1/* 2 * Copyright (C) 2016 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 */ 16package com.android.launcher3.model; 17 18import android.content.ComponentName; 19import android.os.UserHandle; 20 21import com.android.launcher3.AllAppsList; 22import com.android.launcher3.AppInfo; 23import com.android.launcher3.IconCache; 24import com.android.launcher3.ItemInfo; 25import com.android.launcher3.LauncherAppState; 26import com.android.launcher3.LauncherModel.CallbackTask; 27import com.android.launcher3.LauncherModel.Callbacks; 28import com.android.launcher3.LauncherSettings; 29import com.android.launcher3.ShortcutInfo; 30 31import java.util.ArrayList; 32import java.util.HashSet; 33 34/** 35 * Handles changes due to cache updates. 36 */ 37public class CacheDataUpdatedTask extends BaseModelUpdateTask { 38 39 public static final int OP_CACHE_UPDATE = 1; 40 public static final int OP_SESSION_UPDATE = 2; 41 42 private final int mOp; 43 private final UserHandle mUser; 44 private final HashSet<String> mPackages; 45 46 public CacheDataUpdatedTask(int op, UserHandle user, HashSet<String> packages) { 47 mOp = op; 48 mUser = user; 49 mPackages = packages; 50 } 51 52 @Override 53 public void execute(LauncherAppState app, BgDataModel dataModel, AllAppsList apps) { 54 IconCache iconCache = app.getIconCache(); 55 56 final ArrayList<AppInfo> updatedApps = new ArrayList<>(); 57 58 ArrayList<ShortcutInfo> updatedShortcuts = new ArrayList<>(); 59 synchronized (dataModel) { 60 for (ItemInfo info : dataModel.itemsIdMap) { 61 if (info instanceof ShortcutInfo && mUser.equals(info.user)) { 62 ShortcutInfo si = (ShortcutInfo) info; 63 ComponentName cn = si.getTargetComponent(); 64 if (si.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION 65 && isValidShortcut(si) && cn != null 66 && mPackages.contains(cn.getPackageName())) { 67 iconCache.getTitleAndIcon(si, si.usingLowResIcon); 68 updatedShortcuts.add(si); 69 } 70 } 71 } 72 apps.updateIconsAndLabels(mPackages, mUser, updatedApps); 73 } 74 bindUpdatedShortcuts(updatedShortcuts, mUser); 75 76 if (!updatedApps.isEmpty()) { 77 scheduleCallbackTask(new CallbackTask() { 78 @Override 79 public void execute(Callbacks callbacks) { 80 callbacks.bindAppsAddedOrUpdated(updatedApps); 81 } 82 }); 83 } 84 } 85 86 public boolean isValidShortcut(ShortcutInfo si) { 87 switch (mOp) { 88 case OP_CACHE_UPDATE: 89 return true; 90 case OP_SESSION_UPDATE: 91 return si.hasPromiseIconUi(); 92 default: 93 return false; 94 } 95 } 96} 97