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/***************************************************************************
* Copyright (C) 2008 by Pino Toscano <pino@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 "tts.h"
#include <qdbusservicewatcher.h>
#include <qset.h>
#include <klocale.h>
#include <kspeech.h>
#include <ktoolinvocation.h>
#include "kspeechinterface.h"
/* Private storage. */
class OkularTTS::Private
{
public:
Private( OkularTTS *qq )
: q( qq ), kspeech( 0 )
, watcher( "org.kde.kttsd", QDBusConnection::sessionBus(), QDBusServiceWatcher::WatchForUnregistration )
{
}
void setupIface();
void teardownIface();
OkularTTS *q;
org::kde::KSpeech* kspeech;
QSet< int > jobs;
QDBusServiceWatcher watcher;
};
void OkularTTS::Private::setupIface()
{
if ( kspeech )
return;
// If KTTSD not running, start it.
QDBusReply<bool> reply = QDBusConnection::sessionBus().interface()->isServiceRegistered( "org.kde.kttsd" );
bool kttsdactive = false;
if ( reply.isValid() )
kttsdactive = reply.value();
if ( !kttsdactive )
{
QString error;
if ( KToolInvocation::startServiceByDesktopName( "kttsd", QStringList(), &error ) )
{
emit q->errorMessage( i18n( "Starting Jovie Text-to-Speech service Failed: %1", error ) );
}
else
{
kttsdactive = true;
}
}
if ( kttsdactive )
{
// creating the connection to the kspeech interface
kspeech = new org::kde::KSpeech( "org.kde.kttsd", "/KSpeech", QDBusConnection::sessionBus() );
kspeech->setParent( q );
kspeech->setApplicationName( "Okular" );
connect( kspeech, SIGNAL(jobStateChanged(QString,int,int)),
q, SLOT(slotJobStateChanged(QString,int,int)) );
}
}
void OkularTTS::Private::teardownIface()
{
delete kspeech;
kspeech = 0;
}
OkularTTS::OkularTTS( QObject *parent )
: QObject( parent ), d( new Private( this ) )
{
connect( &d->watcher, SIGNAL(serviceUnregistered(QString)),
this, SLOT(slotServiceUnregistered(QString)) );
}
OkularTTS::~OkularTTS()
{
disconnect( &d->watcher, 0, this, 0 );
delete d;
}
void OkularTTS::say( const QString &text )
{
if ( text.isEmpty() )
return;
d->setupIface();
if ( d->kspeech )
{
QDBusReply< int > reply = d->kspeech->say( text, KSpeech::soPlainText );
if ( reply.isValid() )
{
d->jobs.insert( reply.value() );
emit hasSpeechs( true );
}
}
}
void OkularTTS::stopAllSpeechs()
{
if ( !d->kspeech )
return;
d->kspeech->removeAllJobs();
}
void OkularTTS::slotServiceUnregistered( const QString &service )
{
if ( service == QLatin1String( "org.kde.kttsd" ) )
{
d->teardownIface();
}
}
void OkularTTS::slotJobStateChanged( const QString &appId, int jobNum, int state )
{
// discard non ours job
if ( appId != QDBusConnection::sessionBus().baseService() || !d->kspeech )
return;
switch ( state )
{
case KSpeech::jsDeleted:
d->jobs.remove( jobNum );
emit hasSpeechs( !d->jobs.isEmpty() );
break;
case KSpeech::jsFinished:
d->kspeech->removeJob( jobNum );
break;
}
}
#include "tts.moc"
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