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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_DOWNLOAD_DRAG_DOWNLOAD_UTIL_H_
#define CONTENT_BROWSER_DOWNLOAD_DRAG_DOWNLOAD_UTIL_H_
#include <string>
#include "base/files/file.h"
#include "content/browser/download/drag_download_file.h"
#include "ui/base/dragdrop/download_file_interface.h"
class GURL;
namespace base {
class FilePath;
}
namespace content {
// 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 std::u16string& metadata,
std::u16string* mime_type,
base::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 File if successful.
base::File CreateFileForDrop(base::FilePath* file_path);
// Implementation of DownloadFileObserver to finalize the download process.
class PromiseFileFinalizer : public ui::DownloadFileObserver {
public:
explicit PromiseFileFinalizer(
std::unique_ptr<DragDownloadFile> drag_file_downloader);
PromiseFileFinalizer(const PromiseFileFinalizer&) = delete;
PromiseFileFinalizer& operator=(const PromiseFileFinalizer&) = delete;
// DownloadFileObserver methods.
void OnDownloadCompleted(const base::FilePath& file_path) override;
void OnDownloadAborted() override;
protected:
~PromiseFileFinalizer() override;
private:
void Cleanup();
std::unique_ptr<DragDownloadFile> drag_file_downloader_;
};
} // namespace content
#endif // CONTENT_BROWSER_DOWNLOAD_DRAG_DOWNLOAD_UTIL_H_
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