Resize animation after pinching PiP (23d25864) · Commits · e / os / android_frameworks_base

libs/WindowManager/Shell/src/com/android/wm/shell/pip/PipTransitionController.java

+8 −0

Original line number	Diff line number	Diff line
		@@ -310,6 +310,14 @@ public abstract class PipTransitionController implements Transitions.TransitionH
		public void end() {
		}

		/**
		* Finish the current transition if possible.
		*
		* @param tx transaction to be applied with a potentially new draw after finishing.
		*/
		public void finishTransition(@Nullable SurfaceControl.Transaction tx) {
		}

		/**
		* End the currently-playing PiP animation.
		*

libs/WindowManager/Shell/src/com/android/wm/shell/pip2/animation/PipResizeAnimator.java

0 → 100644

+154 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2024 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 com.android.wm.shell.pip2.animation;

		import android.animation.Animator;
		import android.animation.RectEvaluator;
		import android.animation.ValueAnimator;
		import android.content.Context;
		import android.graphics.Matrix;
		import android.graphics.Rect;
		import android.view.SurfaceControl;

		import androidx.annotation.NonNull;
		import androidx.annotation.Nullable;

		import com.android.wm.shell.pip2.PipSurfaceTransactionHelper;

		/**
		* Animator that handles any resize related animation for PIP.
		*/
		public class PipResizeAnimator extends ValueAnimator
		implements ValueAnimator.AnimatorUpdateListener, Animator.AnimatorListener{
		@NonNull
		private final Context mContext;
		@NonNull
		private final SurfaceControl mLeash;
		@Nullable
		private SurfaceControl.Transaction mStartTx;
		@Nullable
		private SurfaceControl.Transaction mFinishTx;
		@Nullable
		private Runnable mAnimationStartCallback;
		@Nullable
		private Runnable mAnimationEndCallback;
		private RectEvaluator mRectEvaluator;
		private final Rect mBaseBounds = new Rect();
		private final Rect mStartBounds = new Rect();
		private final Rect mEndBounds = new Rect();
		private final Rect mAnimatedRect = new Rect();
		private final float mDelta;

		private final PipSurfaceTransactionHelper.SurfaceControlTransactionFactory
		mSurfaceControlTransactionFactory;

		public PipResizeAnimator(@NonNull Context context,
		@NonNull SurfaceControl leash,
		@Nullable SurfaceControl.Transaction startTransaction,
		@Nullable SurfaceControl.Transaction finishTransaction,
		@NonNull Rect baseBounds,
		@NonNull Rect startBounds,
		@NonNull Rect endBounds,
		int duration,
		float delta) {
		mContext = context;
		mLeash = leash;
		mStartTx = startTransaction;
		mFinishTx = finishTransaction;
		mSurfaceControlTransactionFactory =
		new PipSurfaceTransactionHelper.VsyncSurfaceControlTransactionFactory();

		mBaseBounds.set(baseBounds);
		mStartBounds.set(startBounds);
		mAnimatedRect.set(startBounds);
		mEndBounds.set(endBounds);
		mDelta = delta;

		mRectEvaluator = new RectEvaluator(mAnimatedRect);

		setObjectValues(startBounds, endBounds);
		addListener(this);
		addUpdateListener(this);
		setEvaluator(mRectEvaluator);
		// TODO: change this
		setDuration(duration);
		}

		public void setAnimationStartCallback(@NonNull Runnable runnable) {
		mAnimationStartCallback = runnable;
		}

		public void setAnimationEndCallback(@NonNull Runnable runnable) {
		mAnimationEndCallback = runnable;
		}

		@Override
		public void onAnimationStart(@NonNull Animator animation) {
		if (mAnimationStartCallback != null) {
		mAnimationStartCallback.run();
		}
		if (mStartTx != null) {
		setBoundsAndRotation(mStartTx, mLeash, mBaseBounds, mStartBounds, mDelta);
		mStartTx.apply();
		}
		}

		@Override
		public void onAnimationUpdate(@NonNull ValueAnimator animation) {
		final SurfaceControl.Transaction tx = mSurfaceControlTransactionFactory.getTransaction();
		final float fraction = getAnimatedFraction();
		final float degrees = (1.0f - fraction) * mDelta;
		setBoundsAndRotation(tx, mLeash, mBaseBounds, mAnimatedRect, degrees);
		tx.apply();
		}

