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/*
* Copyright (C) 2017 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.settings.notification;
import android.app.ActivityManager;
import android.app.AlarmManager;
import android.app.AlarmManager.AlarmClockInfo;
import android.app.NotificationManager;
import android.content.ContentResolver;
import android.content.Context;
import android.database.ContentObserver;
import android.net.Uri;
import android.os.Handler;
import android.os.UserHandle;
import android.provider.Settings;
import android.service.notification.ScheduleCalendar;
import android.service.notification.ZenModeConfig;
import android.support.v7.preference.Preference;
import android.support.v7.preference.PreferenceScreen;
import com.android.internal.annotations.VisibleForTesting;
import com.android.settings.core.PreferenceControllerMixin;
import com.android.settings.overlay.FeatureFactory;
import com.android.settingslib.core.AbstractPreferenceController;
import com.android.settingslib.core.instrumentation.MetricsFeatureProvider;
import com.android.settingslib.core.lifecycle.Lifecycle;
import com.android.settingslib.core.lifecycle.LifecycleObserver;
import com.android.settingslib.core.lifecycle.events.OnPause;
import com.android.settingslib.core.lifecycle.events.OnResume;
abstract public class AbstractZenModePreferenceController extends
AbstractPreferenceController implements PreferenceControllerMixin, LifecycleObserver,
OnResume, OnPause {
@VisibleForTesting
protected SettingObserver mSettingObserver;
private final String KEY;
final private NotificationManager mNotificationManager;
protected static ZenModeConfigWrapper mZenModeConfigWrapper;
protected MetricsFeatureProvider mMetricsFeatureProvider;
protected final ZenModeBackend mBackend;
public AbstractZenModePreferenceController(Context context, String key,
Lifecycle lifecycle) {
super(context);
mZenModeConfigWrapper = new ZenModeConfigWrapper(context);
if (lifecycle != null) {
lifecycle.addObserver(this);
}
KEY = key;
mNotificationManager = (NotificationManager) context.getSystemService(
Context.NOTIFICATION_SERVICE);
final FeatureFactory featureFactory = FeatureFactory.getFactory(mContext);
mMetricsFeatureProvider = featureFactory.getMetricsFeatureProvider();
mBackend = ZenModeBackend.getInstance(context);
}
@Override
public void displayPreference(PreferenceScreen screen) {
super.displayPreference(screen);
mSettingObserver = new SettingObserver(screen.findPreference(KEY));
}
@Override
public void onResume() {
if (mSettingObserver != null) {
mSettingObserver.register(mContext.getContentResolver());
}
}
@Override
public void onPause() {
if (mSettingObserver != null) {
mSettingObserver.unregister(mContext.getContentResolver());
}
}
@Override
public void updateState(Preference preference) {
super.updateState(preference);
mBackend.updatePolicy();
mBackend.updateZenMode();
}
protected NotificationManager.Policy getPolicy() {
return mNotificationManager.getNotificationPolicy();
}
protected ZenModeConfig getZenModeConfig() {
return mNotificationManager.getZenModeConfig();
}
protected int getZenMode() {
return Settings.Global.getInt(mContext.getContentResolver(), Settings.Global.ZEN_MODE,
mBackend.mZenMode);
}
class SettingObserver extends ContentObserver {
private final Uri ZEN_MODE_URI = Settings.Global.getUriFor(Settings.Global.ZEN_MODE);
private final Uri ZEN_MODE_CONFIG_ETAG_URI = Settings.Global.getUriFor(
Settings.Global.ZEN_MODE_CONFIG_ETAG);
private final Preference mPreference;
public SettingObserver(Preference preference) {
super(new Handler());
mPreference = preference;
}
public void register(ContentResolver cr) {
cr.registerContentObserver(ZEN_MODE_URI, false, this, UserHandle.USER_ALL);
cr.registerContentObserver(ZEN_MODE_CONFIG_ETAG_URI, false, this, UserHandle.USER_ALL);
}
public void unregister(ContentResolver cr) {
cr.unregisterContentObserver(this);
}
@Override
public void onChange(boolean selfChange, Uri uri) {
super.onChange(selfChange, uri);
if (ZEN_MODE_URI.equals(uri)) {
updateState(mPreference);
}
if (ZEN_MODE_CONFIG_ETAG_URI.equals(uri)) {
updateState(mPreference);
}
}
}
/**
* Wrapper for testing compatibility
*/
@VisibleForTesting
static class ZenModeConfigWrapper {
private final Context mContext;
public ZenModeConfigWrapper(Context context) {
mContext = context;
}
protected String getOwnerCaption(String owner) {
return ZenModeConfig.getOwnerCaption(mContext, owner);
}
protected boolean isTimeRule(Uri id) {
return ZenModeConfig.isValidEventConditionId(id) ||
ZenModeConfig.isValidScheduleConditionId(id);
}
protected CharSequence getFormattedTime(long time, int userHandle) {
return ZenModeConfig.getFormattedTime(mContext, time, isToday(time), userHandle);
}
private boolean isToday(long time) {
return ZenModeConfig.isToday(time);
}
protected long parseManualRuleTime(Uri id) {
return ZenModeConfig.tryParseCountdownConditionId(id);
}
protected long parseAutomaticRuleEndTime(Uri id) {
if (ZenModeConfig.isValidEventConditionId(id)) {
// cannot look up end times for events
return Long.MAX_VALUE;
}
if (ZenModeConfig.isValidScheduleConditionId(id)) {
ScheduleCalendar schedule = ZenModeConfig.toScheduleCalendar(id);
long endTimeMs = schedule.getNextChangeTime(System.currentTimeMillis());
// check if automatic rule will end on next alarm
if (schedule.exitAtAlarm()) {
long nextAlarm = getNextAlarm(mContext);
schedule.maybeSetNextAlarm(System.currentTimeMillis(), nextAlarm);
if (schedule.shouldExitForAlarm(endTimeMs)) {
return nextAlarm;
}
}
return endTimeMs;
}
return -1;
}
}
private static long getNextAlarm(Context context) {
final AlarmManager alarms = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
final AlarmClockInfo info = alarms.getNextAlarmClock(ActivityManager.getCurrentUser());
return info != null ? info.getTriggerTime() : 0;
}
}
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