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      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_BROWSER_FILEAPI_COPY_OR_MOVE_OPERATION_DELEGATE_H_
      6 #define WEBKIT_BROWSER_FILEAPI_COPY_OR_MOVE_OPERATION_DELEGATE_H_
      7 
      8 #include <stack>
      9 
     10 #include "base/memory/ref_counted.h"
     11 #include "base/memory/scoped_ptr.h"
     12 #include "webkit/browser/fileapi/recursive_operation_delegate.h"
     13 
     14 namespace webkit_blob {
     15 class ShareableFileReference;
     16 }
     17 
     18 namespace fileapi {
     19 
     20 class CopyOrMoveFileValidator;
     21 
     22 // A delegate class for recursive copy or move operations.
     23 class CopyOrMoveOperationDelegate
     24     : public RecursiveOperationDelegate {
     25  public:
     26   enum OperationType {
     27     OPERATION_COPY,
     28     OPERATION_MOVE
     29   };
     30 
     31   CopyOrMoveOperationDelegate(
     32       FileSystemContext* file_system_context,
     33       const FileSystemURL& src_root,
     34       const FileSystemURL& dest_root,
     35       OperationType operation_type,
     36       const StatusCallback& callback);
     37   virtual ~CopyOrMoveOperationDelegate();
     38 
     39   // RecursiveOperationDelegate overrides:
     40   virtual void Run() OVERRIDE;
     41   virtual void RunRecursively() OVERRIDE;
     42   virtual void ProcessFile(const FileSystemURL& url,
     43                            const StatusCallback& callback) OVERRIDE;
     44   virtual void ProcessDirectory(const FileSystemURL& url,
     45                                 const StatusCallback& callback) OVERRIDE;
     46 
     47  private:
     48   struct URLPair {
     49     URLPair(const FileSystemURL& src, const FileSystemURL& dest)
     50         : src(src),
     51           dest(dest) {
     52     }
     53     FileSystemURL src;
     54     FileSystemURL dest;
     55   };
     56 
     57   void DidTryCopyOrMoveFile(base::PlatformFileError error);
     58   void DidTryRemoveDestRoot(base::PlatformFileError error);
     59   void CopyOrMoveFile(
     60       const URLPair& url_pair,
     61       const StatusCallback& callback);
     62   void DidCreateSnapshot(
     63       const URLPair& url_pair,
     64       const StatusCallback& callback,
     65       base::PlatformFileError error,
     66       const base::PlatformFileInfo& file_info,
     67       const base::FilePath& platform_path,
     68       const scoped_refptr<webkit_blob::ShareableFileReference>& file_ref);
     69   void DidValidateFile(
     70       const FileSystemURL& dest,
     71       const StatusCallback& callback,
     72       const base::PlatformFileInfo& file_info,
     73       const base::FilePath& platform_path,
     74       base::PlatformFileError error);
     75   void DidFinishRecursiveCopyDir(
     76       const FileSystemURL& src,
     77       const StatusCallback& callback,
     78       base::PlatformFileError error);
     79   void DidFinishCopy(
     80       const URLPair& url_pair,
     81       const StatusCallback& callback,
     82       base::PlatformFileError error);
     83   void DoPostWriteValidation(
     84       const URLPair& url_pair,
     85       const StatusCallback& callback,
     86       base::PlatformFileError error,
     87       const base::PlatformFileInfo& file_info,
     88       const base::FilePath& platform_path,
     89       const scoped_refptr<webkit_blob::ShareableFileReference>& file_ref);
     90   void DidPostWriteValidation(
     91       const URLPair& url_pair,
     92       const StatusCallback& callback,
     93       const scoped_refptr<webkit_blob::ShareableFileReference>& file_ref,
     94       base::PlatformFileError error);
     95   void DidRemoveSourceForMove(
     96       const StatusCallback& callback,
     97       base::PlatformFileError error);
     98   void DidRemoveDestForError(
     99       base::PlatformFileError prior_error,
    100       const StatusCallback& callback,
    101       base::PlatformFileError error);
    102 
    103   FileSystemURL CreateDestURL(const FileSystemURL& src_url) const;
    104 
    105   FileSystemURL src_root_;
    106   FileSystemURL dest_root_;
    107   bool same_file_system_;
    108   OperationType operation_type_;
    109   StatusCallback callback_;
    110 
    111   scoped_refptr<webkit_blob::ShareableFileReference> current_file_ref_;
    112 
    113   scoped_ptr<CopyOrMoveFileValidator> validator_;
    114 
    115   base::WeakPtrFactory<CopyOrMoveOperationDelegate> weak_factory_;
    116 
    117   DISALLOW_COPY_AND_ASSIGN(CopyOrMoveOperationDelegate);
    118 };
    119 
    120 }  // namespace fileapi
    121 
    122 #endif  // WEBKIT_BROWSER_FILEAPI_COPY_OR_MOVE_OPERATION_DELEGATE_H_
    123