1 /* 2 * Copyright (C) 2008 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.launcher3; 18 19 import android.content.ComponentName; 20 import android.content.Context; 21 import android.content.pm.LauncherActivityInfo; 22 import android.os.UserHandle; 23 24 import com.android.launcher3.compat.LauncherAppsCompat; 25 import com.android.launcher3.util.FlagOp; 26 import com.android.launcher3.util.ItemInfoMatcher; 27 28 import java.util.ArrayList; 29 import java.util.HashSet; 30 import java.util.List; 31 32 33 /** 34 * Stores the list of all applications for the all apps view. 35 */ 36 public class AllAppsList { 37 public static final int DEFAULT_APPLICATIONS_NUMBER = 42; 38 39 /** The list off all apps. */ 40 public ArrayList<AppInfo> data = 41 new ArrayList<AppInfo>(DEFAULT_APPLICATIONS_NUMBER); 42 /** The list of apps that have been added since the last notify() call. */ 43 public ArrayList<AppInfo> added = 44 new ArrayList<AppInfo>(DEFAULT_APPLICATIONS_NUMBER); 45 /** The list of apps that have been removed since the last notify() call. */ 46 public ArrayList<AppInfo> removed = new ArrayList<AppInfo>(); 47 /** The list of apps that have been modified since the last notify() call. */ 48 public ArrayList<AppInfo> modified = new ArrayList<AppInfo>(); 49 50 private IconCache mIconCache; 51 52 private AppFilter mAppFilter; 53 54 /** 55 * Boring constructor. 56 */ 57 public AllAppsList(IconCache iconCache, AppFilter appFilter) { 58 mIconCache = iconCache; 59 mAppFilter = appFilter; 60 } 61 62 /** 63 * Add the supplied ApplicationInfo objects to the list, and enqueue it into the 64 * list to broadcast when notify() is called. 65 * 66 * If the app is already in the list, doesn't add it. 67 */ 68 public void add(AppInfo info, LauncherActivityInfo activityInfo) { 69 if (!mAppFilter.shouldShowApp(info.componentName)) { 70 return; 71 } 72 if (findActivity(data, info.componentName, info.user)) { 73 return; 74 } 75 mIconCache.getTitleAndIcon(info, activityInfo, true /* useLowResIcon */); 76 77 data.add(info); 78 added.add(info); 79 } 80 81 public void clear() { 82 data.clear(); 83 // TODO: do we clear these too? 84 added.clear(); 85 removed.clear(); 86 modified.clear(); 87 } 88 89 public int size() { 90 return data.size(); 91 } 92 93 public AppInfo get(int index) { 94 return data.get(index); 95 } 96 97 /** 98 * Add the icons for the supplied apk called packageName. 99 */ 100 public void addPackage(Context context, String packageName, UserHandle user) { 101 final LauncherAppsCompat launcherApps = LauncherAppsCompat.getInstance(context); 102 final List<LauncherActivityInfo> matches = launcherApps.getActivityList(packageName, 103 user); 104 105 for (LauncherActivityInfo info : matches) { 106 add(new AppInfo(context, info, user), info); 107 } 108 } 109 110 /** 111 * Remove the apps for the given apk identified by packageName. 112 */ 113 public void removePackage(String packageName, UserHandle user) { 114 final List<AppInfo> data = this.data; 115 for (int i = data.size() - 1; i >= 0; i--) { 116 AppInfo info = data.get(i); 117 if (info.user.equals(user) && packageName.equals(info.componentName.getPackageName())) { 118 removed.add(info); 119 data.remove(i); 120 } 121 } 122 } 123 124 /** 125 * Updates the disabled flags of apps matching {@param matcher} based on {@param op}. 126 */ 127 public void updateDisabledFlags(ItemInfoMatcher matcher, FlagOp op) { 128 final List<AppInfo> data = this.data; 129 for (int i = data.size() - 1; i >= 0; i--) { 130 AppInfo info = data.get(i); 131 if (matcher.matches(info, info.componentName)) { 132 info.isDisabled = op.apply(info.isDisabled); 133 modified.add(info); 134 } 135 } 136 } 137 138 public void updateIconsAndLabels(HashSet<String> packages, UserHandle user, 139 ArrayList<AppInfo> outUpdates) { 140 for (AppInfo info : data) { 141 if (info.user.equals(user) && packages.contains(info.componentName.getPackageName())) { 142 mIconCache.updateTitleAndIcon(info); 143 outUpdates.add(info); 144 } 145 } 146 } 147 148 /** 149 * Add and remove icons for this package which has been updated. 150 */ 151 public void updatePackage(Context context, String packageName, UserHandle user) { 152 final LauncherAppsCompat launcherApps = LauncherAppsCompat.getInstance(context); 153 final List<LauncherActivityInfo> matches = launcherApps.getActivityList(packageName, 154 user); 155 if (matches.size() > 0) { 156 // Find disabled/removed activities and remove them from data and add them 157 // to the removed list. 158 for (int i = data.size() - 1; i >= 0; i--) { 159 final AppInfo applicationInfo = data.get(i); 160 if (user.equals(applicationInfo.user) 161 && packageName.equals(applicationInfo.componentName.getPackageName())) { 162 if (!findActivity(matches, applicationInfo.componentName)) { 163 removed.add(applicationInfo); 164 data.remove(i); 165 } 166 } 167 } 168 169 // Find enabled activities and add them to the adapter 170 // Also updates existing activities with new labels/icons 171 for (final LauncherActivityInfo info : matches) { 172 AppInfo applicationInfo = findApplicationInfoLocked( 173 info.getComponentName().getPackageName(), user, 174 info.getComponentName().getClassName()); 175 if (applicationInfo == null) { 176 add(new AppInfo(context, info, user), info); 177 } else { 178 mIconCache.getTitleAndIcon(applicationInfo, info, true /* useLowResIcon */); 179 modified.add(applicationInfo); 180 } 181 } 182 } else { 183 // Remove all data for this package. 184 for (int i = data.size() - 1; i >= 0; i--) { 185 final AppInfo applicationInfo = data.get(i); 186 if (user.equals(applicationInfo.user) 187 && packageName.equals(applicationInfo.componentName.getPackageName())) { 188 removed.add(applicationInfo); 189 mIconCache.remove(applicationInfo.componentName, user); 190 data.remove(i); 191 } 192 } 193 } 194 } 195 196 197 /** 198 * Returns whether <em>apps</em> contains <em>component</em>. 199 */ 200 private static boolean findActivity(List<LauncherActivityInfo> apps, 201 ComponentName component) { 202 for (LauncherActivityInfo info : apps) { 203 if (info.getComponentName().equals(component)) { 204 return true; 205 } 206 } 207 return false; 208 } 209 210 /** 211 * Returns whether <em>apps</em> contains <em>component</em>. 212 */ 213 private static boolean findActivity(ArrayList<AppInfo> apps, ComponentName component, 214 UserHandle user) { 215 final int N = apps.size(); 216 for (int i = 0; i < N; i++) { 217 final AppInfo info = apps.get(i); 218 if (info.user.equals(user) && info.componentName.equals(component)) { 219 return true; 220 } 221 } 222 return false; 223 } 224 225 /** 226 * Find an ApplicationInfo object for the given packageName and className. 227 */ 228 private AppInfo findApplicationInfoLocked(String packageName, UserHandle user, 229 String className) { 230 for (AppInfo info: data) { 231 if (user.equals(info.user) && packageName.equals(info.componentName.getPackageName()) 232 && className.equals(info.componentName.getClassName())) { 233 return info; 234 } 235 } 236 return null; 237 } 238 } 239
