MrSluffy
686 lines
31 KiB
Java
686 lines
31 KiB
Java
/*
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* Copyright (C) 2021 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.wm.shell.splitscreen;
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import static android.view.WindowManager.TRANSIT_CHANGE;
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import static android.view.WindowManager.TRANSIT_CLOSE;
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import static android.view.WindowManager.TRANSIT_OPEN;
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import static android.view.WindowManager.TRANSIT_TO_BACK;
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import static com.android.wm.shell.animation.Interpolators.ALPHA_IN;
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import static com.android.wm.shell.animation.Interpolators.ALPHA_OUT;
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import static com.android.wm.shell.common.split.SplitScreenConstants.FADE_DURATION;
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import static com.android.wm.shell.common.split.SplitScreenConstants.FLAG_IS_DIVIDER_BAR;
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import static com.android.wm.shell.protolog.ShellProtoLogGroup.WM_SHELL_SPLIT_SCREEN;
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import static com.android.wm.shell.protolog.ShellProtoLogGroup.WM_SHELL_TRANSITIONS;
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import static com.android.wm.shell.splitscreen.SplitScreen.stageTypeToString;
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import static com.android.wm.shell.splitscreen.SplitScreenController.EXIT_REASON_DRAG_DIVIDER;
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import static com.android.wm.shell.splitscreen.SplitScreenController.exitReasonToString;
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import static com.android.wm.shell.transition.Transitions.TRANSIT_SPLIT_DISMISS;
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import static com.android.wm.shell.transition.Transitions.TRANSIT_SPLIT_DISMISS_SNAP;
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import android.animation.Animator;
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import android.animation.AnimatorListenerAdapter;
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import android.animation.ValueAnimator;
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import android.annotation.NonNull;
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import android.annotation.Nullable;
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import android.os.IBinder;
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import android.view.SurfaceControl;
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import android.view.WindowManager;
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import android.window.RemoteTransition;
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import android.window.TransitionInfo;
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import android.window.WindowContainerToken;
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import android.window.WindowContainerTransaction;
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import com.android.internal.protolog.common.ProtoLog;
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import com.android.wm.shell.common.TransactionPool;
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import com.android.wm.shell.common.split.SplitDecorManager;
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import com.android.wm.shell.protolog.ShellProtoLogGroup;
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import com.android.wm.shell.shared.TransitionUtil;
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import com.android.wm.shell.transition.OneShotRemoteHandler;
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import com.android.wm.shell.transition.Transitions;
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import java.util.ArrayList;
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import java.util.concurrent.Executor;
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/** Manages transition animations for split-screen. */
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class SplitScreenTransitions {
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private static final String TAG = "SplitScreenTransitions";
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private final TransactionPool mTransactionPool;
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private final Transitions mTransitions;
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private final Runnable mOnFinish;
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DismissSession mPendingDismiss = null;
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EnterSession mPendingEnter = null;
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TransitSession mPendingResize = null;
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TransitSession mPendingRemotePassthrough = null;
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private IBinder mAnimatingTransition = null;
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private OneShotRemoteHandler mActiveRemoteHandler = null;
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private final Transitions.TransitionFinishCallback mRemoteFinishCB = this::onFinish;
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/** Keeps track of currently running animations */
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private final ArrayList<Animator> mAnimations = new ArrayList<>();
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private final StageCoordinator mStageCoordinator;
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private Transitions.TransitionFinishCallback mFinishCallback = null;
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private SurfaceControl.Transaction mFinishTransaction;
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private SplitScreen.SplitInvocationListener mSplitInvocationListener;
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private Executor mSplitInvocationListenerExecutor;
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SplitScreenTransitions(@NonNull TransactionPool pool, @NonNull Transitions transitions,
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@NonNull Runnable onFinishCallback, StageCoordinator stageCoordinator) {
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mTransactionPool = pool;
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mTransitions = transitions;
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mOnFinish = onFinishCallback;
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mStageCoordinator = stageCoordinator;
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}
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private void initTransition(@NonNull IBinder transition,
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@NonNull SurfaceControl.Transaction finishTransaction,
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@NonNull Transitions.TransitionFinishCallback finishCallback) {
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mAnimatingTransition = transition;
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mFinishTransaction = finishTransaction;
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mFinishCallback = finishCallback;
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}
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/** Play animation for enter transition or dismiss transition. */
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void playAnimation(@NonNull IBinder transition, @NonNull TransitionInfo info,
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@NonNull SurfaceControl.Transaction startTransaction,
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@NonNull SurfaceControl.Transaction finishTransaction,
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@NonNull Transitions.TransitionFinishCallback finishCallback,
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@NonNull WindowContainerToken mainRoot, @NonNull WindowContainerToken sideRoot,
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@NonNull WindowContainerToken topRoot) {
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ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "playAnimation: transition=%d", info.getDebugId());
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initTransition(transition, finishTransaction, finishCallback);
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final TransitSession pendingTransition = getPendingTransition(transition);
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if (pendingTransition != null) {
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if (pendingTransition.mCanceled) {
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// The pending transition was canceled, so skip playing animation.
