/*
 * Copyright (C) 2015 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 NetworkSession_h
#define NetworkSession_h

#if PLATFORM(COCOA)
OBJC_CLASS NSURLSession;
OBJC_CLASS NSOperationQueue;
OBJC_CLASS WKNetworkSessionDelegate;
#endif

#include "DownloadID.h"
#include "NetworkDataTask.h"
#include <WebCore/SessionID.h>
#include <wtf/HashMap.h>
#include <wtf/Ref.h>
#include <wtf/RefCounted.h>

namespace WebKit {

class CustomProtocolManager;

class NetworkSession {
    friend class NetworkDataTask;
public:
    enum class Type {
        Normal,
        Ephemeral
    };
    NetworkSession(Type, WebCore::SessionID, CustomProtocolManager*);
    ~NetworkSession();

    static NetworkSession& defaultSession();

    NetworkDataTask* dataTaskForIdentifier(NetworkDataTask::TaskIdentifier);

    void addDownloadID(NetworkDataTask::TaskIdentifier, DownloadID);
    DownloadID downloadID(NetworkDataTask::TaskIdentifier);
    DownloadID takeDownloadID(NetworkDataTask::TaskIdentifier);
    
private:
    HashMap<NetworkDataTask::TaskIdentifier, NetworkDataTask*> m_dataTaskMap;
    HashMap<NetworkDataTask::TaskIdentifier, DownloadID> m_downloadMap;
#if PLATFORM(COCOA)
    RetainPtr<NSURLSession> m_sessionWithCredentialStorage;
    RetainPtr<NSURLSession> m_sessionWithoutCredentialStorage;
    RetainPtr<WKNetworkSessionDelegate> m_sessionDelegate;
#endif
};

} // namespace WebKit

#endif // NetworkSession_h
