DrmManagerService.h revision 3473846f64f5b28e1cbeb70ef5867073fc93159e 
1/*
2 * Copyright (C) 2010 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 __DRM_MANAGER_SERVICE_H__
18#define __DRM_MANAGER_SERVICE_H__
19
20#include <utils/RefBase.h>
21#include <utils/KeyedVector.h>
22#include <binder/IInterface.h>
23#include <binder/Parcel.h>
24#include "IDrmManagerService.h"
25#include "IDrmServiceListener.h"
26
27namespace android {
28
29class DrmManager;
30class String8;
31class Mutex;
32
33/**
34 * This is the implementation class for DRM manager service. This delegates
35 * the responsibility to DrmManager.
36 *
37 * The instance of this class is created while starting the DRM manager service.
38 *
39 */
40class DrmManagerService : public BnDrmManagerService {
41public:
42    static void instantiate();
43
44private:
45    DrmManagerService();
46    virtual ~DrmManagerService();
47
48public:
49    int addUniqueId(int uniqueId);
50
51    void removeUniqueId(int uniqueId);
52
53    void addClient(int uniqueId);
54
55    void removeClient(int uniqueId);
56
57    status_t setDrmServiceListener(
58            int uniqueId, const sp<IDrmServiceListener>& drmServiceListener);
59
60    status_t installDrmEngine(int uniqueId, const String8& drmEngineFile);
61
62    DrmConstraints* getConstraints(int uniqueId, const String8* path, const int action);
63
64    DrmMetadata* getMetadata(int uniqueId, const String8* path);
65
66    bool canHandle(int uniqueId, const String8& path, const String8& mimeType);
67
68    DrmInfoStatus* processDrmInfo(int uniqueId, const DrmInfo* drmInfo);
69
70    DrmInfo* acquireDrmInfo(int uniqueId, const DrmInfoRequest* drmInforequest);
71
72    status_t saveRights(int uniqueId, const DrmRights& drmRights,
73            const String8& rightsPath, const String8& contentPath);
74
75    String8 getOriginalMimeType(int uniqueId, const String8& path);
76
77    int getDrmObjectType(int uniqueId, const String8& path, const String8& mimeType);
78
79    int checkRightsStatus(int uniqueId, const String8& path,int action);
80
81    status_t consumeRights(int uniqueId, DecryptHandle* decryptHandle, int action, bool reserve);
82
83    status_t setPlaybackStatus(
84            int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int position);
85
86    bool validateAction(int uniqueId, const String8& path,
87            int action, const ActionDescription& description);
88
89    status_t removeRights(int uniqueId, const String8& path);
90
91    status_t removeAllRights(int uniqueId);
92
93    int openConvertSession(int uniqueId, const String8& mimeType);
94
95    DrmConvertedStatus* convertData(int uniqueId, int convertId, const DrmBuffer* inputData);
96
97    DrmConvertedStatus* closeConvertSession(int uniqueId, int convertId);
98
99    status_t getAllSupportInfo(int uniqueId, int* length, DrmSupportInfo** drmSupportInfoArray);
100
101    DecryptHandle* openDecryptSession(int uniqueId, int fd, int offset, int length);
102
103    DecryptHandle* openDecryptSession(int uniqueId, const char* uri);
104
105    status_t closeDecryptSession(int uniqueId, DecryptHandle* decryptHandle);
106
107    status_t initializeDecryptUnit(int uniqueId, DecryptHandle* decryptHandle,
108            int decryptUnitId, const DrmBuffer* headerInfo);
109
110    status_t decrypt(int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId,
111            const DrmBuffer* encBuffer, DrmBuffer** decBuffer, DrmBuffer* IV);
112
113    status_t finalizeDecryptUnit(int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId);
114
115    ssize_t pread(int uniqueId, DecryptHandle* decryptHandle,
116            void* buffer, ssize_t numBytes, off_t offset);
117
118private:
119    DrmManager* mDrmManager;
120};
121
122};
123
124#endif /* __DRM_MANAGER_SERVICE_H__ */
125
126