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startTransaction.apply();
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onFinish(null /* wct */);
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return;
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}
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if (pendingTransition.mRemoteHandler != null) {
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pendingTransition.mRemoteHandler.startAnimation(transition, info, startTransaction,
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finishTransaction, mRemoteFinishCB);
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mActiveRemoteHandler = pendingTransition.mRemoteHandler;
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return;
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}
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}
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playInternalAnimation(transition, info, startTransaction, mainRoot, sideRoot, topRoot);
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}
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/** Internal function of playAnimation. */
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private void playInternalAnimation(@NonNull IBinder transition, @NonNull TransitionInfo info,
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@NonNull SurfaceControl.Transaction t, @NonNull WindowContainerToken mainRoot,
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@NonNull WindowContainerToken sideRoot, @NonNull WindowContainerToken topRoot) {
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ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "playInternalAnimation: transition=%d",
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info.getDebugId());
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// Play some place-holder fade animations
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final boolean isEnter = isPendingEnter(transition);
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for (int i = info.getChanges().size() - 1; i >= 0; --i) {
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final TransitionInfo.Change change = info.getChanges().get(i);
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final SurfaceControl leash = change.getLeash();
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final int mode = info.getChanges().get(i).getMode();
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final int rootIdx = TransitionUtil.rootIndexFor(change, info);
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if (mode == TRANSIT_CHANGE) {
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if (change.getParent() != null) {
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// This is probably reparented, so we want the parent to be immediately visible
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final TransitionInfo.Change parentChange = info.getChange(change.getParent());
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t.show(parentChange.getLeash());
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t.setAlpha(parentChange.getLeash(), 1.f);
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// and then animate this layer outside the parent (since, for example, this is
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// the home task animating from fullscreen to part-screen).
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t.reparent(parentChange.getLeash(), info.getRoot(rootIdx).getLeash());
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t.setLayer(parentChange.getLeash(), info.getChanges().size() - i);
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// build the finish reparent/reposition
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mFinishTransaction.reparent(leash, parentChange.getLeash());
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mFinishTransaction.setPosition(leash,
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change.getEndRelOffset().x, change.getEndRelOffset().y);
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}
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}
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final boolean isTopRoot = topRoot.equals(change.getContainer());
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final boolean isMainRoot = mainRoot.equals(change.getContainer());
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final boolean isSideRoot = sideRoot.equals(change.getContainer());
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final boolean isDivider = change.getFlags() == FLAG_IS_DIVIDER_BAR;
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final boolean isMainChild = mainRoot.equals(change.getParent());
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final boolean isSideChild = sideRoot.equals(change.getParent());
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if (isEnter && (isMainChild || isSideChild)) {
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// Reset child tasks bounds on finish.
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mFinishTransaction.setPosition(leash,
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change.getEndRelOffset().x, change.getEndRelOffset().y);
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mFinishTransaction.setCrop(leash, null);
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} else if (isTopRoot) {
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// Ensure top root is visible at start.
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t.setAlpha(leash, 1.f);
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t.show(leash);
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} else if (isEnter && isMainRoot || isSideRoot) {
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t.setPosition(leash, change.getEndAbsBounds().left, change.getEndAbsBounds().top);
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t.setWindowCrop(leash, change.getEndAbsBounds().width(),
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change.getEndAbsBounds().height());
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} else if (isDivider) {
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t.setPosition(leash, change.getEndAbsBounds().left, change.getEndAbsBounds().top);
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t.setLayer(leash, Integer.MAX_VALUE);
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t.show(leash);
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}
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// We want to use child tasks to animate so ignore split root container and non task
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// except divider change.
