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 #ifndef PPAPI_THUNK_PPB_FILE_IO_API_H_ 6 #define PPAPI_THUNK_PPB_FILE_IO_API_H_ 7 8 #include "base/memory/ref_counted.h" 9 #include "ppapi/c/ppb_file_io.h" 10 #include "ppapi/c/private/pp_file_handle.h" 11 #include "ppapi/thunk/ppapi_thunk_export.h" 12 13 namespace ppapi { 14 15 class TrackedCallback; 16 17 namespace thunk { 18 19 class PPAPI_THUNK_EXPORT PPB_FileIO_API { 20 public: 21 virtual ~PPB_FileIO_API() {} 22 23 virtual int32_t Open(PP_Resource file_ref, 24 int32_t open_flags, 25 scoped_refptr<TrackedCallback> callback) = 0; 26 virtual int32_t Query(PP_FileInfo* info, 27 scoped_refptr<TrackedCallback> callback) = 0; 28 virtual int32_t Touch(PP_Time last_access_time, 29 PP_Time last_modified_time, 30 scoped_refptr<TrackedCallback> callback) = 0; 31 virtual int32_t Read(int64_t offset, 32 char* buffer, 33 int32_t bytes_to_read, 34 scoped_refptr<TrackedCallback> callback) = 0; 35 virtual int32_t ReadToArray(int64_t offset, 36 int32_t max_read_length, 37 PP_ArrayOutput* buffer, 38 scoped_refptr<TrackedCallback> callback) = 0; 39 virtual int32_t Write(int64_t offset, 40 const char* buffer, 41 int32_t bytes_to_write, 42 scoped_refptr<TrackedCallback> callback) = 0; 43 virtual int32_t SetLength(int64_t length, 44 scoped_refptr<TrackedCallback> callback) = 0; 45 virtual int64_t GetMaxWrittenOffset() const = 0; 46 virtual int64_t GetAppendModeWriteAmount() const = 0; 47 virtual void SetMaxWrittenOffset(int64_t max_written_offset) = 0; 48 virtual void SetAppendModeWriteAmount(int64_t append_mode_write_amount) = 0; 49 virtual int32_t Flush(scoped_refptr<TrackedCallback> callback) = 0; 50 virtual void Close() = 0; 51 52 // Private API. 53 virtual int32_t RequestOSFileHandle( 54 PP_FileHandle* handle, 55 scoped_refptr<TrackedCallback> callback) = 0; 56 }; 57 58 } // namespace thunk 59 } // namespace ppapi 60 61 #endif // PPAPI_THUNK_PPB_FILE_IO_API_H_ 62
