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/*
* Copyright (C) 2010-2016 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef Download_h
#define Download_h
#include "DownloadID.h"
#include "MessageSender.h"
#include "SandboxExtension.h"
#include <WebCore/ResourceHandle.h>
#include <WebCore/ResourceHandleClient.h>
#include <WebCore/ResourceRequest.h>
#include <WebCore/SessionID.h>
#include <memory>
#include <wtf/Noncopyable.h>
#include <wtf/RetainPtr.h>
#if USE(NETWORK_SESSION)
#if PLATFORM(COCOA)
OBJC_CLASS NSURLSessionDownloadTask;
#endif
#else // USE(NETWORK_SESSION)
#if PLATFORM(COCOA)
OBJC_CLASS NSURLDownload;
OBJC_CLASS WKDownloadAsDelegate;
#endif
#endif // USE(NETWORK_SESSION)
#if USE(CFURLCONNECTION)
#include <CFNetwork/CFURLDownloadPriv.h>
#endif
namespace IPC {
class DataReference;
}
namespace WebCore {
class AuthenticationChallenge;
class BlobDataFileReference;
class Credential;
class ResourceError;
class ResourceHandle;
class ResourceResponse;
}
namespace WebKit {
class DownloadManager;
class NetworkDataTask;
class NetworkSession;
class WebPage;
class Download : public IPC::MessageSender {
WTF_MAKE_NONCOPYABLE(Download); WTF_MAKE_FAST_ALLOCATED;
public:
#if USE(NETWORK_SESSION)
Download(DownloadManager&, DownloadID, NetworkDataTask&, const WebCore::SessionID& sessionID, const String& suggestedFilename = { });
#if PLATFORM(COCOA)
Download(DownloadManager&, DownloadID, NSURLSessionDownloadTask*, const WebCore::SessionID& sessionID, const String& suggestedFilename = { });
#endif
#else
Download(DownloadManager&, DownloadID, const WebCore::ResourceRequest&, const String& suggestedFilename = { });
#endif
~Download();
#if !USE(NETWORK_SESSION)
void setBlobFileReferences(Vector<RefPtr<WebCore::BlobDataFileReference>>&& fileReferences) { m_blobFileReferences = WTFMove(fileReferences); }
void start();
void startWithHandle(WebCore::ResourceHandle*, const WebCore::ResourceResponse&);
#endif
void resume(const IPC::DataReference& resumeData, const String& path, const SandboxExtension::Handle&);
void cancel();
DownloadID downloadID() const { return m_downloadID; }
const String& suggestedName() const { return m_suggestedName; }
#if USE(NETWORK_SESSION)
void setSandboxExtension(RefPtr<SandboxExtension>&& sandboxExtension) { m_sandboxExtension = WTFMove(sandboxExtension); }
#else
const WebCore::ResourceRequest& request() const { return m_request; }
void didReceiveAuthenticationChallenge(const WebCore::AuthenticationChallenge&);
void didStart();
void didReceiveResponse(const WebCore::ResourceResponse&);
bool shouldDecodeSourceDataOfMIMEType(const String& mimeType);
String decideDestinationWithSuggestedFilename(const String& filename, bool& allowOverwrite);
void decideDestinationWithSuggestedFilenameAsync(const String&);
void didDecideDownloadDestination(const String& destinationPath, const SandboxExtension::Handle&, bool allowOverwrite);
void continueDidReceiveResponse();
void platformDidFinish();
#endif
void didCreateDestination(const String& path);
void didReceiveData(uint64_t length);
void didFinish();
void didFail(const WebCore::ResourceError&, const IPC::DataReference& resumeData);
void didCancel(const IPC::DataReference& resumeData);
private:
// IPC::MessageSender
IPC::Connection* messageSenderConnection() override;
uint64_t messageSenderDestinationID() override;
#if !USE(NETWORK_SESSION)
void startNetworkLoad();
void startNetworkLoadWithHandle(WebCore::ResourceHandle*, const WebCore::ResourceResponse&);
void platformInvalidate();
#endif
void platformCancelNetworkLoad();
bool isAlwaysOnLoggingAllowed() const;
DownloadManager& m_downloadManager;
DownloadID m_downloadID;
Vector<RefPtr<WebCore::BlobDataFileReference>> m_blobFileReferences;
RefPtr<SandboxExtension> m_sandboxExtension;
#if USE(NETWORK_SESSION)
RefPtr<NetworkDataTask> m_download;
#if PLATFORM(COCOA)
RetainPtr<NSURLSessionDownloadTask> m_downloadTask;
#endif
WebCore::SessionID m_sessionID;
#else // USE(NETWORK_SESSION)
WebCore::ResourceRequest m_request;
String m_responseMIMEType;
#if PLATFORM(COCOA)
RetainPtr<NSURLDownload> m_nsURLDownload;
RetainPtr<WKDownloadAsDelegate> m_delegate;
#endif
#if USE(CFURLCONNECTION)
RetainPtr<CFURLDownloadRef> m_download;
#endif
std::unique_ptr<WebCore::ResourceHandleClient> m_downloadClient;
RefPtr<WebCore::ResourceHandle> m_resourceHandle;
#endif // USE(NETWORK_SESSION)
String m_suggestedName;
bool m_hasReceivedData { false };
};
} // namespace WebKit
#endif // Download_h
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