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if (isTopRoot || isMainRoot || isSideRoot
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|| (change.getTaskInfo() == null && !isDivider)) {
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continue;
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}
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if (isEnter && mPendingEnter.mResizeAnim) {
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// We will run animation in next transition so skip anim here
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continue;
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} else if (isPendingDismiss(transition)
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&& mPendingDismiss.mReason == EXIT_REASON_DRAG_DIVIDER) {
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// TODO(b/280020345): need to refine animation for this but just skip anim now.
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continue;
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}
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// Because cross fade might be looked more flicker during animation
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// (surface become black in middle of animation), we only do fade-out
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// and show opening surface directly.
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boolean isOpening = TransitionUtil.isOpeningType(info.getType());
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if (!isOpening && (mode == TRANSIT_CLOSE || mode == TRANSIT_TO_BACK)) {
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// fade out
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startFadeAnimation(leash, false /* show */);
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} else if (mode == TRANSIT_CHANGE && change.getSnapshot() != null) {
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t.reparent(change.getSnapshot(), info.getRoot(rootIdx).getLeash());
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// Ensure snapshot it on the top of all transition surfaces
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t.setLayer(change.getSnapshot(), info.getChanges().size() + 1);
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t.setPosition(change.getSnapshot(), change.getStartAbsBounds().left,
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change.getStartAbsBounds().top);
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t.show(change.getSnapshot());
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startFadeAnimation(change.getSnapshot(), false /* show */);
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}
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}
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t.apply();
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onFinish(null /* wct */);
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}
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/** Play animation for drag divider dismiss transition. */
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void playDragDismissAnimation(@NonNull IBinder transition, @NonNull TransitionInfo info,
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@NonNull SurfaceControl.Transaction startTransaction,
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@NonNull SurfaceControl.Transaction finishTransaction,
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@NonNull Transitions.TransitionFinishCallback finishCallback,
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@NonNull WindowContainerToken toTopRoot, @NonNull SplitDecorManager toTopDecor,
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@NonNull WindowContainerToken topRoot) {
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ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "playDragDismissAnimation: transition=%d",
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info.getDebugId());
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initTransition(transition, finishTransaction, finishCallback);
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for (int i = info.getChanges().size() - 1; i >= 0; --i) {
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final TransitionInfo.Change change = info.getChanges().get(i);
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final SurfaceControl leash = change.getLeash();
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if (toTopRoot.equals(change.getContainer())) {
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startTransaction.setAlpha(leash, 1.f);
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startTransaction.show(leash);
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ValueAnimator va = new ValueAnimator();
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mAnimations.add(va);
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toTopDecor.onResized(startTransaction, animated -> {
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mAnimations.remove(va);
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if (animated) {
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mTransitions.getMainExecutor().execute(() -> {
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onFinish(null /* wct */);
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});
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}
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});
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} else if (topRoot.equals(change.getContainer())) {
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// Ensure it on top of all changes in transition.
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startTransaction.setLayer(leash, Integer.MAX_VALUE);
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startTransaction.setAlpha(leash, 1.f);
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startTransaction.show(leash);
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}
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}
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startTransaction.apply();
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onFinish(null /* wct */);
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}
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/** Play animation for resize transition. */
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void playResizeAnimation(@NonNull IBinder transition, @NonNull TransitionInfo info,
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@NonNull SurfaceControl.Transaction startTransaction,
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@NonNull SurfaceControl.Transaction finishTransaction,
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@NonNull Transitions.TransitionFinishCallback finishCallback,
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@NonNull WindowContainerToken mainRoot, @NonNull WindowContainerToken sideRoot,
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@NonNull SplitDecorManager mainDecor, @NonNull SplitDecorManager sideDecor) {
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ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "playResizeAnimation: transition=%d", info.getDebugId());
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initTransition(transition, finishTransaction, finishCallback);
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for (int i = info.getChanges().size() - 1; i >= 0; --i) {
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final TransitionInfo.Change change = info.getChanges().get(i);
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if (mainRoot.equals(change.getContainer()) || sideRoot.equals(change.getContainer())) {
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final SurfaceControl leash = change.getLeash();
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startTransaction.setPosition(leash, change.getEndAbsBounds().left,
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change.getEndAbsBounds().top);
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startTransaction.setWindowCrop(leash, change.getEndAbsBounds().width(),
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change.getEndAbsBounds().height());
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SplitDecorManager decor = mainRoot.equals(change.getContainer())
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? mainDecor : sideDecor;
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// This is to ensure onFinished be called after all animations ended.
