TaskStack.java revision 16bc2a7f379edd7796bb5aa4400e1b7c14376a08
1303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung/* 2303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung * Copyright (C) 2014 The Android Open Source Project 3303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung * 4303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung * Licensed under the Apache License, Version 2.0 (the "License"); 5303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung * you may not use this file except in compliance with the License. 6303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung * You may obtain a copy of the License at 7303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung * 8303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung * http://www.apache.org/licenses/LICENSE-2.0 9303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung * 10303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung * Unless required by applicable law or agreed to in writing, software 11303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung * distributed under the License is distributed on an "AS IS" BASIS, 12303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung * See the License for the specific language governing permissions and 14303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung * limitations under the License. 15303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung */ 16303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung 17303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chungpackage com.android.systemui.recents.model; 18303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung 19882072baacaee4ecd43f0209b691a9af746462f2Winsonimport android.animation.ObjectAnimator; 20e7f138c7f0a190c86cec10fb32fa106aacae4093Winsonimport android.content.ComponentName; 2135f3050959e43bf378f9a0adcaef13729206c7e4Winsonimport android.content.Context; 22ec396d6399c5c31d697d81e94aff459e9771b0c6Winson Chungimport android.graphics.Color; 23be7607af8875236b9cf7bdb5f5aa089c207529afWinsonimport android.graphics.Rect; 24be7607af8875236b9cf7bdb5f5aa089c207529afWinsonimport android.graphics.RectF; 25882072baacaee4ecd43f0209b691a9af746462f2Winsonimport android.graphics.drawable.ColorDrawable; 262b9ef6548be89d36ea7629f4a3d8ba7bba1422ceWinson Chungimport android.util.SparseArray; 272536c7ed446203ea12b38cf05a88e603f8d1b768Winsonimport com.android.systemui.R; 28e7f138c7f0a190c86cec10fb32fa106aacae4093Winsonimport com.android.systemui.recents.Recents; 29c742f973b1e506732911c156c5869fd377afc5bfWinsonimport com.android.systemui.recents.RecentsDebugFlags; 30ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chungimport com.android.systemui.recents.misc.NamedCounter; 31e7f138c7f0a190c86cec10fb32fa106aacae4093Winsonimport com.android.systemui.recents.misc.SystemServicesProxy; 32a0e88b5013d708ac6ed6518817d83c64c87ae4b1Winson Chungimport com.android.systemui.recents.misc.Utilities; 33eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winsonimport com.android.systemui.recents.views.DropTarget; 34303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung 35303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chungimport java.util.ArrayList; 36ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chungimport java.util.Collections; 37ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chungimport java.util.Comparator; 38ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chungimport java.util.HashMap; 39e7f138c7f0a190c86cec10fb32fa106aacae4093Winsonimport java.util.HashSet; 40303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chungimport java.util.List; 41a433fa9c17772f563163ff7db177d091d6aebd5bWinson Chungimport java.util.Random; 42303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung 43be7607af8875236b9cf7bdb5f5aa089c207529afWinsonimport static android.app.ActivityManager.DOCKED_STACK_CREATE_MODE_BOTTOM_OR_RIGHT; 44be7607af8875236b9cf7bdb5f5aa089c207529afWinsonimport static android.app.ActivityManager.DOCKED_STACK_CREATE_MODE_TOP_OR_LEFT; 45eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winsonimport static android.app.ActivityManager.StackId.FREEFORM_WORKSPACE_STACK_ID; 46eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winsonimport static android.app.ActivityManager.StackId.FULLSCREEN_WORKSPACE_STACK_ID; 47be7607af8875236b9cf7bdb5f5aa089c207529afWinson 48303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung 49303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung/** 50303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung * An interface for a task filter to query whether a particular task should show in a stack. 51303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung */ 52303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chunginterface TaskFilter { 53303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung /** Returns whether the filter accepts the specified task */ 542b9ef6548be89d36ea7629f4a3d8ba7bba1422ceWinson Chung public boolean acceptTask(SparseArray<Task> taskIdMap, Task t, int index); 55303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung} 56303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung 57303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung/** 58303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung * A list of filtered tasks. 59303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung */ 60303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chungclass FilteredTaskList { 61eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson 62eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson private static final String TAG = "FilteredTaskList"; 638b1871d74137d7e36ba0fed5608772f51f62015bWinson private static final boolean DEBUG = false; 64eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson 65eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson ArrayList<Task> mTasks = new ArrayList<>(); 66eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson ArrayList<Task> mFilteredTasks = new ArrayList<>(); 67eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson HashMap<Task.TaskKey, Integer> mTaskIndices = new HashMap<>(); 68303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung TaskFilter mFilter; 69303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung 70303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung /** Sets the task filter, saving the current touch state */ 71c6a1623cc48581380b698ae87b43bfafb9c935baWinson Chung boolean setFilter(TaskFilter filter) { 72c6a1623cc48581380b698ae87b43bfafb9c935baWinson Chung ArrayList<Task> prevFilteredTasks = new ArrayList<Task>(mFilteredTasks); 73303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung mFilter = filter; 74303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung updateFilteredTasks(); 75b44c24fb50845dfbc1f49e78085cf5e01a32067fWinson Chung if (!prevFilteredTasks.equals(mFilteredTasks)) { 76b44c24fb50845dfbc1f49e78085cf5e01a32067fWinson Chung return true; 77b44c24fb50845dfbc1f49e78085cf5e01a32067fWinson Chung } else { 78b44c24fb50845dfbc1f49e78085cf5e01a32067fWinson Chung return false; 79b44c24fb50845dfbc1f49e78085cf5e01a32067fWinson Chung } 80303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung } 81303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung 828f0e3a68cdd3b2403ff8a1677f90b998f4175f40Winson /** 838f0e3a68cdd3b2403ff8a1677f90b998f4175f40Winson * Resets the task list, but does not remove the filter. 