListener listener = new SlideAnimatorListener(view, terminalValue, end);
		anim.addListener(listener);
		anim.addPauseListener(listener);
		anim.setInterpolator(interpolator);
		return anim;
		}

		@Override
		public Animator onAppear(ViewGroup sceneRoot, View view,
		TransitionValues startValues, TransitionValues endValues) {
		if (endValues == null) {
		return null;
		}
		float end = mSlideCalculator.getHere(view);
		float start = mSlideCalculator.getGone(sceneRoot, view);
		return createAnimation(view, mSlideCalculator.getProperty(), start, end, end, sDecelerate);
		int[] position = (int[]) endValues.values.get(PROPNAME_SCREEN_POSITION);
		float endX = view.getTranslationX();
		float endY = view.getTranslationY();
		float startX = mSlideCalculator.getGoneX(sceneRoot, view);
		float startY = mSlideCalculator.getGoneY(sceneRoot, view);
		return TranslationAnimationCreator
		.createAnimation(view, endValues, position[0], position[1],
		startX, startY, endX, endY, sDecelerate);
		}

		@Override
		public Animator onDisappear(ViewGroup sceneRoot, View view,
		TransitionValues startValues, TransitionValues endValues) {
		float start = mSlideCalculator.getHere(view);
		float end = mSlideCalculator.getGone(sceneRoot, view);

		return createAnimation(view, mSlideCalculator.getProperty(), start, end, start,
		sAccelerate);
		}

		private static class SlideAnimatorListener extends AnimatorListenerAdapter {
		private boolean mCanceled = false;
		private float mPausedY;
		private final View mView;
		private final float mEndY;
		private final float mTerminalY;

		public SlideAnimatorListener(View view, float terminalY, float endY) {
		mView = view;
		mTerminalY = terminalY;
		mEndY = endY;
		}

		@Override
		public void onAnimationCancel(Animator animator) {
		mView.setTranslationY(mTerminalY);
		mCanceled = true;
		}

		@Override
		public void onAnimationEnd(Animator animator) {
		if (!mCanceled) {
		mView.setTranslationY(mTerminalY);
		}
		}

		@Override
		public void onAnimationPause(Animator animator) {
		mPausedY = mView.getTranslationY();
		mView.setTranslationY(mEndY);
		}

		@Override
		public void onAnimationResume(Animator animator) {
		mView.setTranslationY(mPausedY);
		if (startValues == null) {
		return null;
		}
		int[] position = (int[]) startValues.values.get(PROPNAME_SCREEN_POSITION);
		float startX = view.getTranslationX();
		float startY = view.getTranslationY();
		float endX = mSlideCalculator.getGoneX(sceneRoot, view);
		float endY = mSlideCalculator.getGoneY(sceneRoot, view);
		return TranslationAnimationCreator
		.createAnimation(view, startValues, position[0], position[1],
		startX, startY, endX, endY, sAccelerate);
		}
		}

core/java/android/transition/TranslationAnimationCreator.java

0 → 100644

+139 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2014 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/
		package android.transition;

		import com.android.internal.R;

		import android.animation.Animator;
		import android.animation.AnimatorListenerAdapter;
		import android.animation.ObjectAnimator;
		import android.animation.TimeInterpolator;
		import android.graphics.Path;
		import android.view.View;

		/**
		* This class is used by Slide and Explode to create an animator that goes from the start
		* position to the end position. It takes into account the canceled position so that it
		* will not blink out or shift suddenly when the transition is interrupted.
		*/
		class TranslationAnimationCreator {

		/**
		* Creates an animator that can be used for x and/or y translations. When interrupted,
		* it sets a tag to keep track of the position so that it may be continued from position.
		*
		* @param view The view being moved. This may be in the overlay for onDisappear.
		* @param values The values containing the view in the view hierarchy.
		* @param viewPosX The x screen coordinate of view
		* @param viewPosY The y screen coordinate of view
		* @param startX The start translation x of view
		* @param startY The start translation y of view
		* @param endX The end translation x of view
		* @param endY The end translation y of view
		* @param interpolator The interpolator to use with this animator.
		* @return An animator that moves from (startX, startY) to (endX, endY) unless there was
		* a previous interruption, in which case it moves from the current position to (endX, endY).
		*/
		static Animator createAnimation(View view, TransitionValues values, int viewPosX, int viewPosY,
		float startX, float startY, float endX, float endY, TimeInterpolator interpolator) {
		float terminalX = view.getTranslationX();
		float terminalY = view.getTranslationY();
		int[] startPosition = (int[]) values.view.getTag(R.id.transitionPosition);
		if (startPosition != null) {
		startX = startPosition[0] - viewPosX + terminalX;
		startY = startPosition[1] - viewPosY + terminalY;
		}
		// Initial position is at translation startX, startY, so position is offset by that amount
		int startPosX = viewPosX + Math.round(startX - terminalX);
		int startPosY = viewPosY + Math.round(startY - terminalY);

