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