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/**
 * This file is part of TelepathyQt
 *
 * @copyright Copyright (C) 2009 Collabora Ltd. <http://www.collabora.co.uk/>
 * @copyright Copyright (C) 2009 Nokia Corporation
 * @license LGPL 2.1
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

#include <TelepathyQt/PendingSendMessage>

#include "TelepathyQt/_gen/pending-send-message.moc.hpp"

#include <TelepathyQt/ContactMessenger>
#include <TelepathyQt/Message>
#include <TelepathyQt/TextChannel>

namespace Tp
{

struct TP_QT_NO_EXPORT PendingSendMessage::Private
{
    Private(const Message &message)
        : message(message)
    {
    }

    QString token;
    Message message;
};

/**
 * \class PendingSendMessage
 * \ingroup clientchannel
 * \headerfile TelepathyQt/pending-send-message.h <TelepathyQt/PendingSendMessage>
 *
 * \brief The PendingSendMessage class represents the parameters of and the
 * reply to an asynchronous message send request.
 *
 * See \ref async_model
 */

PendingSendMessage::PendingSendMessage(const TextChannelPtr &channel, const Message &message)
    : PendingOperation(channel),
      mPriv(new Private(message))
{
}

PendingSendMessage::PendingSendMessage(const ContactMessengerPtr &messenger, const Message &message)
    : PendingOperation(messenger),
      mPriv(new Private(message))
{
}

PendingSendMessage::~PendingSendMessage()
{
    delete mPriv;
}

/**
 * Return the channel used to send the message if this instance was created using
 * TextChannel. If it was created using ContactMessenger, return a null TextChannelPtr.
 *
 * \return A pointer to the TextChannel object, or a null TextChannelPtr if created using
 *         ContactMessenger.
 */
TextChannelPtr PendingSendMessage::channel() const
{
    return TextChannelPtr(qobject_cast<TextChannel*>((TextChannel*) object().data()));
}

/**
 * Return the contact messenger used to send the message if this instance was created using
 * ContactMessenger. If it was created using TextChannel, return a null ContactMessengerPtr.
 *
 * \return A pointer to the ContactMessenger object, or a null ContactMessengerPtr if created using
 *         TextChannel.
 */
ContactMessengerPtr PendingSendMessage::messenger() const
{
    return ContactMessengerPtr(qobject_cast<ContactMessenger*>((ContactMessenger*) object().data()));
}

QString PendingSendMessage::sentMessageToken() const
{
    return mPriv->token;
}

Message PendingSendMessage::message() const
{
    return mPriv->message;
}

void PendingSendMessage::onTextSent(QDBusPendingCallWatcher *watcher)
{
    QDBusPendingReply<> reply = *watcher;

    if (reply.isError()) {
        setFinishedWithError(reply.error());
    } else {
        setFinished();
    }
    watcher->deleteLater();
}

void PendingSendMessage::onMessageSent(QDBusPendingCallWatcher *watcher)
{
    QDBusPendingReply<QString> reply = *watcher;

    if (reply.isError()) {
        setFinishedWithError(reply.error());
    } else {
        mPriv->token = reply.value();
        setFinished();
    }
    watcher->deleteLater();
}

void PendingSendMessage::onCDMessageSent(QDBusPendingCallWatcher *watcher)
{
    QDBusPendingReply<QString> reply = *watcher;

    if (reply.isError()) {
        QDBusError error = reply.error();
        if (error.name() == TP_QT_DBUS_ERROR_UNKNOWN_METHOD ||
            error.name() == TP_QT_DBUS_ERROR_UNKNOWN_INTERFACE) {
            setFinishedWithError(TP_QT_ERROR_NOT_IMPLEMENTED,
                    QLatin1String("Channel Dispatcher implementation (e.g. mission-control), "
                        "does not support interface CD.I.Messages"));
        } else {
            setFinishedWithError(error);
        }
    } else {
        mPriv->token = reply.value();
        setFinished();
    }
    watcher->deleteLater();
}

} // Tp