848f0e3a68cdd3b2403ff8a1677f90b998f4175f40Winson */ 85bc571a980704dc767838935e83c6aed231c406e9Winson Chung void reset() { 86bc571a980704dc767838935e83c6aed231c406e9Winson Chung mTasks.clear(); 87bc571a980704dc767838935e83c6aed231c406e9Winson Chung mFilteredTasks.clear(); 88bc571a980704dc767838935e83c6aed231c406e9Winson Chung mTaskIndices.clear(); 89bc571a980704dc767838935e83c6aed231c406e9Winson Chung } 90bc571a980704dc767838935e83c6aed231c406e9Winson Chung 91303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung /** Removes the task filter and returns the previous touch state */ 92303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung void removeFilter() { 93303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung mFilter = null; 94303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung updateFilteredTasks(); 95303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung } 96303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung 97303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung /** Adds a new task to the task list */ 98303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung void add(Task t) { 99303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung mTasks.add(t); 100303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung updateFilteredTasks(); 101303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung } 102303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung 103eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson /** 104eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson * Moves the given task. 105eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson */ 106eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson public void moveTaskToStack(Task task, int insertIndex, int newStackId) { 107eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson int taskIndex = indexOf(task); 108eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson if (taskIndex != insertIndex) { 109eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson mTasks.remove(taskIndex); 110eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson if (taskIndex < insertIndex) { 111eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson insertIndex--; 112eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson } 113eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson mTasks.add(insertIndex, task); 114eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson } 115eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson 116eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson // Update the stack id now, after we've moved the task, and before we update the 117eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson // filtered tasks 118eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson task.setStackId(newStackId); 119eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson updateFilteredTasks(); 120eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson } 121eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson 122303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung /** Sets the list of tasks */ 123303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung void set(List<Task> tasks) { 124303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung mTasks.clear(); 125303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung mTasks.addAll(tasks); 126303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung updateFilteredTasks(); 127303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung } 128303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung 129303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung /** Removes a task from the base list only if it is in the filtered list */ 130303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung boolean remove(Task t) { 131303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung if (mFilteredTasks.contains(t)) { 132303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung boolean removed = mTasks.remove(t); 133303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung updateFilteredTasks(); 134303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung return removed; 135303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung } 136303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung return false; 137303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung } 138303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung 139303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung /** Returns the index of this task in the list of filtered tasks */ 140303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung int indexOf(Task t) { 14123746d51d922d3df2cdd2635d0c133366c754438Winson if (t != null && mTaskIndices.containsKey(t.key)) { 142a4ccb86ddc8f9f486aee25fb836f4aff97bf7679Winson Chung return mTaskIndices.get(t.key); 143a4ccb86ddc8f9f486aee25fb836f4aff97bf7679Winson Chung } 144a4ccb86ddc8f9f486aee25fb836f4aff97bf7679Winson Chung return -1; 145303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung } 146303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung 147303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung /** Returns the size of the list of filtered tasks */ 148303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung int size() { 149303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung return mFilteredTasks.size(); 150303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung } 151303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung 152303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung /** Returns whether the filtered list contains this task */ 153303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung boolean contains(Task t) { 154ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung return mTaskIndices.containsKey(t.key); 155303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung } 156303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung 157303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung /** Updates the list of filtered tasks whenever the base task list changes */ 158303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung private void updateFilteredTasks() { 159303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung mFilteredTasks.clear(); 160303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung if (mFilter != null) { 1612b9ef6548be89d36ea7629f4a3d8ba7bba1422ceWinson Chung // Create a sparse array from task id to Task 1622b9ef6548be89d36ea7629f4a3d8ba7bba1422ceWinson Chung SparseArray<Task> taskIdMap = new SparseArray<>(); 163303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung int taskCount = mTasks.size(); 164303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung for (int i = 0; i < taskCount; i++) { 165303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung Task t = mTasks.get(i); 1662b9ef6548be89d36ea7629f4a3d8ba7bba1422ceWinson Chung taskIdMap.put(t.key.id, t); 1672b9ef6548be89d36ea7629f4a3d8ba7bba1422ceWinson Chung } 1682b9ef6548be89d36ea7629f4a3d8ba7bba1422ceWinson Chung 1692b9ef6548be89d36ea7629f4a3d8ba7bba1422ceWinson Chung for (int i = 0; i < taskCount; i++) { 1702b9ef6548be89d36ea7629f4a3d8ba7bba1422ceWinson Chung Task t = mTasks.get(i); 1712b9ef6548be89d36ea7629f4a3d8ba7bba1422ceWinson Chung if (mFilter.acceptTask(taskIdMap, t, i)) { 172303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung mFilteredTasks.add(t); 173303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung } 174303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung } 175303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung } else { 176303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung mFilteredTasks.addAll(mTasks); 