IDrmManagerService.h revision a2cd44cb5067b4fe98794860690394254d3ac73c 
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 __IDRM_MANAGER_SERVICE_H__
18#define __IDRM_MANAGER_SERVICE_H__
19
20#include <utils/RefBase.h>
21#include <binder/IInterface.h>
22#include <binder/Parcel.h>
23#include <drm/drm_framework_common.h>
24#include "IDrmServiceListener.h"
25
26namespace android {
27
28class DrmContentIds;
29class DrmConstraints;
30class DrmRights;
31class DrmInfo;
32class DrmInfoStatus;
33class DrmInfoRequest;
34class DrmSupportInfo;
35class DrmConvertedStatus;
36class String8;
37class ActionDescription;
38
39/**
40 * This is the interface class for DRM Manager service.
41 *
42 */
43class IDrmManagerService : public IInterface
44{
45public:
46    enum {
47        ADD_UNIQUEID = IBinder::FIRST_CALL_TRANSACTION,
48        REMOVE_UNIQUEID,
49        ADD_CLIENT,
50        REMOVE_CLIENT,
51        SET_DRM_SERVICE_LISTENER,
52        INSTALL_DRM_ENGINE,
53        GET_CONSTRAINTS_FROM_CONTENT,
54        CAN_HANDLE,
55        PROCESS_DRM_INFO,
56        ACQUIRE_DRM_INFO,
57        SAVE_RIGHTS,
58        GET_ORIGINAL_MIMETYPE,
59        GET_DRM_OBJECT_TYPE,
60        CHECK_RIGHTS_STATUS,
61        CONSUME_RIGHTS,
62        SET_PLAYBACK_STATUS,
63        VALIDATE_ACTION,
64        REMOVE_RIGHTS,
65        REMOVE_ALL_RIGHTS,
66        OPEN_CONVERT_SESSION,
67        CONVERT_DATA,
68        CLOSE_CONVERT_SESSION,
69        GET_ALL_SUPPORT_INFO,
70        OPEN_DECRYPT_SESSION,
71        OPEN_DECRYPT_SESSION_FROM_URI,
72        CLOSE_DECRYPT_SESSION,
73        INITIALIZE_DECRYPT_UNIT,
74        DECRYPT,
75        FINALIZE_DECRYPT_UNIT,
76        PREAD
77    };
78
79public:
80    DECLARE_META_INTERFACE(DrmManagerService);
81
82public:
83    virtual int addUniqueId(int uniqueId) = 0;
84
85    virtual void removeUniqueId(int uniqueId) = 0;
86
87    virtual void addClient(int uniqueId) = 0;
88
89    virtual void removeClient(int uniqueId) = 0;
90
91    virtual status_t setDrmServiceListener(
92            int uniqueId, const sp<IDrmServiceListener>& infoListener) = 0;
93
94    virtual status_t installDrmEngine(int uniqueId, const String8& drmEngineFile) = 0;
95
96    virtual DrmConstraints* getConstraints(
97            int uniqueId, const String8* path, const int action) = 0;
98
99    virtual bool canHandle(int uniqueId, const String8& path, const String8& mimeType) = 0;
100
101    virtual DrmInfoStatus* processDrmInfo(int uniqueId, const DrmInfo* drmInfo) = 0;
102
103    virtual DrmInfo* acquireDrmInfo(int uniqueId, const DrmInfoRequest* drmInforequest) = 0;
104
105    virtual status_t saveRights(int uniqueId, const DrmRights& drmRights,
106            const String8& rightsPath, const String8& contentPath) = 0;
107
108    virtual String8 getOriginalMimeType(int uniqueId, const String8& path) = 0;
109
110    virtual int getDrmObjectType(
111            int uniqueId, const String8& path, const String8& mimeType) = 0;
112
113    virtual int checkRightsStatus(int uniqueId, const String8& path, int action) = 0;
114
115    virtual status_t consumeRights(
116            int uniqueId, DecryptHandle* decryptHandle, int action, bool reserve) = 0;
117
118    virtual status_t setPlaybackStatus(
119            int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int64_t position) = 0;
120
121    virtual bool validateAction(
122            int uniqueId, const String8& path,
123            int action, const ActionDescription& description) = 0;
124
125    virtual status_t removeRights(int uniqueId, const String8& path) = 0;
126
127    virtual status_t removeAllRights(int uniqueId) = 0;
128
129    virtual int openConvertSession(int uniqueId, const String8& mimeType) = 0;
130
131    virtual DrmConvertedStatus* convertData(
132            int uniqueId, int convertId, const DrmBuffer* inputData) = 0;
133
134    virtual DrmConvertedStatus* closeConvertSession(int uniqueId, int convertId) = 0;
135
136    virtual status_t getAllSupportInfo(
137            int uniqueId, int* length, DrmSupportInfo** drmSupportInfoArray) = 0;
138
139    virtual DecryptHandle* openDecryptSession(int uniqueId, int fd, off64_t offset, off64_t length) = 0;
140
141    virtual DecryptHandle* openDecryptSession(int uniqueId, const char* uri) = 0;
142
143    virtual status_t closeDecryptSession(int uniqueId, DecryptHandle* decryptHandle) = 0;
144
145    virtual status_t initializeDecryptUnit(int uniqueId, DecryptHandle* decryptHandle,
146            int decryptUnitId, const DrmBuffer* headerInfo) = 0;
147
148    virtual status_t decrypt(int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId,
149            const DrmBuffer* encBuffer, DrmBuffer** decBuffer, DrmBuffer* IV) = 0;
150
151    virtual status_t finalizeDecryptUnit(
152            int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId) = 0;
153
154    virtual ssize_t pread(int uniqueId, DecryptHandle* decryptHandle,
155            void* buffer, ssize_t numBytes,off64_t offset) = 0;
156};
157
158/**
159 * This is the Binder implementation class for DRM Manager service.
