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      1 /*
      2  * Copyright (C) 2016 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
      5  * except in compliance with the License. You may obtain a copy of the License at
      6  *
      7  *      http://www.apache.org/licenses/LICENSE-2.0
      8  *
      9  * Unless required by applicable law or agreed to in writing, software distributed under the
     10  * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
     11  * KIND, either express or implied. See the License for the specific language governing
     12  * permissions and limitations under the License.
     13  */
     14 package com.android.settings.display;
     15 
     16 import android.content.Context;
     17 import android.support.v7.preference.Preference;
     18 
     19 import com.android.settings.core.PreferenceControllerMixin;
     20 import com.android.settings.dream.DreamSettings;
     21 import com.android.settingslib.core.AbstractPreferenceController;
     22 
     23 public class ScreenSaverPreferenceController extends AbstractPreferenceController implements
     24         PreferenceControllerMixin {
     25 
     26     private static final String KEY_SCREEN_SAVER = "screensaver";
     27 
     28     public ScreenSaverPreferenceController(Context context) {
     29         super(context);
     30     }
     31 
     32     @Override
     33     public boolean isAvailable() {
     34         return mContext.getResources().getBoolean(
     35                 com.android.internal.R.bool.config_dreamsSupported);
     36     }
     37 
     38     @Override
     39     public String getPreferenceKey() {
     40         return KEY_SCREEN_SAVER;
     41     }
     42 
     43     @Override
     44     public void updateState(Preference preference) {
     45         preference.setSummary(DreamSettings.getSummaryTextWithDreamName(mContext));
     46     }
     47 }
     48