| /* |
| * Copyright (C) 2015 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.notification; |
| |
| import android.app.ActivityManager; |
| import android.app.AlarmManager; |
| import android.app.PendingIntent; |
| import android.content.BroadcastReceiver; |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.net.Uri; |
| import android.os.Binder; |
| import android.provider.Settings; |
| import android.service.notification.Condition; |
| import android.service.notification.IConditionProvider; |
| import android.service.notification.ScheduleCalendar; |
| import android.service.notification.ZenModeConfig; |
| import android.text.TextUtils; |
| import android.util.ArrayMap; |
| import android.util.ArraySet; |
| import android.util.Log; |
| import android.util.Slog; |
| |
| import com.android.internal.annotations.GuardedBy; |
| import com.android.internal.annotations.VisibleForTesting; |
| import com.android.server.notification.NotificationManagerService.DumpFilter; |
| |
| import java.io.PrintWriter; |
| import java.util.ArrayList; |
| import java.util.Calendar; |
| import java.util.List; |
| |
| /** |
| * Built-in zen condition provider for daily scheduled time-based conditions. |
| */ |
| public class ScheduleConditionProvider extends SystemConditionProviderService { |
| static final String TAG = "ConditionProviders.SCP"; |
| static final boolean DEBUG = true || Log.isLoggable("ConditionProviders", Log.DEBUG); |
| |
| public static final ComponentName COMPONENT = |
| new ComponentName("android", ScheduleConditionProvider.class.getName()); |
| private static final String NOT_SHOWN = "..."; |
| private static final String SIMPLE_NAME = ScheduleConditionProvider.class.getSimpleName(); |
| private static final String ACTION_EVALUATE = SIMPLE_NAME + ".EVALUATE"; |
| private static final int REQUEST_CODE_EVALUATE = 1; |
| private static final String EXTRA_TIME = "time"; |
| private static final String SEPARATOR = ";"; |
| private static final String SCP_SETTING = "snoozed_schedule_condition_provider"; |
| |
| private final Context mContext = this; |
| private final ArrayMap<Uri, ScheduleCalendar> mSubscriptions = new ArrayMap<>(); |
| private ArraySet<Uri> mSnoozedForAlarm = new ArraySet<>(); |
| |
| private AlarmManager mAlarmManager; |
| private boolean mConnected; |
| private boolean mRegistered; |
| private long mNextAlarmTime; |
| |
| public ScheduleConditionProvider() { |
| if (DEBUG) Slog.d(TAG, "new " + SIMPLE_NAME + "()"); |
| } |
| |
| @Override |
| public ComponentName getComponent() { |
| return COMPONENT; |
| } |
| |
| @Override |
| public boolean isValidConditionId(Uri id) { |
| return ZenModeConfig.isValidScheduleConditionId(id); |
| } |
| |
| @Override |
| public void dump(PrintWriter pw, DumpFilter filter) { |
| pw.print(" "); pw.print(SIMPLE_NAME); pw.println(":"); |
| pw.print(" mConnected="); pw.println(mConnected); |
| pw.print(" mRegistered="); pw.println(mRegistered); |
| pw.println(" mSubscriptions="); |
| final long now = System.currentTimeMillis(); |
| synchronized (mSubscriptions) { |
| for (Uri conditionId : mSubscriptions.keySet()) { |
| pw.print(" "); |
| pw.print(meetsSchedule(mSubscriptions.get(conditionId), now) ? "* " : " "); |
| pw.println(conditionId); |
| pw.print(" "); |
| pw.println(mSubscriptions.get(conditionId).toString()); |
| } |
| } |
| pw.println(" snoozed due to alarm: " + TextUtils.join(SEPARATOR, mSnoozedForAlarm)); |
| dumpUpcomingTime(pw, "mNextAlarmTime", mNextAlarmTime, now); |
| } |
| |
| @Override |
| public void onConnected() { |
| if (DEBUG) Slog.d(TAG, "onConnected"); |
| mConnected = true; |
| readSnoozed(); |
| } |
| |
| @Override |
| public void onBootComplete() { |
| // noop |
| } |
