mirror of
https://invent.kde.org/graphics/okular
synced 2024-08-24 18:35:37 +00:00
146 lines
3.7 KiB
C++
146 lines
3.7 KiB
C++
/***************************************************************************
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* Copyright (C) 2008 by Pino Toscano <pino@kde.org> *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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***************************************************************************/
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#include "tts.h"
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#include <qdbusservicewatcher.h>
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#include <qset.h>
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#include <klocale.h>
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#include <kspeech.h>
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#include <ktoolinvocation.h>
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#include "kspeechinterface.h"
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/* Private storage. */
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class OkularTTS::Private
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{
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public:
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Private( OkularTTS *qq )
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: q( qq ), kspeech( 0 )
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, watcher( "org.kde.kttsd", QDBusConnection::sessionBus(), QDBusServiceWatcher::WatchForUnregistration )
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{
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}
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void setupIface();
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void teardownIface();
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OkularTTS *q;
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org::kde::KSpeech* kspeech;
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QSet< int > jobs;
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QDBusServiceWatcher watcher;
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};
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void OkularTTS::Private::setupIface()
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{
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if ( kspeech )
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return;
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// If KTTSD not running, start it.
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QDBusReply<bool> reply = QDBusConnection::sessionBus().interface()->isServiceRegistered( "org.kde.kttsd" );
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bool kttsdactive = false;
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if ( reply.isValid() )
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kttsdactive = reply.value();
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if ( !kttsdactive )
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{
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QString error;
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if ( KToolInvocation::startServiceByDesktopName( "kttsd", QStringList(), &error ) )
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{
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emit q->errorMessage( i18n( "Starting Jovie Text-to-Speech service Failed: %1", error ) );
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}
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else
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{
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kttsdactive = true;
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}
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}
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if ( kttsdactive )
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{
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// creating the connection to the kspeech interface
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kspeech = new org::kde::KSpeech( "org.kde.kttsd", "/KSpeech", QDBusConnection::sessionBus() );
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kspeech->setParent( q );
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kspeech->setApplicationName( "Okular" );
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connect( kspeech, SIGNAL(jobStateChanged(QString,int,int)),
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q, SLOT(slotJobStateChanged(QString,int,int)) );
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}
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}
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void OkularTTS::Private::teardownIface()
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{
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delete kspeech;
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kspeech = 0;
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}
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OkularTTS::OkularTTS( QObject *parent )
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: QObject( parent ), d( new Private( this ) )
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{
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connect( &d->watcher, SIGNAL(serviceUnregistered(QString)),
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this, SLOT(slotServiceUnregistered(QString)) );
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}
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OkularTTS::~OkularTTS()
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{
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disconnect( &d->watcher, 0, this, 0 );
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delete d;
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}
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void OkularTTS::say( const QString &text )
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{
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if ( text.isEmpty() )
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return;
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d->setupIface();
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if ( d->kspeech )
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{
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QDBusReply< int > reply = d->kspeech->say( text, KSpeech::soPlainText );
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if ( reply.isValid() )
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{
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d->jobs.insert( reply.value() );
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emit hasSpeechs( true );
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}
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}
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}
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void OkularTTS::stopAllSpeechs()
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{
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if ( !d->kspeech )
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return;
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d->kspeech->removeAllJobs();
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}
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void OkularTTS::slotServiceUnregistered( const QString &service )
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{
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if ( service == QLatin1String( "org.kde.kttsd" ) )
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{
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d->teardownIface();
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}
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}
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void OkularTTS::slotJobStateChanged( const QString &appId, int jobNum, int state )
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{
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// discard non ours job
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if ( appId != QDBusConnection::sessionBus().baseService() || !d->kspeech )
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return;
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switch ( state )
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{
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case KSpeech::jsDeleted:
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d->jobs.remove( jobNum );
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emit hasSpeechs( !d->jobs.isEmpty() );
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break;
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case KSpeech::jsFinished:
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d->kspeech->removeJob( jobNum );
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break;
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}
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}
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#include "tts.moc"
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