| /* |
| * 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 android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.util.Log; |
| import android.util.Slog; |
| import android.util.proto.ProtoOutputStream; |
| |
| import com.android.server.am.ActivityManagerService; |
| import com.android.server.job.JobSchedulerService; |
| import com.android.server.job.StateControllerProto; |
| |
| import java.io.PrintWriter; |
| |
| public final class CarIdlenessTracker extends BroadcastReceiver implements IdlenessTracker { |
| private static final String TAG = "JobScheduler.CarIdlenessTracker"; |
| private static final boolean DEBUG = JobSchedulerService.DEBUG |
| || Log.isLoggable(TAG, Log.DEBUG); |
| |
| public static final String ACTION_GARAGE_MODE_ON = |
| "com.android.server.jobscheduler.GARAGE_MODE_ON"; |
| public static final String ACTION_GARAGE_MODE_OFF = |
| "com.android.server.jobscheduler.GARAGE_MODE_OFF"; |
| |
| public static final String ACTION_FORCE_IDLE = "com.android.server.jobscheduler.FORCE_IDLE"; |
| public static final String ACTION_UNFORCE_IDLE = "com.android.server.jobscheduler.UNFORCE_IDLE"; |
| |
| // 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 boolean mIdle; |
| private boolean mGarageModeOn; |
| private boolean mForced; |
| private IdlenessListener mIdleListener; |
| |
| public CarIdlenessTracker() { |
| // At boot we presume that the user has just "interacted" with the |
| // device in some meaningful way. |
| mIdle = false; |
| mGarageModeOn = false; |
| mForced = false; |
| } |
| |
| @Override |
| public boolean isIdle() { |
| return mIdle; |
| } |
| |
| @Override |
| public void startTracking(Context context, IdlenessListener listener) { |
| mIdleListener = listener; |
| |
| IntentFilter filter = new IntentFilter(); |
| |
| // Screen state |
| filter.addAction(Intent.ACTION_SCREEN_ON); |
| |
| // State of GarageMode |
| filter.addAction(ACTION_GARAGE_MODE_ON); |
| filter.addAction(ACTION_GARAGE_MODE_OFF); |
| |
| // Debugging/instrumentation |
| filter.addAction(ACTION_FORCE_IDLE); |
| filter.addAction(ACTION_UNFORCE_IDLE); |
| filter.addAction(ActivityManagerService.ACTION_TRIGGER_IDLE); |
| |
| context.registerReceiver(this, filter); |
| } |
| |
| @Override |
| public void dump(PrintWriter pw) { |
| pw.print(" mIdle: "); pw.println(mIdle); |
| pw.print(" mGarageModeOn: "); pw.println(mGarageModeOn); |
| } |
| |
| @Override |
| public void dump(ProtoOutputStream proto, long fieldId) { |
| final long token = proto.start(fieldId); |
| final long ciToken = proto.start( |
| StateControllerProto.IdleController.IdlenessTracker.CAR_IDLENESS_TRACKER); |
| |
| proto.write(StateControllerProto.IdleController.IdlenessTracker.CarIdlenessTracker.IS_IDLE, |
| mIdle); |
| proto.write( |
| StateControllerProto.IdleController.IdlenessTracker.CarIdlenessTracker.IS_GARAGE_MODE_ON, |
| mGarageModeOn); |
| |
| proto.end(ciToken); |
| proto.end(token); |
| } |
| |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| final String action = intent.getAction(); |
| logIfDebug("Received action: " + action); |
| |
| // Check for forced actions |
| if (action.equals(ACTION_FORCE_IDLE)) { |
| logIfDebug("Forcing idle..."); |
| setForceIdleState(true); |
| } else if (action.equals(ACTION_UNFORCE_IDLE)) { |
| logIfDebug("Unforcing idle..."); |
| setForceIdleState(false); |
| } else if (action.equals(Intent.ACTION_SCREEN_ON)) { |
| logIfDebug("Screen is on..."); |
| handleScreenOn(); |
| } else if (action.equals(ACTION_GARAGE_MODE_ON)) { |
| logIfDebug("GarageMode is on..."); |
| mGarageModeOn = true; |
| updateIdlenessState(); |
| } else if (action.equals(ACTION_GARAGE_MODE_OFF)) { |
| logIfDebug("GarageMode is off..."); |
| mGarageModeOn = false; |
| updateIdlenessState(); |
| } else if (action.equals(ActivityManagerService.ACTION_TRIGGER_IDLE)) { |
| if (!mGarageModeOn) { |
| logIfDebug("Idle trigger fired..."); |
| triggerIdlenessOnce(); |
| } else { |
| logIfDebug("TRIGGER_IDLE received but not changing state; idle=" |
| + mIdle + " screen=" + mGarageModeOn); |
| } |
| } |
| } |
| |
| private void setForceIdleState(boolean forced) { |
| mForced = forced; |
| updateIdlenessState(); |
| } |
| |
| private void updateIdlenessState() { |
| final boolean newState = (mForced || mGarageModeOn); |
| if (mIdle != newState) { |
| // State of idleness changed. Notifying idleness controller |
| logIfDebug("Device idleness changed. New idle=" + newState); |
| mIdle = newState; |
| mIdleListener.reportNewIdleState(mIdle); |
| } else { |
| // Nothing changed, device idleness is in the same state as new state |
| logIfDebug("Device idleness is the same. Current idle=" + newState); |
| } |
| } |
| |
| private void triggerIdlenessOnce() { |
| // This is simply triggering idleness once until some constraint will switch it back off |
| if (mIdle) { |
| // Already in idle state. Nothing to do |
| logIfDebug("Device is already idle"); |
| } else { |
| // Going idle once |
| logIfDebug("Device is going idle once"); |
| mIdle = true; |
| mIdleListener.reportNewIdleState(mIdle); |
| } |
| } |
| |
| private void handleScreenOn() { |
| if (mForced || mGarageModeOn) { |
| // Even though screen is on, the device remains idle |
| logIfDebug("Screen is on, but device cannot exit idle"); |
| } else if (mIdle) { |
| // Exiting idle |
| logIfDebug("Device is exiting idle"); |
| mIdle = false; |
| } else { |
| // Already in non-idle state. Nothing to do |
| logIfDebug("Device is already non-idle"); |
| } |
| } |
| |
| private static void logIfDebug(String msg) { |
| if (DEBUG) { |
| Slog.v(TAG, msg); |
| } |
| } |
| } |