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tdelibs/interfaces/tdeimproxy/library/tdeimproxy.cpp

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/*
tdeimproxy.cpp
IM service library for KDE
Copyright (c) 2004 Will Stephenson <lists@stevello.free-online.co.uk>
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 <tqglobal.h>
#include <tqpixmapcache.h>
#include <dcopclient.h>
#include <tdeapplication.h>
#include <kdcopservicestarter.h>
#include <kdebug.h>
#include <tdemessagebox.h>
#include <ksimpleconfig.h>
#include <kiconloader.h>
#include <kservice.h>
#include <kservicetype.h>
#include "kimiface_stub.h"
#include "tdeimproxy.h"
static KStaticDeleter<KIMProxy> _staticDeleter;
KIMProxy * KIMProxy::s_instance = 0L;
struct AppPresenceCurrent
{
TQCString appId;
int presence;
};
class ContactPresenceListCurrent : public TQValueList<AppPresenceCurrent>
{
public:
// return value indicates if the supplied parameter was better than any existing presence
bool update( const AppPresenceCurrent );
AppPresenceCurrent best();
};
struct KIMProxy::Private
{
DCOPClient * dc;
// list of the strings in use by KIMIface
TQStringList presence_strings;
// list of the icon names in use by KIMIface
TQStringList presence_icons;
// map of presences
PresenceStringMap presence_map;
};
bool ContactPresenceListCurrent::update( AppPresenceCurrent ap )
{
if ( isEmpty() )
{
append( ap );
return true;
}
bool bestChanged = false;
AppPresenceCurrent best;
best.presence = -1;
ContactPresenceListCurrent::iterator it = begin();
const ContactPresenceListCurrent::iterator itEnd = end();
ContactPresenceListCurrent::iterator existing = itEnd;
while ( it != itEnd )
{
if ( (*it).presence > best.presence )
best = (*it);
if ( (*it).appId == ap.appId )
existing = it;
++it;
}
if ( ap.presence > best.presence ||
best.appId == ap.appId )
bestChanged = true;
if ( existing != itEnd )
{
remove( existing );
append( ap );
}
return bestChanged;
}
AppPresenceCurrent ContactPresenceListCurrent::best()
{
AppPresenceCurrent best;
best.presence = -1;
ContactPresenceListCurrent::iterator it = begin();
const ContactPresenceListCurrent::iterator itEnd = end();
while ( it != itEnd )
{
if ( (*it).presence > best.presence )
best = (*it);
++it;
}
// if it's still -1 here, we have no presence data, so we return Unknown
if ( best.presence == -1 )
best.presence = 0;
return best;
}
// int bestPresence( AppPresence* ap )
// {
// Q_ASSERT( ap );
// AppPresence::const_iterator it;
// it = ap->begin();
// int best = 0; // unknown
// if ( it != ap->end() )
// {
// best = it.data();
// ++it;
// for ( ; it != ap->end(); ++it )
// {
// if ( it.data() > best )
// best = it.data();
// }
// }
// return best;
// }
//
// TQCString bestAppId( AppPresence* ap )
// {
// Q_ASSERT( ap );
// AppPresence::const_iterator it;
// TQCString bestAppId;
// it = ap->begin();
// if ( it != ap->end() )
// {
// int best = it.data();
// bestAppId = it.key();
// ++it;
// for ( ; it != ap->end(); ++it )
// {
// if ( it.data() > best )
// {
// best = it.data();
// bestAppId = it.key();
// }
// }
// }
// return bestAppId;
// }
KIMProxy * KIMProxy::instance( DCOPClient * client )
{
if ( client )
{
if ( !s_instance )
_staticDeleter.setObject( s_instance, new KIMProxy( client ) );
return s_instance;
}
else
return 0L;
}
KIMProxy::KIMProxy( DCOPClient* dc ) : DCOPObject( "KIMProxyIface" ), TQObject(), d( new Private )
{
m_im_client_stubs.setAutoDelete( true );
d->dc = dc;
m_initialized = false;
connect( d->dc, TQT_SIGNAL( applicationRemoved( const TQCString& ) ) , this, TQT_SLOT( unregisteredFromDCOP( const TQCString& ) ) );
connect( d->dc, TQT_SIGNAL( applicationRegistered( const TQCString& ) ) , this, TQT_SLOT( registeredToDCOP( const TQCString& ) ) );
d->dc->setNotifications( true );
d->presence_strings.append( "Unknown" );
d->presence_strings.append( "Offline" );
d->presence_strings.append( "Connecting" );
d->presence_strings.append( "Away" );
d->presence_strings.append( "Online" );
d->presence_icons.append( "presence_unknown" );
d->presence_icons.append( "presence_offline" );
d->presence_icons.append( "presence_connecting" );