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ValueAnimator va = new ValueAnimator();
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mAnimations.add(va);
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decor.setScreenshotIfNeeded(change.getSnapshot(), startTransaction);
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decor.onResized(startTransaction, animated -> {
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mAnimations.remove(va);
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if (animated) {
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mTransitions.getMainExecutor().execute(() -> {
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onFinish(null /* wct */);
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});
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}
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});
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}
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}
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startTransaction.apply();
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onFinish(null /* wct */);
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}
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boolean isPendingTransition(IBinder transition) {
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return getPendingTransition(transition) != null;
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}
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boolean isPendingEnter(IBinder transition) {
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return mPendingEnter != null && mPendingEnter.mTransition == transition;
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}
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boolean isPendingDismiss(IBinder transition) {
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return mPendingDismiss != null && mPendingDismiss.mTransition == transition;
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}
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boolean isPendingResize(IBinder transition) {
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return mPendingResize != null && mPendingResize.mTransition == transition;
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}
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boolean isPendingPassThrough(IBinder transition) {
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return mPendingRemotePassthrough != null &&
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mPendingRemotePassthrough.mTransition == transition;
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}
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@Nullable
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private TransitSession getPendingTransition(IBinder transition) {
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if (isPendingEnter(transition)) {
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ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "\tresolved enter transition");
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return mPendingEnter;
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} else if (isPendingDismiss(transition)) {
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ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "\tresolved dismiss transition");
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return mPendingDismiss;
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} else if (isPendingResize(transition)) {
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ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "\tresolved resize transition");
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return mPendingResize;
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} else if (isPendingPassThrough(transition)) {
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ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "\tresolved passThrough transition");
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return mPendingRemotePassthrough;
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}
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return null;
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}
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void startFullscreenTransition(WindowContainerTransaction wct,
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@Nullable RemoteTransition handler) {
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OneShotRemoteHandler fullscreenHandler =
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new OneShotRemoteHandler(mTransitions.getMainExecutor(), handler);
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fullscreenHandler.setTransition(mTransitions
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.startTransition(TRANSIT_OPEN, wct, fullscreenHandler));
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}
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/** Starts a transition to enter split with a remote transition animator. */
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IBinder startEnterTransition(
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@WindowManager.TransitionType int transitType,
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WindowContainerTransaction wct,
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@Nullable RemoteTransition remoteTransition,
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Transitions.TransitionHandler handler,
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int extraTransitType, boolean resizeAnim) {
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if (mPendingEnter != null) {
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ProtoLog.v(WM_SHELL_TRANSITIONS, " splitTransition "
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+ " skip to start enter split transition since it already exist. ");
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return null;
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}
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if (mSplitInvocationListenerExecutor != null && mSplitInvocationListener != null) {
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mSplitInvocationListenerExecutor.execute(() -> mSplitInvocationListener
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.onSplitAnimationInvoked(true /*animationRunning*/));
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}
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final IBinder transition = mTransitions.startTransition(transitType, wct, handler);
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setEnterTransition(transition, remoteTransition, extraTransitType, resizeAnim);
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return transition;
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}
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/** Sets a transition to enter split. */
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void setEnterTransition(@NonNull IBinder transition,
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@Nullable RemoteTransition remoteTransition,
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int extraTransitType, boolean resizeAnim) {
