1 files changed, 497 insertions, 0 deletions
diff --git a/tderadio3/plugins/radio/radio.cpp b/tderadio3/plugins/radio/radio.cpp
new file mode 100644
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+++ b/tderadio3/plugins/radio/radio.cpp
@@ -0,0 +1,497 @@
+/***************************************************************************
+                          radio.cpp  -  description
+                             -------------------
+    begin                : Sat March 29 2003
+    copyright            : (C) 2003 by Klas Kalass, Ernst Martin Witte
+    email                : [email protected], [email protected]
+ ***************************************************************************/
+
+/***************************************************************************
+ *                                                                         *
+ *   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 "../../src/include/radiostation.h"
+#include "../../src/include/aboutwidget.h"
+#include "../../src/include/radiodevice_interfaces.h"
+#include "radio.h"
+#include "radio-configuration.h"
+
+#include <kstandarddirs.h>
+#include <kurl.h>
+#include <kaboutdata.h>
+#include <tdeconfig.h>
+
+#include "../../src/include/debug-profiler.h"
+
+///////////////////////////////////////////////////////////////////////
+//// plugin library functions
+
+PLUGIN_LIBRARY_FUNCTIONS(Radio, "kradio-radio", i18n("Central Radio Device Multiplexer"));
+
+/////////////////////////////////////////////////////////////////////////////
+
+Radio::Radio(const TQString &name)
+  : PluginBase(name, i18n("Radio Multiplexer Plugin")),
+    IRadioDeviceClient(-1),
+    m_presetFile(locateLocal("data", "kradio/stations.krp")),
+    m_activeDevice (NULL)
+{
+}
+
+
+Radio::~Radio()
+{
+}
+
+
+bool Radio::connectI    (Interface *i)
+{
+    bool a = IRadio::connectI(i);
+    bool b = IRadioDeviceClient::connectI(i);
+    bool c = IRadioDevicePool::connectI(i);
+    bool d = PluginBase::connectI(i);
+    bool e = ISoundStreamClient::connectI(i);
+
+    // no "return IA::connectI() | return IB::connnectI to
+    // prevent "early termination" optimization in boolean expressions
+    return a || b || c || d || e;
+}
+
+
+bool Radio::disconnectI (Interface *i)
+{
+    bool a = IRadio::disconnectI(i);
+    bool b = IRadioDeviceClient::disconnectI(i);
+    bool c = IRadioDevicePool::disconnectI(i);
+    bool d = PluginBase::disconnectI(i);
+    bool e = ISoundStreamClient::disconnectI(i);
+
+    // no "return IA::disconnectI() | return IB::disconnnectI to
+    // prevent "early termination" optimization in boolean expressions
+    return a || b || c || d || e;
+}
+
+
+void Radio::saveState (TDEConfig *config) const
+{
+    config->setGroup(TQString("radio-") + name());
+
+    config->writeEntry("presetfile", m_presetFile);
+
+    m_stationList.writeXML(m_presetFile, *this);
+}
+
+
+void Radio::restoreState (TDEConfig *config)
+{
+    config->setGroup(TQString("radio-") + name());
+
+    m_presetFile = config->readEntry("presetfile",
+                                     TQString());
+    bool first_restore = false;
+    if (m_presetFile.isNull() || m_presetFile.length() == 0) {
+        m_presetFile = locateLocal("data", "kradio/stations.krp");
+        first_restore = true;
+    }
+
+    m_stationList.readXML(KURL(m_presetFile), *this, /*enable-messagebox*/ !first_restore);
+
+    notifyStationsChanged(m_stationList);
+    notifyPresetFileChanged(m_presetFile);
+}
+
+
+
+ConfigPageInfo Radio::createConfigurationPage()
+{
+    RadioConfiguration *conf = new RadioConfiguration (NULL, *this);
+    connectI (conf);
+    return ConfigPageInfo(
+        conf,
+        i18n("Radio Stations"),
+        i18n("Setup Radio Stations"),
+        "kradio"
+    );
+}
+
+
+AboutPageInfo Radio::createAboutPage()
+{
+/*    TDEAboutData aboutData("kradio",
+                         NULL,
+                         NULL,
+                         I18N_NOOP("Radio Device Multiplexer and Station Management for TDERadio"),
+                         TDEAboutData::License_GPL,
+                         "(c) 2002-2005 Martin Witte, Klas Kalass",
+                         0,
+                         "http://sourceforge.net/projects/kradio",
+                         0);
+    aboutData.addAuthor("Martin Witte",  "", "[email protected]");
+    aboutData.addAuthor("Klas Kalass",   "", "[email protected]");
+
+    return AboutPageInfo(
+              new TDERadioAboutWidget(aboutData, TDERadioAboutWidget::AbtTabbed),
+              i18n("Device and Station Management"),
+              i18n("Radio Device Multiplexer and Station Management"),
+              "kradio"
+           );
+*/
+    return AboutPageInfo();
+}
+
+
+
+
+
+
+/* IRadio Interface Methods
+*/
+
+/* offer new station to current device.
