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Side by Side Diff: ppapi/c/dev/ppb_file_io_dev.h

Issue 4310002: Make PPAPI headers compile with C compilers (gcc on Linux & Mac and MSVS on W... (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: '' Created 10 years, 1 month ago
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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef PPAPI_C_DEV_PPB_FILE_IO_DEV_H_ 5 #ifndef PPAPI_C_DEV_PPB_FILE_IO_DEV_H_
6 #define PPAPI_C_DEV_PPB_FILE_IO_DEV_H_ 6 #define PPAPI_C_DEV_PPB_FILE_IO_DEV_H_
7 7
8 #include "ppapi/c/pp_bool.h"
8 #include "ppapi/c/pp_module.h" 9 #include "ppapi/c/pp_module.h"
9 #include "ppapi/c/pp_resource.h" 10 #include "ppapi/c/pp_resource.h"
10 #include "ppapi/c/pp_stdint.h" 11 #include "ppapi/c/pp_stdint.h"
11 #include "ppapi/c/pp_time.h" 12 #include "ppapi/c/pp_time.h"
12 13
13 struct PP_CompletionCallback; 14 struct PP_CompletionCallback;
14 struct PP_FileInfo_Dev; 15 struct PP_FileInfo_Dev;
15 16
16 typedef enum { 17 typedef enum {
17 // Requests read access to a file. 18 // Requests read access to a file.
(...skipping 11 matching lines...) Expand all
29 // Requests that the file be truncated to length 0 if it exists and is a 30 // Requests that the file be truncated to length 0 if it exists and is a
30 // regular file. PP_FILEOPENFLAG_WRITE must also be specified. 31 // regular file. PP_FILEOPENFLAG_WRITE must also be specified.
31 PP_FILEOPENFLAG_TRUNCATE = 1 << 3, 32 PP_FILEOPENFLAG_TRUNCATE = 1 << 3,
32 33
33 // Requests that the file is created when this flag is combined with 34 // Requests that the file is created when this flag is combined with
34 // PP_FILEOPENFLAG_CREATE. If this flag is specified, and the file already 35 // PP_FILEOPENFLAG_CREATE. If this flag is specified, and the file already
35 // exists, then the FileIO::Open call will fail. 36 // exists, then the FileIO::Open call will fail.
36 PP_FILEOPENFLAG_EXCLUSIVE = 1 << 4 37 PP_FILEOPENFLAG_EXCLUSIVE = 1 << 4
37 } PP_FileOpenFlags_Dev; 38 } PP_FileOpenFlags_Dev;
38 39
39 #define PPB_FILEIO_DEV_INTERFACE "PPB_FileIO(Dev);0.1" 40 #define PPB_FILEIO_DEV_INTERFACE "PPB_FileIO(Dev);0.2"
40 41
41 // Use this interface to operate on a regular file (PP_FileType_Regular). 42 // Use this interface to operate on a regular file (PP_FileType_Regular).
42 struct PPB_FileIO_Dev { 43 struct PPB_FileIO_Dev {
43 // Creates a new FileIO object. Returns 0 if the module is invalid. 44 // Creates a new FileIO object. Returns 0 if the module is invalid.
44 PP_Resource (*Create)(PP_Module module); 45 PP_Resource (*Create)(PP_Module module);
45 46
46 // Returns true if the given resource is a FileIO. Returns false if the 47 // Returns PP_TRUE if the given resource is a FileIO. Returns PP_FALSE if the
47 // resource is invalid or some type other than a FileIO. 48 // resource is invalid or some type other than a FileIO.
48 bool (*IsFileIO)(PP_Resource resource); 49 PP_Bool (*IsFileIO)(PP_Resource resource);
49 50
50 // Open the specified regular file for I/O according to the given open flags, 51 // Open the specified regular file for I/O according to the given open flags,
51 // which is a bit-mask of the PP_FileOpenFlags values. Upon success, the 52 // which is a bit-mask of the PP_FileOpenFlags values. Upon success, the
52 // corresponding file is classified as "in use" by this FileIO object until 53 // corresponding file is classified as "in use" by this FileIO object until
53 // such time as the FileIO object is closed or destroyed. 54 // such time as the FileIO object is closed or destroyed.
54 int32_t (*Open)(PP_Resource file_io, 55 int32_t (*Open)(PP_Resource file_io,
55 PP_Resource file_ref, 56 PP_Resource file_ref,
56 int32_t open_flags, 57 int32_t open_flags,
57 struct PP_CompletionCallback callback); 58 struct PP_CompletionCallback callback);
58 59
59 // Queries info about the file opened by this FileIO object. Fails if the 60 // Queries info about the file opened by this FileIO object. Fails if the
60 // FileIO object has not been opened. 61 // FileIO object has not been opened.
61 int32_t (*Query)(PP_Resource file_io, 62 int32_t (*Query)(PP_Resource file_io,
62 PP_FileInfo_Dev* info, 63 struct PP_FileInfo_Dev* info,
63 struct PP_CompletionCallback callback); 64 struct PP_CompletionCallback callback);
64 65
65 // Updates timestamps for the file opened by this FileIO object. Fails if 66 // Updates timestamps for the file opened by this FileIO object. Fails if
66 // the FileIO object has not been opened. 67 // the FileIO object has not been opened.
67 int32_t (*Touch)(PP_Resource file_io, 68 int32_t (*Touch)(PP_Resource file_io,
68 PP_Time last_access_time, 69 PP_Time last_access_time,
69 PP_Time last_modified_time, 70 PP_Time last_modified_time,
70 struct PP_CompletionCallback callback); 71 struct PP_CompletionCallback callback);
71 72
72 // Read from an offset in the file. The size of the buffer must be large 73 // Read from an offset in the file. The size of the buffer must be large
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106 // Cancels any IO that may be pending, and closes the FileIO object. Any 107 // Cancels any IO that may be pending, and closes the FileIO object. Any
107 // pending callbacks will still run, reporting PP_Error_Aborted if pending IO 108 // pending callbacks will still run, reporting PP_Error_Aborted if pending IO
108 // was interrupted. It is NOT valid to call Open again after a call to this 109 // was interrupted. It is NOT valid to call Open again after a call to this
109 // method. Note: If the FileIO object is destroyed, and it is still open, 110 // method. Note: If the FileIO object is destroyed, and it is still open,
110 // then it will be implicitly closed, so you are not required to call the 111 // then it will be implicitly closed, so you are not required to call the
111 // Close method. 112 // Close method.
112 void (*Close)(PP_Resource file_io); 113 void (*Close)(PP_Resource file_io);
113 }; 114 };
114 115
115 #endif // PPAPI_C_DEV_PPB_FILE_IO_DEV_H_ 116 #endif // PPAPI_C_DEV_PPB_FILE_IO_DEV_H_
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