177303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung } 178ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung updateFilteredTaskIndices(); 179ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung } 180ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung 181ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung /** Updates the mapping of tasks to indices. */ 182ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung private void updateFilteredTaskIndices() { 183ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung mTaskIndices.clear(); 184ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung int taskCount = mFilteredTasks.size(); 185ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung for (int i = 0; i < taskCount; i++) { 186ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung Task t = mFilteredTasks.get(i); 187ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung mTaskIndices.put(t.key, i); 188ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung } 189303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung } 190303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung 191303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung /** Returns whether this task list is filtered */ 192303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung boolean hasFilter() { 193303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung return (mFilter != null); 194303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung } 195303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung 196303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung /** Returns the list of filtered tasks */ 197303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung ArrayList<Task> getTasks() { 198303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung return mFilteredTasks; 199303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung } 200303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung} 201303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung 202303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung/** 203303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung * The task stack contains a list of multiple tasks. 204303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung */ 205303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chungpublic class TaskStack { 206ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung 207ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung /** Task stack callbacks */ 20804dfe0d26b944324ee920001f40d74cff47281d6Winson Chung public interface TaskStackCallbacks { 20904dfe0d26b944324ee920001f40d74cff47281d6Winson Chung /* Notifies when a task has been removed from the stack */ 210aaf33bc2b27fa0c4b59484059434a0fad3187af4Winson void onStackTaskRemoved(TaskStack stack, Task removedTask, boolean wasFrontMostTask, 211aaf33bc2b27fa0c4b59484059434a0fad3187af4Winson Task newFrontMostTask); 212a0731a1a2611d5a89c5960fe39a7ff09cc8fd5eaWinson 213a0731a1a2611d5a89c5960fe39a7ff09cc8fd5eaWinson /* Notifies when a task has been removed from the history */ 214a0731a1a2611d5a89c5960fe39a7ff09cc8fd5eaWinson void onHistoryTaskRemoved(TaskStack stack, Task removedTask); 21504dfe0d26b944324ee920001f40d74cff47281d6Winson Chung } 21604dfe0d26b944324ee920001f40d74cff47281d6Winson Chung 217250608a5cd08862f4752a924d51710805850db8aWinson /** 218250608a5cd08862f4752a924d51710805850db8aWinson * The various possible dock states when dragging and dropping a task. 219250608a5cd08862f4752a924d51710805850db8aWinson */ 220f0d1c44a59a10707baa0cca8dd377302260710c1Winson public static class DockState implements DropTarget { 221f0d1c44a59a10707baa0cca8dd377302260710c1Winson 222f0d1c44a59a10707baa0cca8dd377302260710c1Winson private static final int DOCK_AREA_ALPHA = 192; 223f0d1c44a59a10707baa0cca8dd377302260710c1Winson public static final DockState NONE = new DockState(-1, 96, null, null); 224f0d1c44a59a10707baa0cca8dd377302260710c1Winson public static final DockState LEFT = new DockState( 225f0d1c44a59a10707baa0cca8dd377302260710c1Winson DOCKED_STACK_CREATE_MODE_TOP_OR_LEFT, DOCK_AREA_ALPHA, 226f0d1c44a59a10707baa0cca8dd377302260710c1Winson new RectF(0, 0, 0.25f, 1), new RectF(0, 0, 0.25f, 1)); 227f0d1c44a59a10707baa0cca8dd377302260710c1Winson public static final DockState TOP = new DockState( 228f0d1c44a59a10707baa0cca8dd377302260710c1Winson DOCKED_STACK_CREATE_MODE_TOP_OR_LEFT, DOCK_AREA_ALPHA, 229f0d1c44a59a10707baa0cca8dd377302260710c1Winson new RectF(0, 0, 1, 0.25f), new RectF(0, 0, 1, 0.25f)); 230f0d1c44a59a10707baa0cca8dd377302260710c1Winson public static final DockState RIGHT = new DockState( 231f0d1c44a59a10707baa0cca8dd377302260710c1Winson DOCKED_STACK_CREATE_MODE_BOTTOM_OR_RIGHT, DOCK_AREA_ALPHA, 232f0d1c44a59a10707baa0cca8dd377302260710c1Winson new RectF(0.75f, 0, 1, 1), new RectF(0.75f, 0, 1, 1)); 233f0d1c44a59a10707baa0cca8dd377302260710c1Winson public static final DockState BOTTOM = new DockState( 234f0d1c44a59a10707baa0cca8dd377302260710c1Winson DOCKED_STACK_CREATE_MODE_BOTTOM_OR_RIGHT, DOCK_AREA_ALPHA, 235eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson new RectF(0, 0.75f, 1, 1), new RectF(0, 0.75f, 1, 1)); 236eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson 237eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson @Override 238eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson public boolean acceptsDrop(int x, int y, int width, int height) { 239eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson return touchAreaContainsPoint(width, height, x, y); 240eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson } 241be7607af8875236b9cf7bdb5f5aa089c207529afWinson 242882072baacaee4ecd43f0209b691a9af746462f2Winson // Represents the view state of this dock state 243882072baacaee4ecd43f0209b691a9af746462f2Winson public class ViewState { 244882072baacaee4ecd43f0209b691a9af746462f2Winson public final int dockAreaAlpha; 245882072baacaee4ecd43f0209b691a9af746462f2Winson public final ColorDrawable dockAreaOverlay; 246882072baacaee4ecd43f0209b691a9af746462f2Winson private ObjectAnimator dockAreaOverlayAnimator; 247882072baacaee4ecd43f0209b691a9af746462f2Winson 248882072baacaee4ecd43f0209b691a9af746462f2Winson private ViewState(int alpha) { 249882072baacaee4ecd43f0209b691a9af746462f2Winson dockAreaAlpha = alpha; 250882072baacaee4ecd43f0209b691a9af746462f2Winson dockAreaOverlay = new ColorDrawable(0xFFffffff); 251882072baacaee4ecd43f0209b691a9af746462f2Winson dockAreaOverlay.setAlpha(0); 252882072baacaee4ecd43f0209b691a9af746462f2Winson } 253882072baacaee4ecd43f0209b691a9af746462f2Winson 254882072baacaee4ecd43f0209b691a9af746462f2Winson /** 255882072baacaee4ecd43f0209b691a9af746462f2Winson * Creates a new alpha animation. 