bluetooth: add bluetooth integration

Missing support for things that require an agent, but has most basics.

Closes #17

src/bluetooth/bluez.hpp

@@ -0,0 +1,81 @@
+#pragma once
+
+#include <qcontainerfwd.h>
+#include <qhash.h>
+#include <qobject.h>
+#include <qqmlintegration.h>
+#include <qtmetamacros.h>
+
+#include "../core/doc.hpp"
+#include "../core/model.hpp"
+#include "../dbus/dbus_objectmanager_types.hpp"
+#include "../dbus/objectmanager.hpp"
+
+namespace qs::bluetooth {
+
+class BluetoothAdapter;
+class BluetoothDevice;
+
+class Bluez: public QObject {
+	Q_OBJECT;
+
+public:
+	[[nodiscard]] ObjectModel<BluetoothAdapter>* adapters() { return &this->mAdapters; }
+	[[nodiscard]] ObjectModel<BluetoothDevice>* devices() { return &this->mDevices; }
+	[[nodiscard]] BluetoothAdapter* defaultAdapter() const;
+
+	[[nodiscard]] BluetoothAdapter* adapter(const QString& path) {
+		return this->mAdapterMap.value(path);
+	}
+
+	static Bluez* instance();
+
+private slots:
+	void
+	onInterfacesAdded(const QDBusObjectPath& path, const DBusObjectManagerInterfaces& interfaces);
+	void onInterfacesRemoved(const QDBusObjectPath& path, const QStringList& interfaces);
+
+private:
+	explicit Bluez();
+	void init();
+
+	qs::dbus::DBusObjectManager* objectManager = nullptr;
+	QHash<QString, BluetoothAdapter*> mAdapterMap;
+	QHash<QString, BluetoothDevice*> mDeviceMap;
+	ObjectModel<BluetoothAdapter> mAdapters {this};
+	ObjectModel<BluetoothDevice> mDevices {this};
+};
+
+///! Bluetooth manager
+/// Provides access to bluetooth devices and adapters.
+class BluezQml: public QObject {
+	Q_OBJECT;
+	/// The default bluetooth adapter. Usually there is only one.
+	Q_PROPERTY(BluetoothAdapter* defaultAdapter READ defaultAdapter CONSTANT);
+	QSDOC_TYPE_OVERRIDE(ObjectModel<qs::bluetooth::BluetoothAdapter>*);
+	/// A list of all bluetooth adapters. See @@defaultAdapter for the default.
+	Q_PROPERTY(UntypedObjectModel* adapters READ adapters CONSTANT);
+	QSDOC_TYPE_OVERRIDE(ObjectModel<qs::bluetooth::BluetoothDevice>*);
+	/// A list of all connected bluetooth devices across all adapters.
+	/// See @@BluetoothAdapter.devices for the devices connected to a single adapter.
+	Q_PROPERTY(UntypedObjectModel* devices READ devices CONSTANT);
+	QML_NAMED_ELEMENT(Bluetooth);
+	QML_SINGLETON;
+
+public:
+	explicit BluezQml(QObject* parent = nullptr): QObject(parent) {}
+
+	[[nodiscard]] static ObjectModel<BluetoothAdapter>* adapters() {
+		return Bluez::instance()->adapters();
+	}
+
+	[[nodiscard]] static ObjectModel<BluetoothDevice>* devices() {
+		return Bluez::instance()->devices();
+	}
+
+	[[nodiscard]] static BluetoothAdapter* defaultAdapter() {
+		return Bluez::instance()->defaultAdapter();
+	}
+};
+
+} // namespace qs::bluetooth