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/*
* Copyright (C) 2012 Canonical, Ltd.
*
* Authors:
* Gustavo Pichorim Boiko <gustavo.boiko@canonical.com>
*
* This file is part of telephony-service.
*
* telephony-service is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 3.
*
* telephony-service 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "channelobserver.h"
#include "protocolmanager.h"
#include "telepathyhelper.h"
#include <TelepathyQt/CallChannel>
#include <TelepathyQt/ChannelClassSpecList>
#include <TelepathyQt/MethodInvocationContext>
#include <TelepathyQt/TextChannel>
ChannelObserver::ChannelObserver(QObject *parent) :
QObject(parent), Tp::AbstractClientObserver(channelFilters(), true)
{
}
Tp::ChannelClassSpecList ChannelObserver::channelFilters() const
{
Tp::ChannelClassSpecList specList;
specList << TelepathyHelper::audioConferenceSpec();
specList << Tp::ChannelClassSpec::audioCall();
specList << Tp::ChannelClassSpec::textChat();
specList << Tp::ChannelClassSpec::textChatroom();
specList << Tp::ChannelClassSpec::unnamedTextChat();
return specList;
}
void ChannelObserver::observeChannels(const Tp::MethodInvocationContextPtr<> &context,
const Tp::AccountPtr &account,
const Tp::ConnectionPtr &connection,
const QList<Tp::ChannelPtr> &channels,
const Tp::ChannelDispatchOperationPtr &dispatchOperation,
const QList<Tp::ChannelRequestPtr> &requestsSatisfied,
const Tp::AbstractClientObserver::ObserverInfo &observerInfo)
{
Q_UNUSED(connection)
Q_UNUSED(dispatchOperation)
Q_UNUSED(requestsSatisfied)
Q_UNUSED(observerInfo)
if (!ProtocolManager::instance()->isProtocolSupported(account->protocolName())) {
context->setFinishedWithError(TP_QT_ERROR_NOT_CAPABLE, "The account for this request is not supported.");
return;
}
Q_FOREACH (Tp::ChannelPtr channel, channels) {
mContexts[channel.data()] = context;
mChannels.append(channel);
connect(channel.data(),
SIGNAL(invalidated(Tp::DBusProxy*,const QString&, const QString&)),
SLOT(onChannelInvalidated()));
Tp::CallChannelPtr callChannel = Tp::CallChannelPtr::dynamicCast(channel);
if (callChannel) {
Tp::PendingReady *ready = callChannel->becomeReady(Tp::Features()
<< Tp::CallChannel::FeatureCore
<< Tp::CallChannel::FeatureCallMembers
<< Tp::CallChannel::FeatureCallState
<< Tp::CallChannel::FeatureContents
<< Tp::CallChannel::FeatureLocalHoldState);
connect(ready,
SIGNAL(finished(Tp::PendingOperation*)),
SLOT(onCallChannelReady(Tp::PendingOperation*)));
mReadyMap[ready] = callChannel;
}
Tp::TextChannelPtr textChannel = Tp::TextChannelPtr::dynamicCast(channel);
if (textChannel) {
Tp::PendingReady *ready = textChannel->becomeReady(Tp::Features()
<< Tp::TextChannel::FeatureCore
<< Tp::TextChannel::FeatureChatState
<< Tp::TextChannel::FeatureMessageCapabilities
<< Tp::TextChannel::FeatureMessageQueue
<< Tp::TextChannel::FeatureMessageSentSignal);
connect(ready,
SIGNAL(finished(Tp::PendingOperation*)),
SLOT(onTextChannelReady(Tp::PendingOperation*)));
mReadyMap[ready] = textChannel;
}
}
}
void ChannelObserver::onCallChannelReady(Tp::PendingOperation *op)
{
Tp::PendingReady *ready = qobject_cast<Tp::PendingReady*>(op);
if (!ready) {
qCritical() << "Pending operation is not a pending ready:" << op;
return;
}
if (!mReadyMap.contains(ready)) {
qWarning() << "Pending ready finished but not on the map:" << ready;
return;
}
Tp::CallChannelPtr callChannel = Tp::CallChannelPtr::dynamicCast(mReadyMap[ready]);
mReadyMap.remove(ready);
if (!callChannel) {
qWarning() << "Ready channel is not a call channel:" << callChannel;
return;
}
// save the timestamp as a property in the call channel
callChannel->setProperty("timestamp", QDateTime::currentDateTime());
if (callChannel->callState() == Tp::CallStateActive) {
callChannel->setProperty("activeTimestamp", QDateTime::currentDateTime());
}
Q_EMIT callChannelAvailable(callChannel);
checkContextFinished(callChannel.data());
}
void ChannelObserver::onChannelInvalidated()
{
Tp::ChannelPtr channel(qobject_cast<Tp::Channel*>(sender()));
mChannels.removeAll(channel);
}
void ChannelObserver::onTextChannelReady(Tp::PendingOperation *op)
{
Tp::PendingReady *ready = qobject_cast<Tp::PendingReady*>(op);
if (!ready) {
qCritical() << "Pending operation is not a pending ready:" << op;
return;
}
if (!mReadyMap.contains(ready)) {
qWarning() << "Pending ready finished but not on the map:" << ready;
return;
}
Tp::TextChannelPtr textChannel = Tp::TextChannelPtr::dynamicCast(mReadyMap[ready]);
mReadyMap.remove(ready);
if (!textChannel) {
qWarning() << "Ready channel is not a call channel:" << textChannel;
return;
}
Q_EMIT textChannelAvailable(textChannel);
checkContextFinished(textChannel.data());
}
void ChannelObserver::checkContextFinished(Tp::Channel *channel)
{
if (!mContexts.contains(channel)) {
qWarning() << "Context for channel not available:" << channel;
return;
}
Tp::MethodInvocationContextPtr<> context = mContexts[channel];
mContexts.remove(channel);
// check if this is the last channel from the context
Q_FOREACH(Tp::MethodInvocationContextPtr<> otherContext, mContexts.values()) {
// if we find the context, just return from the function. We need to wait
// for the other channels to become ready before setting the context finished
if (otherContext == context) {
return;
}
}
context->setFinished();
}
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