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.applications.defaultapps; 18 19 import android.content.ComponentName; 20 import android.content.Context; 21 import android.content.Intent; 22 import android.content.IntentFilter; 23 import android.content.pm.ActivityInfo; 24 import android.content.pm.PackageManager; 25 import android.content.pm.ResolveInfo; 26 27 import com.android.settings.R; 28 import com.android.settingslib.applications.DefaultAppInfo; 29 import com.android.settingslib.wrapper.PackageManagerWrapper; 30 31 import java.util.ArrayList; 32 import java.util.List; 33 34 public class DefaultHomePreferenceController extends DefaultAppPreferenceController { 35 36 static final IntentFilter HOME_FILTER; 37 38 private final String mPackageName; 39 40 static { 41 HOME_FILTER = new IntentFilter(Intent.ACTION_MAIN); 42 HOME_FILTER.addCategory(Intent.CATEGORY_HOME); 43 HOME_FILTER.addCategory(Intent.CATEGORY_DEFAULT); 44 } 45 DefaultHomePreferenceController(Context context)46 public DefaultHomePreferenceController(Context context) { 47 super(context); 48 mPackageName = mContext.getPackageName(); 49 } 50 51 @Override getPreferenceKey()52 public String getPreferenceKey() { 53 return "default_home"; 54 } 55 56 @Override isAvailable()57 public boolean isAvailable() { 58 return mContext.getResources().getBoolean(R.bool.config_show_default_home); 59 } 60 61 @Override getDefaultAppInfo()62 protected DefaultAppInfo getDefaultAppInfo() { 63 final ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 64 final ComponentName currentDefaultHome = mPackageManager.getHomeActivities(homeActivities); 65 if (currentDefaultHome != null) { 66 return new DefaultAppInfo(mContext, mPackageManager, mUserId, currentDefaultHome); 67 } 68 final ActivityInfo onlyAppInfo = getOnlyAppInfo(homeActivities); 69 if (onlyAppInfo != null) { 70 return new DefaultAppInfo(mContext, mPackageManager, mUserId, 71 onlyAppInfo.getComponentName()); 72 } 73 return null; 74 } 75 getOnlyAppInfo(List<ResolveInfo> homeActivities)76 private ActivityInfo getOnlyAppInfo(List<ResolveInfo> homeActivities) { 77 final List<ActivityInfo> appLabels = new ArrayList<>(); 78 79 mPackageManager.getHomeActivities(homeActivities); 80 for (ResolveInfo candidate : homeActivities) { 81 final ActivityInfo info = candidate.activityInfo; 82 if (info.packageName.equals(mPackageName)) { 83 continue; 84 } 85 appLabels.add(info); 86 } 87 return appLabels.size() == 1 88 ? appLabels.get(0) 89 : null; 90 } 91 92 @Override getSettingIntent(DefaultAppInfo info)93 protected Intent getSettingIntent(DefaultAppInfo info) { 94 if (info == null) { 95 return null; 96 } 97 final String packageName; 98 if (info.componentName != null) { 99 packageName = info.componentName.getPackageName(); 100 } else if (info.packageItemInfo != null) { 101 packageName = info.packageItemInfo.packageName; 102 } else { 103 return null; 104 } 105 106 Intent intent = new Intent(Intent.ACTION_APPLICATION_PREFERENCES) 107 .setPackage(packageName) 108 .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK); 109 return mPackageManager.queryIntentActivities(intent, 0).size() == 1 ? intent : null; 110 } 111 hasHomePreference(String pkg, Context context)112 public static boolean hasHomePreference(String pkg, Context context) { 113 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 114 PackageManager pm = context.getPackageManager(); 115 pm.getHomeActivities(homeActivities); 116 for (int i = 0; i < homeActivities.size(); i++) { 117 if (homeActivities.get(i).activityInfo.packageName.equals(pkg)) { 118 return true; 119 } 120 } 121 return false; 122 } 123 isHomeDefault(String pkg, PackageManagerWrapper pm)124 public static boolean isHomeDefault(String pkg, PackageManagerWrapper pm) { 125 final ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 126 ComponentName def = pm.getHomeActivities(homeActivities); 127 128 return def == null || def.getPackageName().equals(pkg); 129 } 130 } 131