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498 lines
13 KiB
498 lines
13 KiB
/***************************************************************************
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radio.cpp - description
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-------------------
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begin : Sat March 29 2003
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copyright : (C) 2003 by Klas Kalass, Ernst Martin Witte
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email : klas@kde.org, witte@kawo1.rwth-aachen.de
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***************************************************************************/
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/***************************************************************************
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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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***************************************************************************/
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#include "../../src/include/radiostation.h"
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#include "../../src/include/aboutwidget.h"
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#include "../../src/include/radiodevice_interfaces.h"
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#include "radio.h"
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#include "radio-configuration.h"
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#include <kstandarddirs.h>
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#include <kurl.h>
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#include <kaboutdata.h>
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#include <kconfig.h>
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#include "../../src/include/debug-profiler.h"
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///////////////////////////////////////////////////////////////////////
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//// plugin library functions
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PLUGIN_LIBRARY_FUNCTIONS(Radio, "kradio-radio", i18n("Central Radio Device Multiplexer"));
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/////////////////////////////////////////////////////////////////////////////
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Radio::Radio(const TQString &name)
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: PluginBase(name, i18n("Radio Multiplexer Plugin")),
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IRadioDeviceClient(-1),
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m_presetFile(locateLocal("data", "kradio/stations.krp")),
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m_activeDevice (NULL)
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{
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}
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Radio::~Radio()
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{
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}
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bool Radio::connectI (Interface *i)
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{
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bool a = IRadio::connectI(i);
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bool b = IRadioDeviceClient::connectI(i);
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bool c = IRadioDevicePool::connectI(i);
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bool d = PluginBase::connectI(i);
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bool e = ISoundStreamClient::connectI(i);
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// no "return IA::connectI() | return IB::connnectI to
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// prevent "early termination" optimization in boolean expressions
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return a || b || c || d || e;
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}
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bool Radio::disconnectI (Interface *i)
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{
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bool a = IRadio::disconnectI(i);
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bool b = IRadioDeviceClient::disconnectI(i);
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bool c = IRadioDevicePool::disconnectI(i);
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bool d = PluginBase::disconnectI(i);
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bool e = ISoundStreamClient::disconnectI(i);
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// no "return IA::disconnectI() | return IB::disconnnectI to
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// prevent "early termination" optimization in boolean expressions
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return a || b || c || d || e;
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}
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void Radio::saveState (TDEConfig *config) const
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{
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config->setGroup(TQString("radio-") + name());
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config->writeEntry("presetfile", m_presetFile);
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m_stationList.writeXML(m_presetFile, *this);
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}
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void Radio::restoreState (TDEConfig *config)
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{
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config->setGroup(TQString("radio-") + name());
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m_presetFile = config->readEntry("presetfile",
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TQString());
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bool first_restore = false;
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if (m_presetFile.isNull() || m_presetFile.length() == 0) {
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m_presetFile = locateLocal("data", "kradio/stations.krp");
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first_restore = true;
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}
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m_stationList.readXML(KURL(m_presetFile), *this, /*enable-messagebox*/ !first_restore);
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notifyStationsChanged(m_stationList);
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notifyPresetFileChanged(m_presetFile);
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}
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ConfigPageInfo Radio::createConfigurationPage()
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{
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RadioConfiguration *conf = new RadioConfiguration (NULL, *this);
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connectI (conf);
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return ConfigPageInfo(
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conf,
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i18n("Radio Stations"),
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i18n("Setup Radio Stations"),
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"kradio"
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);
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}
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AboutPageInfo Radio::createAboutPage()
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{
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/* TDEAboutData aboutData("kradio",
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NULL,
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NULL,
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I18N_NOOP("Radio Device Multiplexer and Station Management for KRadio"),
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TDEAboutData::License_GPL,
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"(c) 2002-2005 Martin Witte, Klas Kalass",
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0,
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"http://sourceforge.net/projects/kradio",
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0);
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aboutData.addAuthor("Martin Witte", "", "witte@kawo1.rwth-aachen.de");
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aboutData.addAuthor("Klas Kalass", "", "klas.kalass@gmx.de");
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return AboutPageInfo(
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new KRadioAboutWidget(aboutData, KRadioAboutWidget::AbtTabbed),
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i18n("Device and Station Management"),
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i18n("Radio Device Multiplexer and Station Management"),
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"kradio"
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);
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*/
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return AboutPageInfo();
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}
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/* IRadio Interface Methods
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*/
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/* offer new station to current device.
