1 /* 2 * Copyright (C) 2014 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 17 package com.android.systemui.recents; 18 19 /** 20 * The launch state of the RecentsActivity. 21 * 22 * Current Constraints: 23 * - needed in onStart() before onNewIntent() 24 * - needs to be reset when Recents is hidden 25 * - needs to be computed in Recents component 26 * - needs to be accessible by views 27 */ 28 public class RecentsActivityLaunchState { 29 30 public boolean launchedWithAltTab; 31 public boolean launchedFromApp; 32 // Set if the activity that we launched from entered PiP during the transition into Recents 33 public boolean launchedFromPipApp; 34 // Set if the next activity that quick-switch will launch is the PiP activity 35 public boolean launchedWithNextPipApp; 36 public boolean launchedFromBlacklistedApp; 37 public boolean launchedFromHome; 38 public boolean launchedViaDragGesture; 39 public boolean launchedViaDockGesture; 40 public int launchedToTaskId; 41 public int launchedNumVisibleTasks; 42 public int launchedNumVisibleThumbnails; 43 44 public void reset() { 45 launchedFromHome = false; 46 launchedFromApp = false; 47 launchedFromBlacklistedApp = false; 48 launchedFromPipApp = false; 49 launchedWithNextPipApp = false; 50 launchedToTaskId = -1; 51 launchedWithAltTab = false; 52 launchedViaDragGesture = false; 53 launchedViaDockGesture = false; 54 } 55 56 /** 57 * Returns the task to focus given the current launch state. 58 */ 59 public int getInitialFocusTaskIndex(int numTasks, boolean useGridLayout) { 60 RecentsDebugFlags debugFlags = Recents.getDebugFlags(); 61 RecentsActivityLaunchState launchState = Recents.getConfiguration().getLaunchState(); 62 if (launchedFromApp) { 63 if (!launchState.launchedWithAltTab && debugFlags.isFastToggleRecentsEnabled()) { 64 // If fast toggling, focus the front most task so that the next tap will launch the 65 // task 66 return numTasks - 1; 67 } 68 69 if (launchState.launchedFromBlacklistedApp) { 70 // If we are launching from a blacklisted app, focus the front most task so that the 71 // next tap will launch the task 72 return numTasks - 1; 73 } 74 75 if (useGridLayout) { 76 // If coming from another app to the grid layout, focus the front most task 77 return numTasks - 1; 78 } 79 80 // If coming from another app, focus the next task 81 return Math.max(0, numTasks - 2); 82 } else { 83 if (!launchState.launchedWithAltTab && debugFlags.isFastToggleRecentsEnabled()) { 84 // If fast toggling, defer focusing until the next tap (which will automatically 85 // focus the front most task) 86 return -1; 87 } 88 89 // If coming from home, focus the front most task 90 return numTasks - 1; 91 } 92 } 93 } 94
