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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.WorkspaceItemInfo;
24 import com.android.launcher3.icons.IconCache;
25 import com.android.launcher3.ItemInfo;
26 import com.android.launcher3.LauncherAppState;
27 import com.android.launcher3.LauncherModel.CallbackTask;
28 import com.android.launcher3.LauncherModel.Callbacks;
29 import com.android.launcher3.LauncherSettings;
30 
31 import java.util.ArrayList;
32 import java.util.HashSet;
33 
34 /**
35  * Handles changes due to cache updates.
36  */
37 public 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 
CacheDataUpdatedTask(int op, UserHandle user, HashSet<String> packages)46     public CacheDataUpdatedTask(int op, UserHandle user, HashSet<String> packages) {
47         mOp = op;
48         mUser = user;
49         mPackages = packages;
50     }
51 
52     @Override
execute(LauncherAppState app, BgDataModel dataModel, AllAppsList apps)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<WorkspaceItemInfo> updatedShortcuts = new ArrayList<>();
59         synchronized (dataModel) {
60             for (ItemInfo info : dataModel.itemsIdMap) {
61                 if (info instanceof WorkspaceItemInfo && mUser.equals(info.user)) {
62                     WorkspaceItemInfo si = (WorkspaceItemInfo) 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         bindUpdatedWorkspaceItems(updatedShortcuts);
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 
isValidShortcut(WorkspaceItemInfo si)86     public boolean isValidShortcut(WorkspaceItemInfo 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