d->presence_icons.append( "presence_away" );
d->presence_icons.append( "presence_online" );
//TQCString senderApp = "Kopete";
//TQCString senderObjectId = "KIMIface";
TQCString method = "contactPresenceChanged( TQString, TQCString, int )";
//TQCString receiverObjectId = "KIMProxyIface";
// FIXME: make this work when the sender object id is set to KIMIFace
if ( !connectDCOPSignal( 0, 0, method, method, false ) )
kdWarning() << "Couldn't connect DCOP signal. Won't receive any status notifications!" << endl;
}
KIMProxy::~KIMProxy( )
{
//d->dc->setNotifications( false );
}
bool KIMProxy::initialize()
{
if ( !m_initialized )
{
m_initialized = true; // we should only do this once, as registeredToDCOP() will catch any new starts
// So there is no error from a failed query when using tdelibs 3.2, which don't have this servicetype
if ( KServiceType::serviceType( IM_SERVICE_TYPE ) )
{
//kdDebug( 790 ) << k_funcinfo << endl;
TQCString dcopObjectId = "KIMIface";
// see what apps implementing our service type are out there
KService::List offers = KServiceType::offers( IM_SERVICE_TYPE );
KService::List::iterator offer;
typedef TQValueList<TQCString> QCStringList;
QCStringList registeredApps = d->dc->registeredApplications();
QCStringList::iterator app;
const QCStringList::iterator end = registeredApps.end();
// for each registered app
for ( app = registeredApps.begin(); app != end; ++app )
{
//kdDebug( 790 ) << " considering: " << *app << endl;
//for each offer
for ( offer = offers.begin(); offer != offers.end(); ++offer )
{
TQCString dcopService = (*offer)->property("X-DCOP-ServiceName").toString().latin1();
if ( !dcopService.isEmpty() )
{
//kdDebug( 790 ) << " is it: " << dcopService << "?" << endl;
// get the application name ( minus any process ID )
TQCString instanceName = (*app).left( dcopService.length() );
// if the application implements the dcop service, add it
if ( instanceName == dcopService )
{
m_apps_available = true;
//kdDebug( 790 ) << " app name: " << (*offer)->name() << ", has instance " << *app << ", dcopService: " << dcopService << endl;
if ( !m_im_client_stubs.find( dcopService ) )
{
kdDebug( 790 ) << "App " << *app << ", dcopObjectId " << dcopObjectId << " found, using it for presence info." << endl;
m_im_client_stubs.insert( *app, new KIMIface_stub( d->dc, *app, dcopObjectId ) );
pollApp( *app );
}
}
}
}
}
}
}
return !m_im_client_stubs.isEmpty();
}
void KIMProxy::registeredToDCOP( const TQCString& appId )
{
//kdDebug( 790 ) << k_funcinfo << " appId '" << appId << "'" << endl;
// check that appId implements our service
// if the appId ends with a number, i.e. a pid like in foobar-12345,
if ( appId.isEmpty() )
return;
bool newApp = false;
// get an up to date list of offers in case a new app was installed
// and check each of the offers that implement the service type we're looking for,
// to see if any of them are the app that just registered
const KService::List offers = KServiceType::offers( IM_SERVICE_TYPE );
KService::List::const_iterator it;
for ( it = offers.begin(); it != offers.end(); ++it )
{
TQCString dcopObjectId = "KIMIface";
TQCString dcopService = (*it)->property("X-DCOP-ServiceName").toString().latin1();
if ( appId.left( dcopService.length() ) == dcopService )
{
// if it's not already known, insert it
if ( !m_im_client_stubs.find( appId ) )
{
newApp = true;
kdDebug( 790 ) << "App: " << appId << ", dcopService: " << dcopService << " started, using it for presence info."<< endl;
m_im_client_stubs.insert( appId, new KIMIface_stub( d->dc, appId, dcopObjectId ) );
}
}
//else
// kdDebug( 790 ) << "App doesn't implement our ServiceType" << endl;
}
//if ( newApp )
// emit sigPresenceInfoExpired();
}
void KIMProxy::unregisteredFromDCOP( const TQCString& appId )
{
//kdDebug( 790 ) << k_funcinfo << appId << endl;
if ( m_im_client_stubs.find( appId ) )
{
kdDebug( 790 ) << appId << " quit, removing its presence info." << endl;
PresenceStringMap::Iterator it = d->presence_map.begin();
const PresenceStringMap::Iterator end = d->presence_map.end();
for ( ; it != end; ++it )
{
ContactPresenceListCurrent list = it.data();
