ShortcutNonPersistentUser.java revision 708703bf39801027b616bcc43c650889bf0ef571 
1/*
2 * Copyright (C) 2017 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.server.pm;
17
18import android.annotation.NonNull;
19import android.annotation.Nullable;
20import android.util.ArrayMap;
21import android.util.ArraySet;
22
23import com.android.server.pm.ShortcutService.DumpFilter;
24
25import java.io.PrintWriter;
26
27/**
28 * This class holds per-user information for {@link ShortcutService} that doesn't have to be
29 * persisted and is kept in-memory.
30 *
31 * The access to it must be guarded with the shortcut manager lock.
32 */
33public class ShortcutNonPersistentUser {
34    private final ShortcutService mService;
35
36    private final int mUserId;
37
38    /**
39     * Keep track of additional packages that other parts of the system have said are
40     * allowed to access shortcuts.  The key is the part of the system it came from,
41     * the value is the package name that has access.  We don't persist these because
42     * at boot all relevant system services will push this data back to us they do their
43     * normal evaluation of the state of the world.
44     */
45    private final ArrayMap<String, String> mHostPackages = new ArrayMap<>();
46
47    /**
48     * Set of package name values from above.
49     */
50    private final ArraySet<String> mHostPackageSet = new ArraySet<>();
51
52    public ShortcutNonPersistentUser(ShortcutService service, int userId) {
53        mService = service;
54        mUserId = userId;
55    }
56
57    public int getUserId() {
58        return mUserId;
59    }
60
61    public void setShortcutHostPackage(@NonNull String type, @Nullable String packageName) {
62        if (packageName != null) {
63            mHostPackages.put(type, packageName);
64        } else {
65            mHostPackages.remove(type);
66        }
67
68        mHostPackageSet.clear();
69        for (int i = 0; i < mHostPackages.size(); i++) {
70            mHostPackageSet.add(mHostPackages.valueAt(i));
71        }
72    }
73
74    public boolean hasHostPackage(@NonNull String packageName) {
75        return mHostPackageSet.contains(packageName);
76    }
77
78    public void dump(@NonNull PrintWriter pw, @NonNull String prefix, DumpFilter filter) {
79        if (filter.shouldDumpDetails()) {
80            if (mHostPackages.size() > 0) {
81                pw.print(prefix);
82                pw.print("Non-persistent: user ID:");
83                pw.println(mUserId);
84
85                pw.print(prefix);
86                pw.println("  Host packages:");
87                for (int i = 0; i < mHostPackages.size(); i++) {
88                    pw.print(prefix);
89                    pw.print("    ");
90                    pw.print(mHostPackages.keyAt(i));
91                    pw.print(": ");
92                    pw.println(mHostPackages.valueAt(i));
93                }
94                pw.println();
95            }
96        }
97    }
98}
99