1/*
2 * Copyright 2018 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 androidx.media;
18
19import android.content.Context;
20import android.content.pm.PackageManager;
21
22import androidx.annotation.NonNull;
23import androidx.annotation.RequiresApi;
24
25@RequiresApi(21)
26class MediaSessionManagerImplApi21 extends MediaSessionManagerImplBase {
27    MediaSessionManagerImplApi21(Context context) {
28        super(context);
29        mContext = context;
30    }
31
32    @Override
33    public boolean isTrustedForMediaControl(
34            @NonNull MediaSessionManager.RemoteUserInfoImpl userInfo) {
35
36        return hasMediaControlPermission(userInfo) || super.isTrustedForMediaControl(userInfo);
37    }
38
39    /**
40     * Checks the caller has android.Manifest.permission.MEDIA_CONTENT_CONTROL permission.
41     */
42    private boolean hasMediaControlPermission(
43            @NonNull MediaSessionManager.RemoteUserInfoImpl userInfo) {
44        return getContext().checkPermission(
45                android.Manifest.permission.MEDIA_CONTENT_CONTROL,
46                userInfo.getPid(), userInfo.getUid()) == PackageManager.PERMISSION_GRANTED;
47    }
48}
49