iTunes file util and data provider for media galleries

chrome/browser/media_galleries/fileapi/native_media_file_util.h

 // Copyright (c) 2012 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_NATIVE_MEDIA_FILE_UTIL_H_
 #define CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_NATIVE_MEDIA_FILE_UTIL_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "webkit/browser/fileapi/async_file_util.h"
 
 namespace chrome {
 
 // This class handles native file system operations with media type filtering.
 // To support virtual file systems it implements the AsyncFileUtil interface
 // from scratch and provides synchronous override points.
 class NativeMediaFileUtil : public fileapi::AsyncFileUtil {
  public:
   NativeMediaFileUtil();
   virtual ~NativeMediaFileUtil();
 
+  // Uses the MIME sniffer code, which actually looks into the file,
+  // to determine if it is really a media file (to avoid exposing
+  // non-media files with a media file extension.)
+  static base::PlatformFileError IsMediaFile(const base::FilePath& path);
+
   // AsyncFileUtil overrides.
   virtual bool CreateOrOpen(
       fileapi::FileSystemOperationContext* context,
       const fileapi::FileSystemURL& url,
       int file_flags,
       const CreateOrOpenCallback& callback) OVERRIDE;
   virtual bool EnsureFileExists(
       fileapi::FileSystemOperationContext* context,
       const fileapi::FileSystemURL& url,
       const EnsureFileExistsCallback& callback) OVERRIDE;
@@ skipping 43 matching lines @@
       const StatusCallback& callback) OVERRIDE;
   virtual bool DeleteDirectory(
       fileapi::FileSystemOperationContext* context,
       const fileapi::FileSystemURL& url,
       const StatusCallback& callback) OVERRIDE;
   virtual bool CreateSnapshotFile(
       fileapi::FileSystemOperationContext* context,
       const fileapi::FileSystemURL& url,
       const CreateSnapshotFileCallback& callback) OVERRIDE;
 
-  // Uses the MIME sniffer code, which actually looks into the file,
-  // to determine if it is really a media file (to avoid exposing
-  // non-media files with a media file extension.)
-  static base::PlatformFileError IsMediaFile(const base::FilePath& path);
+ protected:
+  virtual void CreateDirectoryOnTaskRunnerThread(
+      fileapi::FileSystemOperationContext* context,
+      const fileapi::FileSystemURL& url,
+      bool exclusive,
+      bool recursive,
+      const StatusCallback& callback);
+  virtual void GetFileInfoOnTaskRunnerThread(
+      fileapi::FileSystemOperationContext* context,
+      const fileapi::FileSystemURL& url,
+      const GetFileInfoCallback& callback);
+  virtual void ReadDirectoryOnTaskRunnerThread(
+      fileapi::FileSystemOperationContext* context,
+      const fileapi::FileSystemURL& url,
+      const ReadDirectoryCallback& callback);
+  virtual void CopyOrMoveFileLocalOnTaskRunnerThread(
+      fileapi::FileSystemOperationContext* context,
+      const fileapi::FileSystemURL& src_url,
+      const fileapi::FileSystemURL& dest_url,
+      bool copy,
+      const StatusCallback& callback);
+  virtual void CopyInForeignFileOnTaskRunnerThread(
+      fileapi::FileSystemOperationContext* context,
+      const base::FilePath& src_file_path,
+      const fileapi::FileSystemURL& dest_url,
+      const StatusCallback& callback);
+  virtual void DeleteDirectoryOnTaskRunnerThread(
+      fileapi::FileSystemOperationContext* context,
+      const fileapi::FileSystemURL& url,
+      const StatusCallback& callback);
+  virtual void CreateSnapshotFileOnTaskRunnerThread(
+      fileapi::FileSystemOperationContext* context,
+      const fileapi::FileSystemURL& url,
+      const CreateSnapshotFileCallback& callback);
 
- protected:
   // The following methods should only be called on the task runner thread.
 
   // Necessary for copy/move to succeed.
   virtual base::PlatformFileError CreateDirectorySync(
       fileapi::FileSystemOperationContext* context,
       const fileapi::FileSystemURL& url,
       bool exclusive,
       bool recursive);
   virtual base::PlatformFileError CopyOrMoveFileSync(
       fileapi::FileSystemOperationContext* context,
@@ skipping 44 matching lines @@
   // If |local_file_path| is a file, then take media_path_filter() into
   // consideration.
   // If the media_path_filter() check fails, return |failure_error|.
   // If |local_file_path| is a directory, return PLATFORM_FILE_OK.
   base::PlatformFileError GetFilteredLocalFilePathForExistingFileOrDirectory(
       fileapi::FileSystemOperationContext* context,
       const fileapi::FileSystemURL& file_system_url,
       base::PlatformFileError failure_error,
       base::FilePath* local_file_path);
 
-  virtual void CreateDirectoryOnTaskRunnerThread(
-      fileapi::FileSystemOperationContext* context,
-      const fileapi::FileSystemURL& url,
-      bool exclusive,
-      bool recursive,
-      const StatusCallback& callback);
-  virtual void GetFileInfoOnTaskRunnerThread(
-      fileapi::FileSystemOperationContext* context,
-      const fileapi::FileSystemURL& url,
-      const GetFileInfoCallback& callback);
-  virtual void ReadDirectoryOnTaskRunnerThread(
-      fileapi::FileSystemOperationContext* context,
-      const fileapi::FileSystemURL& url,
-      const ReadDirectoryCallback& callback);
-  virtual void CopyOrMoveFileLocalOnTaskRunnerThread(
-      fileapi::FileSystemOperationContext* context,
-      const fileapi::FileSystemURL& src_url,
-      const fileapi::FileSystemURL& dest_url,
-      bool copy,
-      const StatusCallback& callback);
-  virtual void CopyInForeignFileOnTaskRunnerThread(
-      fileapi::FileSystemOperationContext* context,
-      const base::FilePath& src_file_path,
-      const fileapi::FileSystemURL& dest_url,
-      const StatusCallback& callback);
-  virtual void DeleteDirectoryOnTaskRunnerThread(
-      fileapi::FileSystemOperationContext* context,
-      const fileapi::FileSystemURL& url,
-      const StatusCallback& callback);
-  virtual void CreateSnapshotFileOnTaskRunnerThread(
-      fileapi::FileSystemOperationContext* context,
-      const fileapi::FileSystemURL& url,
-      const CreateSnapshotFileCallback& callback);
 
   base::WeakPtrFactory<NativeMediaFileUtil> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(NativeMediaFileUtil);
 };
 
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_NATIVE_MEDIA_FILE_UTIL_H_