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487 lines
13 KiB
487 lines
13 KiB
/*
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* KCompactDisc - A CD drive interface for the KDE Project.
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*
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* Copyright (c) 2005 Shaheedur R. Haque <srhaque@iee.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, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include <dcopclient.h>
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#include <dcopref.h>
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#include <tqfile.h>
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#include <kdebug.h>
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#include <klocale.h>
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#include <kprotocolmanager.h>
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#include <krun.h>
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#include "kcompactdisc.h"
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#include <netwm.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/time.h>
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#include <signal.h>
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#include <sys/utsname.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <sys/ioctl.h>
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/* this is for glibc 2.x which the ust structure in ustat.h not stat.h */
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#ifdef __GLIBC__
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#include <sys/ustat.h>
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#endif
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#ifdef __FreeBSD__
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#include <sys/param.h>
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#include <sys/ucred.h>
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#include <sys/mount.h>
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#endif
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#ifdef __linux__
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#include <mntent.h>
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#define KSCDMAGIC 0
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#endif
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#include <kprocess.h>
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#include <config.h>
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extern "C"
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{
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// We don't have libWorkMan installed already, so get everything
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// from within our own directory
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#include "libwm/include/wm_cddb.h"
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#include "libwm/include/wm_cdrom.h"
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#include "libwm/include/wm_cdtext.h"
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#include "libwm/include/wm_config.h"
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#include "libwm/include/wm_cdinfo.h"
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#include "libwm/include/wm_helpers.h"
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// Sun, Ultrix etc. have a canonical CD device specified in the
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// respective plat_xxx.c file. On those platforms you need not
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// specify the CD device and DEFAULT_CD_DEVICE is not defined
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// in config.h.
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#ifndef DEFAULT_CD_DEVICE
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#define DEFAULT_CD_DEVICE "/dev/cdrom"
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#endif
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}
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#include <tqtextcodec.h>
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#include <fixx11h.h>
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// Our internal definition of when we have no disc. Used to guard some
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// internal arrays.
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#define NO_DISC ((m_discId == missingDisc) && (m_previousDiscId == 0))
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#define FRAMES_TO_MS(frames) \
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((frames) * 1000 / 75)
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#define TRACK_VALID(track) \
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((track) && (track <= m_tracks))
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const TQString KCompactDisc::defaultDevice = DEFAULT_CD_DEVICE;
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const unsigned KCompactDisc::missingDisc = (unsigned)-1;
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KCompactDisc::KCompactDisc(InformationMode infoMode) :
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m_device(TQString::null),
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m_status(0),
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m_previousStatus(123456),
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m_discId(missingDisc),
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m_previousDiscId(0),
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m_artist(TQString::null),
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m_title(TQString::null),
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m_track(0),
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m_previousTrack(99999999),
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m_infoMode(infoMode)
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{
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// Debug.
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// wm_cd_set_verbosity(WM_MSG_LEVEL_DEBUG | WM_MSG_CLASS_ALL );
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m_trackArtists.clear();
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m_trackTitles.clear();
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m_trackStartFrames.clear();
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connect(&timer, TQT_SIGNAL(timeout()), TQT_SLOT(timerExpired()));
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}
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KCompactDisc::~KCompactDisc()
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{
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// Ensure nothing else starts happening.
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timer.stop();
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wm_cd_stop();
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wm_cd_set_verbosity(0x0);
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wm_cd_destroy();
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}
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const TQString &KCompactDisc::device() const
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{
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return m_device;
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}
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unsigned KCompactDisc::discLength() const
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{
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if (NO_DISC || !m_tracks)
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return 0;
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return FRAMES_TO_MS(m_trackStartFrames[m_tracks+1] - m_trackStartFrames[0]);
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}
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unsigned KCompactDisc::discPosition() const
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{
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return cur_pos_abs * 1000 - FRAMES_TO_MS(m_trackStartFrames[0]);
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}
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TQString KCompactDisc::discStatus(int status)
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{
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TQString message;
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switch (status)
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{
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case WM_CDM_TRACK_DONE: // == WM_CDM_BACK
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message = i18n("Back/Track Done");
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break;
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case WM_CDM_PLAYING:
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message = i18n("Playing");
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break;
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case WM_CDM_FORWARD:
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message = i18n("Forward");
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break;
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case WM_CDM_PAUSED:
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message = i18n("Paused");
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break;
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case WM_CDM_STOPPED:
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message = i18n("Stopped");
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break;
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case WM_CDM_EJECTED:
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message = i18n("Ejected");
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break;
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case WM_CDM_NO_DISC:
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message = i18n("No Disc");
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break;
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case WM_CDM_UNKNOWN:
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message = i18n("Unknown");
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break;
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case WM_CDM_CDDAERROR:
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message = i18n("CDDA Error");
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break;
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case WM_CDM_CDDAACK:
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message = i18n("CDDA Ack");
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break;
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default:
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if (status <= 0)
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message = strerror(-status);
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else
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message = TQString::number(status);
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break;
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}
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return message;
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}
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/**
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* Do everything needed if the user requested to eject the disc.
