webkit/fileapi/remove_operation_delegate.h

   1 // Copyright (c) 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 WEBKIT_FILEAPI_REMOVE_OPERATION_DELEGATE_H_
   6 #define WEBKIT_FILEAPI_REMOVE_OPERATION_DELEGATE_H_
   7
   8 #include <stack>
   9
  10 #include "webkit/fileapi/recursive_operation_delegate.h"
  11
  12 namespace fileapi {
  13
  14 class RemoveOperationDelegate
  15     : public RecursiveOperationDelegate,
  16       public base::SupportsWeakPtr<RemoveOperationDelegate> {
  17  public:
  18   RemoveOperationDelegate(FileSystemContext* file_system_context,
  19                           LocalFileSystemOperation* operation,
  20                           const FileSystemURL& url,
  21                           const StatusCallback& callback);
  22   virtual ~RemoveOperationDelegate();
  23
  24   // RecursiveOperationDelegate overrides:
  25   virtual void Run() OVERRIDE;
  26   virtual void RunRecursively() OVERRIDE;
  27   virtual void ProcessFile(const FileSystemURL& url,
  28                            const StatusCallback& callback) OVERRIDE;
  29   virtual void ProcessDirectory(const FileSystemURL& url,
  30                                 const StatusCallback& callback) OVERRIDE;
  31
  32   using base::SupportsWeakPtr<RemoveOperationDelegate>::AsWeakPtr;
  33
  34  private:
  35   void DidTryRemoveFile(base::PlatformFileError error);
  36   void DidRemoveFile(const StatusCallback& callback,
  37                      base::PlatformFileError error);
  38   void RemoveNextDirectory(base::PlatformFileError error);
  39
  40   FileSystemURL url_;
  41   StatusCallback callback_;
  42
  43   std::stack<FileSystemURL> to_remove_directories_;
  44
  45   DISALLOW_COPY_AND_ASSIGN(RemoveOperationDelegate);
  46 };
  47
  48 }  // namespace fileapi
  49
  50 #endif  // WEBKIT_FILEAPI_REMOVE_OPERATION_DELEGATE_H_