+/* this has to be explicitly removed */
+static gboolean
+do_pulse (gpointer data)
+{
+ ModestProgressBarWidgetPrivate *priv;
+
+ g_return_val_if_fail (MODEST_IS_PROGRESS_BAR_WIDGET(data), FALSE);
+
+ priv = MODEST_PROGRESS_BAR_WIDGET_GET_PRIVATE (data);
+ gtk_progress_bar_pulse (GTK_PROGRESS_BAR (priv->progress_bar));
+ return TRUE;
+}
+
+gboolean
+modest_progress_bar_widget_is_pulsating (ModestProgressBarWidget *self)
+{
+ ModestProgressBarWidgetPrivate *priv;
+
+ g_return_val_if_fail (MODEST_IS_PROGRESS_BAR_WIDGET(self), FALSE);
+
+ priv = MODEST_PROGRESS_BAR_WIDGET_GET_PRIVATE (self);
+
+ return priv->pulsating_timeout != 0;
+}
+
+void
+modest_progress_bar_widget_set_pulsating_mode (ModestProgressBarWidget *self,
+ const gchar* msg,
+ gboolean is_pulsating)
+{
+ ModestProgressBarWidgetPrivate *priv;
+
+ g_return_if_fail (MODEST_IS_PROGRESS_BAR_WIDGET(self));
+
+ priv = MODEST_PROGRESS_BAR_WIDGET_GET_PRIVATE (self);
+
+ if (msg != NULL)
+ gtk_progress_bar_set_text (GTK_PROGRESS_BAR (priv->progress_bar), msg);
+
+ if (is_pulsating == (priv->pulsating_timeout != 0))
+ return;
+ else if (is_pulsating && (priv->pulsating_timeout == 0)) {
+ /* enable */
+ priv->pulsating_timeout = g_timeout_add (MODEST_PROGRESS_BAR_PULSE_INTERVAL,
+ do_pulse, self);
+ } else if (!is_pulsating && (priv->pulsating_timeout != 0)) {
+ /* disable */
+ g_source_remove (priv->pulsating_timeout);
+ priv->pulsating_timeout = 0;
+ }
+}