Update To 11.40.268.0
[platform/framework/web/crosswalk.git] / src / content / browser / download / drag_download_util.h
1 // Copyright (c) 2012 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 CONTENT_BROWSER_DOWNLOAD_DRAG_DOWNLOAD_UTIL_H_
6 #define CONTENT_BROWSER_DOWNLOAD_DRAG_DOWNLOAD_UTIL_H_
7
8 #include "base/basictypes.h"
9 #include "base/files/file.h"
10 #include "base/memory/ref_counted.h"
11 #include "base/strings/string16.h"
12 #include "content/browser/download/drag_download_file.h"
13 #include "ui/base/dragdrop/download_file_interface.h"
14
15 class GURL;
16
17 namespace base {
18 class FilePath;
19 }
20
21 namespace content {
22
23 // Parse the download metadata set in DataTransfer.setData. The metadata
24 // consists of a set of the following values separated by ":"
25 // * MIME type
26 // * File name
27 // * URL
28 // If the file name contains special characters, they need to be escaped
29 // appropriately.
30 // For example, we can have
31 //   text/plain:example.txt:http://example.com/example.txt
32 bool ParseDownloadMetadata(const base::string16& metadata,
33                            base::string16* mime_type,
34                            base::FilePath* file_name,
35                            GURL* url);
36
37 // Create a new file at the specified path. If the file already exists, try to
38 // insert the sequential unifier to produce a new file, like foo-01.txt.
39 // Return a File if successful.
40 CONTENT_EXPORT base::File CreateFileForDrop(base::FilePath* file_path);
41
42 // Implementation of DownloadFileObserver to finalize the download process.
43 class PromiseFileFinalizer : public ui::DownloadFileObserver {
44  public:
45   explicit PromiseFileFinalizer(DragDownloadFile* drag_file_downloader);
46
47   // DownloadFileObserver methods.
48   void OnDownloadCompleted(const base::FilePath& file_path) override;
49   void OnDownloadAborted() override;
50
51  protected:
52   ~PromiseFileFinalizer() override;
53
54  private:
55   void Cleanup();
56
57   scoped_refptr<DragDownloadFile> drag_file_downloader_;
58
59   DISALLOW_COPY_AND_ASSIGN(PromiseFileFinalizer);
60 };
61
62 }  // namespace content
63
64 #endif  // CONTENT_BROWSER_DOWNLOAD_DRAG_DOWNLOAD_UTIL_H_