64 lines
1.9 KiB
C
64 lines
1.9 KiB
C
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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef _DRAG_DOWNLOAD_UTIL_H
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#define _DRAG_DOWNLOAD_UTIL_H
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#pragma once
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#include "drag_download_file.h"
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#include "base/basictypes.h"
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#include "base/memory/ref_counted.h"
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#include "base/string16.h"
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#include "ui/base/dragdrop/download_file_interface.h"
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class FilePath;
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class GURL;
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namespace net {
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class FileStream;
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}
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namespace drag_download_util {
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// Parse the download metadata set in DataTransfer.setData. The metadata
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// consists of a set of the following values separated by ":"
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// * MIME type
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// * File name
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// * URL
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// If the file name contains special characters, they need to be escaped
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// appropriately.
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// For example, we can have
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// text/plain:example.txt:http://example.com/example.txt
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bool ParseDownloadMetadata(const string16& metadata,
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string16* mime_type,
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FilePath* file_name,
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GURL* url);
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// Create a new file at the specified path. If the file already exists, try to
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// insert the sequential unifier to produce a new file, like foo-01.txt.
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// Return a FileStream if successful.
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net::FileStream* CreateFileStreamForDrop(FilePath* file_path);
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// Implementation of DownloadFileObserver to finalize the download process.
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class PromiseFileFinalizer : public ui::DownloadFileObserver {
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public:
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explicit PromiseFileFinalizer(DragDownloadFile* drag_file_downloader);
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virtual ~PromiseFileFinalizer();
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// DownloadFileObserver methods.
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virtual void OnDownloadCompleted(const FilePath& file_path);
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virtual void OnDownloadAborted();
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private:
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void Cleanup();
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scoped_refptr<DragDownloadFile> drag_file_downloader_;
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DISALLOW_COPY_AND_ASSIGN(PromiseFileFinalizer);
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};
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} // namespace drag_download_util
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#endif // _DRAG_DOWNLOAD_UTIL_H
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