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// Copyright (c) 2011 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_PLUGIN_DOWNLOAD_HELPER_H_
#define CHROME_BROWSER_PLUGIN_DOWNLOAD_HELPER_H_
#pragma once
#include <string>
#include "build/build_config.h"
#if defined(OS_WIN)
#include "base/file_path.h"
#include "net/base/file_stream.h"
#include "net/url_request/url_request.h"
#include "ui/gfx/native_widget_types.h"
// The PluginDownloadUrlHelper is used to handle one download URL request
// from the plugin. Each download request is handled by a new instance
// of this class.
class PluginDownloadUrlHelper : public net::URLRequest::Delegate {
static const int kDownloadFileBufferSize = 32768;
public:
// The delegate receives notification about the status of downloads
// initiated.
class DownloadDelegate {
public:
virtual ~DownloadDelegate() {}
virtual void OnDownloadCompleted(const FilePath& download_path,
bool success) {}
};
PluginDownloadUrlHelper(const std::string& download_url,
gfx::NativeWindow caller_window,
PluginDownloadUrlHelper::DownloadDelegate* delegate);
~PluginDownloadUrlHelper();
void InitiateDownload(net::URLRequestContext* request_context);
// net::URLRequest::Delegate
virtual void OnAuthRequired(net::URLRequest* request,
net::AuthChallengeInfo* auth_info);
virtual void OnSSLCertificateError(net::URLRequest* request,
int cert_error,
net::X509Certificate* cert);
virtual void OnResponseStarted(net::URLRequest* request);
virtual void OnReadCompleted(net::URLRequest* request, int bytes_read);
void OnDownloadCompleted(net::URLRequest* request);
protected:
void DownloadCompletedHelper(bool success);
// The download file request initiated by the plugin.
net::URLRequest* download_file_request_;
// Handle to the downloaded file.
scoped_ptr<net::FileStream> download_file_;
// The full path of the downloaded file.
FilePath download_file_path_;
// The buffer passed off to net::URLRequest::Read.
scoped_refptr<net::IOBuffer> download_file_buffer_;
// TODO(port): this comment doesn't describe the situation on Posix.
// The window handle for sending the WM_COPYDATA notification,
// indicating that the download completed.
gfx::NativeWindow download_file_caller_window_;
std::string download_url_;
PluginDownloadUrlHelper::DownloadDelegate* delegate_;
DISALLOW_COPY_AND_ASSIGN(PluginDownloadUrlHelper);
};
#endif // OS_WIN
#endif // CHROME_BROWSER_PLUGIN_DOWNLOAD_HELPER_H_
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