1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "ppapi/c/pp_errors.h" 6 #include "ppapi/c/private/ppb_flash_file.h" 7 #include "ppapi/thunk/enter.h" 8 #include "ppapi/thunk/ppb_file_ref_api.h" 9 #include "ppapi/thunk/ppb_flash_file_api.h" 10 #include "ppapi/thunk/thunk.h" 11 12 namespace ppapi { 13 namespace thunk { 14 15 namespace { 16 17 // Returns 0 on failure. 18 PP_Instance GetInstanceFromFileRef(PP_Resource file_ref) { 19 thunk::EnterResource<thunk::PPB_FileRef_API> enter(file_ref, true); 20 if (enter.failed()) 21 return 0; 22 return enter.resource()->pp_instance(); 23 } 24 25 int32_t OpenFile(PP_Resource file_ref_id, int32_t mode, PP_FileHandle* file) { 26 // TODO(brettw): this function should take an instance. 27 // To work around this, use the PP_Instance from the resource. 28 PP_Instance instance = GetInstanceFromFileRef(file_ref_id); 29 EnterInstanceAPI<PPB_Flash_File_API> enter(instance); 30 if (enter.failed()) 31 return PP_ERROR_BADARGUMENT; 32 return enter.functions()->OpenFileRef(instance, file_ref_id, mode, file); 33 } 34 35 int32_t QueryFile(PP_Resource file_ref_id, struct PP_FileInfo* info) { 36 // TODO(brettw): this function should take an instance. 37 // To work around this, use the PP_Instance from the resource. 38 PP_Instance instance = GetInstanceFromFileRef(file_ref_id); 39 EnterInstanceAPI<PPB_Flash_File_API> enter(instance); 40 if (enter.failed()) 41 return PP_ERROR_BADARGUMENT; 42 return enter.functions()->QueryFileRef(instance, file_ref_id, info); 43 } 44 45 const PPB_Flash_File_FileRef g_ppb_flash_file_fileref_thunk = { 46 &OpenFile, 47 &QueryFile 48 }; 49 50 } // namespace 51 52 const PPB_Flash_File_FileRef* GetPPB_Flash_File_FileRef_Thunk() { 53 return &g_ppb_flash_file_fileref_thunk; 54 } 55 56 } // namespace thunk 57 } // namespace ppapi 58
