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      1 /*
      2  * Copyright (C) 2017 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.settings.development;
     18 
     19 import android.content.Context;
     20 import android.os.Build;
     21 import android.provider.Settings;
     22 import android.support.annotation.VisibleForTesting;
     23 import android.support.v14.preference.SwitchPreference;
     24 import android.support.v7.preference.Preference;
     25 
     26 import com.android.settings.core.PreferenceControllerMixin;
     27 import com.android.settingslib.development.DeveloperOptionsPreferenceController;
     28 
     29 public class NotificationChannelWarningsPreferenceController extends
     30         DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener,
     31         PreferenceControllerMixin {
     32 
     33     private static final String SHOW_NOTIFICATION_CHANNEL_WARNINGS_KEY =
     34             "show_notification_channel_warnings";
     35 
     36     @VisibleForTesting
     37     final static int SETTING_VALUE_ON = 1;
     38     @VisibleForTesting
     39     final static int SETTING_VALUE_OFF = 0;
     40     @VisibleForTesting
     41     final static int DEBUGGING_ENABLED = 1;
     42     @VisibleForTesting
     43     final static int DEBUGGING_DISABLED = 0;
     44 
     45     public NotificationChannelWarningsPreferenceController(Context context) {
     46         super(context);
     47     }
     48 
     49 
     50     @Override
     51     public String getPreferenceKey() {
     52         return SHOW_NOTIFICATION_CHANNEL_WARNINGS_KEY;
     53     }
     54 
     55     @Override
     56     public boolean onPreferenceChange(Preference preference, Object newValue) {
     57         final boolean isEnabled = (Boolean) newValue;
     58         Settings.Global.putInt(mContext.getContentResolver(),
     59                 Settings.Global.SHOW_NOTIFICATION_CHANNEL_WARNINGS,
     60                 isEnabled ? SETTING_VALUE_ON : SETTING_VALUE_OFF);
     61         return true;
     62     }
     63 
     64     @Override
     65     public void updateState(Preference preference) {
     66         final int defaultWarningEnabled = isDebuggable() ? DEBUGGING_ENABLED : DEBUGGING_DISABLED;
     67         final int mode = Settings.Global.getInt(mContext.getContentResolver(),
     68                 Settings.Global.SHOW_NOTIFICATION_CHANNEL_WARNINGS, defaultWarningEnabled);
     69         ((SwitchPreference) mPreference).setChecked(mode != SETTING_VALUE_OFF);
     70     }
     71 
     72     @Override
     73     protected void onDeveloperOptionsSwitchDisabled() {
     74         super.onDeveloperOptionsSwitchDisabled();
     75         Settings.Global.putInt(mContext.getContentResolver(),
     76                 Settings.Global.SHOW_NOTIFICATION_CHANNEL_WARNINGS, SETTING_VALUE_OFF);
     77         ((SwitchPreference) mPreference).setChecked(false);
     78     }
     79 
     80     @VisibleForTesting
     81     boolean isDebuggable() {
     82         return Build.IS_DEBUGGABLE;
     83     }
     84 }
     85