Home | History | Annotate | Download | only in drive 
      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 
     11 namespace base {
     12 class FilePath;
     13 }
     14 
     15 namespace drive {
     16 
     17 class FileSystemInterface;
     18 
     19 // Callback type for WriteOnCacheFile.
     20 typedef 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.
     33 void 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.
     40 void 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