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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 WEBKIT_PLUGINS_PPAPI_QUOTA_FILE_IO_H_ | 5 #ifndef WEBKIT_PLUGINS_PPAPI_QUOTA_FILE_IO_H_ |
6 #define WEBKIT_PLUGINS_PPAPI_QUOTA_FILE_IO_H_ | 6 #define WEBKIT_PLUGINS_PPAPI_QUOTA_FILE_IO_H_ |
7 | 7 |
8 #include <deque> | 8 #include <deque> |
9 | 9 |
10 #include "base/file_util_proxy.h" | 10 #include "base/file_util_proxy.h" |
11 #include "base/memory/weak_ptr.h" | 11 #include "base/memory/weak_ptr.h" |
12 #include "base/platform_file.h" | 12 #include "base/platform_file.h" |
13 #include "googleurl/src/gurl.h" | 13 #include "googleurl/src/gurl.h" |
14 #include "ppapi/c/pp_file_info.h" | 14 #include "ppapi/c/pp_file_info.h" |
15 #include "ppapi/c/pp_instance.h" | 15 #include "ppapi/c/pp_instance.h" |
| 16 #include "webkit/plugins/webkit_plugins_export.h" |
16 #include "webkit/quota/quota_types.h" | 17 #include "webkit/quota/quota_types.h" |
17 | 18 |
18 namespace webkit { | 19 namespace webkit { |
19 namespace ppapi { | 20 namespace ppapi { |
20 | 21 |
21 class PluginDelegate; | 22 class PluginDelegate; |
22 | 23 |
23 // This class is created per PPB_FileIO_Impl instance and provides | 24 // This class is created per PPB_FileIO_Impl instance and provides |
24 // write operations for quota-managed files (i.e. files of | 25 // write operations for quota-managed files (i.e. files of |
25 // PP_FILESYSTEMTYPE_LOCAL{PERSISTENT,TEMPORARY}). | 26 // PP_FILESYSTEMTYPE_LOCAL{PERSISTENT,TEMPORARY}). |
26 class QuotaFileIO { | 27 class QuotaFileIO { |
27 public: | 28 public: |
28 typedef base::FileUtilProxy::WriteCallback WriteCallback; | 29 typedef base::FileUtilProxy::WriteCallback WriteCallback; |
29 typedef base::FileUtilProxy::StatusCallback StatusCallback; | 30 typedef base::FileUtilProxy::StatusCallback StatusCallback; |
30 | 31 |
31 QuotaFileIO(PP_Instance instance, | 32 WEBKIT_PLUGINS_EXPORT QuotaFileIO(PP_Instance instance, |
32 base::PlatformFile file, | 33 base::PlatformFile file, |
33 const GURL& path_url, | 34 const GURL& path_url, |
34 PP_FileSystemType type); | 35 PP_FileSystemType type); |
35 ~QuotaFileIO(); | 36 WEBKIT_PLUGINS_EXPORT ~QuotaFileIO(); |
36 | 37 |
37 // Performs write or setlength operation with quota checks. | 38 // Performs write or setlength operation with quota checks. |
38 // Returns true when the operation is successfully dispatched. | 39 // Returns true when the operation is successfully dispatched. |
39 // |bytes_to_write| must be geater than zero. | 40 // |bytes_to_write| must be geater than zero. |
40 // |callback| will be dispatched when the operation completes. | 41 // |callback| will be dispatched when the operation completes. |
41 // Otherwise it returns false and |callback| will not be dispatched. | 42 // Otherwise it returns false and |callback| will not be dispatched. |
42 // |callback| will not be dispatched either when this instance is | 43 // |callback| will not be dispatched either when this instance is |
43 // destroyed before the operation completes. | 44 // destroyed before the operation completes. |
44 // SetLength/WillSetLength cannot be called while there're any in-flight | 45 // SetLength/WillSetLength cannot be called while there're any in-flight |
45 // operations. For Write/WillWrite it is guaranteed that |callback| are | 46 // operations. For Write/WillWrite it is guaranteed that |callback| are |
46 // always dispatched in the same order as Write being called. | 47 // always dispatched in the same order as Write being called. |
47 bool Write(int64_t offset, | 48 WEBKIT_PLUGINS_EXPORT bool Write(int64_t offset, |
48 const char* buffer, | 49 const char* buffer, |
49 int32_t bytes_to_write, | 50 int32_t bytes_to_write, |
50 const WriteCallback& callback); | 51 const WriteCallback& callback); |
51 bool WillWrite(int64_t offset, | 52 WEBKIT_PLUGINS_EXPORT bool WillWrite(int64_t offset, |
52 int32_t bytes_to_write, | 53 int32_t bytes_to_write, |
53 const WriteCallback& callback); | 54 const WriteCallback& callback); |
54 | 55 |
55 bool SetLength(int64_t length, const StatusCallback& callback); | 56 WEBKIT_PLUGINS_EXPORT bool SetLength(int64_t length, |
56 bool WillSetLength(int64_t length, const StatusCallback& callback); | 57 const StatusCallback& callback); |
| 58 WEBKIT_PLUGINS_EXPORT bool WillSetLength(int64_t length, |
| 59 const StatusCallback& callback); |
57 | 60 |
58 // Returns the plugin delegate or NULL if the resource has outlived the | 61 // Returns the plugin delegate or NULL if the resource has outlived the |
59 // instance. | 62 // instance. |
60 PluginDelegate* GetPluginDelegate() const; | 63 PluginDelegate* GetPluginDelegate() const; |
61 | 64 |
62 private: | 65 private: |
63 class PendingOperationBase; | 66 class PendingOperationBase; |
64 class WriteOperation; | 67 class WriteOperation; |
65 class SetLengthOperation; | 68 class SetLengthOperation; |
66 | 69 |
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105 | 108 |
106 base::WeakPtrFactory<QuotaFileIO> weak_factory_; | 109 base::WeakPtrFactory<QuotaFileIO> weak_factory_; |
107 | 110 |
108 DISALLOW_COPY_AND_ASSIGN(QuotaFileIO); | 111 DISALLOW_COPY_AND_ASSIGN(QuotaFileIO); |
109 }; | 112 }; |
110 | 113 |
111 } // namespace ppapi | 114 } // namespace ppapi |
112 } // namespace webkit | 115 } // namespace webkit |
113 | 116 |
114 #endif // WEBKIT_PLUGINS_PPAPI_QUOTA_FILE_IO_H_ | 117 #endif // WEBKIT_PLUGINS_PPAPI_QUOTA_FILE_IO_H_ |
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