The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2006 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.server.am; |
| 18 | |
| 19 | import android.content.ComponentName; |
| 20 | import android.content.Intent; |
| 21 | import android.content.pm.ActivityInfo; |
| 22 | import android.os.SystemClock; |
| 23 | |
| 24 | import java.io.PrintWriter; |
| 25 | |
| 26 | class TaskRecord { |
| 27 | final int taskId; // Unique identifier for this task. |
| 28 | final String affinity; // The affinity name for this task, or null. |
| 29 | final boolean clearOnBackground; // As per the original activity. |
| 30 | Intent intent; // The original intent that started the task. |
| 31 | Intent affinityIntent; // Intent of affinity-moved activity that started this task. |
| 32 | ComponentName origActivity; // The non-alias activity component of the intent. |
| 33 | ComponentName realActivity; // The actual activity component that started the task. |
| 34 | int numActivities; // Current number of activities in this task. |
| 35 | long lastActiveTime; // Last time this task was active, including sleep. |
| 36 | boolean rootWasReset; // True if the intent at the root of the task had |
| 37 | // the FLAG_ACTIVITY_RESET_TASK_IF_NEEDED flag. |
| 38 | |
| 39 | TaskRecord(int _taskId, ActivityInfo info, Intent _intent, |
| 40 | boolean _clearOnBackground) { |
| 41 | taskId = _taskId; |
| 42 | affinity = info.taskAffinity; |
| 43 | clearOnBackground = _clearOnBackground; |
| 44 | setIntent(_intent, info); |
| 45 | } |
| 46 | |
| 47 | void touchActiveTime() { |
| 48 | lastActiveTime = android.os.SystemClock.elapsedRealtime(); |
| 49 | } |
| 50 | |
| 51 | long getInactiveDuration() { |
| 52 | return android.os.SystemClock.elapsedRealtime() - lastActiveTime; |
| 53 | } |
| 54 | |
| 55 | void setIntent(Intent _intent, ActivityInfo info) { |
| 56 | if (info.targetActivity == null) { |
| 57 | intent = _intent; |
| 58 | realActivity = _intent != null ? _intent.getComponent() : null; |
| 59 | origActivity = null; |
| 60 | } else { |
| 61 | ComponentName targetComponent = new ComponentName( |
| 62 | info.packageName, info.targetActivity); |
| 63 | if (_intent != null) { |
| 64 | Intent targetIntent = new Intent(_intent); |
| 65 | targetIntent.setComponent(targetComponent); |
| 66 | intent = targetIntent; |
| 67 | realActivity = targetComponent; |
| 68 | origActivity = _intent.getComponent(); |
| 69 | } else { |
| 70 | intent = null; |
| 71 | realActivity = targetComponent; |
| 72 | origActivity = new ComponentName(info.packageName, info.name); |
| 73 | } |
| 74 | } |
| 75 | |
| 76 | if (intent != null && |
| 77 | (intent.getFlags()&Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED) != 0) { |
| 78 | // Once we are set to an Intent with this flag, we count this |
| 79 | // task as having a true root activity. |
| 80 | rootWasReset = true; |
| 81 | } |
| 82 | } |
| 83 | |
| 84 | void dump(PrintWriter pw, String prefix) { |
| 85 | pw.println(prefix + this); |
| 86 | pw.println(prefix + "clearOnBackground=" + clearOnBackground |
| 87 | + " numActivities=" + numActivities |
| 88 | + " rootWasReset=" + rootWasReset); |
| 89 | pw.println(prefix + "affinity=" + affinity); |
| 90 | pw.println(prefix + "intent=" + intent); |
| 91 | pw.println(prefix + "affinityIntent=" + affinityIntent); |
| 92 | pw.println(prefix + "origActivity=" + origActivity); |
| 93 | pw.println(prefix + "lastActiveTime=" + lastActiveTime |
| 94 | +" (inactive for " + (getInactiveDuration()/1000) + "s)"); |
| 95 | } |
| 96 | |
| 97 | public String toString() { |
| 98 | return "Task{" + taskId + " " |
| 99 | + (affinity != null ? affinity |
| 100 | : (intent != null ? intent.getComponent().flattenToShortString() |
| 101 | : affinityIntent != null ? affinityIntent.getComponent().flattenToShortString() : "??")) |
| 102 | + "}"; |
| 103 | } |
| 104 | } |