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if that does not accept, try all other devices.
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Any device will be powered off if it does not accept the station
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*/
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bool Radio::activateStation (const RadioStation &rs) {
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if (sendActivateStation(rs)) { // first try activeDevice
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return true;
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} else { // hmm... active device did not want it. Try others...
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int n = 0;
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for (IRadioDeviceClient::IFIterator it(IRadioDeviceClient::iConnections); it.current(); ++it) {
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if (it.current()->activateStation(rs)) {
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setActiveDevice(it.current()); // select new device
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++n;
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} else {
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it.current()->powerOff();
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}
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}
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return n > 0;
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}
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}
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bool Radio::activateStation(int index)
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{
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if (index < 0 || index >= m_stationList.count())
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return false;
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return activateStation(m_stationList.at(index));
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}
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bool Radio::setStations(const StationList &sl)
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{
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if (true/*m_stationList != sl*/) {
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BlockProfiler("Radio::setStations");
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m_stationList = sl;
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notifyStationsChanged(m_stationList);
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}
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return true;
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}
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bool Radio::setPresetFile(const TQString &presetFile)
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{
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if (m_presetFile != presetFile) {
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m_presetFile = presetFile;
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notifyPresetFileChanged(m_presetFile);
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}
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return true;
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}
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int Radio::getStationIdx(const RadioStation &rs) const
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{
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RawStationList &sl = const_cast<RawStationList&>(m_stationList.all());
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return sl.find(&rs);
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}
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int Radio::getCurrentStationIdx() const
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{
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return getStationIdx(getCurrentStation());
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}
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SoundStreamID Radio::getCurrentSoundStreamID() const
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{
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return queryCurrentSoundStreamID();
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}
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/* IRadioDevicePool Interface Methods
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*/
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bool Radio::setActiveDevice(IRadioDevice *rd, bool keepPower)
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{
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// do nothing if old == new
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if (m_activeDevice == rd)
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return true;
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// check if new station is in "connections"
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// special case: rd == NULL: power off active device, new active device = NULL
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if (!rd || IRadioDeviceClient::iConnections.containsRef(rd)) { // new device is ok
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// save old power state and power off old device
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bool oldPowerOn = false;
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if (m_activeDevice) {
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oldPowerOn = m_activeDevice->isPowerOn();
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m_activeDevice->powerOff();
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}
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// setup new active device && send notifications
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m_activeDevice = rd;
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// send notifications
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notifyActiveDeviceChanged(m_activeDevice);
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notifyCurrentSoundStreamIDChanged(queryCurrentSoundStreamID());
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const RadioStation &rs = queryCurrentStation();
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notifyStationChanged(rs, getStationIdx(rs));
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if (keepPower)
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oldPowerOn ? sendPowerOn() : sendPowerOff();
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return true;
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} else {
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return false;
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}
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}
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IRadioDevice *Radio::getActiveDevice() const
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{
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return m_activeDevice;
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}
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const TQPtrList<IRadioDevice> &Radio::getDevices() const
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{
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return IRadioDeviceClient::iConnections;
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}
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const TQString &Radio::getDeviceDescription() const
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{
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return queryDescription();
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}
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/* IRadioDeviceClient Interface Methods
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Many things are overwritten, particularly all sending methods
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*/
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int Radio::sendPowerOn() const
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{
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return m_activeDevice ? m_activeDevice->powerOn() : 0;
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}
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int Radio::sendPowerOff() const
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{
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return m_activeDevice ? m_activeDevice->powerOff() : 0;
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}
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int Radio::sendActivateStation (const RadioStation &rs) const
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{
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return m_activeDevice ? m_activeDevice->activateStation(rs) : 0;
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}
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bool Radio::queryIsPowerOn() const
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{
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return m_activeDevice ? m_activeDevice->isPowerOn() : false;
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}
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bool Radio::queryIsPowerOff() const
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{
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return m_activeDevice ? m_activeDevice->isPowerOff() : true;
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}
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const RadioStation & Radio::queryCurrentStation() const
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{
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if (m_activeDevice) {
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RadioStation &rs = const_cast<RadioStation&>(m_activeDevice->getCurrentStation());
