kde-playground/akonadi/agentserver/agentserver.cpp
2015-09-23 09:37:02 +00:00

134 lines
3.8 KiB
C++

/*
Copyright (c) 2010 Volker Krause <vkrause@kde.org>
This library is free software; you can redistribute it and/or modify it
under the terms of the GNU Library General Public License as published by
the Free Software Foundation; either version 2 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 Library General Public
License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
*/
#include "agentserver.h"
#include "agentthread.h"
#include "libs/xdgbasedirs_p.h"
#include "libs/protocol_p.h"
#include "shared/akdebug.h"
#include <QtCore/QCoreApplication>
#include <QtCore/QDebug>
#include <QtCore/QPluginLoader>
#include <QtCore/QTimer>
#include <QtDBus/QDBusConnection>
using namespace Akonadi;
AgentServer::AgentServer( QObject *parent )
: QObject( parent )
, m_processingConfigureRequests( false )
, m_quiting( false )
{
QDBusConnection::sessionBus().registerObject( QLatin1String( AKONADI_DBUS_AGENTSERVER_PATH ),
this, QDBusConnection::ExportScriptableSlots );
}
AgentServer::~AgentServer()
{
qDebug() << Q_FUNC_INFO;
if ( !m_quiting ) {
quit();
}
}
void AgentServer::agentInstanceConfigure( const QString &identifier, qlonglong windowId )
{
m_configureQueue.enqueue( ConfigureInfo( identifier, windowId ) );
if ( !m_processingConfigureRequests ) { // Start processing the requests if needed.
QTimer::singleShot( 0, this, SLOT(processConfigureRequest()) );
}
}
bool AgentServer::started( const QString &identifier ) const
{
return m_agents.contains( identifier );
}
void AgentServer::startAgent( const QString &identifier, const QString &typeIdentifier, const QString &fileName )
{
akDebug() << Q_FUNC_INFO << identifier << typeIdentifier << fileName;
//First try to load it staticly
Q_FOREACH ( QObject *plugin, QPluginLoader::staticInstances() ) {
if ( plugin->objectName() == fileName ) {
AgentThread *thread = new AgentThread( identifier, plugin, this );
m_agents.insert( identifier, thread );
thread->start();
return;
}
}
QPluginLoader *loader = m_agentLoader.load( fileName );
if ( loader == 0 ) {
return; // No plugin found, debug output in AgentLoader.
}
Q_ASSERT( loader->isLoaded() );
AgentThread *thread = new AgentThread( identifier, loader->instance(), this );
m_agents.insert( identifier, thread );
thread->start();
}
void AgentServer::stopAgent( const QString &identifier )
{
if ( !m_agents.contains( identifier ) ) {
return;
}
AgentThread *thread = m_agents.take( identifier );
thread->quit();
thread->wait();
delete thread;
}
void AgentServer::quit()
{
Q_ASSERT( !m_quiting );
m_quiting = true;
QMutableHashIterator<QString, AgentThread *> it( m_agents );
while ( it.hasNext() ) {
it.next();
stopAgent( it.key() );
}
QCoreApplication::instance()->quit();
}
void AgentServer::processConfigureRequest()
{
if ( m_processingConfigureRequests ) {
return; // Protect against reentrancy
}
m_processingConfigureRequests = true;
while ( !m_configureQueue.empty() ) {
const ConfigureInfo info = m_configureQueue.dequeue();
// call configure on the agent with id info.first for windowId info.second.
Q_ASSERT( m_agents.contains( info.first ) );
AgentThread *thread = m_agents.value( info.first );
thread->configure( info.second );
}
m_processingConfigureRequests = false;
}