+   if that does not accept, try all other devices.
+   Any device will be powered off if it does not accept the station
+*/
+
+bool Radio::activateStation (const RadioStation &rs) {
+
+    if (sendActivateStation(rs)) {    // first try activeDevice
+
+        return true;
+
+    } else {                          // hmm... active device did not want it. Try others...
+
+        int n = 0;
+
+        for (IRadioDeviceClient::IFIterator it(IRadioDeviceClient::iConnections); it.current(); ++it) {
+
+            if (it.current()->activateStation(rs)) {
+
+                setActiveDevice(it.current());  // select new device
+                ++n;
+
+            } else {
+
+                it.current()->powerOff();
+
+            }
+        }
+
+        return n > 0;
+    }
+}
+
+
+bool Radio::activateStation(int index)
+{
+    if (index < 0 || index >= m_stationList.count())
+        return false;
+
+    return activateStation(m_stationList.at(index));
+}
+
+
+bool Radio::setStations(const StationList &sl)
+{
+    if (true/*m_stationList != sl*/) {
+        BlockProfiler("Radio::setStations");
+        m_stationList = sl;
+        notifyStationsChanged(m_stationList);
+    }
+    return true;
+}
+
+bool Radio::setPresetFile(const TQString &presetFile)
+{
+    if (m_presetFile != presetFile) {
+        m_presetFile = presetFile;
+        notifyPresetFileChanged(m_presetFile);
+    }
+    return true;
+}
+
+int Radio::getStationIdx(const RadioStation &rs) const
+{
+    RawStationList &sl = const_cast<RawStationList&>(m_stationList.all());
+    return sl.find(&rs);
+}
+
+int Radio::getCurrentStationIdx() const
+{
+    return getStationIdx(getCurrentStation());
+}
+
+SoundStreamID Radio::getCurrentSoundStreamID() const
+{
+    return queryCurrentSoundStreamID();
+}
+
+
+/* IRadioDevicePool Interface Methods
+
+*/
+
+
+bool Radio::setActiveDevice(IRadioDevice *rd, bool keepPower)
+{
+    // do nothing if old == new
+    if (m_activeDevice == rd)
+        return true;
+
+    // check if new station is in "connections"
+    // special case: rd == NULL: power off active device, new active device = NULL
+
+    if (!rd || IRadioDeviceClient::iConnections.containsRef(rd)) {     // new device is ok
+
+        // save old power state and power off old device
+        bool oldPowerOn = false;
+        if (m_activeDevice) {
+            oldPowerOn = m_activeDevice->isPowerOn();
+            m_activeDevice->powerOff();
+        }
+
+        // setup new active device && send notifications
+        m_activeDevice = rd;
+
+        // send notifications
+        notifyActiveDeviceChanged(m_activeDevice);
+        notifyCurrentSoundStreamIDChanged(queryCurrentSoundStreamID());
+        const RadioStation &rs = queryCurrentStation();
+        notifyStationChanged(rs, getStationIdx(rs));
+
+        if (keepPower)
+            oldPowerOn ? sendPowerOn() : sendPowerOff();
+
+        return true;
+
+    } else {
+        return false;
+    }
+}
+
+
+IRadioDevice *Radio::getActiveDevice() const
+{
+    return m_activeDevice;
+}
+
+
+const TQPtrList<IRadioDevice> &Radio::getDevices() const
+{
+    return IRadioDeviceClient::iConnections;
+}
+
+
+const TQString &Radio::getDeviceDescription() const
+{
+    return queryDescription();
+}
+
+
+
+/* IRadioDeviceClient Interface Methods
+
+   Many things are overwritten, particularly all sending methods
+
+*/
+
+int Radio::sendPowerOn() const
+{
+    return m_activeDevice ? m_activeDevice->powerOn() : 0;
+}
+
+
+int Radio::sendPowerOff() const
+{
+    return m_activeDevice ? m_activeDevice->powerOff() : 0;
+}
+
+int Radio::sendActivateStation (const RadioStation &rs) const
+{
+    return m_activeDevice ? m_activeDevice->activateStation(rs) : 0;
+}
+
+
+
+bool Radio::queryIsPowerOn() const
+{
+    return m_activeDevice ? m_activeDevice->isPowerOn() : false;
+}
+
+
+bool Radio::queryIsPowerOff() const
+{
+    return m_activeDevice ? m_activeDevice->isPowerOff() : true;
+}
+
+
+const RadioStation & Radio::queryCurrentStation() const
+{
+    if (m_activeDevice) {
+        RadioStation &rs = const_cast<RadioStation&>(m_activeDevice->getCurrentStation());
+        int idx = getStationIdx(rs);
+
+        if (idx >= 0) {
+            rs.copyDescriptionFrom(m_stationList.at(idx));
+        } else {