		/**
		* Set a proper transform matrix for a leash to move it to given bounds with a certain rotation.
		*
		* @param baseBounds crop/buffer size relative to which we are scaling the leash.
		* @param targetBounds bounds to which we are scaling the leash.
		* @param degrees degrees of rotation - counter-clockwise is positive by convention.
		*/
		public static void setBoundsAndRotation(SurfaceControl.Transaction tx, SurfaceControl leash,
		Rect baseBounds, Rect targetBounds, float degrees) {
		Matrix transformTensor = new Matrix();
		final float[] mMatrixTmp = new float[9];
		final float scale = (float) targetBounds.width() / baseBounds.width();

		transformTensor.setScale(scale, scale);
		transformTensor.postTranslate(targetBounds.left, targetBounds.top);
		transformTensor.postRotate(degrees, targetBounds.centerX(), targetBounds.centerY());

		tx.setMatrix(leash, transformTensor, mMatrixTmp);
		}

		@Override
		public void onAnimationEnd(@NonNull Animator animation) {
		if (mFinishTx != null) {
		setBoundsAndRotation(mFinishTx, mLeash, mBaseBounds, mEndBounds, 0f);
		}
		if (mAnimationEndCallback != null) {
		mAnimationEndCallback.run();
		}
		}

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

		@Override
		public void onAnimationRepeat(@NonNull Animator animation) {}
		}

libs/WindowManager/Shell/src/com/android/wm/shell/pip2/phone/PipMotionHelper.java

+2 −2

Original line number	Diff line number	Diff line
		@@ -731,8 +731,8 @@ public class PipMotionHelper implements PipAppOpsListener.Callback,
		settlePipBoundsAfterPhysicsAnimation(false /* animatingAfter */);
		cleanUpHighPerfSessionMaybe();

		// Setting state to CHANGED_PIP_BOUNDS applies finishTx and notifies Core.
		mPipTransitionState.setState(PipTransitionState.CHANGED_PIP_BOUNDS);
		// Signal that the transition is done - should update transition state by default.
		mPipScheduler.scheduleFinishResizePip(false /* configAtEnd */);
		break;
		case PipTransitionState.EXITING_PIP:
		// We need to force finish any local animators if about to leave PiP, to avoid

libs/WindowManager/Shell/src/com/android/wm/shell/pip2/phone/PipResizeGestureHandler.java

+31 −15

Original line number	Diff line number	Diff line
		@@ -38,6 +38,7 @@ import android.view.ViewConfiguration;

		import androidx.annotation.VisibleForTesting;

		import com.android.internal.util.Preconditions;
		import com.android.wm.shell.R;
		import com.android.wm.shell.common.ShellExecutor;
		import com.android.wm.shell.common.pip.PipBoundsAlgorithm;
		@@ -45,6 +46,7 @@ import com.android.wm.shell.common.pip.PipBoundsState;
		import com.android.wm.shell.common.pip.PipPerfHintController;
		import com.android.wm.shell.common.pip.PipPinchResizingAlgorithm;
		import com.android.wm.shell.common.pip.PipUiEventLogger;
		import com.android.wm.shell.pip2.animation.PipResizeAnimator;

		import java.io.PrintWriter;
		import java.util.function.Consumer;
		@@ -82,6 +84,7 @@ public class PipResizeGestureHandler implements
		private final Rect mLastResizeBounds = new Rect();
		private final Rect mUserResizeBounds = new Rect();
		private final Rect mDownBounds = new Rect();
		private final Rect mStartBoundsAfterRelease = new Rect();
		private final Runnable mUpdateMovementBoundsRunnable;
		private final Consumer<Rect> mUpdateResizeBoundsCallback;

		@@ -418,7 +421,9 @@ public class PipResizeGestureHandler implements
		if (!mOngoingPinchToResize) {
		return;
		}
		final Rect startBounds = new Rect(mLastResizeBounds);

		// Cache initial bounds after release for animation before mLastResizeBounds are modified.
		mStartBoundsAfterRelease.set(mLastResizeBounds);

		// If user resize is pretty close to max size, just auto resize to max.
		if (mLastResizeBounds.width() >= PINCH_RESIZE_AUTO_MAX_RATIO * mMaxSize.x
		@@ -527,28 +532,39 @@ public class PipResizeGestureHandler implements
		int offsetY = inTopHalf ? 1 : -1;
		mLastResizeBounds.offset(0 /* dx */, offsetY);
		}

		mWaitingForBoundsChangeTransition = true;
		mPipScheduler.scheduleAnimateResizePip(mLastResizeBounds);

