/usr/include/kparts/componentfactory.h is in kdelibs5-dev 4:4.8.5-0ubuntu0.6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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Copyright (C) 2001 Simon Hausmann <hausmann@kde.org>
Copyright (C) 2002-2006 David Faure <faure@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.
*/
#ifndef KPARTS_COMPONENTFACTORY_H
#define KPARTS_COMPONENTFACTORY_H
#include <kparts/factory.h>
#include <kparts/part.h>
#include <kservicetypetrader.h>
#ifndef KDE_NO_DEPRECATED
#include <klibloader.h>
#endif
#include <kmimetypetrader.h>
namespace KParts
{
namespace ComponentFactory
{
/**
* This template function allows to ask the given kparts factory to
* create an instance of the given template type.
*
* Example of usage:
* \code
* KViewPart *doc = KParts::ComponentFactory::createPartInstanceFromFactory<KViewPart>( factory, parent );
* \endcode
*
* @deprecated use KPluginFactory::create instead
*
* @param factory The factory to ask for the creation of the component
* @param parentWidget the parent widget for the part
* @param parent The parent object (see QObject constructor)
* @param args A list of string arguments, passed to the factory and possibly
* to the component (see KLibFactory)
* @return A pointer to the newly created object or a null pointer if the
* factory was unable to create an object of the given type.
*/
#ifndef KDE_NO_DEPRECATED
template <class T>
KDE_DEPRECATED T *createPartInstanceFromFactory( KParts::Factory *factory,
QWidget *parentWidget = 0,
QObject *parent = 0,
const QStringList &args = QStringList() )
{
KParts::Part *object = factory->createPart( parentWidget,
parent,
T::staticMetaObject.className(),
args );
T *result = dynamic_cast<T *>( object );
if ( !result )
delete object;
return result;
}
#endif
/*
* @deprecated use KPluginFactory::create instead
*/
#ifndef KDE_NO_DEPRECATED
template <class T>
KDE_DEPRECATED T *createPartInstanceFromLibrary( const char *libraryName,
QWidget *parentWidget = 0,
QObject *parent = 0,
const QStringList &args = QStringList(),
int *error = 0 )
{
KLibrary *library = KLibLoader::self()->library( QString( libraryName ) ); // compatibility hack
if ( !library )
{
if ( error )
*error = KLibLoader::ErrNoLibrary;
return 0;
}
KLibFactory *factory = library->factory();
if ( !factory )
{
library->unload();
if ( error )
*error = KLibLoader::ErrNoFactory;
return 0;
}
KParts::Factory *partFactory = dynamic_cast<KParts::Factory *>( factory );
if ( !partFactory )
{
library->unload();
if ( error )
*error = KLibLoader::ErrNoFactory;
return 0;
}
T *res = createPartInstanceFromFactory<T>( partFactory, parentWidget,
parent, args );
if ( !res )
{
library->unload();
if ( error )
*error = KLibLoader::ErrNoComponent;
}
return res;
}
#endif
/**
* @deprecated use KService::createInstance instead
*/
#ifndef KDE_NO_DEPRECATED
template <class T>
KDE_DEPRECATED T *createPartInstanceFromService( const KService::Ptr &service,
QWidget *parentWidget = 0,
QObject *parent = 0,
const QStringList &args = QStringList(),
int *error = 0 )
{
QString library = service->library();
if ( library.isEmpty() )
{
if ( error )
*error = KLibLoader::ErrServiceProvidesNoLibrary;
return 0;
}
return createPartInstanceFromLibrary<T>( library.toLocal8Bit().data(), parentWidget,
parent, args, error );
}
#endif
#ifndef KDE_NO_DEPRECATED
template <class T, class ServiceIterator>
KDE_DEPRECATED T *createPartInstanceFromServices( ServiceIterator begin,
ServiceIterator end,
QWidget *parentWidget = 0,
QObject *parent = 0,
const QStringList &args = QStringList(),
int *error = 0 )
{
for (; begin != end; ++begin )
{
KService::Ptr service = *begin;
if ( error )
*error = 0;
T *component = createPartInstanceFromService<T>( service, parentWidget,
parent, args, error );
if ( component )
return component;
}
if ( error )
*error = KLibLoader::ErrNoServiceFound;
return 0;
}
#endif
/**
* This method creates and returns a KParts part from a serviceType (e.g. a mimetype).
*
* You can use this method to create a generic viewer - that can display any
* kind of file, provided that there is a ReadOnlyPart installed for it - in 5 lines:
* \code
* // Given the following: KUrl url, QWidget* parentWidget and QObject* parentObject.
* QString mimetype = KMimeType::findByURL( url )->name();
* KParts::ReadOnlyPart* part = KParts::ComponentFactory::createPartInstanceFromQuery<KParts::ReadOnlyPart>( mimetype, QString(), parentWidget, parentObject );
* if ( part ) {
* part->openUrl( url );
* part->widget()->show(); // also insert the widget into a layout, or simply use a KVBox as parentWidget
* }
* \endcode
*
* @deprecated use KMimeTypeTrader::createPartInstanceFromQuery instead
*
* @param mimeType the mimetype which this part is associated with
* @param constraint an optional constraint to pass to the trader (see KTrader)
* @param parentWidget the parent widget, will be set as the parent of the part's widget
* @param parent the parent object for the part itself
* @param args A list of string arguments, passed to the factory and possibly
* to the component (see KLibFactory)
* @param error The int passed here will receive an error code in case of errors.
* (See enum KLibLoader::ComponentLoadingError)
* @return A pointer to the newly created object or a null pointer if the
* factory was unable to create an object of the given type.
*/
#ifndef KDE_NO_DEPRECATED
template <class T>
KDE_DEPRECATED T *createPartInstanceFromQuery( const QString &mimeType,
const QString &constraint,
QWidget *parentWidget = 0,
QObject *parent = 0,
const QStringList &args = QStringList(),
int *error = 0 )
{
const KService::List offers = KMimeTypeTrader::self()->query( mimeType, QLatin1String("KParts/ReadOnlyPart"), constraint );
if ( offers.isEmpty() )
{
if ( error )
*error = KLibLoader::ErrNoServiceFound;
return 0;
}
return createPartInstanceFromServices<T>( offers.begin(), offers.end(),
parentWidget,
parent, args, error );
}
#endif // KDE_NO_DEPRECATED
}
}
/*
* vim: et sw=4
*/
#endif
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