| /* |
| * Copyright (C) 2018 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License |
| */ |
| |
| package com.android.server.job.controllers.idle; |
| |
| import static com.android.server.job.JobSchedulerService.sElapsedRealtimeClock; |
| |
| import android.app.AlarmManager; |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| |
| import android.util.Log; |
| import android.util.Slog; |
| import com.android.server.am.ActivityManagerService; |
| import com.android.server.job.JobSchedulerService; |
| |
| import java.io.PrintWriter; |
| |
| public final class DeviceIdlenessTracker extends BroadcastReceiver implements IdlenessTracker { |
| private static final String TAG = "JobScheduler.DeviceIdlenessTracker"; |
| private static final boolean DEBUG = JobSchedulerService.DEBUG |
| || Log.isLoggable(TAG, Log.DEBUG); |
| |
| private AlarmManager mAlarm; |
| |
| // After construction, mutations of idle/screen-on state will only happen |
| // on the main looper thread, either in onReceive() or in an alarm callback. |
| private long mInactivityIdleThreshold; |
| private long mIdleWindowSlop; |
| private boolean mIdle; |
| private boolean mScreenOn; |
| private boolean mDockIdle; |
| private IdlenessListener mIdleListener; |
| |
| private AlarmManager.OnAlarmListener mIdleAlarmListener = () -> { |
| handleIdleTrigger(); |
| }; |
| |
| public DeviceIdlenessTracker() { |
| // At boot we presume that the user has just "interacted" with the |
| // device in some meaningful way. |
| mIdle = false; |
| mScreenOn = true; |
| mDockIdle = false; |
| } |
| |
| @Override |
| public boolean isIdle() { |
| return mIdle; |
| } |
| |
| @Override |
| public void startTracking(Context context, IdlenessListener listener) { |
| mIdleListener = listener; |
| mInactivityIdleThreshold = context.getResources().getInteger( |
| com.android.internal.R.integer.config_jobSchedulerInactivityIdleThreshold); |
| mIdleWindowSlop = context.getResources().getInteger( |
| com.android.internal.R.integer.config_jobSchedulerIdleWindowSlop); |
| mAlarm = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE); |
| |
| IntentFilter filter = new IntentFilter(); |
| |
| // Screen state |
| filter.addAction(Intent.ACTION_SCREEN_ON); |
| filter.addAction(Intent.ACTION_SCREEN_OFF); |
| |
| // Dreaming state |
| filter.addAction(Intent.ACTION_DREAMING_STARTED); |
| filter.addAction(Intent.ACTION_DREAMING_STOPPED); |
| |
| // Debugging/instrumentation |
| filter.addAction(ActivityManagerService.ACTION_TRIGGER_IDLE); |
| |
| // Wireless charging dock state |
| filter.addAction(Intent.ACTION_DOCK_IDLE); |
| filter.addAction(Intent.ACTION_DOCK_ACTIVE); |
| |
| context.registerReceiver(this, filter); |
| } |
| |
| @Override |
| public void dump(PrintWriter pw) { |
| pw.print(" mIdle: "); pw.println(mIdle); |
| pw.print(" mScreenOn: "); pw.println(mScreenOn); |
| pw.print(" mDockIdle: "); pw.println(mDockIdle); |
| } |
| |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| final String action = intent.getAction(); |
| if (action.equals(Intent.ACTION_SCREEN_ON) |
| || action.equals(Intent.ACTION_DREAMING_STOPPED) |
| || action.equals(Intent.ACTION_DOCK_ACTIVE)) { |
| if (action.equals(Intent.ACTION_DOCK_ACTIVE)) { |
| if (!mScreenOn) { |
| // Ignore this intent during screen off |
| return; |
| } else { |
| mDockIdle = false; |
| } |
| } else { |
| mScreenOn = true; |
| mDockIdle = false; |
| } |
| if (DEBUG) { |
| Slog.v(TAG,"exiting idle : " + action); |
| } |
| //cancel the alarm |
| mAlarm.cancel(mIdleAlarmListener); |
| if (mIdle) { |
| // possible transition to not-idle |
| mIdle = false; |
| mIdleListener.reportNewIdleState(mIdle); |
| } |
| } else if (action.equals(Intent.ACTION_SCREEN_OFF) |
| || action.equals(Intent.ACTION_DREAMING_STARTED) |
| || action.equals(Intent.ACTION_DOCK_IDLE)) { |
| // when the screen goes off or dreaming starts or wireless charging dock in idle, |
| // we schedule the alarm that will tell us when we have decided the device is |
| // truly idle. |
| if (action.equals(Intent.ACTION_DOCK_IDLE)) { |
| if (!mScreenOn) { |
| // Ignore this intent during screen off |
| return; |
| } else { |
| mDockIdle = true; |
| } |
| } else { |
| mScreenOn = false; |
| mDockIdle = false; |
| } |
| final long nowElapsed = sElapsedRealtimeClock.millis(); |
| final long when = nowElapsed + mInactivityIdleThreshold; |
| if (DEBUG) { |
| Slog.v(TAG, "Scheduling idle : " + action + " now:" + nowElapsed + " when=" |
| + when); |
| } |
| mAlarm.setWindow(AlarmManager.ELAPSED_REALTIME_WAKEUP, |
| when, mIdleWindowSlop, "JS idleness", mIdleAlarmListener, null); |
| } else if (action.equals(ActivityManagerService.ACTION_TRIGGER_IDLE)) { |
| handleIdleTrigger(); |
| } |
| } |
| |
| private void handleIdleTrigger() { |
| // idle time starts now. Do not set mIdle if screen is on. |
| if (!mIdle && (!mScreenOn || mDockIdle)) { |
| if (DEBUG) { |
| Slog.v(TAG, "Idle trigger fired @ " + sElapsedRealtimeClock.millis()); |
| } |
| mIdle = true; |
| mIdleListener.reportNewIdleState(mIdle); |
| } else { |
| if (DEBUG) { |
| Slog.v(TAG, "TRIGGER_IDLE received but not changing state; idle=" |
| + mIdle + " screen=" + mScreenOn); |
| } |
| } |
| } |
| } |