Commit eccc792efd59fc3f2717c99b1a7d37e36df80bc5

swiesner <swiesner @283d02a7-25f6-0310…ecb5cbfe19da.>
Fri Apr 23 19:58:39 CEST 2010

Tree SHA1: 08799da
Parent SHA1: 403160d (GUI: Increased the number of decimals for acceleration factor setting)
raw diff | raw patch

Monitor the HAL service and handle (un)registration

git-svn-id: svn+ssh://svn.kde.org/home/kde/trunk/playground/utils/synaptiks@1118004 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

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30	30	#include "mousedevicesmonitor.h"
31	31	#include <KDebug>
32	32	#include <QtDBus/QDBusInterface>
	33	#include <QtDBus/QDBusServiceWatcher>
33	34	#include <QtDBus/QDBusReply>
34	35	#include <QtCore/QStringList>
	36	#include <QtCore/QPointer>
35	37
36	38
37	39	using namespace synaptiks;
…	…
61	61
62	62	void _k_deviceAdded(const QString &udi);
63	63	void _k_deviceRemoved(const QString &udi);
	64	void _k_halRegistered();
	65	void _k_halUnregistered();
64	66	QStringList pluggedMouseDevices() const;
65	67	bool queryCapability(const QString &udi,
66	68	const QString &capability) const;
67	69	QString getProperty(const QString &udi,
68	70	const QString &property) const;
69	71
70		QDBusInterface *hal_manager;
	72	QPointer<QDBusInterface> hal_manager;
	73	QDBusServiceWatcher *hal_watcher;
71	74	QSet<QString> mouseDevices;
72	75	MouseDevicesMonitor *q_ptr;
73	76	};
…	…
86	86	SLOT(_k_deviceAdded(const QString&)));
87	87	q->connect(this->hal_manager, SIGNAL(DeviceRemoved(const QString&)),
88	88	SLOT(_k_deviceRemoved(const QString&)));
	89	// watch the HAL service for (un-)registration to re-initialize the
	90	// connection to this service if required (e.g. HAL was restarted due to
	91	// an update or HAL crashed or whatever)
	92	this->hal_watcher = new QDBusServiceWatcher(q);
	93	this->hal_watcher->addWatchedService(HAL_SERVICE);
	94	q->connect(this->hal_watcher, SIGNAL(serviceRegistered(const QString&)),
	95	SLOT(_k_halRegistered()));
	96	q->connect(
	97	this->hal_watcher, SIGNAL(serviceUnregistered(const QString&)),
	98	SLOT(_k_halUnregistered()));
	99	this->hal_watcher->setConnection(this->hal_manager->connection());
89	100	this->mouseDevices = QSet<QString>::fromList(
90	101	this->pluggedMouseDevices());
91	102	}
…	…
117	117	}
118	118	}
119	119
	120	void MouseDevicesMonitorPrivate::_k_halRegistered() {
	121	// HAL is available now, create the interface and "connect" all mouses
	122	Q_Q(MouseDevicesMonitor);
	123	this->hal_manager = new QDBusInterface(
	124	HAL_SERVICE, HAL_MANAGER_PATH, HAL_MANAGER_IFACE,
	125	this->hal_watcher->connection(), q);
	126	this->mouseDevices = QSet<QString>::fromList(
	127	this->pluggedMouseDevices());
	128	foreach (const QString &udi, this->mouseDevices) {
	129	emit q->mousePlugged(udi);
	130	}
	131	}
	132
	133	void MouseDevicesMonitorPrivate::_k_halUnregistered() {
	134	// HAL is gone, so we consider all mouses being disconnected now, just
	135	// to be on the safe side, because we can't montor mouse devices
	136	// anymore.
	137	Q_Q(MouseDevicesMonitor);
	138	foreach (const QString &udi, this->mouseDevices) {
	139	emit q->mouseUnplugged(udi);
	140	}
	141	this->mouseDevices.clear();
	142	// delete the now invalid interface
	143	delete this->hal_manager;
	144	}
	145
120	146	QStringList MouseDevicesMonitorPrivate::pluggedMouseDevices() const {
121	147	kDebug() << "enumerating plugged devices";
	148	if (!this->hal_manager)
	149	return QStringList();
122	150	QDBusReply<QStringList> devices = this->hal_manager->call(
123	151	"FindDeviceByCapability", "input.mouse");
124	152	if (!devices.isValid()) {


157	157
158	158	Q_PRIVATE_SLOT(d_func(), void _k_deviceAdded(const QString&))
159	159	Q_PRIVATE_SLOT(d_func(), void _k_deviceRemoved(const QString&))
	160	Q_PRIVATE_SLOT(d_func(), void _k_halRegistered())
	161	Q_PRIVATE_SLOT(d_func(), void _k_halUnregistered())
160	162
161	163	MouseDevicesMonitorPrivate * const d_ptr;
162	164	};

Commit eccc792efd59fc3f2717c99b1a7d37e36df80bc5

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