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 // From ppb_file_io.idl modified Thu Oct 31 12:30:06 2013. 6 7 #include "ppapi/c/pp_completion_callback.h" 8 #include "ppapi/c/pp_errors.h" 9 #include "ppapi/c/ppb_file_io.h" 10 #include "ppapi/shared_impl/tracked_callback.h" 11 #include "ppapi/thunk/enter.h" 12 #include "ppapi/thunk/ppapi_thunk_export.h" 13 #include "ppapi/thunk/ppb_file_io_api.h" 14 15 namespace ppapi { 16 namespace thunk { 17 18 namespace { 19 20 PP_Resource Create(PP_Instance instance) { 21 VLOG(4) << "PPB_FileIO::Create()"; 22 EnterResourceCreation enter(instance); 23 if (enter.failed()) 24 return 0; 25 return enter.functions()->CreateFileIO(instance); 26 } 27 28 PP_Bool IsFileIO(PP_Resource resource) { 29 VLOG(4) << "PPB_FileIO::IsFileIO()"; 30 EnterResource<PPB_FileIO_API> enter(resource, false); 31 return PP_FromBool(enter.succeeded()); 32 } 33 34 int32_t Open(PP_Resource file_io, 35 PP_Resource file_ref, 36 int32_t open_flags, 37 struct PP_CompletionCallback callback) { 38 VLOG(4) << "PPB_FileIO::Open()"; 39 EnterResource<PPB_FileIO_API> enter(file_io, callback, true); 40 if (enter.failed()) 41 return enter.retval(); 42 return enter.SetResult(enter.object()->Open(file_ref, 43 open_flags, 44 enter.callback())); 45 } 46 47 int32_t Query(PP_Resource file_io, 48 struct PP_FileInfo* info, 49 struct PP_CompletionCallback callback) { 50 VLOG(4) << "PPB_FileIO::Query()"; 51 EnterResource<PPB_FileIO_API> enter(file_io, callback, true); 52 if (enter.failed()) 53 return enter.retval(); 54 return enter.SetResult(enter.object()->Query(info, enter.callback())); 55 } 56 57 int32_t Touch(PP_Resource file_io, 58 PP_Time last_access_time, 59 PP_Time last_modified_time, 60 struct PP_CompletionCallback callback) { 61 VLOG(4) << "PPB_FileIO::Touch()"; 62 EnterResource<PPB_FileIO_API> enter(file_io, callback, true); 63 if (enter.failed()) 64 return enter.retval(); 65 return enter.SetResult(enter.object()->Touch(last_access_time, 66 last_modified_time, 67 enter.callback())); 68 } 69 70 int32_t Read(PP_Resource file_io, 71 int64_t offset, 72 char* buffer, 73 int32_t bytes_to_read, 74 struct PP_CompletionCallback callback) { 75 VLOG(4) << "PPB_FileIO::Read()"; 76 EnterResource<PPB_FileIO_API> enter(file_io, callback, true); 77 if (enter.failed()) 78 return enter.retval(); 79 return enter.SetResult(enter.object()->Read(offset, 80 buffer, 81 bytes_to_read, 82 enter.callback())); 83 } 84 85 int32_t Write(PP_Resource file_io, 86 int64_t offset, 87 const char* buffer, 88 int32_t bytes_to_write, 89 struct PP_CompletionCallback callback) { 90 VLOG(4) << "PPB_FileIO::Write()"; 91 EnterResource<PPB_FileIO_API> enter(file_io, callback, true); 92 if (enter.failed()) 93 return enter.retval(); 94 return enter.SetResult(enter.object()->Write(offset, 95 buffer, 96 bytes_to_write, 97 enter.callback())); 98 } 99 100 int32_t SetLength(PP_Resource file_io, 101 int64_t length, 102 struct PP_CompletionCallback callback) { 103 VLOG(4) << "PPB_FileIO::SetLength()"; 104 EnterResource<PPB_FileIO_API> enter(file_io, callback, true); 105 if (enter.failed()) 106 return enter.retval(); 107 return enter.SetResult(enter.object()->SetLength(length, enter.callback())); 108 } 109 110 int32_t Flush(PP_Resource file_io, struct PP_CompletionCallback callback) { 111 VLOG(4) << "PPB_FileIO::Flush()"; 112 EnterResource<PPB_FileIO_API> enter(file_io, callback, true); 113 if (enter.failed()) 114 return enter.retval(); 115 return enter.SetResult(enter.object()->Flush(enter.callback())); 116 } 117 118 void Close(PP_Resource file_io) { 119 VLOG(4) << "PPB_FileIO::Close()"; 120 EnterResource<PPB_FileIO_API> enter(file_io, true); 121 if (enter.failed()) 122 return; 123 enter.object()->Close(); 124 } 125 126 int32_t ReadToArray(PP_Resource file_io, 127 int64_t offset, 128 int32_t max_read_length, 129 struct PP_ArrayOutput* output, 130 struct PP_CompletionCallback callback) { 131 VLOG(4) << "PPB_FileIO::ReadToArray()"; 132 EnterResource<PPB_FileIO_API> enter(file_io, callback, true); 133 if (enter.failed()) 134 return enter.retval(); 135 return enter.SetResult(enter.object()->ReadToArray(offset, 136 max_read_length, 137 output, 138 enter.callback())); 139 } 140 141 const PPB_FileIO_1_0 g_ppb_fileio_thunk_1_0 = { 142 &Create, 143 &IsFileIO, 144 &Open, 145 &Query, 146 &Touch, 147 &Read, 148 &Write, 149 &SetLength, 150 &Flush, 151 &Close 152 }; 153 154 const PPB_FileIO_1_1 g_ppb_fileio_thunk_1_1 = { 155 &Create, 156 &IsFileIO, 157 &Open, 158 &Query, 159 &Touch, 160 &Read, 161 &Write, 162 &SetLength, 163 &Flush, 164 &Close, 165 &ReadToArray 166 }; 167 168 } // namespace 169 170 PPAPI_THUNK_EXPORT const PPB_FileIO_1_0* GetPPB_FileIO_1_0_Thunk() { 171 return &g_ppb_fileio_thunk_1_0; 172 } 173 174 PPAPI_THUNK_EXPORT const PPB_FileIO_1_1* GetPPB_FileIO_1_1_Thunk() { 175 return &g_ppb_fileio_thunk_1_1; 176 } 177 178 } // namespace thunk 179 } // namespace ppapi 180
