1// Copyright 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_CHROMEOS_DRIVE_WRITE_ON_CACHE_FILE_H_ 6#define CHROME_BROWSER_CHROMEOS_DRIVE_WRITE_ON_CACHE_FILE_H_ 7 8#include "base/callback_forward.h" 9#include "chrome/browser/chromeos/drive/file_errors.h" 10 11namespace base { 12class FilePath; 13} 14 15namespace drive { 16 17class FileSystemInterface; 18 19// Callback type for WriteOnCacheFile. 20typedef base::Callback<void (FileError, const base::FilePath& path)> 21 WriteOnCacheFileCallback; 22 23// Creates (if needed) a file at |path|, brings it to the local cache, 24// and invokes |callback| on blocking thread pool with the cache file path. 25// The |callback| can write to the file at the path by normal local file I/O 26// operations. After it returns, the written content is synced to the server. 27// 28// If non-empty |mime_type| is set and the file is created by this function 29// call, the mime type for the entry is set to |mime_type|. Otherwise the type 30// is automatically determined from |path|. 31// 32// Must be called from UI thread. 33void WriteOnCacheFile(FileSystemInterface* file_system, 34 const base::FilePath& path, 35 const std::string& mime_type, 36 const WriteOnCacheFileCallback& callback); 37 38// Does the same thing as WriteOnCacheFile() and runs |reply| on the UI thread 39// after the completion. 40void WriteOnCacheFileAndReply(FileSystemInterface* file_system, 41 const base::FilePath& path, 42 const std::string& mime_type, 43 const WriteOnCacheFileCallback& callback, 44 const FileOperationCallback& reply); 45 46} // namespace drive 47 48#endif // CHROME_BROWSER_CHROMEOS_DRIVE_WRITE_ON_CACHE_FILE_H_ 49