		// Schedule PiP resize transition, but delay any config updates until very end.
		mPipScheduler.scheduleAnimateResizePip(mLastResizeBounds, true /* configAtEnd */);
		break;
		case PipTransitionState.CHANGING_PIP_BOUNDS:
		if (!mWaitingForBoundsChangeTransition) break;

		// If bounds change transition was scheduled from this class, handle leash updates.
		// If resize transition was scheduled from this component, handle leash updates.
		mWaitingForBoundsChangeTransition = false;

		SurfaceControl pipLeash = mPipTransitionState.mPinnedTaskLeash;
		Preconditions.checkState(pipLeash != null,
		"No leash cached by mPipTransitionState=" + mPipTransitionState);

		SurfaceControl.Transaction startTx = extra.getParcelable(
		PipTransition.PIP_START_TX, SurfaceControl.Transaction.class);
		Rect destinationBounds = extra.getParcelable(
		PipTransition.PIP_DESTINATION_BOUNDS, Rect.class);
		startTx.apply();

		SurfaceControl.Transaction finishTx = extra.getParcelable(
		PipTransition.PIP_FINISH_TX, SurfaceControl.Transaction.class);
		startTx.setWindowCrop(pipLeash, mPipBoundsState.getBounds().width(),
		mPipBoundsState.getBounds().height());

		PipResizeAnimator animator = new PipResizeAnimator(mContext, pipLeash,
		startTx, finishTx, mPipBoundsState.getBounds(), mStartBoundsAfterRelease,
		mLastResizeBounds, PINCH_RESIZE_SNAP_DURATION, mAngle);
		animator.setAnimationEndCallback(() -> {
		// All motion operations have actually finished, so make bounds cache updates.
		mUpdateResizeBoundsCallback.accept(destinationBounds);
		mUpdateResizeBoundsCallback.accept(mLastResizeBounds);
		cleanUpHighPerfSessionMaybe();

		// Setting state to CHANGED_PIP_BOUNDS applies finishTx and notifies Core.
		mPipTransitionState.setState(PipTransitionState.CHANGED_PIP_BOUNDS);
		// Signal that we are done with resize transition
		mPipScheduler.scheduleFinishResizePip(true /* configAtEnd */);
		});
		animator.start();
		break;
		}
		}

libs/WindowManager/Shell/src/com/android/wm/shell/pip2/phone/PipScheduler.java

+31 −0

Original line number	Diff line number	Diff line
		@@ -153,14 +153,45 @@ public class PipScheduler {
		* Animates resizing of the pinned stack given the duration.
		*/
		public void scheduleAnimateResizePip(Rect toBounds) {
		scheduleAnimateResizePip(toBounds, false /* configAtEnd */);
		}

		/**
		* Animates resizing of the pinned stack given the duration.
		*
		* @param configAtEnd true if we are delaying config updates until the transition ends.
		*/
		public void scheduleAnimateResizePip(Rect toBounds, boolean configAtEnd) {
		if (mPipTransitionState.mPipTaskToken == null \|\| !mPipTransitionState.isInPip()) {
		return;
		}
		WindowContainerTransaction wct = new WindowContainerTransaction();
		wct.setBounds(mPipTransitionState.mPipTaskToken, toBounds);
		if (configAtEnd) {
		wct.deferConfigToTransitionEnd(mPipTransitionState.mPipTaskToken);
		}
		mPipTransitionController.startResizeTransition(wct);
		}

		/**
		* Signals to Core to finish the PiP resize transition.
		* Note that we do not allow any actual WM Core changes at this point.
		*
		* @param configAtEnd true if we are waiting for config updates at the end of the transition.
		*/
		public void scheduleFinishResizePip(boolean configAtEnd) {
		SurfaceControl.Transaction tx = null;
		if (configAtEnd) {
		tx = new SurfaceControl.Transaction();
		tx.addTransactionCommittedListener(mMainExecutor, () -> {
		mPipTransitionState.setState(PipTransitionState.CHANGED_PIP_BOUNDS);
		});
		} else {
		mPipTransitionState.setState(PipTransitionState.CHANGED_PIP_BOUNDS);
		}
		mPipTransitionController.finishTransition(tx);
		}

		/**
		* Directly perform a scaled matrix transformation on the leash. This will not perform any
		* {@link WindowContainerTransaction}.