/*

    Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de)

    Copyright (C) 2001 Dirk Mueller <mueller@kde.org>

    Copyright (C) 2004, 2006, 2007 Apple Inc. All rights reserved.

    This library is free software; you can redistribute it and/or

    modify it under the terms of the GNU Library General Public

    License as published by the Free Software Foundation; either

    version 2 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,

    but WITHOUT ANY WARRANTY; without even the implied warranty of

    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public License

    along with this library; see the file COPYING.LIB.  If not, write to

    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,

    Boston, MA 02110-1301, USA.

*/

#ifndef loader_h

#define loader_h

#include "DeprecatedPtrList.h"

#include "SubresourceLoaderClient.h"

#include <wtf/HashMap.h>

namespace WebCore {

    class CachedResource;

    class DocLoader;

    class Request;

    class Loader : private SubresourceLoaderClient {

    public:

        Loader();

        ~Loader();

        void load(DocLoader*, CachedResource*, bool incremental = true, bool skipCanLoadCheck = false, bool sendResourceLoadCallbacks = true);

        void cancelRequests(DocLoader*);

    private:

        virtual void didReceiveResponse(SubresourceLoader*, const ResourceResponse&);

        virtual void didReceiveData(SubresourceLoader*, const char*, int);

        virtual void didFinishLoading(SubresourceLoader*);

        virtual void didFail(SubresourceLoader*, const ResourceError&);

        void didFail(SubresourceLoader*, bool cancelled = false);

        void servePendingRequests();

        DeprecatedPtrList<Request> m_requestsPending;

        typedef HashMap<RefPtr<SubresourceLoader>, Request*> RequestMap;

        RequestMap m_requestsLoading;

    };

}

#endif