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mPendingEnter = new EnterSession(
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transition, remoteTransition, extraTransitType, resizeAnim);
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ProtoLog.v(WM_SHELL_TRANSITIONS, " splitTransition "
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+ " deduced Enter split screen");
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ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "setEnterTransition: transitType=%d resize=%b",
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extraTransitType, resizeAnim);
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}
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/** Sets a transition to enter split. */
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void setRemotePassThroughTransition(@NonNull IBinder transition,
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@Nullable RemoteTransition remoteTransition) {
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mPendingRemotePassthrough = new TransitSession(
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transition, null, null,
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remoteTransition, Transitions.TRANSIT_SPLIT_PASSTHROUGH);
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ProtoLog.v(WM_SHELL_TRANSITIONS, " splitTransition "
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+ " deduced remote passthrough split screen");
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ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "setRemotePassThrough: transitType=%d remote=%s",
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Transitions.TRANSIT_SPLIT_PASSTHROUGH, remoteTransition);
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}
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/** Starts a transition to dismiss split. */
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IBinder startDismissTransition(WindowContainerTransaction wct,
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Transitions.TransitionHandler handler, @SplitScreen.StageType int dismissTop,
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@SplitScreenController.ExitReason int reason) {
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if (mPendingDismiss != null) {
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ProtoLog.v(WM_SHELL_TRANSITIONS, " splitTransition "
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+ " skip to start dismiss split transition since it already exist. reason to "
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+ " dismiss = %s", exitReasonToString(reason));
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return null;
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}
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final int type = reason == EXIT_REASON_DRAG_DIVIDER
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? TRANSIT_SPLIT_DISMISS_SNAP : TRANSIT_SPLIT_DISMISS;
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IBinder transition = mTransitions.startTransition(type, wct, handler);
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setDismissTransition(transition, dismissTop, reason);
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return transition;
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}
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/** Sets a transition to dismiss split. */
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void setDismissTransition(@NonNull IBinder transition, @SplitScreen.StageType int dismissTop,
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@SplitScreenController.ExitReason int reason) {
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mPendingDismiss = new DismissSession(transition, reason, dismissTop);
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ProtoLog.v(WM_SHELL_TRANSITIONS, " splitTransition "
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+ " deduced Dismiss due to %s. toTop=%s",
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exitReasonToString(reason), stageTypeToString(dismissTop));
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ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "setDismissTransition: reason=%s dismissTop=%s",
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exitReasonToString(reason), stageTypeToString(dismissTop));
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}
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IBinder startResizeTransition(WindowContainerTransaction wct,
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Transitions.TransitionHandler handler,
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@Nullable TransitionConsumedCallback consumedCallback,
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@Nullable TransitionFinishedCallback finishCallback,
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@NonNull SplitDecorManager mainDecor, @NonNull SplitDecorManager sideDecor) {
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ProtoLog.v(ShellProtoLogGroup.WM_SHELL_TRANSITIONS,
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" splitTransition deduced Resize split screen.");
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ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "setResizeTransition: hasPendingResize=%b",
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mPendingResize != null);
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if (mPendingResize != null) {
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mainDecor.cancelRunningAnimations();
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sideDecor.cancelRunningAnimations();
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mPendingResize.cancel(null);
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mAnimations.clear();
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onFinish(null /* wct */);
|
|
}
|
|
|
|
IBinder transition = mTransitions.startTransition(TRANSIT_CHANGE, wct, handler);
|
|
mPendingResize = new TransitSession(transition, consumedCallback, finishCallback);
|
|
return transition;
|
|
}
|
|
|
|
void mergeAnimation(IBinder transition, TransitionInfo info, SurfaceControl.Transaction t,
|
|
IBinder mergeTarget, Transitions.TransitionFinishCallback finishCallback) {
|
|
if (mergeTarget != mAnimatingTransition) return;
|
|
|
|
if (mActiveRemoteHandler != null) {
|
|
mActiveRemoteHandler.mergeAnimation(transition, info, t, mergeTarget, finishCallback);
|
|
} else {
|
|
for (int i = mAnimations.size() - 1; i >= 0; --i) {
|
|
final Animator anim = mAnimations.get(i);
|
|
mTransitions.getAnimExecutor().execute(anim::end);
|
|
}
|
|
}
|
|
}
|
|
|
|
boolean end() {
|
|
// If It's remote, there's nothing we can do right now.
|
|
if (mActiveRemoteHandler != null) return false;
|
|
for (int i = mAnimations.size() - 1; i >= 0; --i) {
|
|
final Animator anim = mAnimations.get(i);
|
|
mTransitions.getAnimExecutor().execute(anim::end);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void onTransitionConsumed(@NonNull IBinder transition, boolean aborted,
|
|
@Nullable SurfaceControl.Transaction finishT) {
|
|
if (isPendingEnter(transition)) {
|
|
if (!aborted) {
|
|
// An entering transition got merged, appends the rest operations to finish entering
|
|
// split screen.
