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
15class GURL;
16
17namespace base {
18class FilePath;
19}
20
21namespace 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
32bool 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.
40CONTENT_EXPORT base::File CreateFileForDrop(base::FilePath* file_path);
41
42// Implementation of DownloadFileObserver to finalize the download process.
43class PromiseFileFinalizer : public ui::DownloadFileObserver {
44 public:
45  explicit PromiseFileFinalizer(DragDownloadFile* drag_file_downloader);
46
47  // DownloadFileObserver methods.
48  virtual void OnDownloadCompleted(const base::FilePath& file_path) OVERRIDE;
49  virtual void OnDownloadAborted() OVERRIDE;
50
51 protected:
52  virtual ~PromiseFileFinalizer();
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_
65