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// 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 "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "webkit/browser/fileapi/file_system_backend.h"
namespace base {
class SequencedTaskRunner;
}
namespace fileapi {
class AsyncFileUtilAdapter;
}
namespace chrome {
class MediaPathFilter;
class DeviceMediaAsyncFileUtil;
class MediaFileSystemBackend : public fileapi::FileSystemBackend {
public:
static const char kMediaTaskRunnerName[];
static const char kMediaPathFilterKey[];
static const char kMTPDeviceDelegateURLKey[];
MediaFileSystemBackend(
const base::FilePath& profile_path,
base::SequencedTaskRunner* media_task_runner);
virtual ~MediaFileSystemBackend();
static bool CurrentlyOnMediaTaskRunnerThread();
static scoped_refptr<base::SequencedTaskRunner> MediaTaskRunner();
// FileSystemBackend implementation.
virtual bool CanHandleType(fileapi::FileSystemType type) const OVERRIDE;
virtual void OpenFileSystem(
const GURL& origin_url,
fileapi::FileSystemType type,
fileapi::OpenFileSystemMode mode,
const OpenFileSystemCallback& callback) OVERRIDE;
virtual fileapi::FileSystemFileUtil* GetFileUtil(
fileapi::FileSystemType type) OVERRIDE;
virtual fileapi::AsyncFileUtil* GetAsyncFileUtil(
fileapi::FileSystemType type) OVERRIDE;
virtual fileapi::CopyOrMoveFileValidatorFactory*
GetCopyOrMoveFileValidatorFactory(
fileapi::FileSystemType type,
base::PlatformFileError* error_code) OVERRIDE;
virtual fileapi::FileSystemOperation* CreateFileSystemOperation(
const fileapi::FileSystemURL& url,
fileapi::FileSystemContext* context,
base::PlatformFileError* error_code) 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)
DISALLOW_COPY_AND_ASSIGN(MediaFileSystemBackend);
};
} // namespace chrome
#endif // CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_MEDIA_FILE_SYSTEM_BACKEND_H_
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