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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");
      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.connecteddevice;
     17 
     18 import android.app.Activity;
     19 import android.content.Context;
     20 import android.provider.SearchIndexableResource;
     21 import android.support.annotation.VisibleForTesting;
     22 
     23 import com.android.internal.logging.nano.MetricsProto;
     24 import com.android.settings.R;
     25 import com.android.settings.dashboard.DashboardFragment;
     26 import com.android.settings.dashboard.SummaryLoader;
     27 import com.android.settings.nfc.NfcPreferenceController;
     28 import com.android.settings.search.BaseSearchIndexProvider;
     29 import com.android.settingslib.core.AbstractPreferenceController;
     30 import com.android.settingslib.core.lifecycle.Lifecycle;
     31 
     32 import java.util.ArrayList;
     33 import java.util.Arrays;
     34 import java.util.List;
     35 
     36 public class ConnectedDeviceDashboardFragment extends DashboardFragment {
     37 
     38     private static final String TAG = "ConnectedDeviceFrag";
     39 
     40     @VisibleForTesting
     41     static final String KEY_CONNECTED_DEVICES = "connected_device_list";
     42     @VisibleForTesting
     43     static final String KEY_AVAILABLE_DEVICES = "available_device_list";
     44 
     45     @Override
     46     public int getMetricsCategory() {
     47         return MetricsProto.MetricsEvent.SETTINGS_CONNECTED_DEVICE_CATEGORY;
     48     }
     49 
     50     @Override
     51     protected String getLogTag() {
     52         return TAG;
     53     }
     54 
     55     @Override
     56     public int getHelpResource() {
     57         return R.string.help_url_connected_devices;
     58     }
     59 
     60     @Override
     61     protected int getPreferenceScreenResId() {
     62         return R.xml.connected_devices;
     63     }
     64 
     65     @Override
     66     protected List<AbstractPreferenceController> createPreferenceControllers(Context context) {
     67         return buildPreferenceControllers(context, getLifecycle());
     68     }
     69 
     70     private static List<AbstractPreferenceController> buildPreferenceControllers(Context context,
     71             Lifecycle lifecycle) {
     72         final List<AbstractPreferenceController> controllers = new ArrayList<>();
     73         final DiscoverableFooterPreferenceController discoverableFooterPreferenceController =
     74                 new DiscoverableFooterPreferenceController(context);
     75         controllers.add(discoverableFooterPreferenceController);
     76 
     77         if (lifecycle != null) {
     78             lifecycle.addObserver(discoverableFooterPreferenceController);
     79         }
     80 
     81         return controllers;
     82     }
     83 
     84     @Override
     85     public void onAttach(Context context) {
     86         super.onAttach(context);
     87         use(AvailableMediaDeviceGroupController.class).init(this);
     88         use(ConnectedDeviceGroupController.class).init(this);
     89         use(PreviouslyConnectedDevicePreferenceController.class).init(this);
     90         use(DiscoverableFooterPreferenceController.class).init(this);
     91     }
     92 
     93     @VisibleForTesting
     94     static class SummaryProvider implements SummaryLoader.SummaryProvider {
     95 
     96         private final Context mContext;
     97         private final SummaryLoader mSummaryLoader;
     98 
     99         public SummaryProvider(Context context, SummaryLoader summaryLoader) {
    100             mContext = context;
    101             mSummaryLoader = summaryLoader;
    102         }
    103 
    104         @Override
    105         public void setListening(boolean listening) {
    106             if (listening) {
    107                 mSummaryLoader.setSummary(this, mContext.getText(AdvancedConnectedDeviceController.
    108                         getConnectedDevicesSummaryResourceId(mContext)));
    109             }
    110         }
    111     }
    112 
    113     public static final SummaryLoader.SummaryProviderFactory SUMMARY_PROVIDER_FACTORY
    114             = new SummaryLoader.SummaryProviderFactory() {
    115         @Override
    116         public SummaryLoader.SummaryProvider createSummaryProvider(Activity activity,
    117                 SummaryLoader summaryLoader) {
    118             return new SummaryProvider(activity, summaryLoader);
    119         }
    120     };
    121 
    122     /**
    123      * For Search.
    124      */
    125     public static final SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
    126             new BaseSearchIndexProvider() {
    127                 @Override
    128                 public List<SearchIndexableResource> getXmlResourcesToIndex(
    129                         Context context, boolean enabled) {
    130                     final SearchIndexableResource sir = new SearchIndexableResource(context);
    131                     sir.xmlResId = R.xml.connected_devices;
    132                     return Arrays.asList(sir);
    133                 }
    134 
    135                 @Override
    136                 public List<AbstractPreferenceController> createPreferenceControllers(Context
    137                         context) {
    138                     return buildPreferenceControllers(context, null /* lifecycle */);
    139                 }
    140 
    141                 @Override
    142                 public List<String> getNonIndexableKeys(Context context) {
    143                     List<String> keys = super.getNonIndexableKeys(context);
    144                     // Disable because they show dynamic data
    145                     keys.add(KEY_AVAILABLE_DEVICES);
    146                     keys.add(KEY_CONNECTED_DEVICES);
    147                     return keys;
    148                 }
    149             };
    150 }
    151