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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 package com.android.settings.display;
     17 
     18 import android.content.Context;
     19 import android.os.UserHandle;
     20 import android.support.v7.preference.Preference;
     21 
     22 import com.android.internal.hardware.AmbientDisplayConfiguration;
     23 import com.android.settings.R;
     24 import com.android.settings.core.PreferenceControllerMixin;
     25 import com.android.settingslib.core.AbstractPreferenceController;
     26 
     27 public class AmbientDisplayPreferenceController extends AbstractPreferenceController implements
     28         PreferenceControllerMixin {
     29 
     30     private static final int MY_USER_ID = UserHandle.myUserId();
     31 
     32     private final AmbientDisplayConfiguration mConfig;
     33     private final String mKey;
     34 
     35     public AmbientDisplayPreferenceController(Context context, AmbientDisplayConfiguration config,
     36             String key) {
     37         super(context);
     38         mConfig = config;
     39         mKey = key;
     40     }
     41 
     42     @Override
     43     public boolean isAvailable() {
     44         return mConfig.available();
     45     }
     46 
     47     @Override
     48     public void updateState(Preference preference) {
     49         super.updateState(preference);
     50         if (mConfig.alwaysOnEnabled(MY_USER_ID)) {
     51             preference.setSummary(R.string.ambient_display_screen_summary_always_on);
     52         } else if (mConfig.pulseOnNotificationEnabled(MY_USER_ID)) {
     53             preference.setSummary(R.string.ambient_display_screen_summary_notifications);
     54         } else if (mConfig.enabled(MY_USER_ID)) {
     55             preference.setSummary(R.string.switch_on_text);
     56         } else {
     57             preference.setSummary(R.string.switch_off_text);
     58         }
     59     }
     60 
     61     @Override
     62     public String getPreferenceKey() {
     63         return mKey;
     64     }
     65 }
     66