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tdenetwork/kopete/plugins/webpresence/webpresenceplugin.cpp

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/*
webpresenceplugin.cpp
Kopete Web Presence plugin
Copyright (c) 2005 by Tommi Rantala <tommi.rantala@cs.helsinki.fi>
Copyright (c) 2002,2003 by Will Stephenson <will@stevello.free-online.co.uk>
Kopete (c) 2002-2005 by the Kopete developers <kopete-devel@kde.org>
*************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
*************************************************************************
*/
#include "config.h"
#include <tqdom.h>
#include <tqtimer.h>
#include <tqfile.h>
#include <kdebug.h>
#include <kconfig.h>
#include <kgenericfactory.h>
#include <kmessagebox.h>
#include <ktempfile.h>
#include <kstandarddirs.h>
#ifdef HAVE_XSLT
#include <libxml/parser.h>
#include <libxml/tree.h>
#include <libxslt/xsltconfig.h>
#include <libxslt/xsltInternals.h>
#include <libxslt/transform.h>
#include <libxslt/xsltutils.h>
#endif
#include "kopetepluginmanager.h"
#include "kopeteprotocol.h"
#include "kopeteaccountmanager.h"
#include "kopeteaccount.h"
#include "webpresenceplugin.h"
typedef KGenericFactory<WebPresencePlugin> WebPresencePluginFactory;
K_EXPORT_COMPONENT_FACTORY( kopete_webpresence, WebPresencePluginFactory( "kopete_webpresence" ) )
WebPresencePlugin::WebPresencePlugin( TQObject *parent, const char *name, const TQStringList& /*args*/ )
: Kopete::Plugin( WebPresencePluginFactory::instance(), parent, name ),
shuttingDown( false ), resultFormatting( WEB_HTML )
{
m_writeScheduler = new TQTimer( this );
connect ( m_writeScheduler, TQT_SIGNAL( timeout() ), this, TQT_SLOT( slotWriteFile() ) );
connect( Kopete::AccountManager::self(), TQT_SIGNAL(accountRegistered(Kopete::Account*)),
this, TQT_SLOT( listenToAllAccounts() ) );
connect( Kopete::AccountManager::self(), TQT_SIGNAL(accountUnregistered(Kopete::Account*)),
this, TQT_SLOT( listenToAllAccounts() ) );
connect(this, TQT_SIGNAL(settingsChanged()), this, TQT_SLOT( loadSettings() ) );
loadSettings();
listenToAllAccounts();
}
WebPresencePlugin::~WebPresencePlugin()
{
}
void WebPresencePlugin::loadSettings()
{
KConfig *kconfig = KGlobal::config();
kconfig->setGroup( "Web Presence Plugin" );
frequency = kconfig->readNumEntry("UploadFrequency", 15);
resultURL = kconfig->readPathEntry("uploadURL");
resultFormatting = WEB_UNDEFINED;
if ( kconfig->readBoolEntry( "formatHTML", false ) ) {
resultFormatting = WEB_HTML;
} else if ( kconfig->readBoolEntry( "formatXHTML", false ) ) {
resultFormatting = WEB_XHTML;
} else if ( kconfig->readBoolEntry( "formatXML", false ) ) {
resultFormatting = WEB_XML;
} else if ( kconfig->readBoolEntry( "formatStylesheet", false ) ) {
resultFormatting = WEB_CUSTOM;
userStyleSheet = kconfig->readEntry("formatStylesheetURL");
}
// Default to HTML if we dont get anything useful from config file.
if ( resultFormatting == WEB_UNDEFINED )
resultFormatting = WEB_HTML;
useImagesInHTML = kconfig->readBoolEntry( "useImagesHTML", false );
useImName = kconfig->readBoolEntry("showName", true);
userName = kconfig->readEntry("showThisName");
showAddresses = kconfig->readBoolEntry("includeIMAddress", false);
// Update file when settings are changed.
