added nav core

1 files changed, 88 insertions, 0 deletions

diff --git a/lib/nav/core.cpp b/lib/nav/core.cpp
new file mode 100644
index 00000000..b5c229c7
--- /dev/null
+++ b/lib/nav/core.cpp
@@ -0,0 +1,88 @@
+#include <lib/nav/core.h>
+
+void eNavigation::serviceEvent(iPlayableService* service, int event)
+{
+	if (service != m_runningService)
+	{
+		eDebug("nav: event for other service");
+		return;
+	}
+
+	switch (event)
+	{
+	case iPlayableService::evEnd:
+			/* our running main service stopped. */
+		if (!m_playlist.empty())
+			m_playlist.erase(m_playlist.begin());
+		if (!m_playlist.empty())
+		{
+			RESULT res;
+			res = playService(m_playlist.front());
+			if (res)
+				m_event(this, evPlayFailed);
+		} else
+			m_event(this, evPlaylistDone);
+		break;
+	case iPlayableService::evStart:
+		m_event(this, evNewService);
+		break;
+	default:
+		break;
+	}
+}
+
+RESULT eNavigation::playService(const eServiceReference &service)
+{
+	RESULT res = m_servicehandler->play(service, m_runningService);
+	if (m_runningService)
+	{
+		m_runningService->connectEvent(slot(*this, &eNavigation::serviceEvent), m_service_event_conn);
+		res = m_runningService->start();
+	}
+	return res;
+}
+
+RESULT eNavigation::enqueueService(const eServiceReference &service)
+{
+	int doplay = m_playlist.empty();
+	m_playlist.push_back(service);
+	if (doplay)
+		return playService(m_playlist.front());
+	return 0;
+}
+
+RESULT eNavigation::connectEvent(const Slot2<void,eNavigation*,int> &event, ePtr<eConnection> &connection)
+{
+	connection = new eConnection(m_event.connect(event));
+	return 0;
+}
+
+RESULT eNavigation::getCurrentService(ePtr<iPlayableService> &service)
+{
+	service = m_runningService;
+	return 0;
+}
+
+RESULT eNavigation::pause(int dop)
+{
+	if (!m_runningService)
+		return -1;
+	ePtr<iPauseableService> p;
+	if (m_runningService->getIPausableService(p))
+		return -2;
+	if (dop)
+		return p->pause();
+	else
+		return p->unpause();
+}
+
+eNavigation::eNavigation(iServiceHandler *serviceHandler)
+{
+	m_servicehandler = serviceHandler;
+}
+
+eNavigation::~eNavigation()
+{
+}
+
+DEFINE_REF(eNavigation);