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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt Mobility Components.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QPluginLoader>
#include "qversitcontactpluginloader_p.h"
#include "qmobilitypluginsearch.h"
QTM_USE_NAMESPACE
/*!
A less-than function for factory indices (see QVersitContactHandlerFactory::index()).
Positive values come first (ascendingly), then zero, then negative values (ascendingly).
*/
bool factoryLessThan(QVersitContactHandlerFactory* a, QVersitContactHandlerFactory* b) {
if ((a->index() > 0 && b->index() > 0)
|| (a->index() < 0 && b->index() < 0))
// same sign
return a->index() < b->index();
else
// a is zero
// or b is zero
// or opposite sign
return b->index() < a->index();
}
QVersitContactPluginLoader* QVersitContactPluginLoader::mInstance = NULL;
/*!
* \class QVersitContactPluginLoader
* This is a singleton class that loads Versit plugins for contacts processing
\inmodule QtVersit
*/
QVersitContactPluginLoader::QVersitContactPluginLoader()
{
}
/*!
* Returns the singleton instance of the QVersitContactPluginLoader.
*/
QVersitContactPluginLoader* QVersitContactPluginLoader::instance()
{
if (!mInstance)
mInstance = new QVersitContactPluginLoader;
return mInstance;
}
void QVersitContactPluginLoader::loadPlugins() {
QStringList plugins = mobilityPlugins(QLatin1String("versit"));
if (plugins != mPluginPaths) {
mPluginPaths = plugins;
foreach (const QString& pluginPath, mPluginPaths) {
QPluginLoader qpl(pluginPath);
QObject* plugin = qpl.instance();
QVersitContactHandlerFactory* contactPlugin =
qobject_cast<QVersitContactHandlerFactory*>(plugin);
if (contactPlugin && !mLoadedFactories.contains(contactPlugin->name())) {
mLoadedFactories.insert(contactPlugin->name());
mContactHandlerFactories.append(contactPlugin);
}
}
qSort(mContactHandlerFactories.begin(), mContactHandlerFactories.end(), factoryLessThan);
}
}
/*!
* Creates and returns handlers from the plugin. If \a profiles is the empty string, only handlers
* with an empty profile list are returned. If \a profiles is nonempty, only handlers with either
* an empty profile list or a profile list that contains the given \a profiles are returned.
*
* The caller is responsible for deleting all returned handlers.
*/
QList<QVersitContactHandler*> QVersitContactPluginLoader::createContactHandlers(const QStringList& profiles)
{
loadPlugins();
QList<QVersitContactHandler*> handlers;
foreach (const QVersitContactHandlerFactory* factory, mContactHandlerFactories) {
// if the plugin specifies no profiles, include it
QSet<QString> factoryProfiles(factory->profiles());
bool includePlugin = factory->profiles().isEmpty();
if (!includePlugin) {
// if the plugin's profile list intersects with the requested profile list, include it.
foreach (const QString& profile, profiles) {
if (factoryProfiles.contains(profile)) {
includePlugin = true;
break;
}
}
}
if (includePlugin) {
QVersitContactHandler* handler = factory->createHandler();
handlers.append(handler);
}
}
return handlers;
}
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