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.enterprise; 18 19 import android.content.Context; 20 import android.content.pm.PackageManager; 21 import android.support.v7.preference.Preference; 22 import android.support.v7.preference.PreferenceScreen; 23 import android.util.IconDrawableFactory; 24 25 import com.android.settings.SettingsPreferenceFragment; 26 import com.android.settings.applications.ApplicationFeatureProvider; 27 import com.android.settings.applications.UserAppInfo; 28 import com.android.settings.core.PreferenceControllerMixin; 29 import com.android.settings.widget.AppPreference; 30 import com.android.settingslib.core.AbstractPreferenceController; 31 32 import java.util.List; 33 34 /** 35 * PreferenceController that builds a dynamic list of applications provided by 36 * {@link ApplicationListBuilder} instance. 37 */ 38 public class ApplicationListPreferenceController extends AbstractPreferenceController implements 39 PreferenceControllerMixin, ApplicationFeatureProvider.ListOfAppsCallback { 40 private final PackageManager mPm; 41 private SettingsPreferenceFragment mParent; 42 ApplicationListPreferenceController(Context context, ApplicationListBuilder builder, PackageManager packageManager, SettingsPreferenceFragment parent)43 public ApplicationListPreferenceController(Context context, ApplicationListBuilder builder, 44 PackageManager packageManager, SettingsPreferenceFragment parent) { 45 super(context); 46 mPm = packageManager; 47 mParent = parent; 48 builder.buildApplicationList(context, this); 49 } 50 51 @Override isAvailable()52 public boolean isAvailable() { 53 return true; 54 } 55 56 @Override getPreferenceKey()57 public String getPreferenceKey() { 58 return null; 59 } 60 61 @Override onListOfAppsResult(List<UserAppInfo> result)62 public void onListOfAppsResult(List<UserAppInfo> result) { 63 final PreferenceScreen screen = mParent.getPreferenceScreen(); 64 if (screen == null) { 65 return; 66 } 67 final IconDrawableFactory iconDrawableFactory = IconDrawableFactory.newInstance(mContext); 68 final Context prefContext = mParent.getPreferenceManager().getContext(); 69 for (int position = 0; position < result.size(); position++) { 70 final UserAppInfo item = result.get(position); 71 final Preference preference = new AppPreference(prefContext); 72 preference.setTitle(item.appInfo.loadLabel(mPm)); 73 preference.setIcon(iconDrawableFactory.getBadgedIcon(item.appInfo)); 74 preference.setOrder(position); 75 preference.setSelectable(false); 76 screen.addPreference(preference); 77 } 78 } 79 80 /** 81 * Simple interface for building application list within { 82 * @link ApplicationListPreferenceController} 83 */ 84 public interface ApplicationListBuilder { buildApplicationList(Context context, ApplicationFeatureProvider.ListOfAppsCallback callback)85 void buildApplicationList(Context context, 86 ApplicationFeatureProvider.ListOfAppsCallback callback); 87 } 88 } 89