iTunes file util and data provider for media galleries

chrome/browser/media_galleries/fileapi/itunes/itunes_file_util.h

 // 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.
 
 #ifndef CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_ITUNES_ITUNES_FILE_UTIL_H_
 #define CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_ITUNES_ITUNES_FILE_UTIL_H_
 
+#include "base/memory/weak_ptr.h"
 #include "chrome/browser/media_galleries/fileapi/native_media_file_util.h"
 
 namespace itunes {
 
+class ITunesDataProvider;
+
 class ItunesFileUtil : public chrome::NativeMediaFileUtil {
  public:
   ItunesFileUtil();
   virtual ~ItunesFileUtil();
 
- private:
+ protected:
   // NativeMediaFileUtil overrides.
+  virtual void GetFileInfoOnTaskRunnerThread(
+      fileapi::FileSystemOperationContext* context,
+      const fileapi::FileSystemURL& url,
+      const GetFileInfoCallback& callback) OVERRIDE;
+  virtual void ReadDirectoryOnTaskRunnerThread(
+      fileapi::FileSystemOperationContext* context,
+      const fileapi::FileSystemURL& url,
+      const ReadDirectoryCallback& callback) OVERRIDE;
   virtual base::PlatformFileError GetFileInfoSync(
       fileapi::FileSystemOperationContext* context,
       const fileapi::FileSystemURL& url,
       base::PlatformFileInfo* file_info,
       base::FilePath* platform_path) OVERRIDE;
   virtual base::PlatformFileError ReadDirectorySync(
       fileapi::FileSystemOperationContext* context,
       const fileapi::FileSystemURL& url,
       EntryList* file_list) OVERRIDE;
   virtual base::PlatformFileError GetLocalFilePath(
       fileapi::FileSystemOperationContext* context,
       const fileapi::FileSystemURL& url,
       base::FilePath* local_file_path) OVERRIDE;
 
  private:
+  void GetFileInfoWithFreshDataProvider(
+      fileapi::FileSystemOperationContext* context,
+      const fileapi::FileSystemURL& url,
+      const GetFileInfoCallback& callback);
+  void ReadDirectoryWithFreshDataProvider(
+      fileapi::FileSystemOperationContext* context,
+      const fileapi::FileSystemURL& url,
+      const ReadDirectoryCallback& callback);
+
+  ITunesDataProvider* GetDataProvider();
+
+  base::WeakPtrFactory<ItunesFileUtil> weak_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(ItunesFileUtil);
 };
 
 }  // namespace itunes
 
 #endif  // CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_ITUNES_ITUNES_FILE_UTIL_H_