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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.bluetooth;
     18 
     19 import android.content.Context;
     20 import android.graphics.drawable.Drawable;
     21 import android.support.v14.preference.PreferenceFragment;
     22 import android.support.v7.preference.PreferenceScreen;
     23 import android.util.Pair;
     24 
     25 import com.android.settings.R;
     26 import com.android.settings.applications.LayoutPreference;
     27 import com.android.settings.widget.EntityHeaderController;
     28 import com.android.settingslib.bluetooth.CachedBluetoothDevice;
     29 import com.android.settingslib.core.lifecycle.Lifecycle;
     30 
     31 /**
     32  * This class adds a header with device name and status (connected/disconnected, etc.).
     33  */
     34 public class BluetoothDetailsHeaderController extends BluetoothDetailsController {
     35     private static final String KEY_DEVICE_HEADER = "bluetooth_device_header";
     36 
     37     private EntityHeaderController mHeaderController;
     38 
     39     public BluetoothDetailsHeaderController(Context context, PreferenceFragment fragment,
     40             CachedBluetoothDevice device, Lifecycle lifecycle) {
     41         super(context, fragment, device, lifecycle);
     42     }
     43 
     44     @Override
     45     protected void init(PreferenceScreen screen) {
     46         final LayoutPreference headerPreference =
     47                 (LayoutPreference) screen.findPreference(KEY_DEVICE_HEADER);
     48         mHeaderController = EntityHeaderController.newInstance(mFragment.getActivity(), mFragment,
     49                 headerPreference.findViewById(R.id.entity_header));
     50         screen.addPreference(headerPreference);
     51     }
     52 
     53     protected void setHeaderProperties() {
     54         final Pair<Drawable, String> pair = Utils.getBtClassDrawableWithDescription(
     55                 mContext, mCachedDevice,
     56                 mContext.getResources().getFraction(R.fraction.bt_battery_scale_fraction, 1, 1));
     57         String summaryText = mCachedDevice.getConnectionSummary();
     58         mHeaderController.setLabel(mCachedDevice.getName());
     59         mHeaderController.setIcon(pair.first);
     60         mHeaderController.setIconContentDescription(pair.second);
     61         mHeaderController.setSummary(summaryText);
     62     }
     63 
     64     @Override
     65     protected void refresh() {
     66         setHeaderProperties();
     67         mHeaderController.done(mFragment.getActivity(), true /* rebindActions */);
     68     }
     69 
     70     @Override
     71     public String getPreferenceKey() {
     72         return KEY_DEVICE_HEADER;
     73     }
     74 }
     75