1 /* 2 * Copyright (C) 2021 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package com.android.launcher3.taskbar; 17 18 import static com.android.launcher3.taskbar.TaskbarStashController.FLAG_IN_APP; 19 import static com.android.launcher3.taskbar.TaskbarStashController.FLAG_IN_STASHED_LAUNCHER_STATE; 20 import static com.android.launcher3.taskbar.TaskbarStashController.TASKBAR_STASH_DURATION; 21 22 import android.animation.Animator; 23 24 import com.android.launcher3.statemanager.StateManager; 25 import com.android.quickstep.RecentsActivity; 26 import com.android.quickstep.fallback.RecentsState; 27 import com.android.quickstep.views.RecentsView; 28 29 /** 30 * A data source which integrates with the fallback RecentsActivity instance (for 3P launchers). 31 */ 32 public class FallbackTaskbarUIController extends TaskbarUIController { 33 34 private final RecentsActivity mRecentsActivity; 35 36 private final StateManager.StateListener<RecentsState> mStateListener = 37 new StateManager.StateListener<RecentsState>() { 38 @Override 39 public void onStateTransitionStart(RecentsState toState) { 40 animateToRecentsState(toState); 41 42 // Handle tapping on live tile. 43 RecentsView recentsView = mRecentsActivity.getOverviewPanel(); 44 recentsView.setTaskLaunchListener(toState == RecentsState.DEFAULT 45 ? (() -> animateToRecentsState(RecentsState.BACKGROUND_APP)) : null); 46 } 47 }; 48 FallbackTaskbarUIController(RecentsActivity recentsActivity)49 public FallbackTaskbarUIController(RecentsActivity recentsActivity) { 50 mRecentsActivity = recentsActivity; 51 } 52 53 @Override init(TaskbarControllers taskbarControllers)54 protected void init(TaskbarControllers taskbarControllers) { 55 super.init(taskbarControllers); 56 57 mRecentsActivity.setTaskbarUIController(this); 58 mRecentsActivity.getStateManager().addStateListener(mStateListener); 59 } 60 61 @Override onDestroy()62 protected void onDestroy() { 63 super.onDestroy(); 64 mRecentsActivity.setTaskbarUIController(null); 65 mRecentsActivity.getStateManager().removeStateListener(mStateListener); 66 } 67 68 /** 69 * Creates an animation to animate the taskbar for the given state (but does not start it). 70 * Currently this animation just force stashes the taskbar in Overview. 71 */ createAnimToRecentsState(RecentsState toState, long duration)72 public Animator createAnimToRecentsState(RecentsState toState, long duration) { 73 boolean forceStashed = toState.hasOverviewActions(); 74 TaskbarStashController controller = mControllers.taskbarStashController; 75 // Set both FLAG_IN_STASHED_LAUNCHER_STATE and FLAG_IN_APP to ensure the state is respected. 76 // For all other states, just use the current stashed-in-app setting (e.g. if long clicked). 77 controller.updateStateForFlag(FLAG_IN_STASHED_LAUNCHER_STATE, forceStashed); 78 controller.updateStateForFlag(FLAG_IN_APP, !forceStashed); 79 return controller.applyStateWithoutStart(duration); 80 } 81 animateToRecentsState(RecentsState toState)82 private void animateToRecentsState(RecentsState toState) { 83 Animator anim = createAnimToRecentsState(toState, TASKBAR_STASH_DURATION); 84 if (anim != null) { 85 anim.start(); 86 } 87 } 88 } 89