256882072baacaee4ecd43f0209b691a9af746462f2Winson */ 257882072baacaee4ecd43f0209b691a9af746462f2Winson public void startAlphaAnimation(int alpha, int duration) { 258882072baacaee4ecd43f0209b691a9af746462f2Winson if (dockAreaOverlay.getAlpha() != alpha) { 259882072baacaee4ecd43f0209b691a9af746462f2Winson if (dockAreaOverlayAnimator != null) { 260882072baacaee4ecd43f0209b691a9af746462f2Winson dockAreaOverlayAnimator.cancel(); 261882072baacaee4ecd43f0209b691a9af746462f2Winson } 262882072baacaee4ecd43f0209b691a9af746462f2Winson dockAreaOverlayAnimator = ObjectAnimator.ofInt(dockAreaOverlay, "alpha", alpha); 263882072baacaee4ecd43f0209b691a9af746462f2Winson dockAreaOverlayAnimator.setDuration(duration); 264882072baacaee4ecd43f0209b691a9af746462f2Winson dockAreaOverlayAnimator.start(); 265882072baacaee4ecd43f0209b691a9af746462f2Winson } 266882072baacaee4ecd43f0209b691a9af746462f2Winson } 267882072baacaee4ecd43f0209b691a9af746462f2Winson } 268882072baacaee4ecd43f0209b691a9af746462f2Winson 269be7607af8875236b9cf7bdb5f5aa089c207529afWinson public final int createMode; 270882072baacaee4ecd43f0209b691a9af746462f2Winson public final ViewState viewState; 271be7607af8875236b9cf7bdb5f5aa089c207529afWinson private final RectF dockArea; 272882072baacaee4ecd43f0209b691a9af746462f2Winson private final RectF touchArea; 273be7607af8875236b9cf7bdb5f5aa089c207529afWinson 274be7607af8875236b9cf7bdb5f5aa089c207529afWinson /** 275be7607af8875236b9cf7bdb5f5aa089c207529afWinson * @param createMode used to pass to ActivityManager to dock the task 276be7607af8875236b9cf7bdb5f5aa089c207529afWinson * @param touchArea the area in which touch will initiate this dock state 277eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson * @param dockArea the visible dock area 278be7607af8875236b9cf7bdb5f5aa089c207529afWinson */ 279eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson DockState(int createMode, int dockAreaAlpha, RectF touchArea, RectF dockArea) { 280be7607af8875236b9cf7bdb5f5aa089c207529afWinson this.createMode = createMode; 281882072baacaee4ecd43f0209b691a9af746462f2Winson this.viewState = new ViewState(dockAreaAlpha); 282be7607af8875236b9cf7bdb5f5aa089c207529afWinson this.dockArea = dockArea; 283882072baacaee4ecd43f0209b691a9af746462f2Winson this.touchArea = touchArea; 284be7607af8875236b9cf7bdb5f5aa089c207529afWinson } 285be7607af8875236b9cf7bdb5f5aa089c207529afWinson 286be7607af8875236b9cf7bdb5f5aa089c207529afWinson /** 287be7607af8875236b9cf7bdb5f5aa089c207529afWinson * Returns whether {@param x} and {@param y} are contained in the touch area scaled to the 288be7607af8875236b9cf7bdb5f5aa089c207529afWinson * given {@param width} and {@param height}. 289be7607af8875236b9cf7bdb5f5aa089c207529afWinson */ 290be7607af8875236b9cf7bdb5f5aa089c207529afWinson public boolean touchAreaContainsPoint(int width, int height, float x, float y) { 291be7607af8875236b9cf7bdb5f5aa089c207529afWinson int left = (int) (touchArea.left * width); 292be7607af8875236b9cf7bdb5f5aa089c207529afWinson int top = (int) (touchArea.top * height); 293be7607af8875236b9cf7bdb5f5aa089c207529afWinson int right = (int) (touchArea.right * width); 294be7607af8875236b9cf7bdb5f5aa089c207529afWinson int bottom = (int) (touchArea.bottom * height); 295be7607af8875236b9cf7bdb5f5aa089c207529afWinson return x >= left && y >= top && x <= right && y <= bottom; 296be7607af8875236b9cf7bdb5f5aa089c207529afWinson } 297be7607af8875236b9cf7bdb5f5aa089c207529afWinson 298be7607af8875236b9cf7bdb5f5aa089c207529afWinson /** 299be7607af8875236b9cf7bdb5f5aa089c207529afWinson * Returns the docked task bounds with the given {@param width} and {@param height}. 300be7607af8875236b9cf7bdb5f5aa089c207529afWinson */ 301be7607af8875236b9cf7bdb5f5aa089c207529afWinson public Rect getDockedBounds(int width, int height) { 302be7607af8875236b9cf7bdb5f5aa089c207529afWinson return new Rect((int) (dockArea.left * width), (int) (dockArea.top * height), 303be7607af8875236b9cf7bdb5f5aa089c207529afWinson (int) (dockArea.right * width), (int) (dockArea.bottom * height)); 304be7607af8875236b9cf7bdb5f5aa089c207529afWinson } 305be7607af8875236b9cf7bdb5f5aa089c207529afWinson } 306be7607af8875236b9cf7bdb5f5aa089c207529afWinson 307250608a5cd08862f4752a924d51710805850db8aWinson // A comparator that sorts tasks by their last active time 308250608a5cd08862f4752a924d51710805850db8aWinson private Comparator<Task> LAST_ACTIVE_TIME_COMPARATOR = new Comparator<Task>() { 309250608a5cd08862f4752a924d51710805850db8aWinson @Override 310250608a5cd08862f4752a924d51710805850db8aWinson public int compare(Task o1, Task o2) { 311250608a5cd08862f4752a924d51710805850db8aWinson return Long.compare(o1.key.lastActiveTime, o2.key.lastActiveTime); 312250608a5cd08862f4752a924d51710805850db8aWinson } 313250608a5cd08862f4752a924d51710805850db8aWinson }; 314250608a5cd08862f4752a924d51710805850db8aWinson 315083baf99ff1228e96ede96aac88c8200c4fdc2b2Winson Chung // The task offset to apply to a task id as a group affiliation 316083baf99ff1228e96ede96aac88c8200c4fdc2b2Winson Chung static final int IndividualTaskIdOffset = 1 << 16; 317083baf99ff1228e96ede96aac88c8200c4fdc2b2Winson Chung 318250608a5cd08862f4752a924d51710805850db8aWinson FilteredTaskList mStackTaskList = new FilteredTaskList(); 319250608a5cd08862f4752a924d51710805850db8aWinson FilteredTaskList mHistoryTaskList = new FilteredTaskList(); 320303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung TaskStackCallbacks mCb; 321303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung 3228f0e3a68cdd3b2403ff8a1677f90b998f4175f40Winson ArrayList<TaskGrouping> mGroups = new ArrayList<>(); 3238f0e3a68cdd3b2403ff8a1677f90b998f4175f40Winson HashMap<Integer, TaskGrouping> mAffinitiesGroups = new HashMap<>(); 3248f0e3a68cdd3b2403ff8a1677f90b998f4175f40Winson 3258f0e3a68cdd3b2403ff8a1677f90b998f4175f40Winson public TaskStack() { 3268f0e3a68cdd3b2403ff8a1677f90b998f4175f40Winson // Ensure that we only show non-docked tasks 327250608a5cd08862f4752a924d51710805850db8aWinson mStackTaskList.setFilter(new TaskFilter() { 3288f0e3a68cdd3b2403ff8a1677f90b998f4175f40Winson @Override 3292b9ef6548be89d36ea7629f4a3d8ba7bba1422ceWinson Chung public boolean acceptTask(SparseArray<Task> taskIdMap, Task t, int index) { 3302b9ef6548be89d36ea7629f4a3d8ba7bba1422ceWinson Chung if (t.isAffiliatedTask()) { 3312b9ef6548be89d36ea7629f4a3d8ba7bba1422ceWinson Chung // If this task is affiliated with another parent in the stack, then the historical state of this 3322b9ef6548be89d36ea7629f4a3d8ba7bba1422ceWinson Chung // task depends on the state of the parent task 3332b9ef6548be89d36ea7629f4a3d8ba7bba1422ceWinson Chung Task parentTask = taskIdMap.get(t.taskAffiliationId); 3342b9ef6548be89d36ea7629f4a3d8ba7bba1422ceWinson Chung if (parentTask != null) { 3352b9ef6548be89d36ea7629f4a3d8ba7bba1422ceWinson Chung t = parentTask; 3362b9ef6548be89d36ea7629f4a3d8ba7bba1422ceWinson Chung } 3372b9ef6548be89d36ea7629f4a3d8ba7bba1422ceWinson Chung } 338250608a5cd08862f4752a924d51710805850db8aWinson return !t.isHistorical && !SystemServicesProxy.isDockedStack(t.key.stackId); 339250608a5cd08862f4752a924d51710805850db8aWinson } 340250608a5cd08862f4752a924d51710805850db8aWinson }); 341250608a5cd08862f4752a924d51710805850db8aWinson mHistoryTaskList.setFilter(new TaskFilter() { 342250608a5cd08862f4752a924d51710805850db8aWinson @Override 3432b9ef6548be89d36ea7629f4a3d8ba7bba1422ceWinson Chung public boolean acceptTask(SparseArray<Task> taskIdMap, Task t, int index) { 3442b9ef6548be89d36ea7629f4a3d8ba7bba1422ceWinson Chung if (t.isAffiliatedTask()) { 3452b9ef6548be89d36ea7629f4a3d8ba7bba1422ceWinson Chung // If this task is affiliated with another parent in the stack, then the historical state of this 3462b9ef6548be89d36ea7629f4a3d8ba7bba1422ceWinson Chung // task depends on the state of the parent task 3472b9ef6548be89d36ea7629f4a3d8ba7bba1422ceWinson Chung Task parentTask = taskIdMap.get(t.taskAffiliationId); 3482b9ef6548be89d36ea7629f4a3d8ba7bba1422ceWinson Chung if (parentTask != null) { 3492b9ef6548be89d36ea7629f4a3d8ba7bba1422ceWinson Chung t = parentTask; 3502b9ef6548be89d36ea7629f4a3d8ba7bba1422ceWinson Chung } 3512b9ef6548be89d36ea7629f4a3d8ba7bba1422ceWinson Chung } 352250608a5cd08862f4752a924d51710805850db8aWinson return t.isHistorical && !SystemServicesProxy.isDockedStack(t.key.stackId); 3538f0e3a68cdd3b2403ff8a1677f90b998f4175f40Winson } 3548f0e3a68cdd3b2403ff8a1677f90b998f4175f40Winson }); 3558f0e3a68cdd3b2403ff8a1677f90b998f4175f40Winson } 