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/**
* This file is part of TelepathyQt
*
* @copyright Copyright (C) 2010 Collabora Ltd. <http://www.collabora.co.uk/>
* @copyright Copyright (C) 2010 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
*/
#ifndef _TelepathyQt_generic_capability_filter_h_HEADER_GUARD_
#define _TelepathyQt_generic_capability_filter_h_HEADER_GUARD_
#ifndef IN_TP_QT_HEADER
#error IN_TP_QT_HEADER
#endif
#include <TelepathyQt/ConnectionCapabilities>
#include <TelepathyQt/Filter>
#include <TelepathyQt/Types>
namespace Tp
{
template <class T>
class GenericCapabilityFilter : public Filter<T>
{
public:
static SharedPtr<GenericCapabilityFilter<T> > create(
const RequestableChannelClassSpecList &rccSpecs = RequestableChannelClassSpecList())
{
return SharedPtr<GenericCapabilityFilter<T> >(new GenericCapabilityFilter<T>(
rccSpecs));
}
inline virtual ~GenericCapabilityFilter() { }
inline virtual bool isValid() const { return true; }
inline virtual bool matches(const SharedPtr<T> &t) const
{
bool supportedRcc;
RequestableChannelClassSpecList objectRccSpecs = t->capabilities().allClassSpecs();
Q_FOREACH (const RequestableChannelClassSpec &filterRccSpec, mFilter) {
supportedRcc = false;
Q_FOREACH (const RequestableChannelClassSpec &objectRccSpec, objectRccSpecs) {
/* check if fixed properties match */
if (filterRccSpec.fixedProperties() == objectRccSpec.fixedProperties()) {
supportedRcc = true;
/* check if all allowed properties in the filter RCC
* are in the object RCC allowed properties */
Q_FOREACH (const QString &value, filterRccSpec.allowedProperties()) {
if (!objectRccSpec.allowsProperty(value)) {
/* one of the properties in the filter RCC
* allowed properties is not in the object RCC
* allowed properties */
supportedRcc = false;
break;
}
}
/* this RCC is supported, no need to check anymore */
if (supportedRcc) {
break;
}
}
}
/* one of the filter RCC is not supported, this object
* won't match filter */
if (!supportedRcc) {
return false;
}
}
return true;
}
inline RequestableChannelClassSpecList filter() const { return mFilter; }
inline void addRequestableChannelClassSubset(const RequestableChannelClassSpec &rccSpec)
{
mFilter.append(rccSpec.bareClass());
}
inline void setRequestableChannelClassesSubset(const RequestableChannelClassSpecList &rccSpecs)
{
mFilter = rccSpecs.bareClasses();
}
private:
GenericCapabilityFilter(const RequestableChannelClassSpecList &rccSpecs)
: Filter<T>(), mFilter(rccSpecs) { }
RequestableChannelClassSpecList mFilter;
};
} // Tp
#endif
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