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*/
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void KCompactDisc::eject()
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{
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if (m_status == WM_CDM_EJECTED)
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{
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emit trayClosing();
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wm_cd_closetray();
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}
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else
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{
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wm_cd_stop();
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wm_cd_eject();
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}
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}
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unsigned KCompactDisc::track() const
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{
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return m_track;
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}
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bool KCompactDisc::isPaused() const
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{
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return (m_status == WM_CDM_PAUSED);
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}
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bool KCompactDisc::isPlaying() const
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{
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return WM_CDS_DISC_PLAYING(m_status) && (m_status != WM_CDM_PAUSED) && (m_status != WM_CDM_TRACK_DONE);
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}
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void KCompactDisc::pause()
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{
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// wm_cd_pause "does the right thing" by flipping between pause and resume.
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wm_cd_pause();
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}
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void KCompactDisc::play(unsigned startTrack, unsigned startTrackPosition, unsigned endTrack)
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{
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wm_cd_play(TRACK_VALID(startTrack) ? startTrack : 1, startTrackPosition / 1000, TRACK_VALID(endTrack) ? endTrack : WM_ENDTRACK );
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}
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TQString KCompactDisc::urlToDevice(const TQString& device)
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{
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KURL deviceUrl(device);
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if (deviceUrl.protocol() == "media" || deviceUrl.protocol() == "system")
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{
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kdDebug() << "Asking mediamanager for " << deviceUrl.fileName() << endl;
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DCOPRef mediamanager("kded", "mediamanager");
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DCOPReply reply = mediamanager.call("properties(TQString)", deviceUrl.fileName());
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TQStringList properties = reply;
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if (!reply.isValid() || properties.count() < 6)
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{
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kdError() << "Invalid reply from mediamanager" << endl;
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return defaultDevice;
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}
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else
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{
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kdDebug() << "Reply from mediamanager " << properties[5] << endl;
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return properties[5];
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}
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}
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return device;
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}
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bool KCompactDisc::setDevice(
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const TQString &device_,
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unsigned volume,
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bool digitalPlayback,
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const TQString &audioSystem,
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const TQString &audioDevice)
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{
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timer.stop();
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TQString device = urlToDevice(device_);
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#if !defined(BUILD_CDDA)
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digitalPlayback = false;
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#endif
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int status = wm_cd_init(
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digitalPlayback ? WM_CDDA : WM_CDIN,
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TQFile::encodeName(device),
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digitalPlayback ? audioSystem.ascii() : 0,
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digitalPlayback ? audioDevice.ascii() : 0,
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0);
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m_device = wm_drive_device();
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kdDebug() << "Device change: "
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<< (digitalPlayback ? "WM_CDDA, " : "WM_CDIN, ")
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<< m_device << ", "
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<< (digitalPlayback ? audioSystem : TQString::null) << ", "
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<< (digitalPlayback ? audioDevice : TQString::null) << ", status: "
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<< discStatus(status) << endl;
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if (status < 0)
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{
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// Severe (OS-level) error.
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m_device = TQString::null;
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}
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else
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{
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// Init CD-ROM and display.
