src.androidx.window.extensions.embedding.TaskFragmentAnimationController Maven / Gradle / Ivy

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/*
 * Copyright (C) 2021 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 androidx.window.extensions.embedding;

import static android.view.WindowManager.TRANSIT_OLD_ACTIVITY_CLOSE;
import static android.view.WindowManager.TRANSIT_OLD_ACTIVITY_OPEN;
import static android.view.WindowManager.TRANSIT_OLD_TASK_CLOSE;
import static android.view.WindowManager.TRANSIT_OLD_TASK_FRAGMENT_CHANGE;
import static android.view.WindowManager.TRANSIT_OLD_TASK_FRAGMENT_CLOSE;
import static android.view.WindowManager.TRANSIT_OLD_TASK_FRAGMENT_OPEN;
import static android.view.WindowManager.TRANSIT_OLD_TASK_OPEN;

import android.util.ArraySet;
import android.util.Log;
import android.view.RemoteAnimationAdapter;
import android.view.RemoteAnimationDefinition;
import android.window.TaskFragmentOrganizer;

import com.android.internal.annotations.VisibleForTesting;

/** Controls the TaskFragment remote animations. */
class TaskFragmentAnimationController {

    private static final String TAG = "TaskFragAnimationCtrl";
    static final boolean DEBUG = false;

    private final TaskFragmentOrganizer mOrganizer;
    private final TaskFragmentAnimationRunner mRemoteRunner = new TaskFragmentAnimationRunner();
    @VisibleForTesting
    final RemoteAnimationDefinition mDefinition;
    /** Task Ids that we have registered for remote animation. */
    private final ArraySet mRegisterTasks = new ArraySet<>();

    TaskFragmentAnimationController(TaskFragmentOrganizer organizer) {
        mOrganizer = organizer;
        mDefinition = new RemoteAnimationDefinition();
        final RemoteAnimationAdapter animationAdapter =
                new RemoteAnimationAdapter(mRemoteRunner, 0, 0, true /* changeNeedsSnapshot */);
        mDefinition.addRemoteAnimation(TRANSIT_OLD_ACTIVITY_OPEN, animationAdapter);
        mDefinition.addRemoteAnimation(TRANSIT_OLD_TASK_FRAGMENT_OPEN, animationAdapter);
        mDefinition.addRemoteAnimation(TRANSIT_OLD_TASK_OPEN, animationAdapter);
        mDefinition.addRemoteAnimation(TRANSIT_OLD_ACTIVITY_CLOSE, animationAdapter);
        mDefinition.addRemoteAnimation(TRANSIT_OLD_TASK_FRAGMENT_CLOSE, animationAdapter);
        mDefinition.addRemoteAnimation(TRANSIT_OLD_TASK_CLOSE, animationAdapter);
        mDefinition.addRemoteAnimation(TRANSIT_OLD_TASK_FRAGMENT_CHANGE, animationAdapter);
    }

    void registerRemoteAnimations(int taskId) {
        if (DEBUG) {
            Log.v(TAG, "registerRemoteAnimations");
        }
        if (mRegisterTasks.contains(taskId)) {
            return;
        }
        mOrganizer.registerRemoteAnimations(taskId, mDefinition);
        mRegisterTasks.add(taskId);
    }

    void unregisterRemoteAnimations(int taskId) {
        if (DEBUG) {
            Log.v(TAG, "unregisterRemoteAnimations");
        }
        if (!mRegisterTasks.contains(taskId)) {
            return;
        }
        mOrganizer.unregisterRemoteAnimations(taskId);
        mRegisterTasks.remove(taskId);
    }

    void unregisterAllRemoteAnimations() {
        final ArraySet tasks = new ArraySet<>(mRegisterTasks);
        for (int taskId : tasks) {
            unregisterRemoteAnimations(taskId);
        }
    }
}