DrmManagerService.h revision 2272ee27d9022d173b6eab45c409b3c3f57f30ec
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 status_t loadPlugIns(int uniqueId); 54 55 status_t loadPlugIns(int uniqueId, const String8& plugInDirPath); 56 57 status_t setDrmServiceListener( 58 int uniqueId, const sp<IDrmServiceListener>& drmServiceListener); 59 60 status_t unloadPlugIns(int uniqueId); 61 62 status_t installDrmEngine(int uniqueId, const String8& drmEngineFile); 63 64 DrmConstraints* getConstraints(int uniqueId, const String8* path, const int action); 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 status_t closeDecryptSession(int uniqueId, DecryptHandle* decryptHandle); 104 105 status_t initializeDecryptUnit(int uniqueId, DecryptHandle* decryptHandle, 106 int decryptUnitId, const DrmBuffer* headerInfo); 107 108 status_t decrypt(int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId, 109 const DrmBuffer* encBuffer, DrmBuffer** decBuffer, DrmBuffer* IV); 110 111 status_t finalizeDecryptUnit(int uniqueId, DecryptHandle* decryptHandle, int decryptUnitId); 112 113 ssize_t pread(int uniqueId, DecryptHandle* decryptHandle, 114 void* buffer, ssize_t numBytes, off_t offset); 115 116private: 117 DrmManager* mDrmManager; 118}; 119 120}; 121 122#endif /* __DRM_MANAGER_SERVICE_H__ */ 123 124