1 // Copyright (c) 2013 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 CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_MEDIA_FILE_SYSTEM_BACKEND_H_ 6 #define CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_MEDIA_FILE_SYSTEM_BACKEND_H_ 7 8 #include "base/memory/ref_counted.h" 9 #include "base/memory/scoped_ptr.h" 10 #include "webkit/browser/fileapi/file_system_backend.h" 11 12 namespace base { 13 class SequencedTaskRunner; 14 } 15 16 namespace fileapi { 17 class AsyncFileUtilAdapter; 18 } 19 20 namespace chrome { 21 22 class MediaPathFilter; 23 24 class DeviceMediaAsyncFileUtil; 25 26 class MediaFileSystemBackend : public fileapi::FileSystemBackend { 27 public: 28 static const char kMediaTaskRunnerName[]; 29 30 MediaFileSystemBackend( 31 const base::FilePath& profile_path, 32 base::SequencedTaskRunner* media_task_runner); 33 virtual ~MediaFileSystemBackend(); 34 35 static bool CurrentlyOnMediaTaskRunnerThread(); 36 static scoped_refptr<base::SequencedTaskRunner> MediaTaskRunner(); 37 38 // FileSystemBackend implementation. 39 virtual bool CanHandleType(fileapi::FileSystemType type) const OVERRIDE; 40 virtual void Initialize(fileapi::FileSystemContext* context) OVERRIDE; 41 virtual void OpenFileSystem( 42 const GURL& origin_url, 43 fileapi::FileSystemType type, 44 fileapi::OpenFileSystemMode mode, 45 const OpenFileSystemCallback& callback) OVERRIDE; 46 virtual fileapi::FileSystemFileUtil* GetFileUtil( 47 fileapi::FileSystemType type) OVERRIDE; 48 virtual fileapi::AsyncFileUtil* GetAsyncFileUtil( 49 fileapi::FileSystemType type) OVERRIDE; 50 virtual fileapi::CopyOrMoveFileValidatorFactory* 51 GetCopyOrMoveFileValidatorFactory( 52 fileapi::FileSystemType type, 53 base::PlatformFileError* error_code) OVERRIDE; 54 virtual fileapi::FileSystemOperation* CreateFileSystemOperation( 55 const fileapi::FileSystemURL& url, 56 fileapi::FileSystemContext* context, 57 base::PlatformFileError* error_code) const OVERRIDE; 58 virtual scoped_ptr<webkit_blob::FileStreamReader> CreateFileStreamReader( 59 const fileapi::FileSystemURL& url, 60 int64 offset, 61 const base::Time& expected_modification_time, 62 fileapi::FileSystemContext* context) const OVERRIDE; 63 virtual scoped_ptr<fileapi::FileStreamWriter> CreateFileStreamWriter( 64 const fileapi::FileSystemURL& url, 65 int64 offset, 66 fileapi::FileSystemContext* context) const OVERRIDE; 67 virtual fileapi::FileSystemQuotaUtil* GetQuotaUtil() OVERRIDE; 68 69 private: 70 // Store the profile path. We need this to create temporary snapshot files. 71 const base::FilePath profile_path_; 72 73 scoped_refptr<base::SequencedTaskRunner> media_task_runner_; 74 75 scoped_ptr<MediaPathFilter> media_path_filter_; 76 scoped_ptr<fileapi::CopyOrMoveFileValidatorFactory> 77 media_copy_or_move_file_validator_factory_; 78 79 scoped_ptr<fileapi::AsyncFileUtil> native_media_file_util_; 80 scoped_ptr<DeviceMediaAsyncFileUtil> device_media_async_file_util_; 81 #if defined(OS_WIN) || defined(OS_MACOSX) 82 scoped_ptr<fileapi::AsyncFileUtil> picasa_file_util_; 83 scoped_ptr<fileapi::AsyncFileUtil> itunes_file_util_; 84 #endif // defined(OS_WIN) || defined(OS_MACOSX) 85 86 DISALLOW_COPY_AND_ASSIGN(MediaFileSystemBackend); 87 }; 88 89 } // namespace chrome 90 91 #endif // CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_MEDIA_FILE_SYSTEM_BACKEND_H_ 92
