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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef WEBKIT_GLUE_PLUGINS_PEPPER_FILE_IO_H_ | |
6 #define WEBKIT_GLUE_PLUGINS_PEPPER_FILE_IO_H_ | |
7 | |
8 #include "base/file_path.h" | |
9 #include "base/platform_file.h" | |
10 #include "base/scoped_callback_factory.h" | |
11 #include "base/scoped_ptr.h" | |
12 #include "ppapi/c/dev/pp_file_info_dev.h" | |
13 #include "ppapi/c/pp_completion_callback.h" | |
14 #include "ppapi/c/pp_time.h" | |
15 #include "webkit/glue/plugins/pepper_plugin_delegate.h" | |
16 #include "webkit/glue/plugins/pepper_resource.h" | |
17 | |
18 struct PP_CompletionCallback; | |
19 struct PPB_FileIO_Dev; | |
20 struct PPB_FileIOTrusted_Dev; | |
21 | |
22 namespace pepper { | |
23 | |
24 class PluginModule; | |
25 | |
26 class FileIO : public Resource { | |
27 public: | |
28 explicit FileIO(PluginModule* module); | |
29 virtual ~FileIO(); | |
30 | |
31 // Returns a pointer to the interface implementing PPB_FileIO that is exposed | |
32 // to the plugin. | |
33 static const PPB_FileIO_Dev* GetInterface(); | |
34 | |
35 // Returns a pointer to the interface implementing PPB_FileIOTrusted that is | |
36 // exposed to the plugin. | |
37 static const PPB_FileIOTrusted_Dev* GetTrustedInterface(); | |
38 | |
39 // Resource overrides. | |
40 virtual FileIO* AsFileIO(); | |
41 | |
42 // PPB_FileIO implementation. | |
43 int32_t Open(FileRef* file_ref, | |
44 int32_t open_flags, | |
45 PP_CompletionCallback callback); | |
46 int32_t Query(PP_FileInfo_Dev* info, | |
47 PP_CompletionCallback callback); | |
48 int32_t Touch(PP_Time last_access_time, | |
49 PP_Time last_modified_time, | |
50 PP_CompletionCallback callback); | |
51 int32_t Read(int64_t offset, | |
52 char* buffer, | |
53 int32_t bytes_to_read, | |
54 PP_CompletionCallback callback); | |
55 int32_t Write(int64_t offset, | |
56 const char* buffer, | |
57 int32_t bytes_to_write, | |
58 PP_CompletionCallback callback); | |
59 int32_t SetLength(int64_t length, | |
60 PP_CompletionCallback callback); | |
61 int32_t Flush(PP_CompletionCallback callback); | |
62 void Close(); | |
63 | |
64 // PPB_FileIOTrusted implementation. | |
65 int32_t GetOSFileDescriptor(); | |
66 int32_t WillWrite(int64_t offset, | |
67 int32_t bytes_to_write, | |
68 PP_CompletionCallback callback); | |
69 int32_t WillSetLength(int64_t length, | |
70 PP_CompletionCallback callback); | |
71 | |
72 void RunPendingCallback(int result); | |
73 void StatusCallback(base::PlatformFileError error_code); | |
74 void AsyncOpenFileCallback(base::PlatformFileError error_code, | |
75 base::PlatformFile file); | |
76 void QueryInfoCallback(base::PlatformFileError error_code, | |
77 const base::PlatformFileInfo& file_info); | |
78 void ReadWriteCallback(base::PlatformFileError error_code, | |
79 int bytes_read_or_written); | |
80 | |
81 private: | |
82 PluginDelegate* delegate_; | |
83 base::ScopedCallbackFactory<FileIO> callback_factory_; | |
84 | |
85 base::PlatformFile file_; | |
86 PP_FileSystemType_Dev file_system_type_; | |
87 | |
88 PP_CompletionCallback callback_; | |
89 PP_FileInfo_Dev* info_; | |
90 }; | |
91 | |
92 } // namespace pepper | |
93 | |
94 #endif // WEBKIT_GLUE_PLUGINS_PEPPER_FILE_IO_H_ | |
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