ContactPresenceListCurrent::iterator cpIt = list.begin();
while( cpIt != list.end() )
{
ContactPresenceListCurrent::iterator gone = cpIt++;
if ( (*gone).appId == appId )
{
list.remove( gone );
}
}
}
m_im_client_stubs.remove( appId );
emit sigPresenceInfoExpired();
}
}
void KIMProxy::contactPresenceChanged( TQString uid, TQCString appId, int presence )
{
// update the presence map
//kdDebug( 790 ) << k_funcinfo << "uid: " << uid << " appId: " << appId << " presence " << presence << endl;
ContactPresenceListCurrent current;
current = d->presence_map[ uid ];
//kdDebug( 790 ) << "current best presence from : " << current.best().appId << " is: " << current.best().presence << endl;
AppPresenceCurrent newPresence;
newPresence.appId = appId;
newPresence.presence = presence;
if ( current.update( newPresence ) )
{
d->presence_map.insert( uid, current );
emit sigContactPresenceChanged( uid );
}
}
int KIMProxy::presenceNumeric( const TQString& uid )
{
AppPresenceCurrent ap;
ap.presence = 0;
if ( initialize() )
{
ContactPresenceListCurrent presence = d->presence_map[ uid ];
ap = presence.best();
}
return ap.presence;
}
TQString KIMProxy::presenceString( const TQString& uid )
{
AppPresenceCurrent ap;
ap.presence = 0;
if ( initialize() )
{
ContactPresenceListCurrent presence = d->presence_map[ uid ];
ap = presence.best();
}
if ( ap.appId.isEmpty() )
return TQString::null;
else
return d->presence_strings[ ap.presence ];
}
TQPixmap KIMProxy::presenceIcon( const TQString& uid )
{
AppPresenceCurrent ap;
ap.presence = 0;
if ( initialize() )
{
ContactPresenceListCurrent presence = d->presence_map[ uid ];
ap = presence.best();
}
if ( ap.appId.isEmpty() )
{
//kdDebug( 790 ) << k_funcinfo << "returning a null TQPixmap because we were asked for an icon for a uid we know nothing about" << endl;
return TQPixmap();
}
else
{
//kdDebug( 790 ) << k_funcinfo << "returning this: " << d->presence_icons[ ap.presence ] << endl;
return SmallIcon( d->presence_icons[ ap.presence ]);
}
}
TQStringList KIMProxy::allContacts()
{
TQStringList value = d->presence_map.keys();
return value;
}
TQStringList KIMProxy::reachableContacts()
{
TQStringList value;
if ( initialize() )
{
TQDictIterator<KIMIface_stub> it( m_im_client_stubs );
for ( ; it.current(); ++it )
{
value += it.current()->reachableContacts( );
}
}
return value;
}
TQStringList KIMProxy::onlineContacts()
{
TQStringList value;
PresenceStringMap::iterator it = d->presence_map.begin();
const PresenceStringMap::iterator end= d->presence_map.end();
for ( ; it != end; ++it )
if ( it.data().best().presence > 2 /*Better than Connecting, ie Away or Online*/ )
value.append( it.key() );
return value;
}
TQStringList KIMProxy::fileTransferContacts()
{
TQStringList value;
if ( initialize() )
{
TQDictIterator<KIMIface_stub> it( m_im_client_stubs );
for ( ; it.current(); ++it )
{
value += it.current()->fileTransferContacts( );
}
}
return value;
}
bool KIMProxy::isPresent( const TQString& uid )
{
return ( !d->presence_map[ uid ].isEmpty() );
}
TQString KIMProxy::displayName( const TQString& uid )
{
TQString name;
if ( initialize() )
{
if ( KIMIface_stub* s = stubForUid( uid ) )
name = s->displayName( uid );
}
//kdDebug( 790 ) << k_funcinfo << name << endl;
return name;
}
bool KIMProxy::canReceiveFiles( const TQString & uid )
{
if ( initialize() )
{
if ( KIMIface_stub* s = stubForUid( uid ) )
return s->canReceiveFiles( uid );
}
return false;
}
bool KIMProxy::canRespond( const TQString & uid )
{
if ( initialize() )
{
if ( KIMIface_stub* s = stubForUid( uid ) )
return s->canRespond( uid );
}
return false;
}
TQString KIMProxy::context( const TQString & uid )
{
if ( initialize() )
{
if ( KIMIface_stub* s = stubForUid( uid ) )
return s->context( uid );
}
return TQString::null;
}
void KIMProxy::chatWithContact( const TQString& uid )
{
if ( initialize() )
{
if ( KIMIface_stub* s = stubForUid( uid ) )
{
kapp->updateRemoteUserTimestamp( s->app() );
s->chatWithContact( uid );
}
}
return;
}
void KIMProxy::messageContact( const TQString& uid, const TQString& message )
{
if ( initialize() )
{
if ( KIMIface_stub* s = stubForUid( uid ) )
{
kapp->updateRemoteUserTimestamp( s->app() );
