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tdeaddons/kicker-applets/mediacontrol/amarokInterface.cpp

311 lines
8.1 KiB

/***************************************************************************
Interface to access Amarok
-------------------
begin : Tue Dec 2 23:54:53 CET 2003
copyright : (c) 2003 by Thomas Capricelli
adapted from juk* (C) 2001-2002 by Stefan Gehn (metz {AT} gehn {DOT} net)
email : orzel@freehackers.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 "amarokInterface.h"
#include "amarokInterface.moc"
#include <kdebug.h>
#include <qstringlist.h>
#include <qstrlist.h>
#include <kurldrag.h>
#define TIMER_FAST 250
AmarokInterface::AmarokInterface() : PlayerInterface()
{
mTimerValue = TIMER_FAST;
mAmarokTimer = new QTimer ( this, "mAmaroKTimer" );
connect(mAmarokTimer, SIGNAL(timeout()), SLOT(updateSlider()) );
kapp->dcopClient()->setNotifications ( true );
connect(kapp->dcopClient(), SIGNAL(applicationRegistered(const QCString&)),
SLOT(appRegistered(const QCString&)) );
connect(kapp->dcopClient(), SIGNAL(applicationRemoved(const QCString&)),
SLOT(appRemoved(const QCString&)));
QTimer::singleShot(0, this, SLOT(myInit()));
}
AmarokInterface::~AmarokInterface()
{
kapp->dcopClient()->setNotifications(false);
delete mAmarokTimer;
}
void AmarokInterface::myInit()
{
// Start the timer if amarok is already running
// Needed if user adds applet while running amarok
if ( findRunningAmarok() )
{
emit playerStarted();
mAmarokTimer->start(mTimerValue);
}
else
{
emit playerStopped();
emit newSliderPosition(0,0);
}
}
void AmarokInterface::appRegistered ( const QCString &appId )
{
if(appId.contains("amarok",false) )
{
mAppId = appId;
emit playerStarted();
mAmarokTimer->start(mTimerValue);
}
}
void AmarokInterface::appRemoved ( const QCString &appId )
{
if ( appId.contains("amarok",false) )
{
// is there still another amarok alive?
if ( findRunningAmarok() )
return;
mAmarokTimer->stop();
emit playerStopped();
emit newSliderPosition(0,0);
}
}
void AmarokInterface::updateSlider ( )
{
// length/time in msecs, -1 means "no playobject in amarok"
int len, time;
QByteArray data, replyData;
QCString replyType;
if (!kapp->dcopClient()->call(mAppId, "player", "trackTotalTime()",data, replyType, replyData))
{
//kdDebug(90200) << "mediacontrol: DCOP communication Error" << endl;
// -2 is an internal errornumber, might be used later
len = -2;
}
else
{
QDataStream reply(replyData, IO_ReadOnly);
if (replyType == "int")
{
reply >> len;
}
else
{
//kdDebug(90200) << "mediacontrol: unexpected type of DCOP-reply" << endl;
// -3 is an internal errornumber, might be used later
len = -3;
}
}
data = 0;
replyData = 0;
replyType = 0;
if (!kapp->dcopClient()->call(mAppId, "player", "trackCurrentTime()",data, replyType, replyData))
{
//kdDebug(90200) << "mediacontrol: DCOP communication error" << endl;
time = -2;
}
else
{
QDataStream reply(replyData, IO_ReadOnly);
if (replyType == "int")
{
reply >> time;
}
else
{
//kdDebug(90200) << "mediacontrol: unexpected type of DCOP-reply" << endl;
time = -3;
}
}
if ( (time < 0) || (len < 0)) // Amarok isn't playing and thus returns -1
{
len = 0;
time = 0;
}
emit newSliderPosition(len,time);
emit playingStatusChanged(playingStatus());
}
// Drag-n-Drop stuff =================================================================
