| OLD | NEW |
| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 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_FILEAPI_FILE_SYSTEM_CONTEXT_H_ | 5 #ifndef WEBKIT_FILEAPI_FILE_SYSTEM_CONTEXT_H_ |
| 6 #define WEBKIT_FILEAPI_FILE_SYSTEM_CONTEXT_H_ | 6 #define WEBKIT_FILEAPI_FILE_SYSTEM_CONTEXT_H_ |
| 7 | 7 |
| 8 #include <map> | 8 #include <map> |
| 9 #include <string> | 9 #include <string> |
| 10 | 10 |
| (...skipping 31 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 42 | 42 |
| 43 struct DefaultContextDeleter; | 43 struct DefaultContextDeleter; |
| 44 | 44 |
| 45 // This class keeps and provides a file system context for FileSystem API. | 45 // This class keeps and provides a file system context for FileSystem API. |
| 46 // An instance of this class is created and owned by profile. | 46 // An instance of this class is created and owned by profile. |
| 47 class FILEAPI_EXPORT FileSystemContext | 47 class FILEAPI_EXPORT FileSystemContext |
| 48 : public base::RefCountedThreadSafe<FileSystemContext, | 48 : public base::RefCountedThreadSafe<FileSystemContext, |
| 49 DefaultContextDeleter> { | 49 DefaultContextDeleter> { |
| 50 public: | 50 public: |
| 51 // task_runners->file_task_runner() is used as default TaskRunner. | 51 // task_runners->file_task_runner() is used as default TaskRunner. |
| 52 // Unless a MountPointProvired is override in CreateFileSystemOperation, | 52 // Unless a MountPointProvider is overridden in CreateFileSystemOperation, |
| 53 // it is used for all file operations and file related meta operations. | 53 // it is used for all file operations and file related meta operations. |
| 54 // The code assumes that | 54 // The code assumes that |
| 55 // task_runners->file_task_runner()->RunsTasksOnCurrentThread() | 55 // task_runners->file_task_runner()->RunsTasksOnCurrentThread() |
| 56 // returns false if the current task is not running on the thread that allows | 56 // returns false if the current task is not running on the thread that allows |
| 57 // blocking file operations (like SequencedWorkerPool implementation does). | 57 // blocking file operations (like SequencedWorkerPool implementation does). |
| 58 FileSystemContext( | 58 FileSystemContext( |
| 59 scoped_ptr<FileSystemTaskRunners> task_runners, | 59 scoped_ptr<FileSystemTaskRunners> task_runners, |
| 60 quota::SpecialStoragePolicy* special_storage_policy, | 60 quota::SpecialStoragePolicy* special_storage_policy, |
| 61 quota::QuotaManagerProxy* quota_manager_proxy, | 61 quota::QuotaManagerProxy* quota_manager_proxy, |
| 62 const FilePath& profile_path, | 62 const FilePath& profile_path, |
| (...skipping 55 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 118 void DeleteFileSystem( | 118 void DeleteFileSystem( |
| 119 const GURL& origin_url, | 119 const GURL& origin_url, |
| 120 FileSystemType type, | 120 FileSystemType type, |
| 121 const DeleteFileSystemCallback& callback); | 121 const DeleteFileSystemCallback& callback); |
| 122 | 122 |
| 123 // Creates a new FileSystemOperation instance by cracking | 123 // Creates a new FileSystemOperation instance by cracking |
| 124 // the given filesystem URL |url| to get an appropriate MountPointProvider | 124 // the given filesystem URL |url| to get an appropriate MountPointProvider |
| 125 // and calling the provider's corresponding CreateFileSystemOperation method. | 125 // and calling the provider's corresponding CreateFileSystemOperation method. |
| 126 // The resolved MountPointProvider could perform further specialization | 126 // The resolved MountPointProvider could perform further specialization |
| 127 // depending on the filesystem type pointed by the |url|. | 127 // depending on the filesystem type pointed by the |url|. |
| 128 FileSystemOperation* CreateFileSystemOperation(const FileSystemURL& url); | 128 FileSystemOperation* CreateFileSystemOperation( |
| 129 const FileSystemURL& url, |
| 130 base::PlatformFileError* error_code); |
| 129 | 131 |
| 130 // Creates new FileStreamReader instance to read a file pointed by the given | 132 // Creates new FileStreamReader instance to read a file pointed by the given |
| 131 // filesystem URL |url| starting from |offset|. | 133 // filesystem URL |url| starting from |offset|. |
| 132 // This method internally cracks the |url|, get an appropriate | 134 // This method internally cracks the |url|, get an appropriate |
| 133 // MountPointProvider for the URL and call the provider's CreateFileReader. | 135 // MountPointProvider for the URL and call the provider's CreateFileReader. |
| 134 // The resolved MountPointProvider could perform further specialization | 136 // The resolved MountPointProvider could perform further specialization |
| 135 // depending on the filesystem type pointed by the |url|. | 137 // depending on the filesystem type pointed by the |url|. |
| 136 webkit_blob::FileStreamReader* CreateFileStreamReader( | 138 webkit_blob::FileStreamReader* CreateFileStreamReader( |
| 137 const FileSystemURL& url, | 139 const FileSystemURL& url, |
| 138 int64 offset); | 140 int64 offset); |
| (...skipping 31 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 170 | 172 |
| 171 struct DefaultContextDeleter { | 173 struct DefaultContextDeleter { |
| 172 static void Destruct(const FileSystemContext* context) { | 174 static void Destruct(const FileSystemContext* context) { |
| 173 context->DeleteOnCorrectThread(); | 175 context->DeleteOnCorrectThread(); |
| 174 } | 176 } |
| 175 }; | 177 }; |
| 176 | 178 |
| 177 } // namespace fileapi | 179 } // namespace fileapi |
| 178 | 180 |
| 179 #endif // WEBKIT_FILEAPI_FILE_SYSTEM_CONTEXT_H_ | 181 #endif // WEBKIT_FILEAPI_FILE_SYSTEM_CONTEXT_H_ |
| OLD | NEW |