356303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung 357d16c565a607de754379fe699a4def21bd0e3de2fWinson Chung /** Sets the callbacks for this task stack. */ 358303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung public void setCallbacks(TaskStackCallbacks cb) { 359303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung mCb = cb; 360303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung } 361303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung 362bc571a980704dc767838935e83c6aed231c406e9Winson Chung /** Resets this TaskStack. */ 363bc571a980704dc767838935e83c6aed231c406e9Winson Chung public void reset() { 364bc571a980704dc767838935e83c6aed231c406e9Winson Chung mCb = null; 365250608a5cd08862f4752a924d51710805850db8aWinson mStackTaskList.reset(); 366250608a5cd08862f4752a924d51710805850db8aWinson mHistoryTaskList.reset(); 367bc571a980704dc767838935e83c6aed231c406e9Winson Chung mGroups.clear(); 368bc571a980704dc767838935e83c6aed231c406e9Winson Chung mAffinitiesGroups.clear(); 369bc571a980704dc767838935e83c6aed231c406e9Winson Chung } 370bc571a980704dc767838935e83c6aed231c406e9Winson Chung 371eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson /** 372eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson * Moves the given task to either the front of the freeform workspace or the stack. 373eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson */ 374eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson public void moveTaskToStack(Task task, int newStackId) { 375eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson // Find the index to insert into 376250608a5cd08862f4752a924d51710805850db8aWinson ArrayList<Task> taskList = mStackTaskList.getTasks(); 377eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson int taskCount = taskList.size(); 378eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson if (!task.isFreeformTask() && (newStackId == FREEFORM_WORKSPACE_STACK_ID)) { 379eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson // Insert freeform tasks at the front 380250608a5cd08862f4752a924d51710805850db8aWinson mStackTaskList.moveTaskToStack(task, taskCount, newStackId); 381eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson } else if (task.isFreeformTask() && (newStackId == FULLSCREEN_WORKSPACE_STACK_ID)) { 382eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson // Insert after the first stacked task 383eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson int insertIndex = 0; 384eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson for (int i = taskCount - 1; i >= 0; i--) { 385eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson if (!taskList.get(i).isFreeformTask()) { 386eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson insertIndex = i + 1; 387eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson break; 388eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson } 389eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson } 390250608a5cd08862f4752a924d51710805850db8aWinson mStackTaskList.moveTaskToStack(task, insertIndex, newStackId); 391eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson } 392eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson } 393eca4ab6e99bcb2a7b31b8b4b1c3b5474297b6b25Winson 3946ac8bd6198f67b64aea2258bdb5f8ed371b5bec1Winson Chung /** Does the actual work associated with removing the task. */ 395250608a5cd08862f4752a924d51710805850db8aWinson void removeTaskImpl(FilteredTaskList taskList, Task t) { 3966ac8bd6198f67b64aea2258bdb5f8ed371b5bec1Winson Chung // Remove the task from the list 397250608a5cd08862f4752a924d51710805850db8aWinson taskList.remove(t); 3986ac8bd6198f67b64aea2258bdb5f8ed371b5bec1Winson Chung // Remove it from the group as well, and if it is empty, remove the group 3996ac8bd6198f67b64aea2258bdb5f8ed371b5bec1Winson Chung TaskGrouping group = t.group; 4006ac8bd6198f67b64aea2258bdb5f8ed371b5bec1Winson Chung group.removeTask(t); 4016ac8bd6198f67b64aea2258bdb5f8ed371b5bec1Winson Chung if (group.getTaskCount() == 0) { 4026ac8bd6198f67b64aea2258bdb5f8ed371b5bec1Winson Chung removeGroup(group); 4036ac8bd6198f67b64aea2258bdb5f8ed371b5bec1Winson Chung } 4046ac8bd6198f67b64aea2258bdb5f8ed371b5bec1Winson Chung // Update the lock-to-app state 4056ac8bd6198f67b64aea2258bdb5f8ed371b5bec1Winson Chung t.lockToThisTask = false; 4066ac8bd6198f67b64aea2258bdb5f8ed371b5bec1Winson Chung } 4076ac8bd6198f67b64aea2258bdb5f8ed371b5bec1Winson Chung 408303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung /** Removes a task */ 409303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung public void removeTask(Task t) { 410250608a5cd08862f4752a924d51710805850db8aWinson if (mStackTaskList.contains(t)) { 411250608a5cd08862f4752a924d51710805850db8aWinson boolean wasFrontMostTask = (getStackFrontMostTask() == t); 412a0731a1a2611d5a89c5960fe39a7ff09cc8fd5eaWinson int removedTaskIndex = indexOfStackTask(t); 413250608a5cd08862f4752a924d51710805850db8aWinson removeTaskImpl(mStackTaskList, t); 414250608a5cd08862f4752a924d51710805850db8aWinson Task newFrontMostTask = getStackFrontMostTask(); 41556e09b42a0f1670970872bef611a8036904ad6bfJason Monk if (newFrontMostTask != null && newFrontMostTask.lockToTaskEnabled) { 41656e09b42a0f1670970872bef611a8036904ad6bfJason Monk newFrontMostTask.lockToThisTask = true; 4171f24c7e37bc794057a156a730c7e4b53b01212edWinson Chung } 418303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung if (mCb != null) { 419ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung // Notify that a task has been removed 420aaf33bc2b27fa0c4b59484059434a0fad3187af4Winson mCb.onStackTaskRemoved(this, t, wasFrontMostTask, newFrontMostTask); 421303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung } 422250608a5cd08862f4752a924d51710805850db8aWinson } else if (mHistoryTaskList.contains(t)) { 423250608a5cd08862f4752a924d51710805850db8aWinson removeTaskImpl(mHistoryTaskList, t); 424303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung if (mCb != null) { 425ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung // Notify that a task has been removed 426a0731a1a2611d5a89c5960fe39a7ff09cc8fd5eaWinson mCb.onHistoryTaskRemoved(this, t); 427303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung } 428303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung } 429250608a5cd08862f4752a924d51710805850db8aWinson } 430250608a5cd08862f4752a924d51710805850db8aWinson 431250608a5cd08862f4752a924d51710805850db8aWinson /** 432250608a5cd08862f4752a924d51710805850db8aWinson * Sets a few tasks in one go, without calling any callbacks. 