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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.car.settings.display;
     18 
     19 import static android.provider.Settings.System.SCREEN_BRIGHTNESS_MODE;
     20 import static android.provider.Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC;
     21 import static android.provider.Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL;
     22 
     23 import android.content.Context;
     24 import android.provider.Settings;
     25 import android.support.v7.widget.RecyclerView;
     26 
     27 import com.android.car.settings.R;
     28 
     29 import com.android.car.settings.common.ToggleLineItem;
     30 
     31 /**
     32  * A LineItem that displays and sets display auto brightness setting.
     33  */
     34 class AutoBrightnessLineItem extends ToggleLineItem {
     35     private final Context mContext;
     36 
     37     public AutoBrightnessLineItem(Context context) {
     38         super(context.getText(R.string.auto_brightness_title));
     39         mContext = context;
     40     }
     41 
     42     @Override
     43     public void onClick(boolean isChecked) {
     44         Settings.System.putInt(mContext.getContentResolver(), SCREEN_BRIGHTNESS_MODE,
     45                 isChecked ? SCREEN_BRIGHTNESS_MODE_MANUAL : SCREEN_BRIGHTNESS_MODE_AUTOMATIC);
     46     }
     47 
     48     @Override
     49     public boolean isChecked() {
     50         if (!isEnabled()) {
     51             return false;
     52         }
     53         int brightnessMode = Settings.System.getInt(mContext.getContentResolver(),
     54                 SCREEN_BRIGHTNESS_MODE, SCREEN_BRIGHTNESS_MODE_MANUAL);
     55         return brightnessMode != SCREEN_BRIGHTNESS_MODE_MANUAL;
     56     }
     57 
     58     @Override
     59     public CharSequence getDesc() {
     60         return mContext.getText(R.string.auto_brightness_summary);
     61     }
     62 
     63     @Override
     64     public void bindViewHolder(ToggleLineItemViewHolder holder) {
     65         super.bindViewHolder(holder);
     66         boolean enabled = isEnabled();
     67         holder.titleView.setEnabled(enabled);
     68         holder.descView.setEnabled(enabled);
     69         holder.toggle.setEnabled(enabled);
     70         holder.itemView.setEnabled(enabled);
     71     }
     72 
     73     @Override
     74     public boolean isEnabled() {
     75         return mContext.getResources().getBoolean(
     76                 com.android.internal.R.bool.config_automatic_brightness_available);
     77     }
     78 
     79     @Override
     80     public boolean isExpandable() {
     81         return false;
     82     }
     83 }
     84