| /* |
| * 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.launcher3; |
| |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.LauncherActivityInfo; |
| import android.os.Process; |
| import android.os.UserHandle; |
| import android.support.annotation.NonNull; |
| import android.support.annotation.Nullable; |
| import android.util.Log; |
| |
| import com.android.launcher3.compat.LauncherAppsCompat; |
| import com.android.launcher3.compat.PackageInstallerCompat; |
| import com.android.launcher3.util.FlagOp; |
| import com.android.launcher3.util.ItemInfoMatcher; |
| |
| import java.util.ArrayList; |
| import java.util.HashSet; |
| import java.util.List; |
| |
| |
| /** |
| * Stores the list of all applications for the all apps view. |
| */ |
| public class AllAppsList { |
| private static final String TAG = "AllAppsList"; |
| |
| public static final int DEFAULT_APPLICATIONS_NUMBER = 42; |
| |
| /** The list off all apps. */ |
| public final ArrayList<AppInfo> data = new ArrayList<>(DEFAULT_APPLICATIONS_NUMBER); |
| /** The list of apps that have been added since the last notify() call. */ |
| public ArrayList<AppInfo> added = new ArrayList<>(DEFAULT_APPLICATIONS_NUMBER); |
| /** The list of apps that have been removed since the last notify() call. */ |
| public ArrayList<AppInfo> removed = new ArrayList<>(); |
| /** The list of apps that have been modified since the last notify() call. */ |
| public ArrayList<AppInfo> modified = new ArrayList<>(); |
| |
| private IconCache mIconCache; |
| |
| private AppFilter mAppFilter; |
| |
| /** |
| * Boring constructor. |
| */ |
| public AllAppsList(IconCache iconCache, AppFilter appFilter) { |
| mIconCache = iconCache; |
| mAppFilter = appFilter; |
| } |
| |
| /** |
| * 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(AppInfo info, LauncherActivityInfo activityInfo) { |
| if (!mAppFilter.shouldShowApp(info.componentName)) { |
| return; |
| } |
| if (findAppInfo(info.componentName, info.user) != null) { |
| return; |
| } |
| mIconCache.getTitleAndIcon(info, activityInfo, true /* useLowResIcon */); |
| |
| data.add(info); |
| added.add(info); |
| } |
| |
| public void addPromiseApp(Context context, |
| PackageInstallerCompat.PackageInstallInfo installInfo) { |
| ApplicationInfo applicationInfo = LauncherAppsCompat.getInstance(context) |
| .getApplicationInfo(installInfo.packageName, 0, Process.myUserHandle()); |
| // only if not yet installed |
| if (applicationInfo == null) { |
| PromiseAppInfo info = new PromiseAppInfo(installInfo); |
| mIconCache.getTitleAndIcon(info, info.usingLowResIcon); |
| data.add(info); |
| added.add(info); |
| } |
| } |
| |
| public void removePromiseApp(AppInfo appInfo) { |
| // the <em>removed</em> list is handled by the caller |
| // so not adding it here |
| data.remove(appInfo); |
| } |
| |
| public void clear() { |
| data.clear(); |
| // TODO: do we clear these too? |
| added.clear(); |
| removed.clear(); |
| modified.clear(); |
| } |
| |
| public int size() { |
| return data.size(); |
| } |
| |
| public AppInfo 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) { |
| final LauncherAppsCompat launcherApps = LauncherAppsCompat.getInstance(context); |
| final List<LauncherActivityInfo> matches = launcherApps.getActivityList(packageName, |
| user); |
| |
| for (LauncherActivityInfo info : matches) { |
| add(new AppInfo(context, info, user), info); |
| } |
| } |
| |
| /** |
| * Remove the apps for the given apk identified by packageName. |
| */ |
| public void removePackage(String packageName, UserHandle user) { |
| final List<AppInfo> data = this.data; |
| for (int i = data.size() - 1; i >= 0; i--) { |
| AppInfo info = data.get(i); |
| if (info.user.equals(user) && packageName.equals(info.componentName.getPackageName())) { |
| removed.add(info); |
| data.remove(i); |
| } |
| } |
| } |
| |
| /** |
| * Updates the disabled flags of apps matching {@param matcher} based on {@param op}. |
| */ |
| public void updateDisabledFlags(ItemInfoMatcher matcher, FlagOp op) { |
| final List<AppInfo> data = this.data; |
| for (int i = data.size() - 1; i >= 0; i--) { |
| AppInfo info = data.get(i); |
| if (matcher.matches(info, info.componentName)) { |
| info.isDisabled = op.apply(info.isDisabled); |
| modified.add(info); |
| } |
| } |
| } |
| |
| public void updateIconsAndLabels(HashSet<String> packages, UserHandle user, |
| ArrayList<AppInfo> outUpdates) { |
| for (AppInfo info : data) { |
| if (info.user.equals(user) && packages.contains(info.componentName.getPackageName())) { |
| mIconCache.updateTitleAndIcon(info); |
| outUpdates.add(info); |
| } |
| } |
| } |
| |
| /** |
| * Add and remove icons for this package which has been updated. |
| */ |
| public void updatePackage(Context context, String packageName, UserHandle user) { |
| final LauncherAppsCompat launcherApps = LauncherAppsCompat.getInstance(context); |
| 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 AppInfo applicationInfo = data.get(i); |
| if (user.equals(applicationInfo.user) |
| && packageName.equals(applicationInfo.componentName.getPackageName())) { |
| if (!findActivity(matches, applicationInfo.componentName)) { |
| Log.w(TAG, "Shortcut will be removed due to app component name change."); |
| removed.add(applicationInfo); |
| data.remove(i); |
| } |
| } |
| } |
| |
| // Find enabled activities and add them to the adapter |
| // Also updates existing activities with new labels/icons |
| for (final LauncherActivityInfo info : matches) { |
| AppInfo applicationInfo = findAppInfo(info.getComponentName(), user); |
| if (applicationInfo == null) { |
| add(new AppInfo(context, info, user), info); |
| } else { |
| mIconCache.getTitleAndIcon(applicationInfo, info, true /* useLowResIcon */); |
| modified.add(applicationInfo); |
| } |
| } |
| } else { |
| // Remove all data for this package. |
| for (int i = data.size() - 1; i >= 0; i--) { |
| final AppInfo applicationInfo = data.get(i); |
| if (user.equals(applicationInfo.user) |
| && packageName.equals(applicationInfo.componentName.getPackageName())) { |
| removed.add(applicationInfo); |
| mIconCache.remove(applicationInfo.componentName, user); |
| data.remove(i); |
| } |
| } |
| } |
| } |
| |
| |
| /** |
| * Returns whether <em>apps</em> contains <em>component</em>. |
| */ |
| private static boolean findActivity(List<LauncherActivityInfo> apps, |
| ComponentName component) { |
| for (LauncherActivityInfo info : apps) { |
| if (info.getComponentName().equals(component)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Find an AppInfo object for the given componentName |
| * |
| * @return the corresponding AppInfo or null |
| */ |
| private @Nullable AppInfo findAppInfo(@NonNull ComponentName componentName, |
| @NonNull UserHandle user) { |
| for (AppInfo info: data) { |
| if (componentName.equals(info.componentName) && user.equals(info.user)) { |
| return info; |
| } |
| } |
| return null; |
| } |
| } |