| // Copyright 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. |
| |
| #include "chrome/browser/chromeos/drive/file_system_backend_delegate.h" |
| |
| #include "base/bind.h" |
| #include "base/files/file_path.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "chrome/browser/chromeos/drive/async_file_util.h" |
| #include "chrome/browser/chromeos/drive/file_system_util.h" |
| #include "chrome/browser/chromeos/drive/webkit_file_stream_reader_impl.h" |
| #include "chrome/browser/chromeos/drive/webkit_file_stream_writer_impl.h" |
| #include "chrome/browser/profiles/profile.h" |
| #include "content/public/browser/browser_context.h" |
| #include "content/public/browser/browser_thread.h" |
| #include "webkit/browser/blob/file_stream_reader.h" |
| #include "webkit/browser/fileapi/async_file_util.h" |
| #include "webkit/browser/fileapi/file_system_context.h" |
| #include "webkit/browser/fileapi/file_system_url.h" |
| |
| using content::BrowserThread; |
| |
| namespace drive { |
| |
| FileSystemBackendDelegate::FileSystemBackendDelegate( |
| content::BrowserContext* browser_context) |
| : profile_id_(Profile::FromBrowserContext(browser_context)), |
| async_file_util_(new internal::AsyncFileUtil( |
| base::Bind(&util::GetFileSystemByProfileId, profile_id_))) { |
| DCHECK(profile_id_); |
| } |
| |
| FileSystemBackendDelegate::~FileSystemBackendDelegate() { |
| } |
| |
| fileapi::AsyncFileUtil* FileSystemBackendDelegate::GetAsyncFileUtil( |
| fileapi::FileSystemType type) { |
| DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); |
| DCHECK_EQ(fileapi::kFileSystemTypeDrive, type); |
| return async_file_util_.get(); |
| } |
| |
| scoped_ptr<webkit_blob::FileStreamReader> |
| FileSystemBackendDelegate::CreateFileStreamReader( |
| const fileapi::FileSystemURL& url, |
| int64 offset, |
| const base::Time& expected_modification_time, |
| fileapi::FileSystemContext* context) { |
| DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); |
| DCHECK_EQ(fileapi::kFileSystemTypeDrive, url.type()); |
| |
| base::FilePath file_path = util::ExtractDrivePathFromFileSystemUrl(url); |
| if (file_path.empty()) |
| return scoped_ptr<webkit_blob::FileStreamReader>(); |
| |
| return scoped_ptr<webkit_blob::FileStreamReader>( |
| new internal::WebkitFileStreamReaderImpl( |
| base::Bind(&util::GetFileSystemByProfileId, profile_id_), |
| context->default_file_task_runner(), |
| file_path, offset, expected_modification_time)); |
| } |
| |
| scoped_ptr<fileapi::FileStreamWriter> |
| FileSystemBackendDelegate::CreateFileStreamWriter( |
| const fileapi::FileSystemURL& url, |
| int64 offset, |
| fileapi::FileSystemContext* context) { |
| DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); |
| DCHECK_EQ(fileapi::kFileSystemTypeDrive, url.type()); |
| |
| base::FilePath file_path = util::ExtractDrivePathFromFileSystemUrl(url); |
| if (file_path.empty()) |
| return scoped_ptr<fileapi::FileStreamWriter>(); |
| |
| return scoped_ptr<fileapi::FileStreamWriter>( |
| new internal::WebkitFileStreamWriterImpl( |
| base::Bind(&util::GetFileSystemByProfileId, profile_id_), |
| context->default_file_task_runner(),file_path, offset)); |
| } |
| |
| } // namespace drive |