+#include "qtcamvideotorch.h"
+#include "qtcamdevice.h"
+#include "qtcamdevice_p.h"
+#include <QPointer>
+
+class QtCamVideoTorchPrivate {
+public:
+ static void torch_notify(GObject *gobject, GParamSpec *pspec, QtCamVideoTorch *q) {
+ Q_UNUSED(gobject);
+ Q_UNUSED(pspec);
+
+ QMetaObject::invokeMethod(q, "stateChanged", Qt::QueuedConnection);
+ }
+
+ QPointer<QtCamDevice> dev;
+ gulong handler;
+};
+
+QtCamVideoTorch::QtCamVideoTorch(QtCamDevice *dev, QObject *parent) :
+ QObject(parent), d_ptr(new QtCamVideoTorchPrivate) {
+
+ d_ptr->dev = dev;
+ d_ptr->handler = 0;
+
+ if (d_ptr->dev->d_ptr->videoSource) {
+ d_ptr->handler = g_signal_connect(d_ptr->dev->d_ptr->videoSource,
+ "notify::video-torch",
+ G_CALLBACK(QtCamVideoTorchPrivate::torch_notify), this);
+ }
+}
+
+QtCamVideoTorch::~QtCamVideoTorch() {
+ if (d_ptr->dev && d_ptr->handler) {
+ g_signal_handler_disconnect(d_ptr->dev->d_ptr->videoSource, d_ptr->handler);
+ }
+
+ delete d_ptr; d_ptr = 0;
+}
+
+void QtCamVideoTorch::setOn(bool on) {
+ gboolean val = on ? TRUE : FALSE;
+
+ if (d_ptr->dev->d_ptr->videoSource) {
+ g_object_set(d_ptr->dev->d_ptr->videoSource, "video-torch", val, NULL);
+ }
+}
+
+bool QtCamVideoTorch::isOn() const {
+ gboolean val = FALSE;
+
+ if (d_ptr->dev->d_ptr->videoSource) {
+ g_object_get(d_ptr->dev->d_ptr->videoSource, "video-torch", &val, NULL);
+ }
+
+ return (val == TRUE);
+}