| |
| @Override |
| public void onDestroy() { |
| super.onDestroy(); |
| if (DEBUG) Slog.d(TAG, "onDestroy"); |
| mConnected = false; |
| } |
| |
| @Override |
| public void onSubscribe(Uri conditionId) { |
| if (DEBUG) Slog.d(TAG, "onSubscribe " + conditionId); |
| if (!ZenModeConfig.isValidScheduleConditionId(conditionId)) { |
| notifyCondition(createCondition(conditionId, Condition.STATE_ERROR, "invalidId")); |
| return; |
| } |
| synchronized (mSubscriptions) { |
| mSubscriptions.put(conditionId, ZenModeConfig.toScheduleCalendar(conditionId)); |
| } |
| evaluateSubscriptions(); |
| } |
| |
| @Override |
| public void onUnsubscribe(Uri conditionId) { |
| if (DEBUG) Slog.d(TAG, "onUnsubscribe " + conditionId); |
| synchronized (mSubscriptions) { |
| mSubscriptions.remove(conditionId); |
| } |
| removeSnoozed(conditionId); |
| evaluateSubscriptions(); |
| } |
| |
| @Override |
| public void attachBase(Context base) { |
| attachBaseContext(base); |
| } |
| |
| @Override |
| public IConditionProvider asInterface() { |
| return (IConditionProvider) onBind(null); |
| } |
| |
| private void evaluateSubscriptions() { |
| if (mAlarmManager == null) { |
| mAlarmManager = (AlarmManager) mContext.getSystemService(Context.ALARM_SERVICE); |
| } |
| final long now = System.currentTimeMillis(); |
| mNextAlarmTime = 0; |
| long nextUserAlarmTime = getNextAlarm(); |
| List<Condition> conditionsToNotify = new ArrayList<>(); |
| synchronized (mSubscriptions) { |
| setRegistered(!mSubscriptions.isEmpty()); |
| for (Uri conditionId : mSubscriptions.keySet()) { |
| Condition condition = |
| evaluateSubscriptionLocked(conditionId, mSubscriptions.get(conditionId), |
| now, nextUserAlarmTime); |
| if (condition != null) { |
| conditionsToNotify.add(condition); |
| } |
| } |
| } |
| notifyConditions(conditionsToNotify.toArray(new Condition[conditionsToNotify.size()])); |
| updateAlarm(now, mNextAlarmTime); |
| } |
| |
| @VisibleForTesting |
| @GuardedBy("mSubscriptions") |
| Condition evaluateSubscriptionLocked(Uri conditionId, ScheduleCalendar cal, |
| long now, long nextUserAlarmTime) { |
| if (DEBUG) Slog.d(TAG, String.format("evaluateSubscriptionLocked cal=%s, now=%s, " |
| + "nextUserAlarmTime=%s", cal, ts(now), ts(nextUserAlarmTime))); |
| Condition condition; |
| if (cal == null) { |
| condition = createCondition(conditionId, Condition.STATE_ERROR, "!invalidId"); |
| removeSnoozed(conditionId); |
| return condition; |
| } |
| if (cal.isInSchedule(now)) { |
| if (conditionSnoozed(conditionId)) { |
| condition = createCondition(conditionId, Condition.STATE_FALSE, "snoozed"); |
| } else if (cal.shouldExitForAlarm(now)) { |
| condition = createCondition(conditionId, Condition.STATE_FALSE, "alarmCanceled"); |
| addSnoozed(conditionId); |
| } else { |
| condition = createCondition(conditionId, Condition.STATE_TRUE, "meetsSchedule"); |
| } |
| } else { |
| condition = createCondition(conditionId, Condition.STATE_FALSE, "!meetsSchedule"); |
| removeSnoozed(conditionId); |
| } |
| cal.maybeSetNextAlarm(now, nextUserAlarmTime); |
| final long nextChangeTime = cal.getNextChangeTime(now); |
| if (nextChangeTime > 0 && nextChangeTime > now) { |
| if (mNextAlarmTime == 0 || nextChangeTime < mNextAlarmTime) { |
| mNextAlarmTime = nextChangeTime; |
| } |
| } |
| return condition; |
| } |
| |
| private void updateAlarm(long now, long time) { |
| final AlarmManager alarms = (AlarmManager) mContext.getSystemService(Context.ALARM_SERVICE); |
| final PendingIntent pendingIntent = PendingIntent.getBroadcast(mContext, |
| REQUEST_CODE_EVALUATE, |
| new Intent(ACTION_EVALUATE) |
| .addFlags(Intent.FLAG_RECEIVER_FOREGROUND) |
| .putExtra(EXTRA_TIME, time), |
| PendingIntent.FLAG_UPDATE_CURRENT); |
