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/*
* Copyright (C) 2019 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.quickstep;
import static com.android.launcher3.anim.Interpolators.FAST_OUT_SLOW_IN;
import static com.android.quickstep.views.IconRecentsView.REMOTE_APP_TO_OVERVIEW_DURATION;
import static com.android.systemui.shared.system.RemoteAnimationTargetCompat.MODE_CLOSING;
import static com.android.systemui.shared.system.RemoteAnimationTargetCompat.MODE_OPENING;
import android.animation.AnimatorSet;
import android.animation.ValueAnimator;
import android.util.Log;
import com.android.launcher3.BaseDraggingActivity;
import com.android.quickstep.util.RemoteAnimationProvider;
import com.android.quickstep.util.RemoteAnimationTargetSet;
import com.android.quickstep.views.IconRecentsView;
import com.android.systemui.shared.system.RemoteAnimationTargetCompat;
/**
* Provider for the atomic remote window animation from the app to the overview.
*
* @param <T> activity that contains the overview
*/
final class AppToOverviewAnimationProvider<T extends BaseDraggingActivity> implements
RemoteAnimationProvider {
private static final String TAG = "AppToOverviewAnimationProvider";
private final ActivityControlHelper<T> mHelper;
private final int mTargetTaskId;
private IconRecentsView mRecentsView;
private AppToOverviewAnimationListener mAnimationReadyListener;
AppToOverviewAnimationProvider(ActivityControlHelper<T> helper, int targetTaskId) {
mHelper = helper;
mTargetTaskId = targetTaskId;
}
/**
* Set listener to various points in the animation preparing to animate.
*
* @param listener listener
*/
void setAnimationListener(AppToOverviewAnimationListener listener) {
mAnimationReadyListener = listener;
}
/**
* Callback for when the activity is ready/initialized.
*
* @param activity the activity that is ready
* @param wasVisible true if it was visible before
*/
boolean onActivityReady(T activity, Boolean wasVisible) {
if (mAnimationReadyListener != null) {
mAnimationReadyListener.onActivityReady(activity);
}
ActivityControlHelper.AnimationFactory factory =
mHelper.prepareRecentsUI(activity, wasVisible,
false /* animate activity */, (controller) -> {
controller.dispatchOnStart();
ValueAnimator anim = controller.getAnimationPlayer()
.setDuration(getRecentsLaunchDuration());
anim.setInterpolator(FAST_OUT_SLOW_IN);
anim.start();
});
factory.onRemoteAnimationReceived(null);
factory.createActivityController(getRecentsLaunchDuration());
mRecentsView = activity.getOverviewPanel();
return false;
}
/**
* Create remote window animation from the currently running app to the overview panel. Should
* be called after {@link #onActivityReady}.
*
* @param targetCompats the target apps
* @return animation from app to overview
*/
@Override
public AnimatorSet createWindowAnimation(RemoteAnimationTargetCompat[] targetCompats) {
if (mAnimationReadyListener != null) {
mAnimationReadyListener.onWindowAnimationCreated();
}
AnimatorSet anim = new AnimatorSet();
if (mRecentsView == null) {
if (Log.isLoggable(TAG, Log.WARN)) {
Log.w(TAG, "No recents view. Using stub animation.");
}
anim.play(ValueAnimator.ofInt(0, 1).setDuration(getRecentsLaunchDuration()));
return anim;
}
RemoteAnimationTargetSet targetSet =
new RemoteAnimationTargetSet(targetCompats, MODE_CLOSING);
mRecentsView.setTransitionedFromApp(!targetSet.isAnimatingHome());
RemoteAnimationTargetCompat recentsTarget = null;
RemoteAnimationTargetCompat closingAppTarget = null;
for (RemoteAnimationTargetCompat target : targetCompats) {
if (target.mode == MODE_OPENING) {
recentsTarget = target;
} else if (target.mode == MODE_CLOSING && target.taskId == mTargetTaskId) {
closingAppTarget = target;
}
}
if (closingAppTarget == null) {
if (Log.isLoggable(TAG, Log.WARN)) {
Log.w(TAG, "No closing app target. Using stub animation.");
}
anim.play(ValueAnimator.ofInt(0, 1).setDuration(getRecentsLaunchDuration()));
return anim;
}
if (recentsTarget == null) {
if (Log.isLoggable(TAG, Log.WARN)) {
Log.w(TAG, "No recents target. Using stub animation.");
}
anim.play(ValueAnimator.ofInt(0, 1).setDuration(getRecentsLaunchDuration()));
return anim;
}
mRecentsView.playRemoteAppToRecentsAnimation(anim, closingAppTarget, recentsTarget);
return anim;
}
/**
* Get duration of animation from app to overview.
*
* @return duration of animation
*/
long getRecentsLaunchDuration() {
return REMOTE_APP_TO_OVERVIEW_DURATION;
}
/**
* Listener for various points in the app to overview animation preparing to animate.
*/
interface AppToOverviewAnimationListener {
/**
* Logic for when activity we're animating to is ready
*
* @param activity activity to animate to
*/
void onActivityReady(BaseDraggingActivity activity);
/**
* Logic for when we've created the app to recents animation.
*/
void onWindowAnimationCreated();
}
}
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