433250608a5cd08862f4752a924d51710805850db8aWinson */ 434250608a5cd08862f4752a924d51710805850db8aWinson public void setTasks(List<Task> tasks) { 435250608a5cd08862f4752a924d51710805850db8aWinson ArrayList<Task> stackTasks = new ArrayList<>(); 436250608a5cd08862f4752a924d51710805850db8aWinson ArrayList<Task> historyTasks = new ArrayList<>(); 437250608a5cd08862f4752a924d51710805850db8aWinson for (Task task : tasks) { 438250608a5cd08862f4752a924d51710805850db8aWinson if (task.isHistorical) { 439250608a5cd08862f4752a924d51710805850db8aWinson historyTasks.add(task); 440250608a5cd08862f4752a924d51710805850db8aWinson } else { 441250608a5cd08862f4752a924d51710805850db8aWinson stackTasks.add(task); 442303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung } 443303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung } 444250608a5cd08862f4752a924d51710805850db8aWinson mStackTaskList.set(stackTasks); 445250608a5cd08862f4752a924d51710805850db8aWinson mHistoryTaskList.set(historyTasks); 446303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung } 447303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung 448ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung /** Gets the front task */ 449250608a5cd08862f4752a924d51710805850db8aWinson public Task getStackFrontMostTask() { 450250608a5cd08862f4752a924d51710805850db8aWinson if (mStackTaskList.size() == 0) return null; 451250608a5cd08862f4752a924d51710805850db8aWinson return mStackTaskList.getTasks().get(mStackTaskList.size() - 1); 452ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung } 453ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung 45404400672962d2e12132f9465928cbf7615c147c4Winson Chung /** Gets the task keys */ 45504400672962d2e12132f9465928cbf7615c147c4Winson Chung public ArrayList<Task.TaskKey> getTaskKeys() { 4568f0e3a68cdd3b2403ff8a1677f90b998f4175f40Winson ArrayList<Task.TaskKey> taskKeys = new ArrayList<>(); 457250608a5cd08862f4752a924d51710805850db8aWinson ArrayList<Task> tasks = computeAllTasksList(); 45804400672962d2e12132f9465928cbf7615c147c4Winson Chung int taskCount = tasks.size(); 45904400672962d2e12132f9465928cbf7615c147c4Winson Chung for (int i = 0; i < taskCount; i++) { 460250608a5cd08862f4752a924d51710805850db8aWinson Task task = tasks.get(i); 461250608a5cd08862f4752a924d51710805850db8aWinson taskKeys.add(task.key); 46204400672962d2e12132f9465928cbf7615c147c4Winson Chung } 46304400672962d2e12132f9465928cbf7615c147c4Winson Chung return taskKeys; 46404400672962d2e12132f9465928cbf7615c147c4Winson Chung } 46504400672962d2e12132f9465928cbf7615c147c4Winson Chung 466250608a5cd08862f4752a924d51710805850db8aWinson /** 467250608a5cd08862f4752a924d51710805850db8aWinson * Returns the set of "active" (non-historical) tasks in the stack that have been used recently. 468250608a5cd08862f4752a924d51710805850db8aWinson */ 469250608a5cd08862f4752a924d51710805850db8aWinson public ArrayList<Task> getStackTasks() { 470250608a5cd08862f4752a924d51710805850db8aWinson return mStackTaskList.getTasks(); 471250608a5cd08862f4752a924d51710805850db8aWinson } 472250608a5cd08862f4752a924d51710805850db8aWinson 473250608a5cd08862f4752a924d51710805850db8aWinson /** 474250608a5cd08862f4752a924d51710805850db8aWinson * Returns the set of tasks that are inactive. These tasks will be presented in a separate 475250608a5cd08862f4752a924d51710805850db8aWinson * history view. 476250608a5cd08862f4752a924d51710805850db8aWinson */ 477250608a5cd08862f4752a924d51710805850db8aWinson public ArrayList<Task> getHistoricalTasks() { 478250608a5cd08862f4752a924d51710805850db8aWinson return mHistoryTaskList.getTasks(); 479303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung } 480303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung 481250608a5cd08862f4752a924d51710805850db8aWinson /** 482250608a5cd08862f4752a924d51710805850db8aWinson * Computes a set of all the active and historical tasks ordered by their last active time. 483250608a5cd08862f4752a924d51710805850db8aWinson */ 484250608a5cd08862f4752a924d51710805850db8aWinson public ArrayList<Task> computeAllTasksList() { 485250608a5cd08862f4752a924d51710805850db8aWinson ArrayList<Task> tasks = new ArrayList<>(); 486250608a5cd08862f4752a924d51710805850db8aWinson tasks.addAll(mStackTaskList.getTasks()); 487250608a5cd08862f4752a924d51710805850db8aWinson tasks.addAll(mHistoryTaskList.getTasks()); 488250608a5cd08862f4752a924d51710805850db8aWinson Collections.sort(tasks, LAST_ACTIVE_TIME_COMPARATOR); 489250608a5cd08862f4752a924d51710805850db8aWinson return tasks; 490303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung } 491303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung 49236a5a2c7003ef8157f276b411c3fda47ad2f75e3Winson /** 493250608a5cd08862f4752a924d51710805850db8aWinson * Returns the number of tasks in the active stack. 494250608a5cd08862f4752a924d51710805850db8aWinson */ 495250608a5cd08862f4752a924d51710805850db8aWinson public int getStackTaskCount() { 496250608a5cd08862f4752a924d51710805850db8aWinson return mStackTaskList.size(); 497250608a5cd08862f4752a924d51710805850db8aWinson } 498250608a5cd08862f4752a924d51710805850db8aWinson 499250608a5cd08862f4752a924d51710805850db8aWinson /** 500f0d1c44a59a10707baa0cca8dd377302260710c1Winson * Returns the number of freeform tasks in the active stack. 501f0d1c44a59a10707baa0cca8dd377302260710c1Winson */ 502f0d1c44a59a10707baa0cca8dd377302260710c1Winson public int getStackTaskFreeformCount() { 503f0d1c44a59a10707baa0cca8dd377302260710c1Winson ArrayList<Task> tasks = mStackTaskList.getTasks(); 504f0d1c44a59a10707baa0cca8dd377302260710c1Winson int freeformCount = 0; 505f0d1c44a59a10707baa0cca8dd377302260710c1Winson int taskCount = tasks.size(); 506f0d1c44a59a10707baa0cca8dd377302260710c1Winson for (int i = 0; i < taskCount; i++) { 507f0d1c44a59a10707baa0cca8dd377302260710c1Winson Task task = tasks.get(i); 508f0d1c44a59a10707baa0cca8dd377302260710c1Winson if (task.isFreeformTask()) { 509f0d1c44a59a10707baa0cca8dd377302260710c1Winson freeformCount++; 510f0d1c44a59a10707baa0cca8dd377302260710c1Winson } 511f0d1c44a59a10707baa0cca8dd377302260710c1Winson } 512f0d1c44a59a10707baa0cca8dd377302260710c1Winson return freeformCount; 513f0d1c44a59a10707baa0cca8dd377302260710c1Winson } 514f0d1c44a59a10707baa0cca8dd377302260710c1Winson 515f0d1c44a59a10707baa0cca8dd377302260710c1Winson /** 516250608a5cd08862f4752a924d51710805850db8aWinson * Returns the task in stack tasks which is the launch target. 51736a5a2c7003ef8157f276b411c3fda47ad2f75e3Winson */ 51836a5a2c7003ef8157f276b411c3fda47ad2f75e3Winson public Task getLaunchTarget() { 519250608a5cd08862f4752a924d51710805850db8aWinson ArrayList<Task> tasks = mStackTaskList.getTasks(); 52036a5a2c7003ef8157f276b411c3fda47ad2f75e3Winson int taskCount = tasks.size(); 52136a5a2c7003ef8157f276b411c3fda47ad2f75e3Winson for (int i = 0; i < taskCount; i++) { 52236a5a2c7003ef8157f276b411c3fda47ad2f75e3Winson Task task = tasks.get(i); 52336a5a2c7003ef8157f276b411c3fda47ad2f75e3Winson if (task.isLaunchTarget) { 52436a5a2c7003ef8157f276b411c3fda47ad2f75e3Winson return task; 52536a5a2c7003ef8157f276b411c3fda47ad2f75e3Winson } 52636a5a2c7003ef8157f276b411c3fda47ad2f75e3Winson } 52736a5a2c7003ef8157f276b411c3fda47ad2f75e3Winson return null; 52836a5a2c7003ef8157f276b411c3fda47ad2f75e3Winson } 52936a5a2c7003ef8157f276b411c3fda47ad2f75e3Winson 530303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung /** Returns the index of this task in this current task stack */ 531250608a5cd08862f4752a924d51710805850db8aWinson public int indexOfStackTask(Task t) { 532250608a5cd08862f4752a924d51710805850db8aWinson return mStackTaskList.indexOf(t); 533303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung } 534303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung 535b1f749906f5c27114d02ea0c3f8ce0dcea08fd3fWinson Chung /** Finds the task with the specified task id. */ 536b1f749906f5c27114d02ea0c3f8ce0dcea08fd3fWinson Chung public Task findTaskWithId(int taskId) { 537250608a5cd08862f4752a924d51710805850db8aWinson ArrayList<Task> tasks = computeAllTasksList(); 538250608a5cd08862f4752a924d51710805850db8aWinson for (Task task : tasks) { 539b1f749906f5c27114d02ea0c3f8ce0dcea08fd3fWinson Chung if (task.key.id == taskId) { 540b1f749906f5c27114d02ea0c3f8ce0dcea08fd3fWinson Chung return task; 541b1f749906f5c27114d02ea0c3f8ce0dcea08fd3fWinson Chung } 542b1f749906f5c27114d02ea0c3f8ce0dcea08fd3fWinson Chung } 543b1f749906f5c27114d02ea0c3f8ce0dcea08fd3fWinson Chung return null; 544b1f749906f5c27114d02ea0c3f8ce0dcea08fd3fWinson Chung } 545b1f749906f5c27114d02ea0c3f8ce0dcea08fd3fWinson Chung 546ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung /******** Grouping ********/ 547ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung 548ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung /** Adds a group to the set */ 549ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung public void addGroup(TaskGrouping group) { 550ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung mGroups.add(group); 551ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung mAffinitiesGroups.put(group.affiliation, group); 552ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung } 553ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung 554ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung public void removeGroup(TaskGrouping group) { 555ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung mGroups.remove(group); 556ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung mAffinitiesGroups.remove(group.affiliation); 557ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung } 558ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung 559ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung /** Returns the group with the specified affiliation. */ 560083baf99ff1228e96ede96aac88c8200c4fdc2b2Winson Chung public TaskGrouping getGroupWithAffiliation(int affiliation) { 561ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung return mAffinitiesGroups.get(affiliation); 562ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung } 563ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung 564ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung /** 565ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung * Temporary: This method will simulate affiliation groups by 566ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung */ 56735f3050959e43bf378f9a0adcaef13729206c7e4Winson public void createAffiliatedGroupings(Context context) { 568c742f973b1e506732911c156c5869fd377afc5bfWinson if (RecentsDebugFlags.Static.EnableSimulatedTaskGroups) { 569ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung HashMap<Task.TaskKey, Task> taskMap = new HashMap<Task.TaskKey, Task>(); 570ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung // Sort all tasks by increasing firstActiveTime of the task 571250608a5cd08862f4752a924d51710805850db8aWinson ArrayList<Task> tasks = mStackTaskList.getTasks(); 572ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung Collections.sort(tasks, new Comparator<Task>() { 573ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung @Override 574ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung public int compare(Task task, Task task2) { 57516bc2a7f379edd7796bb5aa4400e1b7c14376a08Winson Chung return Long.compare(task.key.firstActiveTime, task2.key.firstActiveTime); 576ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung } 577ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung }); 578ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung // Create groups when sequential packages are the same 579ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung NamedCounter counter = new NamedCounter("task-group", ""); 580ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung int taskCount = tasks.size(); 581ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung String prevPackage = ""; 582083baf99ff1228e96ede96aac88c8200c4fdc2b2Winson Chung int prevAffiliation = -1; 583a433fa9c17772f563163ff7db177d091d6aebd5bWinson Chung Random r = new Random(); 584c742f973b1e506732911c156c5869fd377afc5bfWinson int groupCountDown = RecentsDebugFlags.Static.TaskAffiliationsGroupCount; 585ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung for (int i = 0; i < taskCount; i++) { 586ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung Task t = tasks.get(i); 587e7f138c7f0a190c86cec10fb32fa106aacae4093Winson String packageName = t.key.getComponent().getPackageName(); 588a433fa9c17772f563163ff7db177d091d6aebd5bWinson Chung packageName = "pkg"; 589ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung TaskGrouping group; 590a433fa9c17772f563163ff7db177d091d6aebd5bWinson Chung if (packageName.equals(prevPackage) && groupCountDown > 0) { 591ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung group = getGroupWithAffiliation(prevAffiliation); 592a433fa9c17772f563163ff7db177d091d6aebd5bWinson Chung groupCountDown--; 593ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung } else { 594083baf99ff1228e96ede96aac88c8200c4fdc2b2Winson Chung int affiliation = IndividualTaskIdOffset + t.key.id; 595ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung group = new TaskGrouping(affiliation); 596ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung addGroup(group); 597ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung prevAffiliation = affiliation; 598ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung prevPackage = packageName; 599c742f973b1e506732911c156c5869fd377afc5bfWinson groupCountDown = RecentsDebugFlags.Static.TaskAffiliationsGroupCount; 600ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung } 601ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung group.addTask(t); 602ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung taskMap.put(t.key, t); 603ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung } 604ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung // Sort groups by increasing latestActiveTime of the group 605ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung Collections.sort(mGroups, new Comparator<TaskGrouping>() { 606ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung @Override 607ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung public int compare(TaskGrouping taskGrouping, TaskGrouping taskGrouping2) { 608ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung return (int) (taskGrouping.latestActiveTimeInGroup - 609ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung taskGrouping2.latestActiveTimeInGroup); 610ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung } 611ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung }); 6122b9ef6548be89d36ea7629f4a3d8ba7bba1422ceWinson Chung // Sort group tasks by increasing firstActiveTime of the task, and also build a new list 6132b9ef6548be89d36ea7629f4a3d8ba7bba1422ceWinson Chung // of tasks 614ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung int taskIndex = 0; 615ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung int groupCount = mGroups.size(); 616ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung for (int i = 0; i < groupCount; i++) { 617ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung TaskGrouping group = mGroups.get(i); 618083baf99ff1228e96ede96aac88c8200c4fdc2b2Winson Chung Collections.sort(group.mTaskKeys, new Comparator<Task.TaskKey>() { 619ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung @Override 620ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung public int compare(Task.TaskKey taskKey, Task.TaskKey taskKey2) { 621ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung return (int) (taskKey.firstActiveTime - taskKey2.firstActiveTime); 622ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung } 623ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung }); 624083baf99ff1228e96ede96aac88c8200c4fdc2b2Winson Chung ArrayList<Task.TaskKey> groupTasks = group.mTaskKeys; 625ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung int groupTaskCount = groupTasks.size(); 626ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung for (int j = 0; j < groupTaskCount; j++) { 627ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung tasks.set(taskIndex, taskMap.get(groupTasks.get(j))); 628ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung taskIndex++; 629ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung } 630ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung } 631250608a5cd08862f4752a924d51710805850db8aWinson mStackTaskList.set(tasks); 632ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung } else { 633083baf99ff1228e96ede96aac88c8200c4fdc2b2Winson Chung // Create the task groups 6342b9ef6548be89d36ea7629f4a3d8ba7bba1422ceWinson Chung HashMap<Task.TaskKey, Task> tasksMap = new HashMap<>(); 635250608a5cd08862f4752a924d51710805850db8aWinson ArrayList<Task> tasks = mStackTaskList.getTasks(); 636ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung int taskCount = tasks.size(); 637ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung for (int i = 0; i < taskCount; i++) { 638ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung Task t = tasks.get(i); 639083baf99ff1228e96ede96aac88c8200c4fdc2b2Winson Chung TaskGrouping group; 6402b9ef6548be89d36ea7629f4a3d8ba7bba1422ceWinson Chung int affiliation = t.taskAffiliationId > 0 ? t.taskAffiliationId : 641083baf99ff1228e96ede96aac88c8200c4fdc2b2Winson Chung IndividualTaskIdOffset + t.key.id; 642083baf99ff1228e96ede96aac88c8200c4fdc2b2Winson Chung if (mAffinitiesGroups.containsKey(affiliation)) { 643083baf99ff1228e96ede96aac88c8200c4fdc2b2Winson Chung group = getGroupWithAffiliation(affiliation); 644083baf99ff1228e96ede96aac88c8200c4fdc2b2Winson Chung } else { 645083baf99ff1228e96ede96aac88c8200c4fdc2b2Winson Chung group = new TaskGrouping(affiliation); 646083baf99ff1228e96ede96aac88c8200c4fdc2b2Winson Chung addGroup(group); 647083baf99ff1228e96ede96aac88c8200c4fdc2b2Winson Chung } 648ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung group.addTask(t); 649ec396d6399c5c31d697d81e94aff459e9771b0c6Winson Chung tasksMap.put(t.key, t); 650ec396d6399c5c31d697d81e94aff459e9771b0c6Winson Chung } 651ec396d6399c5c31d697d81e94aff459e9771b0c6Winson Chung // Update the task colors for each of the groups 65235f3050959e43bf378f9a0adcaef13729206c7e4Winson float minAlpha = context.getResources().getFloat( 65335f3050959e43bf378f9a0adcaef13729206c7e4Winson R.dimen.recents_task_affiliation_color_min_alpha_percentage); 654ec396d6399c5c31d697d81e94aff459e9771b0c6Winson Chung int taskGroupCount = mGroups.size(); 655ec396d6399c5c31d697d81e94aff459e9771b0c6Winson Chung for (int i = 0; i < taskGroupCount; i++) { 656ec396d6399c5c31d697d81e94aff459e9771b0c6Winson Chung TaskGrouping group = mGroups.get(i); 657ec396d6399c5c31d697d81e94aff459e9771b0c6Winson Chung taskCount = group.getTaskCount(); 658ec396d6399c5c31d697d81e94aff459e9771b0c6Winson Chung // Ignore the groups that only have one task 659ec396d6399c5c31d697d81e94aff459e9771b0c6Winson Chung if (taskCount <= 1) continue; 660ec396d6399c5c31d697d81e94aff459e9771b0c6Winson Chung // Calculate the group color distribution 661ec396d6399c5c31d697d81e94aff459e9771b0c6Winson Chung int affiliationColor = tasksMap.get(group.mTaskKeys.get(0)).taskAffiliationColor; 662ec396d6399c5c31d697d81e94aff459e9771b0c6Winson Chung float alphaStep = (1f - minAlpha) / taskCount; 663ec396d6399c5c31d697d81e94aff459e9771b0c6Winson Chung float alpha = 1f; 664ec396d6399c5c31d697d81e94aff459e9771b0c6Winson Chung for (int j = 0; j < taskCount; j++) { 665ec396d6399c5c31d697d81e94aff459e9771b0c6Winson Chung Task t = tasksMap.get(group.mTaskKeys.get(j)); 666a0e88b5013d708ac6ed6518817d83c64c87ae4b1Winson Chung t.colorPrimary = Utilities.getColorWithOverlay(affiliationColor, Color.WHITE, 667a0e88b5013d708ac6ed6518817d83c64c87ae4b1Winson Chung alpha); 668ec396d6399c5c31d697d81e94aff459e9771b0c6Winson Chung alpha -= alphaStep; 669ec396d6399c5c31d697d81e94aff459e9771b0c6Winson Chung } 670ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung } 671ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung } 672ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung } 673ffa2ec664479bff6b4b61d4c349d9db2cb37ca16Winson Chung 674e7f138c7f0a190c86cec10fb32fa106aacae4093Winson /** 675e7f138c7f0a190c86cec10fb32fa106aacae4093Winson * Computes the components of tasks in this stack that have been removed as a result of a change 676e7f138c7f0a190c86cec10fb32fa106aacae4093Winson * in the specified package. 677e7f138c7f0a190c86cec10fb32fa106aacae4093Winson */ 678e7f138c7f0a190c86cec10fb32fa106aacae4093Winson public HashSet<ComponentName> computeComponentsRemoved(String packageName, int userId) { 679e7f138c7f0a190c86cec10fb32fa106aacae4093Winson // Identify all the tasks that should be removed as a result of the package being removed. 680e7f138c7f0a190c86cec10fb32fa106aacae4093Winson // Using a set to ensure that we callback once per unique component. 681e7f138c7f0a190c86cec10fb32fa106aacae4093Winson SystemServicesProxy ssp = Recents.getSystemServices(); 682e7f138c7f0a190c86cec10fb32fa106aacae4093Winson HashSet<ComponentName> existingComponents = new HashSet<>(); 683e7f138c7f0a190c86cec10fb32fa106aacae4093Winson HashSet<ComponentName> removedComponents = new HashSet<>(); 684e7f138c7f0a190c86cec10fb32fa106aacae4093Winson ArrayList<Task.TaskKey> taskKeys = getTaskKeys(); 685e7f138c7f0a190c86cec10fb32fa106aacae4093Winson for (Task.TaskKey t : taskKeys) { 686e7f138c7f0a190c86cec10fb32fa106aacae4093Winson // Skip if this doesn't apply to the current user 687e7f138c7f0a190c86cec10fb32fa106aacae4093Winson if (t.userId != userId) continue; 688e7f138c7f0a190c86cec10fb32fa106aacae4093Winson 689e7f138c7f0a190c86cec10fb32fa106aacae4093Winson ComponentName cn = t.getComponent(); 690e7f138c7f0a190c86cec10fb32fa106aacae4093Winson if (cn.getPackageName().equals(packageName)) { 691e7f138c7f0a190c86cec10fb32fa106aacae4093Winson if (existingComponents.contains(cn)) { 692e7f138c7f0a190c86cec10fb32fa106aacae4093Winson // If we know that the component still exists in the package, then skip 693e7f138c7f0a190c86cec10fb32fa106aacae4093Winson continue; 694e7f138c7f0a190c86cec10fb32fa106aacae4093Winson } 695e7f138c7f0a190c86cec10fb32fa106aacae4093Winson if (ssp.getActivityInfo(cn, userId) != null) { 696e7f138c7f0a190c86cec10fb32fa106aacae4093Winson existingComponents.add(cn); 697e7f138c7f0a190c86cec10fb32fa106aacae4093Winson } else { 698e7f138c7f0a190c86cec10fb32fa106aacae4093Winson removedComponents.add(cn); 699e7f138c7f0a190c86cec10fb32fa106aacae4093Winson } 700e7f138c7f0a190c86cec10fb32fa106aacae4093Winson } 701e7f138c7f0a190c86cec10fb32fa106aacae4093Winson } 702e7f138c7f0a190c86cec10fb32fa106aacae4093Winson return removedComponents; 703e7f138c7f0a190c86cec10fb32fa106aacae4093Winson } 704e7f138c7f0a190c86cec10fb32fa106aacae4093Winson 705303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung @Override 706303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung public String toString() { 707250608a5cd08862f4752a924d51710805850db8aWinson String str = "Stack Tasks:\n"; 708250608a5cd08862f4752a924d51710805850db8aWinson for (Task t : mStackTaskList.getTasks()) { 709250608a5cd08862f4752a924d51710805850db8aWinson str += " " + t.toString() + "\n"; 710250608a5cd08862f4752a924d51710805850db8aWinson } 711250608a5cd08862f4752a924d51710805850db8aWinson str += "Historical Tasks:\n"; 712250608a5cd08862f4752a924d51710805850db8aWinson for (Task t : mHistoryTaskList.getTasks()) { 713303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung str += " " + t.toString() + "\n"; 714303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung } 715303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung return str; 716303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung } 717303e1ff1fec8b240b587bb18b981247a99833aa8Winson Chung}