1 files changed, 173 insertions, 0 deletions
diff --git a/noatun/modules/infrared/lirc.cpp b/noatun/modules/infrared/lirc.cpp
new file mode 100644
index 00000000..857c07e2
--- /dev/null
+++ b/noatun/modules/infrared/lirc.cpp
@@ -0,0 +1,173 @@
+
+#include <unistd.h>
+#include <sys/un.h>
+#include <sys/socket.h>
+#include <errno.h>
+
+#include <qsocket.h>
+
+#include <kdebug.h>
+#include <klocale.h>
+#include <kmessagebox.h>
+
+#include "lirc.h"
+
+Lirc::Lirc(QObject *parent)
+	: QObject(parent),
+	  m_socket(0)
+{
+	int sock = ::socket(PF_UNIX, SOCK_STREAM, 0);
+	if (sock == -1)
+	{
+		KMessageBox::sorry(0, i18n("Could not create a socket to receive infrared signals. The error is:\n") + strerror(errno));
+		return;
+	}
+	sockaddr_un addr;
+	addr.sun_family = AF_UNIX;
+	strcpy(addr.sun_path, "/dev/lircd");
+	if (::connect(sock, (struct sockaddr *)(&addr), sizeof(addr)) == -1)
+	{
+		KMessageBox::sorry(0, i18n("Could not establish a connection to receive infrared signals. The error is:\n") + strerror(errno));
+		::close(sock);
+		return;
+	}
+	
+	m_socket = new QSocket;
+	m_socket->setSocket(sock);
+	connect(m_socket, SIGNAL(readyRead()), SLOT(slotRead()));
+	update();
+}
+
+Lirc::~Lirc()
+{
+	delete m_socket;
+}
+
+const QStringList Lirc::remotes() const
+{
+	QStringList result;
+	for (Remotes::ConstIterator it = m_remotes.begin(); it != m_remotes.end(); ++it)
+		result.append(it.key());
+	result.sort();
+	return result;
+}
+
+void Lirc::slotRead()
+{
+	while (m_socket->bytesAvailable())
+	{
+		QString line = readLine();
+		if (line == "BEGIN")
+		{
+			// BEGIN
+			// <command>
+			// [SUCCESS|ERROR]
+			// [DATA
+			// n
+			// n lines of data]
+			// END
+			line = readLine();
+			if (line == "SIGHUP")
+			{
+				// Configuration changed
+				do line = readLine();
+				while (!line.isEmpty() && line != "END");
+				update();
+				return;
+			}
+			else if (line == "LIST")
+			{
+				// remote control list
+				if (readLine() != "SUCCESS" || readLine() != "DATA")
+				{
+					do line = readLine();
+					while (!line.isEmpty() && line != "END");
+					return;
+				}
+				QStringList remotes;
+				int count = readLine().toInt();
+				for (int i = 0; i < count; ++i)
+					remotes.append(readLine());
+				do line = readLine();
+				while (!line.isEmpty() && line != "END");
+				if (line.isEmpty())
+					return; // abort on corrupt data
+				for (QStringList::ConstIterator it = remotes.begin(); it != remotes.end(); ++it)
+					sendCommand("LIST " + *it);
+				return;
+			}
+			else if (line.left(4) == "LIST")
+			{
+				// button list
+				if (readLine() != "SUCCESS" || readLine() != "DATA")
+				{
+					do line = readLine();
+					while (!line.isEmpty() && line != "END");
+					return;
+				}
+				QString remote = line.mid(5);
+				QStringList buttons;
+				int count = readLine().toInt();
+				for (int i = 0; i < count; ++i)
+				{
+					// <code> <name>
+					QString btn = readLine();
+					buttons.append(btn.mid(17));
+				}
+				m_remotes.insert(remote, buttons);
+			}
+			do line = readLine();
+			while (!line.isEmpty() && line != "END");
+			emit remotesRead();
+		}
+		else
+		{
+			// <code> <repeat> <button name> <remote control name>
+			line.remove(0, 17); // strip code
+			int pos = line.find(' ');
+			if (pos < 0)
+				return;
+			bool ok;
+			int repeat = line.left(pos).toInt(&ok, 16);
+			if (!ok)
+				return;
+			line.remove(0, pos + 1);
+			
+			pos = line.find(' ');
+			if (pos < 0)
+				return;
+			QString btn = line.left(pos);
+			line.remove(0, pos + 1);
+
+			emit commandReceived(line, btn, repeat);
+		}
+	}
+}
+
+void Lirc::update()
+{
+	m_remotes.clear();
+	sendCommand("LIST");
+}
+
+const QString Lirc::readLine()
+{
+	if (!m_socket->bytesAvailable())
+		return QString::null;
+
+	QString line = m_socket->readLine();
+	if (line.isEmpty())
+		return QString::null;
+
+	line.remove(line.length() - 1, 1);
+	return line;
+}
+
+void Lirc::sendCommand(const QString &command)
+{
+	QString cmd = command + "\n";
+	m_socket->writeBlock(cmd.latin1(), cmd.length());
+}
+
+#include "lirc.moc"
+