From dd1659f80d5cac06461519a0390a4c284ee64212 Mon Sep 17 00:00:00 2001
From: "Jason A. Donenfeld" <Jason@zx2c4.com>
Date: Sat, 5 Sep 2009 22:57:40 -0400
Subject: DVDDrive class.

---
 dvddrive.cpp | 72 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 dvddrive.h   | 27 +++++++++++++++++++++++
 2 files changed, 99 insertions(+)
 create mode 100644 dvddrive.cpp
 create mode 100644 dvddrive.h

diff --git a/dvddrive.cpp b/dvddrive.cpp
new file mode 100644
index 0000000..b81fca2
--- /dev/null
+++ b/dvddrive.cpp
@@ -0,0 +1,72 @@
+#include "dvddrive.h"
+#include <QDBusConnection>
+#include <QDBusInterface>
+#include <QDBusReply>
+#include <QDebug>
+#include <QStringList>
+
+DVDDrive::DVDDrive(QObject *parent)
+		: QObject(parent)
+{
+	m_halManager = new QDBusInterface(QLatin1String("org.freedesktop.Hal"), QLatin1String("/org/freedesktop/Hal/Manager"), QLatin1String("org.freedesktop.Hal.Manager"), QDBusConnection::systemBus(), this);
+	QStringList devices = m_halManager->call(QLatin1String("FindDeviceByCapability"), QLatin1String("volume.disc")).arguments().at(0).toStringList();
+	m_halDisc = 0;
+	foreach (QString device, devices) {
+		if (deviceAdded(device))
+			break;
+	}
+	connect(m_halManager, SIGNAL(DeviceAdded(QString)), this, SLOT(deviceAdded(const QString&)));
+	connect(m_halManager, SIGNAL(DeviceRemoved(QString)), this, SLOT(deviceRemoved(const QString&)));
+}
+bool DVDDrive::deviceAdded(const QString &device)
+{
+	QDBusInterface *old = m_halDisc;
+	m_halDisc = new QDBusInterface(QLatin1String("org.freedesktop.Hal"), device, QLatin1String("org.freedesktop.Hal.Device"), QDBusConnection::systemBus(), this);
+	if (m_halDisc->call(QLatin1String("GetPropertyBoolean"), QLatin1String("volume.disc.is_videodvd")).arguments().at(0).toBool()) {
+		if (old)
+			delete old;
+		emit dvdAdded();
+		return true;
+	} else {
+		delete m_halDisc;
+		m_halDisc = old;
+		return false;
+	}
+}
+void DVDDrive::deviceRemoved(const QString &device)
+{
+	if (m_halDisc && m_halDisc->path() == device) {
+		delete m_halDisc;
+		m_halDisc = 0;
+		emit dvdRemoved();
+	}
+}
+QString DVDDrive::dvdName() const
+{
+	if (m_halDisc)
+		return m_halDisc->call(QLatin1String("GetPropertyString"), QLatin1String("volume.label")).arguments().at(0).toString();
+	else
+		return QString();
+}
+QString DVDDrive::dvdDevice() const
+{
+	if (m_halDisc)
+		return m_halDisc->call(QLatin1String("GetPropertyString"), QLatin1String("block.device")).arguments().at(0).toString();
+	else
+		return QString();
+}
+bool DVDDrive::dvdInserted() const
+{
+	return m_halDisc != 0;
+}
+void DVDDrive::eject()
+{
+	if (m_halDisc) {
+		QString path = m_halDisc->path();
+		deviceRemoved(path);
+		m_halDisc = new QDBusInterface(QLatin1String("org.freedesktop.Hal"), path, QLatin1String("org.freedesktop.Hal.Device.Volume"), QDBusConnection::systemBus(), this);
+		m_halDisc->call(QLatin1String("Eject"),	QStringList());
+		delete m_halDisc;
+		m_halDisc = 0;
+	}
+}
diff --git a/dvddrive.h b/dvddrive.h
new file mode 100644
index 0000000..a400ae3
--- /dev/null
+++ b/dvddrive.h
@@ -0,0 +1,27 @@
+#ifndef DVDDRIVE_H
+#define DVDDRIVE_H
+
+#include <QObject>
+class QDBusInterface;
+
+class DVDDrive : public QObject
+{
+	Q_OBJECT
+public:
+	DVDDrive(QObject *parent = 0);
+	QString dvdName() const;
+	QString dvdDevice() const;
+	bool dvdInserted() const;
+	void eject();
+private:
+	QDBusInterface *m_halManager;
+	QDBusInterface *m_halDisc;
+private slots:
+	bool deviceAdded(const QString &device);
+	void deviceRemoved(const QString &device);
+signals:
+	void dvdAdded();
+	void dvdRemoved();
+};
+
+#endif // DVDDRIVE_H
-- 
cgit v1.2.3-59-g8ed1b