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 */ 16 package com.android.launcher3.model; 17 18 import android.content.ComponentName; 19 import android.os.UserHandle; 20 21 import com.android.launcher3.AllAppsList; 22 import com.android.launcher3.AppInfo; 23 import com.android.launcher3.IconCache; 24 import com.android.launcher3.ItemInfo; 25 import com.android.launcher3.LauncherAppState; 26 import com.android.launcher3.LauncherModel.CallbackTask; 27 import com.android.launcher3.LauncherModel.Callbacks; 28 import com.android.launcher3.LauncherSettings; 29 import com.android.launcher3.LauncherSettings.Favorites; 30 import com.android.launcher3.ShortcutInfo; 31 32 import java.util.ArrayList; 33 import java.util.HashSet; 34 35 /** 36 * Handles changes due to cache updates. 37 */ 38 public class CacheDataUpdatedTask extends ExtendedModelTask { 39 40 public static final int OP_CACHE_UPDATE = 1; 41 public static final int OP_SESSION_UPDATE = 2; 42 43 private final int mOp; 44 private final UserHandle mUser; 45 private final HashSet<String> mPackages; 46 CacheDataUpdatedTask(int op, UserHandle user, HashSet<String> packages)47 public CacheDataUpdatedTask(int op, UserHandle user, HashSet<String> packages) { 48 mOp = op; 49 mUser = user; 50 mPackages = packages; 51 } 52 53 @Override execute(LauncherAppState app, BgDataModel dataModel, AllAppsList apps)54 public void execute(LauncherAppState app, BgDataModel dataModel, AllAppsList apps) { 55 IconCache iconCache = app.getIconCache(); 56 57 final ArrayList<AppInfo> updatedApps = new ArrayList<>(); 58 59 ArrayList<ShortcutInfo> updatedShortcuts = new ArrayList<>(); 60 synchronized (dataModel) { 61 for (ItemInfo info : dataModel.itemsIdMap) { 62 if (info instanceof ShortcutInfo && mUser.equals(info.user)) { 63 ShortcutInfo si = (ShortcutInfo) info; 64 ComponentName cn = si.getTargetComponent(); 65 if (si.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION 66 && isValidShortcut(si) && cn != null 67 && mPackages.contains(cn.getPackageName())) { 68 iconCache.getTitleAndIcon(si, si.usingLowResIcon); 69 updatedShortcuts.add(si); 70 } 71 } 72 } 73 apps.updateIconsAndLabels(mPackages, mUser, updatedApps); 74 } 75 bindUpdatedShortcuts(updatedShortcuts, mUser); 76 77 if (!updatedApps.isEmpty()) { 78 scheduleCallbackTask(new CallbackTask() { 79 @Override 80 public void execute(Callbacks callbacks) { 81 callbacks.bindAppsUpdated(updatedApps); 82 } 83 }); 84 } 85 } 86 isValidShortcut(ShortcutInfo si)87 public boolean isValidShortcut(ShortcutInfo si) { 88 switch (mOp) { 89 case OP_CACHE_UPDATE: 90 return true; 91 case OP_SESSION_UPDATE: 92 return si.isPromise(); 93 default: 94 return false; 95 } 96 } 97 } 98