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/*
* This file is part of TelepathyQt4Yell Models
*
* Copyright (C) 2010 Collabora Ltd. <http://www.collabora.co.uk/>
*
* 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 <TelepathyQt4Yell/Models/SessionConversationModel>
#include "TelepathyQt4Yell/Models/_gen/session-conversation-model.moc.hpp"
#include <TelepathyQt4Yell/Models/TextEventItem>
#include <TelepathyQt4Yell/Models/CustomEventItem>
#include <TelepathyQt4/AvatarData>
#include <TelepathyQt4/Connection>
#include <TelepathyQt4/ContactManager>
#include <TelepathyQt4/PendingReady>
#include <TelepathyQt4/ReceivedMessage>
#include <QPixmap>
#include <QtAlgorithms>
namespace Tpy
{
struct TELEPATHY_QT4_YELL_MODELS_NO_EXPORT SessionConversationModel::Private
{
Private(const Tp::ContactPtr &self, const Tp::TextChannelPtr &channel)
: mSelf(self),
mChannel(channel),
mChannelQueueConnected(false),
mNumPendingMessages(0)
{
}
Tp::ContactPtr mSelf;
Tp::TextChannelPtr mChannel;
bool mChannelQueueConnected;
int mNumPendingMessages;
};
/**
* \class SessionConversationModel
* \ingroup models
* \headerfile TelepathyQt4Yell/session-conversation-model.h <TelepathyQt4Yell/SessionConversationModel>
*
* \brief A model for a text chat conversation
*
*/
/**
* Construct a SessionConversationModel object
* \param self The contact on the local end of the conversation
* \param channel The text channel of the conversation
* \param parent the parent object
*/
SessionConversationModel::SessionConversationModel(const Tp::ContactPtr &self, const Tp::TextChannelPtr &channel, QObject *parent)
: AbstractConversationModel(parent),
mPriv(new Private(self,channel))
{
connect(mPriv->mChannel.data(),
SIGNAL(messageReceived(Tp::ReceivedMessage)),
SLOT(onMessageReceived(Tp::ReceivedMessage)));
connect(mPriv->mChannel.data(),
SIGNAL(chatStateChanged(Tp::ContactPtr,Tp::ChannelChatState)),
SLOT(onChatStateChanged(Tp::ContactPtr,Tp::ChannelChatState)));
}
SessionConversationModel::~SessionConversationModel()
{
delete mPriv;
}
/**
* Send a message using the text channel and add an EventItem object to the model
* For more info, see the Tp::TextChannel:sendMessage documentation
*/
void SessionConversationModel::sendMessage(const QString &text, Tp::ChannelTextMessageType type, Tp::MessageSendingFlags flags)
{
Tp::ContactPtr receiver;
if (!mPriv->mChannel.isNull() &&
mPriv->mChannel->targetHandle() != 0 &&
!mPriv->mChannel->connection().isNull() &&
!mPriv->mChannel->connection()->contactManager().isNull()) {
uint handle = mPriv->mChannel->targetHandle();
receiver = mPriv->mChannel->connection()->contactManager()->lookupContactByHandle(handle);
}
TextEventItem *item = new TextEventItem(mPriv->mSelf, receiver,
QDateTime::currentDateTime(), text, type, this);
addItem(item);
mPriv->mChannel->send(item->messageText(), type, flags);
}
/**
* Returns the contact of the local end of the conversation
* \param parent the parent object
*/
Tp::ContactPtr SessionConversationModel::selfContact() const
{
return mPriv->mSelf;
}
void SessionConversationModel::onMessageReceived(const Tp::ReceivedMessage &message)
{
if (mPriv->mChannelQueueConnected) {
// TODO: For the moment skip if the message is a delivery report
// Later they could be used to report status on sent messages
if (message.messageType() != Tp::ChannelTextMessageTypeDeliveryReport) {
TextEventItem *item = new TextEventItem(message.sender(), mPriv->mSelf,
message.sent(), message.text(), message.messageType(), this);
addItem(item);
}
mPriv->mChannel->acknowledge(QList<Tp::ReceivedMessage>() << message);
} else {
emit numPendingMessagesChanged();
}
}
/**
* When the chat state of the channel changes, if it was changed by a contact on the remote end,
* a custom event item is added to the model with the data of the change
* \param contact The contact that requested the chat state change
* \param state The current chat state
*/
void SessionConversationModel::onChatStateChanged(const Tp::ContactPtr &contact, Tp::ChannelChatState state)
{
// ignore events originating from self
if (contact == mPriv->mSelf) {
return;
}
if (state == Tp::ChannelChatStateGone) {
QString message = QString::fromLatin1("%1 left the chat").arg(contact->alias());
CustomEventItem *item = new CustomEventItem(contact, mPriv->mSelf,
QDateTime::currentDateTime(), message, CustomEventItem::CustomEventUserLeftChat, this);
addItem(item);
}
}
/**
* Disconnect the model from the channel messages queue so that messages on the queue will not
* be acknowledged and entered into the model automatically.
* This is useful when a conversation is paused, and the application may want to show messages still
* unread by the user, eg. the messages still in the queue
*/
void SessionConversationModel::disconnectChannelQueue()
{
mPriv->mChannelQueueConnected = false;
}
/**
* Reconnect the model to the channel queue and acknowledge messages on the queue
*/
void SessionConversationModel::connectChannelQueue()
{
mPriv->mChannelQueueConnected = true;
// flush the queue and enter all messages into the model
// display messages already in queue
bool messagesReceived = false;
foreach (Tp::ReceivedMessage message, mPriv->mChannel->messageQueue()) {
onMessageReceived(message);
messagesReceived = true;
}
if (messagesReceived) {
qDebug() << "emiting numPendingMessagesChanged";
emit numPendingMessagesChanged();
}
}
/**
* Returns whether the channel message queue is currently connected to the model.
* If connected, incoming messages will be automatically added to model
*/
Q_INVOKABLE bool SessionConversationModel::channelQueueConnected() const
{
return mPriv->mChannelQueueConnected;
}
/**
* Number of messages in the channel message queue
*/
int SessionConversationModel::numPendingMessages() const
{
if (!mPriv->mChannelQueueConnected && !mPriv->mChannel.isNull()) {
return mPriv->mChannel->messageQueue().count();
}
return 0;
}
}
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