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tdeaddons/kicker-applets/mediacontrol/kscdInterface.cpp

333 lines
7.5 KiB

/***************************************************************************
Interface to access KsCD
-------------------
begin : Sat Dec 04 13:36:00 CET 2004
copyright : (C) 2004 by Michal Startek
adapted from JuK interface which is (C) 2001-2002 by Stefan Gehn
email : michal.startek@op.pl
***************************************************************************/
/***************************************************************************
* *
* 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 "kscdInterface.h"
#include "kscdInterface.moc"
#include <tdeapplication.h>
#include <kdebug.h>
#include <tqstringlist.h>
#include <tqstrlist.h>
#include <kurldrag.h>
#include <tdelocale.h>
#define TIMER_FAST 250
KsCDInterface::KsCDInterface() : PlayerInterface()
{
mKsCDTimer = new TQTimer(this, "mKsCDTimer");
connect(mKsCDTimer, TQ_SIGNAL(timeout()), TQ_SLOT(updateSlider()) );
kapp->dcopClient()->setNotifications ( true );
connect(kapp->dcopClient(), TQ_SIGNAL(applicationRegistered(const TQCString&)),
TQ_SLOT(appRegistered(const TQCString&)) );
connect(kapp->dcopClient(), TQ_SIGNAL(applicationRemoved(const TQCString&)),
TQ_SLOT(appRemoved(const TQCString&)));
TQTimer::singleShot(0, this, TQ_SLOT(myInit()));
}
KsCDInterface::~KsCDInterface()
{
kapp->dcopClient()->setNotifications(false);
delete mKsCDTimer;
}
void KsCDInterface::myInit()
{
// Start the timer if KsCD is already running
// Needed if user adds applet while running KsCD
if (findRunningKsCD())
{
emit playerStarted();
mKsCDTimer->start(TIMER_FAST);
}
else
{
emit playerStopped();
emit newSliderPosition(0,0);
}
}
void KsCDInterface::appRegistered(const TQCString &appId)
{
if((appId) == "kscd")
{
mAppId = appId;
emit playerStarted();
mKsCDTimer->start(TIMER_FAST);
}
}
void KsCDInterface::appRemoved(const TQCString &appId)
{
if ((appId) == "kscd")
{
// is there still another KsCD alive?
// Okay, KsCD does not allow multiple instances
// of it to run at the same time, but
// this can change.
if (findRunningKsCD())
return;
mKsCDTimer->stop();
emit playerStopped();
emit newSliderPosition(0,0);
}
}
void KsCDInterface::updateSlider()
{
// length/time in secs, -1 means "no playobject in kscd"
int len = -1;
int time = -1;
TQByteArray data, replyData;
TQCString replyType;
if (kapp->dcopClient()->call(mAppId, "CDPlayer", "currentTrackLength()", data,
replyType, replyData))
{
TQDataStream reply(replyData, IO_ReadOnly);
if (replyType == "int")
reply >> len;
}
data = 0;
replyData = 0;
replyType = 0;
if (kapp->dcopClient()->call(mAppId, "CDPlayer", "currentPosition()", data,
replyType, replyData))
{
TQDataStream reply(replyData, IO_ReadOnly);
if (replyType == "int")
reply >> time;
}
if ( (time < 0) || (len < 0)) // KsCD isn't playing and thus returns -1
{
len = 0;
time = 0;
}
emit newSliderPosition(len,time);
emit playingStatusChanged(playingStatus());
}
// Drag-n-Drop stuff =================================================================
// As far as I know there is currently no way to drag an AudioCD track to KsCD,
// or even no application to drag AudioCD track from (not the TDEIO-wrapped track
// path (audiocd:/...) like from Konqueror)
void KsCDInterface::dragEnterEvent(TQDragEnterEvent* event)
{
event->ignore();
}
void KsCDInterface::dropEvent(TQDropEvent* event)
