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/**
* This file is part of TelepathyQt
*
* @copyright Copyright (C) 2011 Collabora Ltd. <http://www.collabora.co.uk/>
* @copyright Copyright (C) 2011 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/fake-handler-manager-internal.h"
#include "TelepathyQt/_gen/fake-handler-manager-internal.moc.hpp"
#include <TelepathyQt/Channel>
namespace Tp
{
FakeHandler::FakeHandler(const QDBusConnection &bus)
: QObject(),
mBus(bus)
{
}
FakeHandler::~FakeHandler()
{
}
ObjectPathList FakeHandler::handledChannels() const
{
ObjectPathList ret;
foreach (const Channel *channel, mChannels) {
ret << QDBusObjectPath(channel->objectPath());
}
return ret;
}
void FakeHandler::registerChannel(const ChannelPtr &channel)
{
if (mChannels.contains(channel.data())) {
return;
}
mChannels.insert(channel.data());
connect(channel.data(),
SIGNAL(invalidated(Tp::DBusProxy*,QString,QString)),
SLOT(onChannelInvalidated(Tp::DBusProxy*)));
connect(channel.data(),
SIGNAL(destroyed(QObject*)),
SLOT(onChannelDestroyed(QObject*)));
}
void FakeHandler::onChannelInvalidated(DBusProxy *channel)
{
disconnect(channel, SIGNAL(destroyed(QObject*)), this, SLOT(onChannelDestroyed(QObject*)));
onChannelDestroyed(channel);
}
void FakeHandler::onChannelDestroyed(QObject *obj)
{
Channel *channel = reinterpret_cast<Channel*>(obj);
Q_ASSERT(mChannels.contains(channel));
mChannels.remove(channel);
if (mChannels.isEmpty()) {
// emit invalidated here instead of relying on QObject::destroyed as FakeHandlerManager
// may reuse this fake handler if FakeHandlerManager::registerChannel is called before the
// slot from QObject::destroyed is invoked (deleteLater()).
emit invalidated(this);
deleteLater();
}
}
FakeHandlerManager *FakeHandlerManager::mInstance = 0;
FakeHandlerManager *FakeHandlerManager::instance()
{
if (!mInstance) {
mInstance = new FakeHandlerManager();
}
return mInstance;
}
FakeHandlerManager::FakeHandlerManager()
: QObject()
{
}
FakeHandlerManager::~FakeHandlerManager()
{
mInstance = 0;
}
ObjectPathList FakeHandlerManager::handledChannels(const QDBusConnection &bus) const
{
QPair<QString, QString> busUniqueId(bus.name(), bus.baseService());
if (mFakeHandlers.contains(busUniqueId)) {
FakeHandler *fakeHandler = mFakeHandlers.value(busUniqueId);
return fakeHandler->handledChannels();
}
return ObjectPathList();
}
void FakeHandlerManager::registerClientRegistrar(const ClientRegistrarPtr &cr)
{
QDBusConnection bus(cr->dbusConnection());
QPair<QString, QString> busUniqueId(bus.name(), bus.baseService());
// keep one registrar around per bus so at least the handlers registered by it will be
// around until all channels on that bus gets invalidated/destroyed
if (!mClientRegistrars.contains(busUniqueId)) {
mClientRegistrars.insert(busUniqueId, cr);
}
}
void FakeHandlerManager::registerChannels(const QList<ChannelPtr> &channels)
{
foreach (const ChannelPtr &channel, channels) {
QDBusConnection bus(channel->dbusConnection());
QPair<QString, QString> busUniqueId(bus.name(), bus.baseService());
FakeHandler *fakeHandler = mFakeHandlers.value(busUniqueId);
if (!fakeHandler) {
fakeHandler = new FakeHandler(bus);
mFakeHandlers.insert(busUniqueId, fakeHandler);
connect(fakeHandler,
SIGNAL(invalidated(Tp::FakeHandler*)),
SLOT(onFakeHandlerInvalidated(Tp::FakeHandler*)));
}
fakeHandler->registerChannel(channel);
}
}
void FakeHandlerManager::onFakeHandlerInvalidated(FakeHandler *fakeHandler)
{
QDBusConnection bus(fakeHandler->dbusConnection());
QPair<QString, QString> busUniqueId(bus.name(), bus.baseService());
mFakeHandlers.remove(busUniqueId);
// all channels for the bus represented by busUniqueId were already destroyed/invalidated,
// we can now free the CR (thus the handlers registered by it) registered for that bus
mClientRegistrars.remove(busUniqueId);
if (mFakeHandlers.isEmpty()) {
// set mInstance to 0 here as we don't want instance() to return a already
// deleted instance
mInstance = 0;
deleteLater();
}
}
}
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