azothutil.h

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/**********************************************************************
 * LeechCraft - modular cross-platform feature rich internet client.
 * Copyright (C) 2006-2014  Georg Rudoy
 *
 * Distributed under the Boost Software License, Version 1.0.
 * (See accompanying file LICENSE or copy at https://www.boost.org/LICENSE_1_0.txt)
 **********************************************************************/
 
#pragma once
 
#include <QList>
#include <QDateTime>
#include <QtDebug>
#include <interfaces/azoth/imessage.h>
 
namespace LC
{
namespace Azoth
{
namespace AzothUtil
{
    namespace detail
    {
        inline IMessage* GetIMessage (IMessage *msg)
        {
            return msg;
        }
 
        template<typename T>
        IMessage* GetIMessage (T *msgObj)
        {
            return qobject_cast<IMessage*> (msgObj);
        }
    }
 
    template<typename T>
    void StandardPurgeMessages (QList<T*>& messages, const QDateTime& before)
    {
        if (!before.isValid ())
        {
            qDeleteAll (messages);
            messages.clear ();
            return;
        }
 
        while (!messages.isEmpty ())
        {
            const auto msg = detail::GetIMessage (messages.at (0));
            if (!msg)
            {
                qWarning () << Q_FUNC_INFO
                        << "unable to cast"
                        << messages.at (0)
                        << "to IMessage; just blindly removing it and hoping for the best";
                messages.removeAt (0);
                continue;
            }
            if (msg->GetDateTime () < before)
                delete messages.takeAt (0);
            else
                break;
        }
    }
}
}
}