s->messageContact( uid, message );
}
}
return;
}
void KIMProxy::sendFile(const TQString &uid, const KURL &sourceURL, const TQString &altFileName, uint fileSize )
{
if ( initialize() )
{
TQDictIterator<KIMIface_stub> it( m_im_client_stubs );
for ( ; it.current(); ++it )
{
if ( it.current()->canReceiveFiles( uid ) )
{
kapp->updateRemoteUserTimestamp( it.current()->app() );
it.current()->sendFile( uid, sourceURL, altFileName, fileSize );
break;
}
}
}
return;
}
bool KIMProxy::addContact( const TQString &contactId, const TQString &protocol )
{
if ( initialize() )
{
if ( KIMIface_stub* s = stubForProtocol( protocol ) )
return s->addContact( contactId, protocol );
}
return false;
}
TQString KIMProxy::locate( const TQString & contactId, const TQString & protocol )
{
if ( initialize() )
{
if ( KIMIface_stub* s = stubForProtocol( protocol ) )
return s->locate( contactId, protocol );
}
return TQString::null;
}
bool KIMProxy::imAppsAvailable()
{
return ( !m_im_client_stubs.isEmpty() );
}
bool KIMProxy::startPreferredApp()
{
TQString preferences = TQString("[X-DCOP-ServiceName] = '%1'").arg( preferredApp() );
// start/find an instance of DCOP/InstantMessenger
TQString error;
TQCString dcopService;
// Get a preferred IM client.
// The app will notify itself to us using registeredToDCOP, so we don't need to record a stub for it here
// FIXME: error in preferences, see debug output
preferences = TQString::null;
int result = KDCOPServiceStarter::self()->findServiceFor( IM_SERVICE_TYPE, TQString::null, preferences, &error, &dcopService );
kdDebug( 790 ) << k_funcinfo << "error was: " << error << ", dcopService: " << dcopService << endl;
return ( result == 0 );
}
void KIMProxy::pollAll( const TQString &uid )
{
/* // We only need to call this function if we don't have any data at all
// otherwise, the data will be kept fresh by received presence change
// DCOP signals
if ( !d->presence_map.contains( uid ) )
{
AppPresence *presence = new AppPresence();
// record current presence from known clients
TQDictIterator<KIMIface_stub> it( m_im_client_stubs );
for ( ; it.current(); ++it )
{
presence->insert( it.currentKey().ascii(), it.current()->presenceStatus( uid ) ); // m_im_client_stubs has qstring keys...
}
d->presence_map.insert( uid, presence );
}*/
}
void KIMProxy::pollApp( const TQCString & appId )
{
//kdDebug( 790 ) << k_funcinfo << endl;
KIMIface_stub * appStub = m_im_client_stubs[ appId ];
TQStringList contacts = m_im_client_stubs[ appId ]->allContacts();
TQStringList::iterator it = contacts.begin();
TQStringList::iterator end = contacts.end();
for ( ; it != end; ++it )
{
ContactPresenceListCurrent current = d->presence_map[ *it ];
AppPresenceCurrent ap;
ap.appId = appId;
ap.presence = appStub->presenceStatus( *it );
current.append( ap );
d->presence_map.insert( *it, current );
if ( current.update( ap ) )
emit sigContactPresenceChanged( *it );
//kdDebug( 790 ) << " uid: " << *it << " presence: " << ap.presence << endl;
}
}
KIMIface_stub * KIMProxy::stubForUid( const TQString &uid )
{
// get best appPresence
AppPresenceCurrent ap = d->presence_map[ uid ].best();
// look up the presence string from that app
return m_im_client_stubs.find( ap.appId );
}
KIMIface_stub * KIMProxy::stubForProtocol( const TQString &protocol)
{
KIMIface_stub * app;
// see if the preferred client supports this protocol
TQString preferred = preferredApp();
if ( ( app = m_im_client_stubs.find( preferred ) ) )
{
if ( app->protocols().grep( protocol ).count() > 0 )
return app;
}
// preferred doesn't do this protocol, try the first of the others that says it does
TQDictIterator<KIMIface_stub> it( m_im_client_stubs );
for ( ; it.current(); ++it )
{
if ( it.current()->protocols().grep( protocol ).count() > 0 )
return it.current();
}
return 0L;
}
TQString KIMProxy::preferredApp()
{
TDEConfig *store = new KSimpleConfig( IM_CLIENT_PREFERENCES_FILE );
store->setGroup( IM_CLIENT_PREFERENCES_SECTION );
TQString preferredApp = store->readEntry( IM_CLIENT_PREFERENCES_ENTRY );
//kdDebug( 790 ) << k_funcinfo << "found preferred app: " << preferredApp << endl;
return preferredApp;
}
#include "tdeimproxy.moc"