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// Copyright (c) 2010 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_DOWNLOAD_DRAG_DOWNLOAD_UTIL_H_
#define CHROME_BROWSER_DOWNLOAD_DRAG_DOWNLOAD_UTIL_H_
#include "app/download_file_interface.h"
#include "base/basictypes.h"
#include "base/ref_counted.h"
#include "base/string16.h"
#include "chrome/browser/download/drag_download_file.h"
class FilePath;
class GURL;
namespace net {
class FileStream;
}
namespace drag_download_util {
// Parse the download metadata set in DataTransfer.setData. The metadata
// consists of a set of the following values separated by ":"
// * MIME type
// * File name
// * URL
// If the file name contains special characters, they need to be escaped
// appropriately.
// For example, we can have
// text/plain:example.txt:http://example.com/example.txt
bool ParseDownloadMetadata(const string16& metadata,
string16* mime_type,
FilePath* file_name,
GURL* url);
// Create a new file at the specified path. If the file already exists, try to
// insert the sequential unifier to produce a new file, like foo-01.txt.
// Return a FileStream if successful.
net::FileStream* CreateFileStreamForDrop(FilePath* file_path);
// Implementation of DownloadFileObserver to finalize the download process.
class PromiseFileFinalizer : public DownloadFileObserver {
public:
explicit PromiseFileFinalizer(DragDownloadFile* drag_file_downloader)
: drag_file_downloader_(drag_file_downloader) {
}
virtual ~PromiseFileFinalizer() { }
// DownloadFileObserver methods.
virtual void OnDownloadCompleted(const FilePath& file_path);
virtual void OnDownloadAborted();
private:
void Cleanup();
scoped_refptr<DragDownloadFile> drag_file_downloader_;
DISALLOW_COPY_AND_ASSIGN(PromiseFileFinalizer);
};
} // namespace drag_download_util
#endif // CHROME_BROWSER_DOWNLOAD_DRAG_DOWNLOAD_UTIL_H_
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