|
|
mStageCoordinator.finishEnterSplitScreen(finishT);
|
|
}
|
|
|
|
mPendingEnter.onConsumed(aborted);
|
|
mPendingEnter = null;
|
|
mStageCoordinator.notifySplitAnimationFinished();
|
|
ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "onTransitionConsumed for enter transition");
|
|
} else if (isPendingDismiss(transition)) {
|
|
mPendingDismiss.onConsumed(aborted);
|
|
mPendingDismiss = null;
|
|
ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "onTransitionConsumed for dismiss transition");
|
|
} else if (isPendingResize(transition)) {
|
|
mPendingResize.onConsumed(aborted);
|
|
mPendingResize = null;
|
|
ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "onTransitionConsumed for resize transition");
|
|
} else if (isPendingPassThrough(transition)) {
|
|
mPendingRemotePassthrough.onConsumed(aborted);
|
|
mPendingRemotePassthrough.mRemoteHandler.onTransitionConsumed(transition, aborted,
|
|
finishT);
|
|
mPendingRemotePassthrough = null;
|
|
ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "onTransitionConsumed for passThrough transition");
|
|
}
|
|
|
|
// TODO: handle transition consumed for active remote handler
|
|
}
|
|
|
|
void onFinish(WindowContainerTransaction wct) {
|
|
if (!mAnimations.isEmpty()) return;
|
|
|
|
if (wct == null) wct = new WindowContainerTransaction();
|
|
if (isPendingEnter(mAnimatingTransition)) {
|
|
mPendingEnter.onFinished(wct, mFinishTransaction);
|
|
mPendingEnter = null;
|
|
ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "onFinish for enter transition");
|
|
} else if (isPendingDismiss(mAnimatingTransition)) {
|
|
mPendingDismiss.onFinished(wct, mFinishTransaction);
|
|
mPendingDismiss = null;
|
|
ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "onFinish for dismiss transition");
|
|
} else if (isPendingResize(mAnimatingTransition)) {
|
|
mPendingResize.onFinished(wct, mFinishTransaction);
|
|
mPendingResize = null;
|
|
ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "onFinish for resize transition");
|
|
} else if (isPendingPassThrough(mAnimatingTransition)) {
|
|
mPendingRemotePassthrough.onFinished(wct, mFinishTransaction);
|
|
mPendingRemotePassthrough = null;
|
|
ProtoLog.d(WM_SHELL_SPLIT_SCREEN, "onFinish for passThrough transition");
|
|
}
|
|
|
|
mActiveRemoteHandler = null;
|
|
mAnimatingTransition = null;
|
|
|
|
mOnFinish.run();
|
|
if (mFinishCallback != null) {
|
|
Transitions.TransitionFinishCallback currentFinishCallback = mFinishCallback;
|
|
mFinishCallback = null;
|
|
currentFinishCallback.onTransitionFinished(wct /* wct */);
|
|
}
|
|
}
|
|
|
|
private void startFadeAnimation(@NonNull SurfaceControl leash, boolean show) {
|
|
final float end = show ? 1.f : 0.f;
|
|
final float start = 1.f - end;
|
|
final ValueAnimator va = ValueAnimator.ofFloat(start, end);
|
|
va.setDuration(FADE_DURATION);
|
|
va.setInterpolator(show ? ALPHA_IN : ALPHA_OUT);
|
|
va.addUpdateListener(animation -> {
|
|
float fraction = animation.getAnimatedFraction();
|
|
final SurfaceControl.Transaction transaction = mTransactionPool.acquire();
|
|
transaction.setAlpha(leash, start * (1.f - fraction) + end * fraction);
|
|
transaction.apply();
|
|
mTransactionPool.release(transaction);
|
|
});
|
|
va.addListener(new AnimatorListenerAdapter() {
|
|
@Override
|
|
public void onAnimationEnd(Animator animation) {
|
|
final SurfaceControl.Transaction transaction = mTransactionPool.acquire();
|
|
transaction.setAlpha(leash, end);
|
|
transaction.apply();
|
|
mTransactionPool.release(transaction);
|
|
mTransitions.getMainExecutor().execute(() -> {
|
|
mAnimations.remove(va);
|
|
onFinish(null /* wct */);
|
|
});
|
|
}
|
|
});
|
|
mAnimations.add(va);
|
|
mTransitions.getAnimExecutor().execute(va::start);
|
|
}
|
|
|
|
public void registerSplitAnimListener(@NonNull SplitScreen.SplitInvocationListener listener,
