| // Copyright (c) 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_MEDIA_FILE_SYSTEM_BACKEND_H_ |
| #define CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_MEDIA_FILE_SYSTEM_BACKEND_H_ |
| |
| #include <string> |
| |
| #include "base/callback.h" |
| #include "base/files/file_path.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "chrome/browser/media_galleries/media_galleries_preferences.h" |
| #include "webkit/browser/fileapi/file_system_backend.h" |
| |
| namespace base { |
| class SequencedTaskRunner; |
| } |
| |
| namespace fileapi { |
| class FileSystemURL; |
| } |
| |
| namespace net { |
| class URLRequest; |
| } |
| |
| class MediaPathFilter; |
| class DeviceMediaAsyncFileUtil; |
| |
| class MediaFileSystemBackend : public fileapi::FileSystemBackend { |
| public: |
| static const char kMediaTaskRunnerName[]; |
| |
| MediaFileSystemBackend( |
| const base::FilePath& profile_path, |
| base::SequencedTaskRunner* media_task_runner); |
| virtual ~MediaFileSystemBackend(); |
| |
| static bool CurrentlyOnMediaTaskRunnerThread(); |
| static scoped_refptr<base::SequencedTaskRunner> MediaTaskRunner(); |
| |
| // Construct the mount point for the gallery specified by |pref_id| in |
| // the profile located in |profile_path|. |
| static std::string ConstructMountName(const base::FilePath& profile_path, |
| const std::string& extension_id, |
| MediaGalleryPrefId pref_id); |
| |
| static bool AttemptAutoMountForURLRequest( |
| const net::URLRequest* url_request, |
| const fileapi::FileSystemURL& filesystem_url, |
| const std::string& storage_domain, |
| const base::Callback<void(base::File::Error result)>& callback); |
| |
| // FileSystemBackend implementation. |
| virtual bool CanHandleType(fileapi::FileSystemType type) const OVERRIDE; |
| virtual void Initialize(fileapi::FileSystemContext* context) OVERRIDE; |
| virtual void ResolveURL(const fileapi::FileSystemURL& url, |
| fileapi::OpenFileSystemMode mode, |
| const OpenFileSystemCallback& callback) OVERRIDE; |
| virtual fileapi::AsyncFileUtil* GetAsyncFileUtil( |
| fileapi::FileSystemType type) OVERRIDE; |
| virtual fileapi::CopyOrMoveFileValidatorFactory* |
| GetCopyOrMoveFileValidatorFactory( |
| fileapi::FileSystemType type, |
| base::File::Error* error_code) OVERRIDE; |
| virtual fileapi::FileSystemOperation* CreateFileSystemOperation( |
| const fileapi::FileSystemURL& url, |
| fileapi::FileSystemContext* context, |
| base::File::Error* error_code) const OVERRIDE; |
| virtual bool SupportsStreaming( |
| const fileapi::FileSystemURL& url) const OVERRIDE; |
| virtual scoped_ptr<webkit_blob::FileStreamReader> CreateFileStreamReader( |
| const fileapi::FileSystemURL& url, |
| int64 offset, |
| const base::Time& expected_modification_time, |
| fileapi::FileSystemContext* context) const OVERRIDE; |
| virtual scoped_ptr<fileapi::FileStreamWriter> CreateFileStreamWriter( |
| const fileapi::FileSystemURL& url, |
| int64 offset, |
| fileapi::FileSystemContext* context) const OVERRIDE; |
| virtual fileapi::FileSystemQuotaUtil* GetQuotaUtil() OVERRIDE; |
| |
| private: |
| // Store the profile path. We need this to create temporary snapshot files. |
| const base::FilePath profile_path_; |
| |
| scoped_refptr<base::SequencedTaskRunner> media_task_runner_; |
| |
| scoped_ptr<MediaPathFilter> media_path_filter_; |
| scoped_ptr<fileapi::CopyOrMoveFileValidatorFactory> |
| media_copy_or_move_file_validator_factory_; |
| |
| scoped_ptr<fileapi::AsyncFileUtil> native_media_file_util_; |
| scoped_ptr<DeviceMediaAsyncFileUtil> device_media_async_file_util_; |
| #if defined(OS_WIN) || defined(OS_MACOSX) |
| scoped_ptr<fileapi::AsyncFileUtil> picasa_file_util_; |
| scoped_ptr<fileapi::AsyncFileUtil> itunes_file_util_; |
| #endif // defined(OS_WIN) || defined(OS_MACOSX) |
| #if defined(OS_MACOSX) |
| scoped_ptr<fileapi::AsyncFileUtil> iphoto_file_util_; |
| #endif // defined(OS_MACOSX) |
| |
| DISALLOW_COPY_AND_ASSIGN(MediaFileSystemBackend); |
| }; |
| |
| #endif // CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_MEDIA_FILE_SYSTEM_BACKEND_H_ |