// We have the a11y registry on the session bus.
// Subscribe to updates about a11y enabled state.
// Find out the bus address
void DBusConnection::serviceRegistered()
{
// listen to enabled changes
QDBusConnection c = QDBusConnection::sessionBus();
OrgA11yStatusInterface *a11yStatus = new OrgA11yStatusInterface(A11Y_SERVICE, A11Y_PATH, c, this);
//The variable was introduced because on some embedded platforms there are custom accessibility
//clients which don't set Status.ScreenReaderEnabled to true. The variable is also useful for
//debugging.
static const bool a11yAlwaysOn = qEnvironmentVariableIsSet("QT_LINUX_ACCESSIBILITY_ALWAYS_ON");
// a11yStatus->isEnabled() returns always true (since Gnome 3.6)
bool enabled = a11yAlwaysOn || a11yStatus->screenReaderEnabled();
if (enabled != m_enabled) {
m_enabled = enabled;
if (m_a11yConnection.isConnected()) {
emit enabledChanged(m_enabled);
} else {
QDBusConnection c = QDBusConnection::sessionBus();
QDBusMessage m = QDBusMessage::createMethodCall(QLatin1String("org.a11y.Bus"),
QLatin1String("/org/a11y/bus"),
QLatin1String("org.a11y.Bus"), QLatin1String("GetAddress"));
c.callWithCallback(m, this, SLOT(connectA11yBus(QString)), SLOT(dbusError(QDBusError)));
}
}
// connect(a11yStatus, ); QtDbus doesn't support notifications for property changes yet
}
// We have the a11y registry on the session bus.
// Subscribe to updates about a11y enabled state.
// Find out the bus address
void DBusConnection::serviceRegistered()
{
// listen to enabled changes
QDBusConnection c = QDBusConnection::sessionBus();
OrgA11yStatusInterface *a11yStatus = new OrgA11yStatusInterface(A11Y_SERVICE, A11Y_PATH, c, this);
// a11yStatus->isEnabled() returns always true (since Gnome 3.6)
bool enabled = a11yStatus->screenReaderEnabled();
if (enabled != m_enabled) {
m_enabled = enabled;
if (m_a11yConnection.isConnected()) {
emit enabledChanged(m_enabled);
} else {
QDBusConnection c = QDBusConnection::sessionBus();
QDBusMessage m = QDBusMessage::createMethodCall(QLatin1String("org.a11y.Bus"),
QLatin1String("/org/a11y/bus"),
QLatin1String("org.a11y.Bus"), QLatin1String("GetAddress"));
c.callWithCallback(m, this, SLOT(connectA11yBus(QString)), SLOT(dbusError(QDBusError)));
}
}
// connect(a11yStatus, ); QtDbus doesn't support notifications for property changes yet
}