1 /* ------------------------------------------------------------------ 2 * Copyright (C) 1998-2009 PacketVideo 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 13 * express or implied. 14 * See the License for the specific language governing permissions 15 * and limitations under the License. 16 * ------------------------------------------------------------------- 17 */ 18 #ifndef PVMF_CPMPLUGIN_ACCESS_INTERFACE_FACTORY_H_INCLUDED 19 #define PVMF_CPMPLUGIN_ACCESS_INTERFACE_FACTORY_H_INCLUDED 20 21 #ifndef OSCL_BASE_H_INCLUDED 22 #include "oscl_base.h" 23 #endif 24 #ifndef OSCL_MEM_H_INCLUDED 25 #include "oscl_mem.h" 26 #endif 27 #ifndef OSCL_TYPES_H_INCLUDED 28 #include "oscl_types.h" 29 #endif 30 #ifndef OSCL_VECTOR_H_INCLUDED 31 #include "oscl_vector.h" 32 #endif 33 #ifndef PV_UUID_H_INCLUDED 34 #include "pv_uuid.h" 35 #endif 36 #ifndef PV_INTERFACE_H_INCLUDED 37 #include "pv_interface.h" 38 #endif 39 #ifndef PVMF_RETURN_CODES_H_INCLUDED 40 #include"pvmf_return_codes.h" 41 #endif 42 43 #define PVMF_CPMPLUGIN_ACCESS_INTERFACE_FACTORY_MIMETYPE "pvxxx/pvmf/cpm/plugin/access_interface_factory" 44 #define PVMFCPMPluginAccessInterfaceFactoryUuid PVUuid(0x8b0ccfbb,0x48d6,0x4f1d,0xa9,0x9f,0x41,0xb8,0xdb,0xe8,0xf9,0x1c) 45 46 class PVMFCPMPluginAccessInterface; 47 class PVMFDataStreamReadCapacityObserver; 48 49 /** 50 * Base Content Access Interface for all Content Policy Manager Plugins 51 */ 52 class PVMFCPMPluginAccessInterfaceFactory : public PVInterface 53 { 54 public: 55 virtual PVMFStatus QueryAccessInterfaceUUIDs(Oscl_Vector<PVUuid, OsclMemAllocator>& aUuids) = 0; 56 virtual PVInterface* CreatePVMFCPMPluginAccessInterface(PVUuid& aUuid) = 0; 57 virtual void DestroyPVMFCPMPluginAccessInterface(PVUuid& aUuid, 58 PVInterface* aPtr) = 0; 59 /** 60 * Sometimes datastream implementations need to rely on an external source 61 * to provide them with updated stream size (take a case of progressive dowmnload 62 * where in module A is doing the download and module B is doing the reads). This 63 * API is one way to make these datastreams connect with each other. 64 */ 65 virtual void SetStreamReadCapacityObserver(PVMFDataStreamReadCapacityObserver* aObs) 66 { 67 OSCL_UNUSED_ARG(aObs); 68 OSCL_LEAVE(OsclErrNotSupported); 69 } 70 }; 71 72 #endif //PVMF_CPMPLUGIN_ACCESS_INTERFACE_FACTORY_H_INCLUDED 73 74