void AmarokInterface::dragEnterEvent(QDragEnterEvent* event)
{
// kdDebug(90200) << "AmarokInterface::dragEnterEvent()" << endl;
event->accept( KURLDrag::canDecode(event) );
}
void AmarokInterface::dropEvent(QDropEvent* event)
{
kdDebug(90200) << "AmarokInterface::dropEvent()" << endl;
KURL::List list;
if (KURLDrag::decode(event, list))
{
QByteArray data;
QDataStream arg(data, IO_WriteOnly);
arg << list;
if (!kapp->dcopClient()->send(mAppId, "player", "addMediaList(KURL::List)",data))
kdDebug(90200) << "Couldn't send drop to amarok" << endl;
}
}
// ====================================================================================
void AmarokInterface::sliderStartDrag()
{
mAmarokTimer->stop();
}
void AmarokInterface::sliderStopDrag()
{
mAmarokTimer->start(mTimerValue);
}
void AmarokInterface::jumpToTime( int sec )
{
QByteArray data;
QDataStream arg(data, IO_WriteOnly);
arg << sec;
kapp->dcopClient()->send(mAppId, "player", "seek(int)", data);
}
void AmarokInterface::playpause()
{
if (!findRunningAmarok())
startPlayer("amarok");
QByteArray data;
kapp->dcopClient()->send(mAppId, "player", "playPause()", data);
}
void AmarokInterface::stop()
{
QByteArray data;
kapp->dcopClient()->send(mAppId, "player", "stop()", data);
}
void AmarokInterface::next()
{
QByteArray data;
kapp->dcopClient()->send(mAppId, "player", "next()", data);
}
void AmarokInterface::prev()
{
QByteArray data;
kapp->dcopClient()->send(mAppId, "player", "prev()", data);
}
void AmarokInterface::volumeUp()
{
QByteArray data;
kapp->dcopClient()->send(mAppId, "player", "volumeUp()", data);
}
void AmarokInterface::volumeDown()
{
QByteArray data;
kapp->dcopClient()->send(mAppId, "player", "volumeDown()", data);
}
const QString AmarokInterface::getTrackTitle() const
{
QString title;
QByteArray data, replyData;
QCString replyType;
if (!kapp->dcopClient()->call(mAppId, "player", "nowPlaying()",data, replyType, replyData))
{
//kdDebug(90200) << "mediacontrol: DCOP communication Error" << endl;
return QString("");
}
else
{
QDataStream reply(replyData, IO_ReadOnly);
if (replyType == "QString")
{
reply >> title;
return title;
}
else
{
//kdDebug(90200) << "mediacontrol: unexpected type of DCOP-reply" << endl;
return QString("");
}
}
}
bool AmarokInterface::findRunningAmarok()
{
QCStringList allApps = kapp->dcopClient()->registeredApplications();
QValueList<QCString>::const_iterator iterator;
QByteArray data, replyData;
QCString replyType;
for (iterator = allApps.constBegin(); iterator != allApps.constEnd(); ++iterator)
{
if ((*iterator).contains("amarok",false))
{
if (kapp->dcopClient()->call((*iterator), "player", "interfaces()", data, replyType, replyData) )
{
if ( replyType == "QCStringList" )
{
QDataStream reply(replyData, IO_ReadOnly);
QCStringList list;
reply >> list;
if ( list.contains("AmarokPlayerInterface") )
{
kdDebug(90200) << "mediacontrol: amarok found" << endl;
mAppId = *iterator;
return true;
}
}
}
}
}
kdDebug(90200) << "mediacontrol: amarok not found" << endl;
return false;
}
int AmarokInterface::playingStatus()
{
QByteArray data, replyData;
QCString replyType;
if (kapp->dcopClient()->call(mAppId, "player", "status()", data, replyType,
replyData))
{
int status = 0;
QDataStream reply(replyData, IO_ReadOnly);
if (replyType == "int")
reply >> status;
if (status == 2)
return Playing;
else if (status == 1)
return Paused;
}
return Stopped;
}