{
event->ignore();
}
// ====================================================================================
void KsCDInterface::sliderStartDrag()
{
mKsCDTimer->stop();
}
void KsCDInterface::sliderStopDrag()
{
mKsCDTimer->start(TIMER_FAST);
}
void KsCDInterface::jumpToTime(int sec)
{
TQByteArray data;
TQDataStream arg(data, IO_WriteOnly);
arg << sec;
kapp->dcopClient()->send(mAppId, "CDPlayer", "jumpTo(int)", data);
}
void KsCDInterface::playpause()
{
if (!findRunningKsCD())
startPlayer("kscd");
TQByteArray data;
kapp->dcopClient()->send(mAppId, "CDPlayer", "play()", data);
}
void KsCDInterface::stop()
{
TQByteArray data;
kapp->dcopClient()->send(mAppId, "CDPlayer", "stop()", data);
}
void KsCDInterface::next()
{
TQByteArray data;
kapp->dcopClient()->send(mAppId, "CDPlayer", "next()", data);
}
void KsCDInterface::prev()
{
TQByteArray data;
kapp->dcopClient()->send(mAppId, "CDPlayer", "previous()", data);
}
void KsCDInterface::volumeUp()
{
TQByteArray data;
kapp->dcopClient()->send(mAppId, "CDPlayer", "volumeUp()", data);
}
void KsCDInterface::volumeDown()
{
TQByteArray data;
kapp->dcopClient()->send(mAppId, "CDPlayer", "volumeDown()", data);
}
const TQString KsCDInterface::getTrackTitle() const
{
TQString title, artist, album, result;
TQByteArray data, replyData;
TQCString replyType;
// Get track title from KsCD...
if (kapp->dcopClient()->call(mAppId, "CDPlayer", "currentTrackTitle()", data,
replyType, replyData))
{
TQDataStream reply(replyData, IO_ReadOnly);
if (replyType == "TQString")
{
reply >> title;
}
}
// Album...
if (kapp->dcopClient()->call(mAppId, "CDPlayer", "currentAlbum()", data,
replyType, replyData))
{
TQDataStream reply(replyData, IO_ReadOnly);
if (replyType == "TQString")
{
reply >> album;
}
}
// Artist...
if (kapp->dcopClient()->call(mAppId, "CDPlayer", "currentArtist()", data,
replyType, replyData))
{
TQDataStream reply(replyData, IO_ReadOnly);
if (replyType == "TQString")
{
reply >> artist;
}
}
// And compose them into one string that will be displayed...
if(album.isEmpty())
{
if(artist.isEmpty())
{
result = title;
}
else // artist is non-empty
{
if(title.isEmpty())
{
result = artist;
}
else
{
result = i18n("artist - trackname", "%1 - %2").arg(artist, title);
}
}
}
else // album is non-empty
{
if(artist.isEmpty())
{
if(title.isEmpty())
{
result = album;
}
else
{
result = i18n("(album) - trackname", "(%1) - %2").arg(artist, title);
}
}
else // artist is non-empty
{
if(title.isEmpty())
{
result = i18n("artistname (albumname)", "%1 (%2)").arg(artist, album);
}
else
{
result = i18n("artistname (albumname) - trackname", "%1 (%2) - %3").arg(artist, album, title);
}
}
}
return result;
}
bool KsCDInterface::findRunningKsCD()
{
QCStringList allApps = kapp->dcopClient()->registeredApplications();
TQValueList<TQCString>::const_iterator iterator;
for (iterator = allApps.constBegin(); iterator != allApps.constEnd(); ++iterator)
{
if ((*iterator) == "kscd")
{
mAppId = *iterator;
return true;
}
}
return false;
}
int KsCDInterface::playingStatus()
{
TQByteArray data, replyData;
TQCString replyType;
if (kapp->dcopClient()->call(mAppId, "CDPlayer", "getStatus()", data, replyType,
replyData))
{
int status = 0;
TQDataStream reply(replyData, IO_ReadOnly);
if (replyType == "int")
reply >> status;
switch (status)
{
case 2:
return Playing;
case 4:
return Paused;
default:
return Stopped;
}
}
return Stopped;
}