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 27 namespace android { 28 29 class DrmManager; 30 class String8; 31 class 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 */ 40 class DrmManagerService : public BnDrmManagerService { 41 public: 42 static void instantiate(); 43 44 private: 45 DrmManagerService(); 46 virtual ~DrmManagerService(); 47 48 public: 49 int addUniqueId(bool isNative); 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, int fd); 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, int64_t 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( 102 int uniqueId, int fd, off64_t offset, off64_t length, const char *mime); 103 104 DecryptHandle* openDecryptSession( 105 int uniqueId, const char* uri, const char* mime); 106 107 DecryptHandle* openDecryptSession(int uniqueId, const DrmBuffer& buf, 108 const String8& mimeType); 109 110 status_t closeDecryptSession(int uniqueId, DecryptHandle* decryptHandle); 111 112 status_t initializeDecryptUnit(int uniqueId, DecryptHandle* decryptHandle, 113 int decryptUnitId, const DrmBuffer* headerInfo); 114 115 status_t decrypt(int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId, 116 const DrmBuffer* encBuffer, DrmBuffer** decBuffer, DrmBuffer* IV); 117 118 status_t finalizeDecryptUnit(int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId); 119 120 ssize_t pread(int uniqueId, DecryptHandle* decryptHandle, 121 void* buffer, ssize_t numBytes, off64_t offset); 122 123 virtual status_t dump(int fd, const Vector<String16>& args); 124 125 private: 126 DrmManager* mDrmManager; 127 }; 128 129 }; 130 131 #endif /* __DRM_MANAGER_SERVICE_H__ */ 132 133