slotWriteFile();
}
void WebPresencePlugin::listenToAllAccounts()
{
// connect to signals notifying of all accounts' status changes
ProtocolList protocols = allProtocols();
for ( ProtocolList::Iterator it = protocols.begin();
it != protocols.end(); ++it )
{
TQDict<Kopete::Account> accounts = Kopete::AccountManager::self()->accounts( *it );
TQDictIterator<Kopete::Account> acIt( accounts );
for( ; Kopete::Account *account = acIt.current(); ++acIt )
{
listenToAccount( account );
}
}
slotWaitMoreStatusChanges();
}
void WebPresencePlugin::listenToAccount( Kopete::Account* account )
{
if(account && account->myself())
{
// Connect to the account's status changed signal
// because we can't know if the account has already connected
TQObject::disconnect( account->myself(),
TQT_SIGNAL(onlineStatusChanged( Kopete::Contact *,
const Kopete::OnlineStatus &,
const Kopete::OnlineStatus & ) ),
this,
TQT_SLOT( slotWaitMoreStatusChanges() ) ) ;
TQObject::connect( account->myself(),
TQT_SIGNAL(onlineStatusChanged( Kopete::Contact *,
const Kopete::OnlineStatus &,
const Kopete::OnlineStatus & ) ),
this,
TQT_SLOT( slotWaitMoreStatusChanges() ) );
}
}
void WebPresencePlugin::slotWaitMoreStatusChanges()
{
if ( !m_writeScheduler->isActive() )
m_writeScheduler->start( frequency * 1000 );
}
void WebPresencePlugin::slotWriteFile()
{
m_writeScheduler->stop();
// generate the (temporary) XML file representing the current contactlist
KURL dest( resultURL );
if ( resultURL.isEmpty() || !dest.isValid() )
{
kdDebug(14309) << "url is empty or not valid. NOT UPDATING!" << endl;
return;
}
KTempFile* xml = generateFile();
xml->setAutoDelete( true );
kdDebug(14309) << k_funcinfo << " " << xml->name() << endl;
switch( resultFormatting ) {
case WEB_XML:
m_output = xml;
xml = 0L;
break;
case WEB_HTML:
case WEB_XHTML:
case WEB_CUSTOM:
m_output = new KTempFile();
m_output->setAutoDelete( true );
if ( !transform( xml, m_output ) )
{
//TODO: give some error to user, even better if shown only once
delete m_output;
m_output = 0L;
delete xml;
return;
}
delete xml; // might make debugging harder!
break;
default:
return;
}
// upload it to the specified URL
KURL src( m_output->name() );
KIO::FileCopyJob *job = KIO::file_move( src, dest, -1, true, false, false );
connect( job, TQT_SIGNAL( result( KIO::Job * ) ),
TQT_SLOT( slotUploadJobResult( KIO::Job * ) ) );
}
void WebPresencePlugin::slotUploadJobResult( KIO::Job *job )
{
if ( job->error() ) {
kdDebug(14309) << "Error uploading presence info." << endl;
KMessageBox::queuedDetailedError( 0, i18n("An error occurred when uploading your presence page.\nCheck the path and write permissions of the destination."), 0, displayName() );
delete m_output;
m_output = 0L;
}
}
KTempFile* WebPresencePlugin::generateFile()
{
// generate the (temporary) XML file representing the current contactlist
kdDebug( 14309 ) << k_funcinfo << endl;
TQString notKnown = i18n( "Not yet known" );
TQDomDocument doc;
doc.appendChild( doc.createProcessingInstruction( "xml",
"version=\"1.0\" encoding=\"UTF-8\"" ) );
TQDomElement root = doc.createElement( "webpresence" );
doc.appendChild( root );
// insert the current date/time
TQDomElement date = doc.createElement( "listdate" );
TQDomText t = doc.createTextNode(
KGlobal::locale()->formatDateTime( TQDateTime::currentDateTime() ) );
date.appendChild( t );
root.appendChild( date );
// insert the user's name
TQDomElement name = doc.createElement( "name" );
TQDomText nameText;
if ( !useImName && !userName.isEmpty() )
nameText = doc.createTextNode( userName );
else
nameText = doc.createTextNode( notKnown );
name.appendChild( nameText );
root.appendChild( name );
// insert the list of the user's accounts
TQDomElement accounts = doc.createElement( "accounts" );
root.appendChild( accounts );
TQPtrList<Kopete::Account> list = Kopete::AccountManager::self()->accounts();
// If no accounts, stop here
if ( !list.isEmpty() )
{
for( TQPtrListIterator<Kopete::Account> it( list );
Kopete::Account *account=it.current();
++it )
{
TQDomElement acc = doc.createElement( "account" );
//output += h.openTag( "account" );
TQDomElement protoName = doc.createElement( "protocol" );
TQDomText protoNameText = doc.createTextNode(
account->protocol()->pluginId() );
protoName.appendChild( protoNameText );
acc.appendChild( protoName );
Kopete::Contact* me = account->myself();
TQString displayName = me->property( Kopete::Global::Properties::self()->nickName() ).value().toString();
TQDomElement accName = doc.createElement( "accountname" );
TQDomText accNameText = doc.createTextNode( ( me )
? displayName
: notKnown );
accName.appendChild( accNameText );
acc.appendChild( accName );
TQDomElement accStatus = doc.createElement( "accountstatus" );
TQDomText statusText = doc.createTextNode( ( me )
? statusAsString( me->onlineStatus() )
: notKnown ) ;
accStatus.appendChild( statusText );
// Dont add these if we're shutting down, because the result
// would be quite weird.
if ( !shuttingDown ) {
// Add away message as an attribute, if one exists.
if ( me->onlineStatus().status() == Kopete::OnlineStatus::Away &&
!me->property("awayMessage").value().toString().isEmpty() ) {
accStatus.setAttribute( "awayreason",
me->property("awayMessage").value().toString() );
}
// Add the online status description as an attribute, if one exits.