+            rs.copyDescriptionFrom(undefinedRadioStation);
+        }
+
+        return rs;
+    } else {
+        return undefinedRadioStation;
+    }
+}
+
+
+static TQString qstrUnknown(I18N_NOOP("unknown"));
+static TQString i18nqstrUnknown;
+const TQString &Radio::queryDescription() const
+{
+    return m_activeDevice ? m_activeDevice->getDescription() : (i18nqstrUnknown = i18n(qstrUnknown.ascii()));
+}
+
+
+
+bool Radio::noticePowerChanged (bool on, const IRadioDevice *sender)
+{
+    if (on) {
+        setActiveDevice(const_cast<IRadioDevice*>(sender), false);
+                        // false: do not set power state on new device
+                        // constcast valid because power-state of sender is not changed
+        notifyPowerChanged(true);
+        return true;
+
+    } else {
+        if (sender == m_activeDevice) {
+            sendStopCountdown();
+            notifyPowerChanged(false);
+            return true;
+        }
+        return false;
+    }
+}
+
+
+bool Radio::noticeStationChanged (const RadioStation &_rs, const IRadioDevice *sender)
+{
+    RadioStation &rs = const_cast<RadioStation&>(_rs);
+    int idx = getStationIdx(rs);
+
+    RadioStation &known = (idx >= 0) ? (RadioStation&)m_stationList.at(idx) :
+                                       (RadioStation&)undefinedRadioStation;
+    rs.copyDescriptionFrom(known);
+
+    if (sender == m_activeDevice)
+        notifyStationChanged(rs, idx);
+    return true;
+}
+
+
+bool Radio::noticeDescriptionChanged (const TQString &s, const IRadioDevice *sender)
+{
+    if (sender == m_activeDevice)
+        notifyDeviceDescriptionChanged(s);
+    return true;
+}
+
+
+bool Radio::noticeCurrentSoundStreamIDChanged(SoundStreamID id, const IRadioDevice *sender)
+{
+    if (sender == m_activeDevice)
+        notifyCurrentSoundStreamIDChanged(id);
+    return true;
+}
+
+
+SoundStreamID Radio::queryCurrentSoundStreamID() const
+{
+    return m_activeDevice ? m_activeDevice->getCurrentSoundStreamID() : SoundStreamID::InvalidID;
+}
+
+
+
+void Radio::noticeConnectedI(IRadioDeviceClient::cmplInterface *dev, bool pointer_valid)
+{
+    IRadioDeviceClient::noticeConnectedI(dev, pointer_valid);
+
+    if (! m_activeDevice && pointer_valid)
+        setActiveDevice (dev, false);
+
+    notifyDevicesChanged(IRadioDeviceClient::iConnections);
+}
+
+
+void Radio::noticeDisconnectI(IRadioDeviceClient::cmplInterface *rd, bool pointer_valid)
+{
+    IRadioDeviceClient::noticeDisconnectI(rd, pointer_valid);
+
+    if (rd == m_activeDevice) {
+
+        // search a new active device
+        if (IRadioDeviceClient::iConnections.findRef(rd) >= 0) {
+
+            IRadioDevice *new_rd = NULL;
+
+            new_rd =  IRadioDeviceClient::iConnections.next();    // choose next device as active device if next exists
+            if (!new_rd) {
+                IRadioDeviceClient::iConnections.findRef(rd);
+                new_rd = IRadioDeviceClient::iConnections.prev(); // otherwise try prev then, may be NULL (no connections)
+            }
+            setActiveDevice(new_rd);
+
+        } else {
+            // strange error occurred, m_activeDevice not in connections... set to first.
+
+            setActiveDevice(IRadioDeviceClient::iConnections.first());
+        }
+    }
+    notifyDevicesChanged(IRadioDeviceClient::iConnections);
+}
+
+
+// ITimeControlClient
+
+bool Radio::noticeAlarm(const Alarm &a)
+{
+    if (a.alarmType() == Alarm::StartPlaying ||
+        a.alarmType() == Alarm::StartRecording)
+    {
+        const RawStationList &sl = getStations().all();
+        const RadioStation &rs = sl.stationWithID(a.stationID());
+        activateStation(rs);
+        powerOn();
+
+        if (a.volumePreset() >= 0)
+            sendPlaybackVolume(getCurrentSoundStreamID(), a.volumePreset());
+
+        SoundStreamID id = getCurrentSoundStreamID();
+        bool r = false;
+        SoundFormat sf;
+        queryIsRecordingRunning(id, r, sf);
+        if (a.alarmType() == Alarm::StartRecording && !r)
+            sendStartRecording(id);
+
+    } else {
+        powerOff();
+    }
+    return true;
+}
+
+
+bool Radio::noticeCountdownZero()
+{
+    powerOff();
+    return true;
+}
+
+
+void Radio::aboutToQuit()
+{
+    sendPowerOff();
+}
+