|
|
@NonNull Executor executor) {
|
|
mSplitInvocationListener = listener;
|
|
mSplitInvocationListenerExecutor = executor;
|
|
}
|
|
|
|
/** Calls when the transition got consumed. */
|
|
interface TransitionConsumedCallback {
|
|
void onConsumed(boolean aborted);
|
|
}
|
|
|
|
/** Calls when the transition finished. */
|
|
interface TransitionFinishedCallback {
|
|
void onFinished(WindowContainerTransaction wct, SurfaceControl.Transaction t);
|
|
}
|
|
|
|
/** Session for a transition and its clean-up callback. */
|
|
class TransitSession {
|
|
final IBinder mTransition;
|
|
TransitionConsumedCallback mConsumedCallback;
|
|
TransitionFinishedCallback mFinishedCallback;
|
|
OneShotRemoteHandler mRemoteHandler;
|
|
|
|
/** Whether the transition was canceled. */
|
|
boolean mCanceled;
|
|
|
|
/** A note for extra transit type, to help indicate custom transition. */
|
|
final int mExtraTransitType;
|
|
|
|
TransitSession(IBinder transition,
|
|
@Nullable TransitionConsumedCallback consumedCallback,
|
|
@Nullable TransitionFinishedCallback finishedCallback) {
|
|
this(transition, consumedCallback, finishedCallback, null /* remoteTransition */, 0);
|
|
}
|
|
|
|
TransitSession(IBinder transition,
|
|
@Nullable TransitionConsumedCallback consumedCallback,
|
|
@Nullable TransitionFinishedCallback finishedCallback,
|
|
@Nullable RemoteTransition remoteTransition, int extraTransitType) {
|
|
mTransition = transition;
|
|
mConsumedCallback = consumedCallback;
|
|
mFinishedCallback = finishedCallback;
|
|
|
|
if (remoteTransition != null) {
|
|
// Wrapping the remote transition for ease-of-use. (OneShot handles all the binder
|
|
// linking/death stuff)
|
|
mRemoteHandler = new OneShotRemoteHandler(
|
|
mTransitions.getMainExecutor(), remoteTransition);
|
|
mRemoteHandler.setTransition(transition);
|
|
}
|
|
mExtraTransitType = extraTransitType;
|
|
}
|
|
|
|
/** Sets transition consumed callback. */
|
|
void setConsumedCallback(@Nullable TransitionConsumedCallback callback) {
|
|
mConsumedCallback = callback;
|
|
}
|
|
|
|
/** Sets transition finished callback. */
|
|
void setFinishedCallback(@Nullable TransitionFinishedCallback callback) {
|
|
mFinishedCallback = callback;
|
|
}
|
|
|
|
/**
|
|
* Cancels the transition. This should be called before playing animation. A canceled
|
|
* transition will skip playing animation.
|
|
*
|
|
* @param finishedCb new finish callback to override.
|
|
*/
|
|
void cancel(@Nullable TransitionFinishedCallback finishedCb) {
|
|
mCanceled = true;
|
|
setFinishedCallback(finishedCb);
|
|
}
|
|
|
|
void onConsumed(boolean aborted) {
|
|
if (mConsumedCallback != null) {
|
|
mConsumedCallback.onConsumed(aborted);
|
|
}
|
|
}
|
|
|
|
void onFinished(WindowContainerTransaction finishWct,
|
|
SurfaceControl.Transaction finishT) {
|
|
if (mFinishedCallback != null) {
|
|
mFinishedCallback.onFinished(finishWct, finishT);
|
|
}
|
|
}
|
|
}
|
|
|
|
/** Bundled information of enter transition. */
|
|
class EnterSession extends TransitSession {
|
|
final boolean mResizeAnim;
|
|
|
|
EnterSession(IBinder transition,
|
|
@Nullable RemoteTransition remoteTransition,
|
|
int extraTransitType, boolean resizeAnim) {
|
|
super(transition, null /* consumedCallback */, null /* finishedCallback */,
|
|
remoteTransition, extraTransitType);
|
|
this.mResizeAnim = resizeAnim;
|
|
}
|
|
}
|
|
|
|
/** Bundled information of dismiss transition. */
|
|
class DismissSession extends TransitSession {
|
|
final int mReason;
|
|
final @SplitScreen.StageType int mDismissTop;
|
|
|
|
DismissSession(IBinder transition, int reason, int dismissTop) {
|
|
super(transition, null /* consumedCallback */, null /* finishedCallback */);
|
|
this.mReason = reason;
|
|
this.mDismissTop = dismissTop;
|
|
}
|
|
}
|
|
}
|