content: /*
   * 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.LINEAR;
  import static com.android.quickstep.views.IconRecentsView.CONTENT_ALPHA;
  
  import android.animation.AnimatorSet;
  import android.animation.ObjectAnimator;
  import android.graphics.Rect;
  
  import androidx.annotation.Nullable;
  
  import com.android.launcher3.anim.AnimatorPlaybackController;
  import com.android.launcher3.userevent.nano.LauncherLogProto;
  import com.android.quickstep.util.RemoteAnimationTargetSet;
  import com.android.quickstep.views.IconRecentsView;
  
  import java.util.function.BiPredicate;
  import androidx.core.util.Consumer;
  
  /**
   * {@link ActivityControlHelper} for recents when the default launcher is different than the
   * currently running one and apps should interact with the {@link RecentsActivity} as opposed
   * to the in-launcher one.
   */
  public final class FallbackActivityControllerHelper extends
          GoActivityControlHelper<RecentsActivity> {
  
      public FallbackActivityControllerHelper() { }
  
      @Override
      public AnimationFactory prepareRecentsUI(RecentsActivity activity, boolean activityVisible,
              boolean animateActivity, Consumer<AnimatorPlaybackController> callback) {
          if (activityVisible) {
              return (transitionLength) -> { };
          }
  
          IconRecentsView rv = activity.getOverviewPanel();
          rv.setUsingRemoteAnimation(true);
          rv.setAlpha(0);
  
          return new AnimationFactory() {
  
              boolean isAnimatingToRecents = false;
  
              @Override
              public void onRemoteAnimationReceived(RemoteAnimationTargetSet targets) {
                  isAnimatingToRecents = targets != null && targets.isAnimatingHome();
                  if (!isAnimatingToRecents) {
                      rv.setAlpha(1);
                  }
                  createActivityController(getSwipeUpDestinationAndLength(
                          activity.getDeviceProfile(), activity, new Rect()));
              }
  
              @Override
              public void createActivityController(long transitionLength) {
                  if (!isAnimatingToRecents) {
                      return;
                  }
  
                  ObjectAnimator anim = ObjectAnimator.ofFloat(rv, CONTENT_ALPHA, 0, 1);
                  anim.setDuration(transitionLength).setInterpolator(LINEAR);
                  AnimatorSet animatorSet = new AnimatorSet();
                  animatorSet.play(anim);
                  callback.accept(AnimatorPlaybackController.wrap(animatorSet, transitionLength));
              }
          };
      }
  
      @Override
      public ActivityInitListener createActivityInitListener(
              BiPredicate<RecentsActivity, Boolean> onInitListener) {
          return new RecentsActivityTracker(onInitListener);
      }
  
      @Nullable
      @Override
      public RecentsActivity getCreatedActivity() {
          return RecentsActivityTracker.getCurrentActivity();
      }
  
      @Nullable
      @Override
      public IconRecentsView getVisibleRecentsView() {
          RecentsActivity activity = getCreatedActivity();
          if (activity != null && activity.hasWindowFocus()) {
              return activity.getOverviewPanel();
          }
          return null;
      }
  
      @Override
      public boolean switchToRecentsIfVisible(Runnable onCompleteCallback) {
          return false;
      }
  
      @Override
      public int getContainerType() {
          return LauncherLogProto.ContainerType.SIDELOADED_LAUNCHER;
      }
  
      @Override
      public void onLaunchTaskSuccess(RecentsActivity activity) { }
  }
  