/*
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* Copyright (C) 2017 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.server.wm;
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import static com.android.server.wm.AnimationAdapterProto.LOCAL;
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import static com.android.server.wm.LocalAnimationAdapterProto.ANIMATION_SPEC;
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import android.os.SystemClock;
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import android.util.proto.ProtoOutputStream;
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import android.view.SurfaceControl;
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import android.view.SurfaceControl.Transaction;
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import com.android.server.wm.SurfaceAnimator.OnAnimationFinishedCallback;
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import java.io.PrintWriter;
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/**
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* Animation that can be executed without holding the window manager lock. See
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* {@link SurfaceAnimationRunner}.
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*/
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class LocalAnimationAdapter implements AnimationAdapter {
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private final AnimationSpec mSpec;
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private final SurfaceAnimationRunner mAnimator;
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LocalAnimationAdapter(AnimationSpec spec, SurfaceAnimationRunner animator) {
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mSpec = spec;
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mAnimator = animator;
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}
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@Override
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public boolean getShowWallpaper() {
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return mSpec.getShowWallpaper();
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}
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@Override
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public int getBackgroundColor() {
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return mSpec.getBackgroundColor();
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}
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@Override
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public void startAnimation(SurfaceControl animationLeash, Transaction t,
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OnAnimationFinishedCallback finishCallback) {
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mAnimator.startAnimation(mSpec, animationLeash, t,
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() -> finishCallback.onAnimationFinished(this));
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}
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@Override
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public void onAnimationCancelled(SurfaceControl animationLeash) {
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mAnimator.onAnimationCancelled(animationLeash);
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}
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@Override
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public long getDurationHint() {
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return mSpec.getDuration();
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}
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@Override
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public long getStatusBarTransitionsStartTime() {
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return mSpec.calculateStatusBarTransitionStartTime();
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}
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@Override
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public void dump(PrintWriter pw, String prefix) {
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mSpec.dump(pw, prefix);
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}
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@Override
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public void writeToProto(ProtoOutputStream proto) {
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final long token = proto.start(LOCAL);
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mSpec.writeToProto(proto, ANIMATION_SPEC);
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proto.end(token);
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}
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/**
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* Describes how to apply an animation.
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*/
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interface AnimationSpec {
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/**
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* @see AnimationAdapter#getShowWallpaper
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*/
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default boolean getShowWallpaper() {
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return false;
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}
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/**
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* @see AnimationAdapter#getBackgroundColor
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*/
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default int getBackgroundColor() {
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return 0;
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}
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/**
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* @see AnimationAdapter#getStatusBarTransitionsStartTime
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*/
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default long calculateStatusBarTransitionStartTime() {
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return SystemClock.uptimeMillis();
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}
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/**
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* @return The duration of the animation.
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*/
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long getDuration();
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/**
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* Called when the spec needs to apply the current animation state to the leash.
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*
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* @param t The transaction to use to apply a transform.
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* @param leash The leash to apply the state to.
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* @param currentPlayTime The current time of the animation.
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*/
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void apply(Transaction t, SurfaceControl leash, long currentPlayTime);
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/**
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* @see AppTransition#canSkipFirstFrame
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*/
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default boolean canSkipFirstFrame() {
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return false;
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}
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/**
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* @return {@code true} if we need to wake-up SurfaceFlinger earlier during this animation.
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*
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* @see Transaction#setEarlyWakeup
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*/
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default boolean needsEarlyWakeup() { return false; }
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void dump(PrintWriter pw, String prefix);
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default void writeToProto(ProtoOutputStream proto, long fieldId) {
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final long token = proto.start(fieldId);
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writeToProtoInner(proto);
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proto.end(token);
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}
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void writeToProtoInner(ProtoOutputStream proto);
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}
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}
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