1 /*
2  * Copyright 2013, 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 
17 #ifndef _ANDROID_MEDIA_DRM_H_
18 #define _ANDROID_MEDIA_DRM_H_
19 
20 #include "jni.h"
21 
22 #include <media/stagefright/foundation/ABase.h>
23 #include <media/IDrm.h>
24 #include <media/IDrmClient.h>
25 #include <utils/Errors.h>
26 #include <utils/RefBase.h>
27 
28 namespace android {
29 
30 struct IDrm;
31 
32 class DrmListener: virtual public RefBase
33 {
34 public:
35     virtual void notify(DrmPlugin::EventType eventType, int extra,
36                         const Parcel *obj) = 0;
37 };
38 
39 struct JDrm : public BnDrmClient {
40     static bool IsCryptoSchemeSupported(const uint8_t uuid[16], const String8 &mimeType);
41 
42     JDrm(JNIEnv *env, jobject thiz, const uint8_t uuid[16]);
43 
44     status_t initCheck() const;
getDrmJDrm45     sp<IDrm> getDrm() { return mDrm; }
46 
47     void notify(DrmPlugin::EventType, int extra, const Parcel *obj);
48     status_t setListener(const sp<DrmListener>& listener);
49 
50     void disconnect();
51 
52 protected:
53     virtual ~JDrm();
54 
55 private:
56     jweak mObject;
57     sp<IDrm> mDrm;
58 
59     sp<DrmListener> mListener;
60     Mutex mNotifyLock;
61     Mutex mLock;
62 
63     static sp<IDrm> MakeDrm();
64     static sp<IDrm> MakeDrm(const uint8_t uuid[16]);
65 
66     DISALLOW_EVIL_CONSTRUCTORS(JDrm);
67 };
68 
69 }  // namespace android
70 
71 #endif  // _ANDROID_MEDIA_DRM_H_
72