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// -*- Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil; -*-
/**
* broker.cpp
*
* Copyright (C) 2003 Zack Rusin <zack@kde.org>
*
* 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 Street, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#include "broker.h"
#include "settings.h"
#include "client.h"
#include "defaultdictionary.h"
#include "dictionary.h"
#include <tdeparts/plugin.h>
#include <tdeparts/componentfactory.h>
#include <kplugininfo.h>
#include <ktrader.h>
#include <tdeconfig.h>
#include <kdebug.h>
#include <tqptrdict.h>
#include <tqmap.h>
#define DEFAULT_CONFIG_FILE "tdespellrc"
namespace KSpell2
{
class Broker::Private
{
public:
KPluginInfo::List plugins;
Settings *settings;
// <language, Clients with that language >
TQMap<TQString, TQPtrList<Client> > languageClients;
TQStringList clients;
DefaultDictionary *defaultDictionary;
};
TQPtrDict<Broker> *Broker::s_brokers = 0;
Broker *Broker::openBroker( KSharedConfig *config )
{
KSharedConfig::Ptr preventDeletion;
if ( !config ) {
preventDeletion = KSharedConfig::openConfig( DEFAULT_CONFIG_FILE );
} else
preventDeletion = config;
if ( s_brokers ) {
Broker *broker = s_brokers->find( preventDeletion );
if ( broker )
return broker;
}
Broker *broker = new Broker( preventDeletion );
return broker;
}
Broker::Broker( KSharedConfig *config )
{
KSharedConfig::Ptr preventDeletion( config );
Q_UNUSED( preventDeletion );
if ( !s_brokers )
s_brokers = new TQPtrDict<Broker>;
s_brokers->insert( config, this );
d = new Private;
d->settings = new Settings( this, config );
loadPlugins();
d->defaultDictionary = new DefaultDictionary( d->settings->defaultLanguage(),
this );
}
Broker::~Broker()
{
kdDebug()<<"Removing broker : "<< this << endl;
s_brokers->remove( d->settings->sharedConfig() );
KPluginInfo::List::iterator it = d->plugins.begin();
while ( it != d->plugins.end() ) {
KPluginInfo *pluginInfo = *it;
it = d->plugins.remove( it );
delete pluginInfo;
}
delete d->settings; d->settings = 0;
delete d; d = 0;
}
DefaultDictionary* Broker::defaultDictionary() const
{
return d->defaultDictionary;
}
Dictionary* Broker::dictionary( const TQString& language, const TQString& clientName ) const
{
TQString pclient = clientName;
TQString plang = language;
bool ddefault = false;
if ( plang.isEmpty() ) {
plang = d->settings->defaultLanguage();
}
if ( clientName == d->settings->defaultClient() &&
plang == d->settings->defaultLanguage() ) {
ddefault = true;
}
TQPtrList<Client> lClients = d->languageClients[ plang ];
if ( lClients.isEmpty() ) {
kdError()<<"No language dictionaries for the language : "<< plang <<endl;
return 0;
}
TQPtrListIterator<Client> itr( lClients );
while ( itr.current() ) {
if ( !pclient.isEmpty() ) {
if ( pclient == itr.current()->name() ) {
Dictionary *dict = itr.current()->dictionary( plang );
if ( dict ) //remove the if if the assert proves ok
dict->m_default = ddefault;
return dict;
}
} else {
//the first one is the one with the highest
//reliability
Dictionary *dict = itr.current()->dictionary( plang );
Q_ASSERT( dict );
if ( dict ) //remove the if if the assert proves ok
dict->m_default = ddefault;
return dict;
}
++itr;
}
return 0;
}
TQStringList Broker::clients() const
{
return d->clients;
}
TQStringList Broker::languages() const
{
return d->languageClients.keys();
}
Settings* Broker::settings() const
{
return d->settings;
}
void Broker::loadPlugins()
{
d->plugins = KPluginInfo::fromServices(
KTrader::self()->query( "KSpell/Client" ) );
for ( KPluginInfo::List::Iterator itr = d->plugins.begin();
itr != d->plugins.end(); ++itr ) {
loadPlugin( ( *itr )->pluginName() );
}
}
void Broker::loadPlugin( const TQString& pluginId )
{
int error = 0;
kdDebug()<<"Loading plugin " << pluginId << endl;
Client *client = KParts::ComponentFactory::createInstanceFromQuery<Client>(
TQString::fromLatin1( "KSpell/Client" ),
TQString::fromLatin1( "[X-TDE-PluginInfo-Name]=='%1'" ).arg( pluginId ),
this, 0, TQStringList(), &error );
if ( client )
{
TQStringList languages = client->languages();
d->clients.append( client->name() );
for ( TQStringList::Iterator itr = languages.begin();
itr != languages.end(); ++itr ) {
if ( !d->languageClients[ *itr ].isEmpty() &&
client->reliability() < d->languageClients[ *itr ].first()->reliability() )
d->languageClients[ *itr ].append( client );
else
d->languageClients[ *itr ].prepend( client );
}
kdDebug() << k_funcinfo << "Successfully loaded plugin '"
<< pluginId << "'" << endl;
}
else
{
switch( error )
{
case KParts::ComponentFactory::ErrNoServiceFound:
kdDebug() << k_funcinfo << "No service implementing the given mimetype "
<< "and fullfilling the given constraint expression can be found."
<< endl;
break;
case KParts::ComponentFactory::ErrServiceProvidesNoLibrary:
kdDebug() << "the specified service provides no shared library." << endl;
break;
case KParts::ComponentFactory::ErrNoLibrary:
kdDebug() << "the specified library could not be loaded." << endl;
break;
case KParts::ComponentFactory::ErrNoFactory:
kdDebug() << "the library does not export a factory for creating components."
<< endl;
break;
case KParts::ComponentFactory::ErrNoComponent:
kdDebug() << "the factory does not support creating "
<< "components of the specified type."
<< endl;
break;
}
kdDebug() << k_funcinfo << "Loading plugin '" << pluginId
<< "' failed, KLibLoader reported error: '" << endl
<< KLibLoader::self()->lastErrorMessage() << "'" << endl;
}
}
void Broker::changed()
{
emit configurationChanged();
}
}
#include "broker.moc"
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