| /* |
| * Copyright (C) 2016 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 static android.provider.Settings.System.NOTIFICATION_LIGHT_PULSE; |
| |
| import android.content.ContentResolver; |
| import android.content.Context; |
| import android.database.ContentObserver; |
| import android.net.Uri; |
| import android.os.Handler; |
| import android.provider.Settings; |
| |
| import androidx.preference.Preference; |
| import androidx.preference.PreferenceScreen; |
| |
| import com.android.settings.R; |
| import com.android.settings.core.TogglePreferenceController; |
| import com.android.settingslib.core.lifecycle.LifecycleObserver; |
| import com.android.settingslib.core.lifecycle.events.OnPause; |
| import com.android.settingslib.core.lifecycle.events.OnResume; |
| |
| public class PulseNotificationPreferenceController extends TogglePreferenceController |
| implements LifecycleObserver, OnResume, OnPause { |
| |
| private static final int ON = 1; |
| private static final int OFF = 0; |
| private SettingObserver mSettingObserver; |
| |
| public PulseNotificationPreferenceController(Context context, String key) { |
| super(context, key); |
| } |
| |
| @Override |
| public void displayPreference(PreferenceScreen screen) { |
| super.displayPreference(screen); |
| Preference preference = screen.findPreference(getPreferenceKey()); |
| if (preference != null) { |
| mSettingObserver = new SettingObserver(preference); |
| } |
| } |
| |
| @Override |
| public void onResume() { |
| if (mSettingObserver != null) { |
| mSettingObserver.register(mContext.getContentResolver(), true /* register */); |
| } |
| } |
| |
| @Override |
| public void onPause() { |
| if (mSettingObserver != null) { |
| mSettingObserver.register(mContext.getContentResolver(), false /* register */); |
| } |
| } |
| |
| @Override |
| public int getAvailabilityStatus() { |
| return mContext.getResources().getBoolean( |
| com.android.internal.R.bool.config_intrusiveNotificationLed) ? AVAILABLE |
| : UNSUPPORTED_ON_DEVICE; |
| } |
| |
| @Override |
| public boolean isChecked() { |
| return Settings.System.getInt(mContext.getContentResolver(), NOTIFICATION_LIGHT_PULSE, OFF) |
| == ON; |
| } |
| |
| @Override |
| public boolean setChecked(boolean isChecked) { |
| return Settings.System.putInt(mContext.getContentResolver(), NOTIFICATION_LIGHT_PULSE, |
| isChecked ? ON : OFF); |
| } |
| |
| @Override |
| public int getSliceHighlightMenuRes() { |
| return R.string.menu_key_notifications; |
| } |
| |
| class SettingObserver extends ContentObserver { |
| |
| private final Uri NOTIFICATION_LIGHT_PULSE_URI = |
| Settings.System.getUriFor(Settings.System.NOTIFICATION_LIGHT_PULSE); |
| |
| private final Preference mPreference; |
| |
| public SettingObserver(Preference preference) { |
| super(new Handler()); |
| mPreference = preference; |
| } |
| |
| public void register(ContentResolver cr, boolean register) { |
| if (register) { |
| cr.registerContentObserver(NOTIFICATION_LIGHT_PULSE_URI, false, this); |
| } else { |
| cr.unregisterContentObserver(this); |
| } |
| } |
| |
| @Override |
| public void onChange(boolean selfChange, Uri uri) { |
| super.onChange(selfChange, uri); |
| if (NOTIFICATION_LIGHT_PULSE_URI.equals(uri)) { |
| updateState(mPreference); |
| } |
| } |
| } |
| } |