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
17package com.android.settings.testutils.shadow;
18
19import static org.robolectric.util.ReflectionHelpers.ClassParameter.from;
20
21import android.content.Context;
22import android.os.Looper;
23import android.os.UserHandle;
24
25import com.android.internal.content.PackageMonitor;
26import com.android.internal.os.BackgroundThread;
27
28import org.robolectric.annotation.Implementation;
29import org.robolectric.annotation.Implements;
30import org.robolectric.annotation.RealObject;
31import org.robolectric.shadow.api.Shadow;
32import org.robolectric.shadows.ShadowApplication;
33import org.robolectric.shadows.ShadowMessageQueue;
34
35/*
36 * Shadow for hidden {@link PackageMonitor}.
37 */
38@Implements(value = PackageMonitor.class, isInAndroidSdk = false)
39public class ShadowPackageMonitor {
40
41    @RealObject
42    private PackageMonitor mPackageMonitor;
43
44    @Implementation
45    public void register(Context context, Looper thread, UserHandle user, boolean externalStorage) {
46        // Call through to @RealObject's method.
47        Shadow.directlyOn(mPackageMonitor, PackageMonitor.class, "register",
48                from(Context.class, context), from(Looper.class, thread),
49                from(UserHandle.class, user), from(Boolean.TYPE, externalStorage));
50        // When <code>thread</code> is null, the {@link BackgroundThread} is used. Here we have to
51        // setup background Robolectric scheduler for it.
52        if (thread == null) {
53            setupBackgroundThreadScheduler();
54        }
55    }
56
57    private static void setupBackgroundThreadScheduler() {
58        ShadowMessageQueue shadowMessageQueue = Shadow.extract(
59                BackgroundThread.getHandler().getLooper().getQueue());
60        shadowMessageQueue.setScheduler(
61                ShadowApplication.getInstance().getBackgroundThreadScheduler());
62    }
63}
64