| /* |
| * Copyright (C) 2008 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.launcher2; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.pm.LauncherActivityInfo; |
| import android.content.pm.LauncherApps; |
| import android.os.UserHandle; |
| |
| /** |
| * Stores the list of all applications for the all apps view. |
| */ |
| class AllAppsList { |
| public static final int DEFAULT_APPLICATIONS_NUMBER = 42; |
| |
| /** The list off all apps. */ |
| public ArrayList<ApplicationInfo> data = |
| new ArrayList<ApplicationInfo>(DEFAULT_APPLICATIONS_NUMBER); |
| /** The list of apps that have been added since the last notify() call. */ |
| public ArrayList<ApplicationInfo> added = |
| new ArrayList<ApplicationInfo>(DEFAULT_APPLICATIONS_NUMBER); |
| /** The list of apps that have been removed since the last notify() call. */ |
| public ArrayList<ApplicationInfo> removed = new ArrayList<ApplicationInfo>(); |
| /** The list of apps that have been modified since the last notify() call. */ |
| public ArrayList<ApplicationInfo> modified = new ArrayList<ApplicationInfo>(); |
| |
| private IconCache mIconCache; |
| |
| /** |
| * Boring constructor. |
| */ |
| public AllAppsList(IconCache iconCache) { |
| mIconCache = iconCache; |
| } |
| |
| /** |
| * Add the supplied ApplicationInfo objects to the list, and enqueue it into the |
| * list to broadcast when notify() is called. |
| * |
| * If the app is already in the list, doesn't add it. |
| */ |
| public void add(ApplicationInfo info) { |
| if (findActivity(data, info.componentName, info.user)) { |
| return; |
| } |
| data.add(info); |
| added.add(info); |
| } |
| |
| public void clear() { |
| data.clear(); |
| // TODO: do we clear these too? |
| added.clear(); |
| removed.clear(); |
| modified.clear(); |
| } |
| |
| public int size() { |
| return data.size(); |
| } |
| |
| public ApplicationInfo get(int index) { |
| return data.get(index); |
| } |
| |
| /** |
| * Add the icons for the supplied apk called packageName. |
| */ |
| public void addPackage(Context context, String packageName, UserHandle user) { |
| LauncherApps launcherApps = (LauncherApps) |
| context.getSystemService(Context.LAUNCHER_APPS_SERVICE); |
| final List<LauncherActivityInfo> matches = launcherApps.getActivityList(packageName, |
| user); |
| |
| for (LauncherActivityInfo info : matches) { |
| add(new ApplicationInfo(info, user, mIconCache, null)); |
| } |
| } |
| |
| /** |
| * Remove the apps for the given apk identified by packageName. |
| */ |
| public void removePackage(String packageName, UserHandle user) { |
| final List<ApplicationInfo> data = this.data; |
| for (int i = data.size() - 1; i >= 0; i--) { |
| ApplicationInfo info = data.get(i); |
| final ComponentName component = info.intent.getComponent(); |
| if (info.user.equals(user) && packageName.equals(component.getPackageName())) { |
| removed.add(info); |
| data.remove(i); |
| } |
| } |
| // This is more aggressive than it needs to be. |
| mIconCache.flush(); |
| } |
| |
| /** |
| * Add and remove icons for this package which has been updated. |
| */ |
| public void updatePackage(Context context, String packageName, UserHandle user) { |
| LauncherApps launcherApps = (LauncherApps) |
| context.getSystemService(Context.LAUNCHER_APPS_SERVICE); |
| final List<LauncherActivityInfo> matches = launcherApps.getActivityList(packageName, |
| user); |
| if (matches.size() > 0) { |
| // Find disabled/removed activities and remove them from data and add them |
| // to the removed list. |
| for (int i = data.size() - 1; i >= 0; i--) { |
| final ApplicationInfo applicationInfo = data.get(i); |
| final ComponentName component = applicationInfo.intent.getComponent(); |
| if (user.equals(applicationInfo.user) |
| && packageName.equals(component.getPackageName())) { |
| if (!findActivity(matches, component, user)) { |
| removed.add(applicationInfo); |
| mIconCache.remove(component, user); |
| data.remove(i); |
| } |
| } |
| } |
| |
| // Find enabled activities and add them to the adapter |
| // Also updates existing activities with new labels/icons |
| int count = matches.size(); |
| for (int i = 0; i < count; i++) { |
| final LauncherActivityInfo info = matches.get(i); |
| ApplicationInfo applicationInfo = findApplicationInfoLocked( |
| info.getComponentName().getPackageName(), |
| info.getComponentName().getClassName(), |
| user); |
| if (applicationInfo == null) { |
| add(new ApplicationInfo(info, user, |
| mIconCache, null)); |
| } else { |
| mIconCache.remove(applicationInfo.componentName, user); |
| mIconCache.getTitleAndIcon(applicationInfo, info, null); |
| modified.add(applicationInfo); |
| } |
| } |
| } else { |
| // Remove all data for this package. |
| for (int i = data.size() - 1; i >= 0; i--) { |
| final ApplicationInfo applicationInfo = data.get(i); |
| final ComponentName component = applicationInfo.intent.getComponent(); |
| if (user.equals(applicationInfo.user) |
| && packageName.equals(component.getPackageName())) { |
| removed.add(applicationInfo); |
| mIconCache.remove(component, user); |
| data.remove(i); |
| } |
| } |
| } |
| } |
| |
| /** |
| * Returns whether <em>apps</em> contains <em>component</em> for a specific |
| * user profile. |
| */ |
| private static boolean findActivity(List<LauncherActivityInfo> apps, ComponentName component, |
| UserHandle user) { |
| for (LauncherActivityInfo info : apps) { |
| if (info.getUser().equals(user) |
| && info.getComponentName().equals(component)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Returns whether <em>apps</em> contains <em>component</em> for a specific |
| * user profile. |
| */ |
| private static boolean findActivity(ArrayList<ApplicationInfo> apps, ComponentName component, |
| UserHandle user) { |
| final int N = apps.size(); |
| for (int i = 0; i < N; i++) { |
| final ApplicationInfo info = apps.get(i); |
| if (info.user.equals(user) && info.componentName.equals(component)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Find an ApplicationInfo object for the given packageName, className and |
| * user profile. |
| */ |
| private ApplicationInfo findApplicationInfoLocked(String packageName, String className, |
| UserHandle user) { |
| for (ApplicationInfo info: data) { |
| final ComponentName component = info.intent.getComponent(); |
| if (user.equals(info.user) && packageName.equals(component.getPackageName()) |
| && className.equals(component.getClassName())) { |
| return info; |
| } |
| } |
| return null; |
| } |
| } |