160 */
161class BpDrmManagerService: public BpInterface<IDrmManagerService>
162{
163public:
164    BpDrmManagerService(const sp<IBinder>& impl)
165            : BpInterface<IDrmManagerService>(impl) {}
166
167    virtual int addUniqueId(int uniqueId);
168
169    virtual void removeUniqueId(int uniqueId);
170
171    virtual void addClient(int uniqueId);
172
173    virtual void removeClient(int uniqueId);
174
175    virtual status_t setDrmServiceListener(
176            int uniqueId, const sp<IDrmServiceListener>& infoListener);
177
178    virtual status_t installDrmEngine(int uniqueId, const String8& drmEngineFile);
179
180    virtual DrmConstraints* getConstraints(int uniqueId, const String8* path, const int action);
181
182    virtual bool canHandle(int uniqueId, const String8& path, const String8& mimeType);
183
184    virtual DrmInfoStatus* processDrmInfo(int uniqueId, const DrmInfo* drmInfo);
185
186    virtual DrmInfo* acquireDrmInfo(int uniqueId, const DrmInfoRequest* drmInforequest);
187
188    virtual status_t saveRights(int uniqueId, const DrmRights& drmRights,
189            const String8& rightsPath, const String8& contentPath);
190
191    virtual String8 getOriginalMimeType(int uniqueId, const String8& path);
192
193    virtual int getDrmObjectType(int uniqueId, const String8& path, const String8& mimeType);
194
195    virtual int checkRightsStatus(int uniqueId, const String8& path, int action);
196
197    virtual status_t consumeRights(
198            int uniqueId, DecryptHandle* decryptHandle, int action, bool reserve);
199
200    virtual status_t setPlaybackStatus(
201            int uniqueId, DecryptHandle* decryptHandle, int playbackStatus, int64_t position);
202
203    virtual bool validateAction(
204            int uniqueId, const String8& path, int action, const ActionDescription& description);
205
206    virtual status_t removeRights(int uniqueId, const String8& path);
207
208    virtual status_t removeAllRights(int uniqueId);
209
210    virtual int openConvertSession(int uniqueId, const String8& mimeType);
211
212    virtual DrmConvertedStatus* convertData(
213            int uniqueId, int convertId, const DrmBuffer* inputData);
214
215    virtual DrmConvertedStatus* closeConvertSession(int uniqueId, int convertId);
216
217    virtual status_t getAllSupportInfo(
218            int uniqueId, int* length, DrmSupportInfo** drmSupportInfoArray);
219
220    virtual DecryptHandle* openDecryptSession(int uniqueId, int fd, off64_t offset, off64_t length);
221
222    virtual DecryptHandle* openDecryptSession(int uniqueId, const char* uri);
223
224    virtual status_t closeDecryptSession(int uniqueId, DecryptHandle* decryptHandle);
225
226    virtual status_t initializeDecryptUnit(int uniqueId, DecryptHandle* decryptHandle,
227            int decryptUnitId, const DrmBuffer* headerInfo);
228
229    virtual status_t decrypt(int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId,
230            const DrmBuffer* encBuffer, DrmBuffer** decBuffer, DrmBuffer* IV);
231
232    virtual status_t finalizeDecryptUnit(
233            int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId);
234
235    virtual ssize_t pread(int uniqueId, DecryptHandle* decryptHandle,
236            void* buffer, ssize_t numBytes, off64_t offset);
237};
238
239/**
240 * This is the Binder implementation class for DRM Manager service.
241 */
242class BnDrmManagerService: public BnInterface<IDrmManagerService>
243{
244public:
245    virtual status_t onTransact(
246            uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags = 0);
247};
248
249};
250
251#endif /* __IDRM_MANAGER_SERVICE_H__ */
252
253