1 /* 2 * Copyright (C) 2012 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 static com.android.server.am.ActivityManagerDebugConfig.DEBUG_MU; 20 import static com.android.server.am.ActivityManagerDebugConfig.TAG_AM; 21 import static com.android.server.am.ActivityManagerDebugConfig.TAG_WITH_CLASS_NAME; 22 23 import android.app.IStopUserCallback; 24 import android.os.UserHandle; 25 import android.util.ArrayMap; 26 import android.util.Slog; 27 28 import com.android.internal.util.ProgressReporter; 29 30 import java.io.PrintWriter; 31 import java.util.ArrayList; 32 33 public final class UserState { 34 private static final String TAG = TAG_WITH_CLASS_NAME ? "UserState" : TAG_AM; 35 36 // User is first coming up. 37 public final static int STATE_BOOTING = 0; 38 // User is in the locked state. 39 public final static int STATE_RUNNING_LOCKED = 1; 40 // User is in the unlocking state. 41 public final static int STATE_RUNNING_UNLOCKING = 2; 42 // User is in the running state. 43 public final static int STATE_RUNNING_UNLOCKED = 3; 44 // User is in the initial process of being stopped. 45 public final static int STATE_STOPPING = 4; 46 // User is in the final phase of stopping, sending Intent.ACTION_SHUTDOWN. 47 public final static int STATE_SHUTDOWN = 5; 48 49 public final UserHandle mHandle; 50 public final ArrayList<IStopUserCallback> mStopCallbacks 51 = new ArrayList<IStopUserCallback>(); 52 public final ProgressReporter mUnlockProgress; 53 54 public int state = STATE_BOOTING; 55 public int lastState = STATE_BOOTING; 56 public boolean switching; 57 58 /** 59 * The last time that a provider was reported to usage stats as being brought to important 60 * foreground procstate. 61 */ 62 public final ArrayMap<String,Long> mProviderLastReportedFg = new ArrayMap<>(); 63 UserState(UserHandle handle)64 public UserState(UserHandle handle) { 65 mHandle = handle; 66 mUnlockProgress = new ProgressReporter(handle.getIdentifier()); 67 } 68 setState(int oldState, int newState)69 public boolean setState(int oldState, int newState) { 70 if (state == oldState) { 71 setState(newState); 72 return true; 73 } else { 74 Slog.w(TAG, "Expected user " + mHandle.getIdentifier() + " in state " 75 + stateToString(oldState) + " but was in state " + stateToString(state)); 76 return false; 77 } 78 } 79 setState(int newState)80 public void setState(int newState) { 81 if (DEBUG_MU) { 82 Slog.i(TAG, "User " + mHandle.getIdentifier() + " state changed from " 83 + stateToString(state) + " to " + stateToString(newState)); 84 } 85 lastState = state; 86 state = newState; 87 } 88 stateToString(int state)89 private static String stateToString(int state) { 90 switch (state) { 91 case STATE_BOOTING: return "BOOTING"; 92 case STATE_RUNNING_LOCKED: return "RUNNING_LOCKED"; 93 case STATE_RUNNING_UNLOCKING: return "RUNNING_UNLOCKING"; 94 case STATE_RUNNING_UNLOCKED: return "RUNNING_UNLOCKED"; 95 case STATE_STOPPING: return "STOPPING"; 96 case STATE_SHUTDOWN: return "SHUTDOWN"; 97 default: return Integer.toString(state); 98 } 99 } 100 dump(String prefix, PrintWriter pw)101 void dump(String prefix, PrintWriter pw) { 102 pw.print(prefix); 103 pw.print("state="); pw.print(stateToString(state)); 104 if (switching) pw.print(" SWITCHING"); 105 pw.println(); 106 } 107 } 108