		view.setTranslationX(startX);
		view.setTranslationY(startY);
		if (startX == endX && startY == endY) {
		return null;
		}
		Path path = new Path();
		path.moveTo(startX, startY);
		path.lineTo(endX, endY);
		ObjectAnimator anim = ObjectAnimator.ofFloat(view, View.TRANSLATION_X, View.TRANSLATION_Y,
		path);

		TransitionPositionListener listener = new TransitionPositionListener(view, values.view,
		startPosX, startPosY, terminalX, terminalY);
		anim.addListener(listener);
		anim.addPauseListener(listener);
		anim.setInterpolator(interpolator);
		return anim;
		}

		private static class TransitionPositionListener extends AnimatorListenerAdapter {

		private final View mViewInHierarchy;
		private final View mMovingView;
		private final int mStartX;
		private final int mStartY;
		private int[] mTransitionPosition;
		private float mPausedX;
		private float mPausedY;
		private final float mTerminalX;
		private final float mTerminalY;

		private TransitionPositionListener(View movingView, View viewInHierarchy,
		int startX, int startY, float terminalX, float terminalY) {
		mMovingView = movingView;
		mViewInHierarchy = viewInHierarchy;
		mStartX = startX - Math.round(mMovingView.getTranslationX());
		mStartY = startY - Math.round(mMovingView.getTranslationY());
		mTerminalX = terminalX;
		mTerminalY = terminalY;
		mTransitionPosition = (int[]) mViewInHierarchy.getTag(R.id.transitionPosition);
		if (mTransitionPosition != null) {
		mViewInHierarchy.setTagInternal(R.id.transitionPosition, null);
		}
		}

		@Override
		public void onAnimationCancel(Animator animation) {
		if (mTransitionPosition == null) {
		mTransitionPosition = new int[2];
		}
		mTransitionPosition[0] = Math.round(mStartX + mMovingView.getTranslationX());
		mTransitionPosition[1] = Math.round(mStartY + mMovingView.getTranslationY());
		mViewInHierarchy.setTagInternal(R.id.transitionPosition, mTransitionPosition);
		}

		@Override
		public void onAnimationEnd(Animator animator) {
		mMovingView.setTranslationX(mTerminalX);
		mMovingView.setTranslationY(mTerminalY);
		}

		@Override
		public void onAnimationPause(Animator animator) {
		mPausedX = mMovingView.getTranslationX();
		mPausedY = mMovingView.getTranslationY();
		mMovingView.setTranslationX(mTerminalX);
		mMovingView.setTranslationY(mTerminalY);
		}

		@Override
		public void onAnimationResume(Animator animator) {
		mMovingView.setTranslationX(mPausedX);
		mMovingView.setTranslationY(mPausedY);
		}
		}

		}

core/res/res/values/ids.xml

+1 −0

Original line number	Diff line number	Diff line
		@@ -84,4 +84,5 @@
		<item type="id" name="current_scene" />
		<item type="id" name="scene_layoutid_cache" />
		<item type="id" name="mask" />
		<item type="id" name="transitionPosition" />
		</resources>

core/res/res/values/symbols.xml

+1 −0

Original line number	Diff line number	Diff line
		@@ -218,6 +218,7 @@
		<java-symbol type="id" name="pin_error_message" />
		<java-symbol type="id" name="timePickerLayout" />
		<java-symbol type="id" name="profile_icon" />
		<java-symbol type="id" name="transitionPosition" />

		<java-symbol type="attr" name="actionModeShareDrawable" />
		<java-symbol type="attr" name="alertDialogCenterButtons" />