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int idx = getStationIdx(rs);
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if (idx >= 0) {
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rs.copyDescriptionFrom(m_stationList.at(idx));
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} else {
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rs.copyDescriptionFrom(undefinedRadioStation);
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}
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return rs;
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} else {
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return undefinedRadioStation;
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}
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}
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static TQString qstrUnknown(I18N_NOOP("unknown"));
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static TQString i18nqstrUnknown;
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const TQString &Radio::queryDescription() const
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{
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return m_activeDevice ? m_activeDevice->getDescription() : (i18nqstrUnknown = i18n(qstrUnknown.ascii()));
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}
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bool Radio::noticePowerChanged (bool on, const IRadioDevice *sender)
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{
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if (on) {
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setActiveDevice(const_cast<IRadioDevice*>(sender), false);
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// false: do not set power state on new device
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// constcast valid because power-state of sender is not changed
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notifyPowerChanged(true);
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return true;
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} else {
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if (sender == m_activeDevice) {
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sendStopCountdown();
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notifyPowerChanged(false);
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return true;
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}
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return false;
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}
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}
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bool Radio::noticeStationChanged (const RadioStation &_rs, const IRadioDevice *sender)
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{
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RadioStation &rs = const_cast<RadioStation&>(_rs);
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int idx = getStationIdx(rs);
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RadioStation &known = (idx >= 0) ? (RadioStation&)m_stationList.at(idx) :
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(RadioStation&)undefinedRadioStation;
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rs.copyDescriptionFrom(known);
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if (sender == m_activeDevice)
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notifyStationChanged(rs, idx);
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return true;
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}
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bool Radio::noticeDescriptionChanged (const TQString &s, const IRadioDevice *sender)
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{
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if (sender == m_activeDevice)
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notifyDeviceDescriptionChanged(s);
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return true;
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}
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bool Radio::noticeCurrentSoundStreamIDChanged(SoundStreamID id, const IRadioDevice *sender)
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{
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if (sender == m_activeDevice)
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notifyCurrentSoundStreamIDChanged(id);
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return true;
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}
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SoundStreamID Radio::queryCurrentSoundStreamID() const
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{
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return m_activeDevice ? m_activeDevice->getCurrentSoundStreamID() : SoundStreamID::InvalidID;
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}
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void Radio::noticeConnectedI(IRadioDeviceClient::cmplInterface *dev, bool pointer_valid)
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{
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IRadioDeviceClient::noticeConnectedI(dev, pointer_valid);
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if (! m_activeDevice && pointer_valid)
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setActiveDevice (dev, false);
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notifyDevicesChanged(IRadioDeviceClient::iConnections);
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}
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void Radio::noticeDisconnectI(IRadioDeviceClient::cmplInterface *rd, bool pointer_valid)
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{
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IRadioDeviceClient::noticeDisconnectI(rd, pointer_valid);
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if (rd == m_activeDevice) {
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// search a new active device
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if (IRadioDeviceClient::iConnections.findRef(rd) >= 0) {
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IRadioDevice *new_rd = NULL;
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new_rd = IRadioDeviceClient::iConnections.next(); // choose next device as active device if next exists
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if (!new_rd) {
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IRadioDeviceClient::iConnections.findRef(rd);
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new_rd = IRadioDeviceClient::iConnections.prev(); // otherwise try prev then, may be NULL (no connections)
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}
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setActiveDevice(new_rd);
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} else {
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// strange error occurred, m_activeDevice not in connections... set to first.
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setActiveDevice(IRadioDeviceClient::iConnections.first());
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}
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}
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notifyDevicesChanged(IRadioDeviceClient::iConnections);
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}
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// ITimeControlClient
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bool Radio::noticeAlarm(const Alarm &a)
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{
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if (a.alarmType() == Alarm::StartPlaying ||
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a.alarmType() == Alarm::StartRecording)
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{
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const RawStationList &sl = getStations().all();
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const RadioStation &rs = sl.stationWithID(a.stationID());
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activateStation(rs);
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powerOn();
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if (a.volumePreset() >= 0)
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sendPlaybackVolume(getCurrentSoundStreamID(), a.volumePreset());
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SoundStreamID id = getCurrentSoundStreamID();
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bool r = false;
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SoundFormat sf;
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queryIsRecordingRunning(id, r, sf);
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if (a.alarmType() == Alarm::StartRecording && !r)
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sendStartRecording(id);
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} else {
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powerOff();
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}
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return true;
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}
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bool Radio::noticeCountdownZero()
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{
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powerOff();
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return true;
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}
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void Radio::aboutToQuit()
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{
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sendPowerOff();
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}
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