| alarms.cancel(pendingIntent); |
| if (time > now) { |
| if (DEBUG) Slog.d(TAG, String.format("Scheduling evaluate for %s, in %s, now=%s", |
| ts(time), formatDuration(time - now), ts(now))); |
| alarms.setExact(AlarmManager.RTC_WAKEUP, time, pendingIntent); |
| } else { |
| if (DEBUG) Slog.d(TAG, "Not scheduling evaluate"); |
| } |
| } |
| |
| public long getNextAlarm() { |
| final AlarmManager.AlarmClockInfo info = mAlarmManager.getNextAlarmClock( |
| ActivityManager.getCurrentUser()); |
| return info != null ? info.getTriggerTime() : 0; |
| } |
| |
| private boolean meetsSchedule(ScheduleCalendar cal, long time) { |
| return cal != null && cal.isInSchedule(time); |
| } |
| |
| private void setRegistered(boolean registered) { |
| if (mRegistered == registered) return; |
| if (DEBUG) Slog.d(TAG, "setRegistered " + registered); |
| mRegistered = registered; |
| if (mRegistered) { |
| final IntentFilter filter = new IntentFilter(); |
| filter.addAction(Intent.ACTION_TIME_CHANGED); |
| filter.addAction(Intent.ACTION_TIMEZONE_CHANGED); |
| filter.addAction(ACTION_EVALUATE); |
| filter.addAction(AlarmManager.ACTION_NEXT_ALARM_CLOCK_CHANGED); |
| registerReceiver(mReceiver, filter); |
| } else { |
| unregisterReceiver(mReceiver); |
| } |
| } |
| |
| private Condition createCondition(Uri id, int state, String reason) { |
| if (DEBUG) Slog.d(TAG, "notifyCondition " + id |
| + " " + Condition.stateToString(state) |
| + " reason=" + reason); |
| final String summary = NOT_SHOWN; |
| final String line1 = NOT_SHOWN; |
| final String line2 = NOT_SHOWN; |
| return new Condition(id, summary, line1, line2, 0, state, Condition.FLAG_RELEVANT_ALWAYS); |
| } |
| |
| private boolean conditionSnoozed(Uri conditionId) { |
| synchronized (mSnoozedForAlarm) { |
| return mSnoozedForAlarm.contains(conditionId); |
| } |
| } |
| |
| @VisibleForTesting |
| void addSnoozed(Uri conditionId) { |
| synchronized (mSnoozedForAlarm) { |
| mSnoozedForAlarm.add(conditionId); |
| saveSnoozedLocked(); |
| } |
| } |
| |
| private void removeSnoozed(Uri conditionId) { |
| synchronized (mSnoozedForAlarm) { |
| mSnoozedForAlarm.remove(conditionId); |
| saveSnoozedLocked(); |
| } |
| } |
| |
| private void saveSnoozedLocked() { |
| final String setting = TextUtils.join(SEPARATOR, mSnoozedForAlarm); |
| final int currentUser = ActivityManager.getCurrentUser(); |
| Settings.Secure.putStringForUser(mContext.getContentResolver(), |
| SCP_SETTING, |
| setting, |
| currentUser); |
| } |
| |
| private void readSnoozed() { |
| synchronized (mSnoozedForAlarm) { |
| long identity = Binder.clearCallingIdentity(); |
| try { |
| final String setting = Settings.Secure.getStringForUser( |
| mContext.getContentResolver(), |
| SCP_SETTING, |
| ActivityManager.getCurrentUser()); |
| if (setting != null) { |
| final String[] tokens = setting.split(SEPARATOR); |
| for (int i = 0; i < tokens.length; i++) { |
| String token = tokens[i]; |
| if (token != null) { |
| token = token.trim(); |
| } |
| if (TextUtils.isEmpty(token)) { |
| continue; |
| } |
| mSnoozedForAlarm.add(Uri.parse(token)); |
| } |
| } |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| } |
| |
| private BroadcastReceiver mReceiver = new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| if (DEBUG) Slog.d(TAG, "onReceive " + intent.getAction()); |
| if (Intent.ACTION_TIMEZONE_CHANGED.equals(intent.getAction())) { |
| synchronized (mSubscriptions) { |
| for (Uri conditionId : mSubscriptions.keySet()) { |
| final ScheduleCalendar cal = mSubscriptions.get(conditionId); |
| if (cal != null) { |
| cal.setTimeZone(Calendar.getInstance().getTimeZone()); |
| } |
| } |
| } |
| } |
| evaluateSubscriptions(); |
| } |
| }; |
| |
| } |
