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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.wallpaper;
     18 
     19 import android.content.ComponentName;
     20 import android.content.Context;
     21 import android.content.Intent;
     22 import android.content.pm.PackageManager;
     23 import android.content.pm.ResolveInfo;
     24 import android.os.Bundle;
     25 import android.support.v7.preference.Preference;
     26 import android.support.v7.preference.PreferenceScreen;
     27 
     28 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
     29 import com.android.settings.R;
     30 import com.android.settings.SettingsPreferenceFragment;
     31 import com.android.settings.search.BaseSearchIndexProvider;
     32 import com.android.settings.search.Indexable;
     33 import com.android.settings.search.SearchIndexableRaw;
     34 
     35 import java.util.ArrayList;
     36 import java.util.List;
     37 
     38 public class WallpaperTypeSettings extends SettingsPreferenceFragment implements Indexable {
     39 
     40     @Override
     41     public int getMetricsCategory() {
     42         return MetricsEvent.WALLPAPER_TYPE;
     43     }
     44 
     45     @Override
     46     protected int getHelpResource() {
     47         return R.string.help_uri_wallpaper;
     48     }
     49 
     50     @Override
     51     public void onCreate(Bundle savedInstanceState) {
     52         super.onCreate(savedInstanceState);
     53 
     54         addPreferencesFromResource(R.xml.wallpaper_settings);
     55         populateWallpaperTypes();
     56     }
     57 
     58     private void populateWallpaperTypes() {
     59         // Search for activities that satisfy the ACTION_SET_WALLPAPER action
     60         final Intent intent = new Intent(Intent.ACTION_SET_WALLPAPER);
     61         final PackageManager pm = getPackageManager();
     62         final List<ResolveInfo> rList = pm.queryIntentActivities(intent,
     63                 PackageManager.MATCH_DEFAULT_ONLY);
     64 
     65         final PreferenceScreen parent = getPreferenceScreen();
     66         parent.setOrderingAsAdded(false);
     67         // Add Preference items for each of the matching activities
     68         for (ResolveInfo info : rList) {
     69             Preference pref = new Preference(getPrefContext());
     70             Intent prefIntent = new Intent(intent);
     71             prefIntent.setComponent(new ComponentName(
     72                     info.activityInfo.packageName, info.activityInfo.name));
     73             pref.setIntent(prefIntent);
     74             CharSequence label = info.loadLabel(pm);
     75             if (label == null) label = info.activityInfo.packageName;
     76             pref.setTitle(label);
     77             pref.setIcon(info.loadIcon(pm));
     78             parent.addPreference(pref);
     79         }
     80     }
     81 
     82     public static final SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
     83         new BaseSearchIndexProvider() {
     84             @Override
     85             public List<SearchIndexableRaw> getRawDataToIndex(Context context, boolean enabled) {
     86                 final List<SearchIndexableRaw> result = new ArrayList<SearchIndexableRaw>();
     87 
     88                 final Intent intent = new Intent(Intent.ACTION_SET_WALLPAPER);
     89                 final PackageManager pm = context.getPackageManager();
     90                 final List<ResolveInfo> rList = pm.queryIntentActivities(intent,
     91                         PackageManager.MATCH_DEFAULT_ONLY);
     92 
     93                 // Add indexable data for each of the matching activities
     94                 for (ResolveInfo info : rList) {
     95                     CharSequence label = info.loadLabel(pm);
     96                     if (label == null) label = info.activityInfo.packageName;
     97 
     98                     SearchIndexableRaw data = new SearchIndexableRaw(context);
     99                     data.title = label.toString();
    100                     data.screenTitle = context.getResources().getString(
    101                             R.string.wallpaper_settings_fragment_title);
    102                     data.intentAction = Intent.ACTION_SET_WALLPAPER;
    103                     data.intentTargetPackage = info.activityInfo.packageName;
    104                     data.intentTargetClass = info.activityInfo.name;
    105                     result.add(data);
    106                 }
    107 
    108                 return result;
    109             }
    110         };
    111 }
    112