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setVolume(volume);
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}
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m_previousStatus = m_status = wm_cd_status();
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if (m_infoMode == Asynchronous)
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timerExpired();
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else
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timer.start(1000, true);
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return m_device != TQString::null;
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}
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void KCompactDisc::setVolume(unsigned volume)
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{
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int status = wm_cd_volume(volume, WM_BALANCE_SYMMETRED);
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kdDebug() << "Volume change: " << volume << ", status: " << discStatus(status) << endl;
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}
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void KCompactDisc::stop()
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{
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wm_cd_stop();
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}
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const TQString &KCompactDisc::trackArtist() const
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{
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return trackArtist(m_track);
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}
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const TQString &KCompactDisc::trackArtist(unsigned track) const
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{
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if (NO_DISC || !TRACK_VALID(track))
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return TQString::null;
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return m_trackArtists[track - 1];
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}
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unsigned KCompactDisc::trackLength() const
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{
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return trackLength(m_track);
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}
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unsigned KCompactDisc::trackLength(unsigned track) const
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{
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if (NO_DISC || !TRACK_VALID(track))
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return 0;
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return cd->trk[track - 1].length * 1000;
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}
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unsigned KCompactDisc::trackPosition() const
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{
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return cur_pos_rel * 1000;
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}
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unsigned KCompactDisc::tracks() const
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{
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return m_tracks;
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}
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const TQString &KCompactDisc::trackTitle() const
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{
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return trackTitle(m_track);
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}
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const TQString &KCompactDisc::trackTitle(unsigned track) const
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{
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if (NO_DISC || !TRACK_VALID(track))
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return TQString::null;
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return m_trackTitles[track - 1];
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}
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bool KCompactDisc::isAudio(unsigned track) const
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{
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if (NO_DISC || !TRACK_VALID(track))
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return 0;
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return !(cd->trk[track - 1].data);
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}
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/*
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* timerExpired
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*
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* - Data discs not recognized as data discs.
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*
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*/
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void KCompactDisc::timerExpired()
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{
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m_status = wm_cd_status();
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if (WM_CDS_NO_DISC(m_status) || (m_device == TQString::null))
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{
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if (m_previousStatus != m_status)
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{
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m_previousStatus = m_status;
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m_discId = missingDisc;
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m_previousDiscId = 0;
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m_trackArtists.clear();
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m_trackTitles.clear();
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m_trackStartFrames.clear();
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m_tracks = 0;
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m_track = 0;
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emit discChanged(m_discId);
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}
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}
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else
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{
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m_discId = cddb_discid();
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if (m_previousDiscId != m_discId)
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{
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m_previousDiscId = m_discId;
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kdDebug() << "New discId=" << m_discId << endl;
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// Initialise the album and its signature from the CD.
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struct cdtext_info *info = wm_cd_get_cdtext();
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if (info && info->valid)
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{
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m_artist = reinterpret_cast<char*>(info->blocks[0]->performer[0]);
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m_title = reinterpret_cast<char*>(info->blocks[0]->name[0]);
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}
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else
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{
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m_artist = i18n("Unknown Artist");
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m_title = i18n("Unknown Title");
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}
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// Read or default CD data.
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m_trackArtists.clear();
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m_trackTitles.clear();
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m_trackStartFrames.clear();
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m_tracks = wm_cd_getcountoftracks();
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for (unsigned i = 1; i <= m_tracks; i++)
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{
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if (info && info->valid)
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{
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m_trackArtists.append(reinterpret_cast<char*>(info->blocks[0]->performer[i]));
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m_trackTitles.append(reinterpret_cast<char*>(info->blocks[0]->name[i]));
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}
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else
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{
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m_trackArtists.append(i18n("Unknown Artist"));
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m_trackTitles.append(i18n("Track %1").arg(TQString::number(i).rightJustify(2, '0')));
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}
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// FIXME: KDE4
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// track.length = cd->trk[i - 1].length;
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m_trackStartFrames.append(cd->trk[i - 1].start);
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}
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m_trackStartFrames.append(cd->trk[0].start);
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m_trackStartFrames.append(cd->trk[m_tracks].start);
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emit discChanged(m_discId);
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}
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// Per-event processing.
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m_track = wm_cd_getcurtrack();
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if (m_previousTrack != m_track)
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{
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m_previousTrack = m_track;
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// Update the current track and its length.
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emit trackChanged(m_track, trackLength());
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}
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if (isPlaying())
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{
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m_previousStatus = m_status;
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// Update the current playing position.
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emit trackPlaying(m_track, trackPosition());
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}
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else
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if (m_previousStatus != m_status)
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{
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// If we are not playing, then we are either paused, or stopped.
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switch (m_status)
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{
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case WM_CDM_PAUSED:
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emit trackPaused(m_track, trackPosition());
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break;
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case WM_CDM_EJECTED:
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emit trayOpening();
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break;
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default:
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if (m_previousStatus == WM_CDM_PLAYING || m_previousStatus == WM_CDM_PAUSED
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&& m_status == WM_CDM_STOPPED)
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{
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emit discStopped();
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}
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break;
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}
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m_previousStatus = m_status;
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}
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}
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// Now that we have incurred any delays caused by the signals, we'll start the timer.
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timer.start(1000, true);
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}
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#include "kcompactdisc.moc"
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