if ( !me->onlineStatus().description().isEmpty() ) {
accStatus.setAttribute( "statusdescription",
me->onlineStatus().description() );
}
}
acc.appendChild( accStatus );
if ( showAddresses )
{
TQDomElement accAddress = doc.createElement( "accountaddress" );
TQDomText addressText = doc.createTextNode( ( me )
? me->contactId()
: notKnown );
accAddress.appendChild( addressText );
acc.appendChild( accAddress );
}
accounts.appendChild( acc );
}
}
// write the XML to a temporary file
KTempFile* file = new KTempFile();
TQTextStream *stream = file->textStream();
stream->setEncoding( TQTextStream::UnicodeUTF8 );
doc.save( *stream, 4 );
file->close();
return file;
}
bool WebPresencePlugin::transform( KTempFile * src, KTempFile * dest )
{
#ifdef HAVE_XSLT
bool retval = true;
xmlSubstituteEntitiesDefault( 1 );
xmlLoadExtDtdDefaultValue = 1;
TQFile sheet;
switch ( resultFormatting ) {
case WEB_XML:
// Oops! We tried to call transform() but XML was requested.
return false;
case WEB_HTML:
if ( useImagesInHTML ) {
sheet.setName( locate( "appdata", "webpresence/webpresence_html_images.xsl" ) );
} else {
sheet.setName( locate( "appdata", "webpresence/webpresence_html.xsl" ) );
}
break;
case WEB_XHTML:
if ( useImagesInHTML ) {
sheet.setName( locate( "appdata", "webpresence/webpresence_xhtml_images.xsl" ) );
} else {
sheet.setName( locate( "appdata", "webpresence/webpresence_xhtml.xsl" ) );
}
break;
case WEB_CUSTOM:
sheet.setName( userStyleSheet );
break;
default:
// Shouldn't ever reach here.
return false;
}
// TODO: auto / smart pointers would be useful here
xsltStylesheetPtr cur = 0;
xmlDocPtr doc = 0;
xmlDocPtr res = 0;
if ( !sheet.exists() ) {
kdDebug(14309) << k_funcinfo << "ERROR: Style sheet not found" << endl;
retval = false;
goto end;
}
// is the cast safe?
cur = xsltParseStylesheetFile( (const xmlChar *) sheet.name().latin1() );
if ( !cur ) {
kdDebug(14309) << k_funcinfo << "ERROR: Style sheet parsing failed" << endl;
retval = false;
goto end;
}
doc = xmlParseFile( TQFile::encodeName( src->name() ) );
if ( !doc ) {
kdDebug(14309) << k_funcinfo << "ERROR: XML parsing failed" << endl;
retval = false;
goto end;
}
res = xsltApplyStylesheet( cur, doc, 0 );
if ( !res ) {
kdDebug(14309) << k_funcinfo << "ERROR: Style sheet apply failed" << endl;
retval = false;
goto end;
}
if ( xsltSaveResultToFile(dest->fstream(), res, cur) == -1 ) {
kdDebug(14309) << k_funcinfo << "ERROR: Style sheet apply failed" << endl;
retval = false;
goto end;
}
// then it all worked!
dest->close();
end:
xsltCleanupGlobals();
xmlCleanupParser();
if (doc) xmlFreeDoc(doc);
if (res) xmlFreeDoc(res);
if (cur) xsltFreeStylesheet(cur);
return retval;
#else
Q_UNUSED( src );
Q_UNUSED( dest );
return false;
#endif
}
ProtocolList WebPresencePlugin::allProtocols()
{
kdDebug( 14309 ) << k_funcinfo << endl;
Kopete::PluginList plugins = Kopete::PluginManager::self()->loadedPlugins( "Protocols" );
Kopete::PluginList::ConstIterator it;
ProtocolList result;
for ( it = plugins.begin(); it != plugins.end(); ++it ) {
result.append( static_cast<Kopete::Protocol *>( *it ) );
}
return result;
}
TQString WebPresencePlugin::statusAsString( const Kopete::OnlineStatus &newStatus )
{
if (shuttingDown)
return "OFFLINE";
TQString status;
switch ( newStatus.status() )
{
case Kopete::OnlineStatus::Online:
status = "ONLINE";
break;
case Kopete::OnlineStatus::Away:
status = "AWAY";
break;
case Kopete::OnlineStatus::Offline:
case Kopete::OnlineStatus::Invisible:
status = "OFFLINE";
break;
default:
status = "UNKNOWN";
}
return status;
}
void WebPresencePlugin::aboutToUnload()
{
// Stop timer. Dont need it anymore.
m_writeScheduler->stop();
// Force statusAsString() report all accounts as OFFLINE.
shuttingDown = true;
// Do final update of webpresence file.
slotWriteFile();
emit readyForUnload();
}
// vim: set noet ts=4 sts=4 sw=4:
#include "webpresenceplugin.moc"
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