+
+#ifdef MODEST_PLATFORM_MAEMO
+gboolean
+modest_maemo_utils_in_usb_mode ()
+{
+ return modest_conf_get_bool (modest_runtime_get_conf (), INTERNAL_MMC_USB_MODE, NULL);
+}
+#endif
+
+void
+modest_maemo_utils_scroll_pannable (HildonPannableArea *pannable,
+ gint horizontal,
+ gint vertical)
+{
+ gint h_pos = -1;
+ gint v_pos = -1;
+
+ g_assert (pannable);
+ /* at atleast one of values have to be valid */
+ g_return_if_fail (h_pos == -1 && v_pos == -1);
+
+ if (horizontal != 0) {
+ GtkAdjustment *h_adj;
+
+ h_adj = hildon_pannable_area_get_hadjustment (pannable);
+ g_return_if_fail (h_adj);
+
+ h_pos = h_adj->value + h_adj->step_increment * horizontal;
+ if (horizontal > 0) {
+ h_pos += h_adj->page_size;
+ }
+ }
+
+ if (vertical != 0) {
+ GtkAdjustment *v_adj;
+
+ v_adj = hildon_pannable_area_get_vadjustment (pannable);
+ g_return_if_fail (v_adj);
+
+ v_pos = v_adj->value + v_adj->step_increment * vertical;
+ if (vertical > 0) {
+ v_pos += v_adj->page_size;
+ }
+ }
+
+ hildon_pannable_area_scroll_to (pannable, h_pos, v_pos);
+}
+
+#ifdef MODEST_USE_IPHB
+
+typedef struct _ModestHeartbeatSource {
+ GSource source;
+ iphb_t iphb;
+ GPollFD poll;
+ gint interval;
+} ModestHeartbeatSource;
+
+static gboolean modest_heartbeat_prepare (GSource* source, gint *timeout)
+{
+ *timeout = -1;
+ return FALSE;
+}
+
+static gboolean
+modest_heartbeat_check(GSource* source)
+{
+ return ((ModestHeartbeatSource *) source)->poll.revents != 0;
+}
+
+static gboolean modest_heartbeat_dispatch (GSource *source, GSourceFunc callback, gpointer userdata)
+{
+ if (callback(userdata))
+ {
+ ModestHeartbeatSource *hb_source = (ModestHeartbeatSource *) source;
+
+ g_source_remove_poll (source, &(hb_source->poll));
+
+ int min = MAX(hb_source->interval - 30, 5);
+ iphb_wait(hb_source->iphb, min, min + 60, 0);
+
+ hb_source->poll.fd = iphb_get_fd(hb_source->iphb);
+ hb_source->poll.events = G_IO_IN;
+ hb_source->poll.revents = 0;
+
+ g_source_add_poll(source, &(hb_source->poll));
+
+ return TRUE;
+ } else {
+ return FALSE;
+ }
+}
+
+static void
+modest_heartbeat_finalize (GSource* source)
+{
+ ModestHeartbeatSource* hb_source = (ModestHeartbeatSource *) source;
+ hb_source->iphb = iphb_close(hb_source->iphb);
+}
+
+GSourceFuncs modest_heartbeat_funcs =
+{
+ modest_heartbeat_prepare,
+ modest_heartbeat_check,
+ modest_heartbeat_dispatch,
+ modest_heartbeat_finalize,
+ NULL,
+ NULL
+};
+
+static GSource *
+modest_heartbeat_source_new (void)
+{
+ GSource *source;
+ ModestHeartbeatSource *hb_source;
+ iphb_t iphb;
+ int hb_interval;
+
+ source = NULL;
+ hb_interval = 0;
+
+ iphb = iphb_open (&hb_interval);
+
+ if (iphb != 0) {
+ int min;
+ source = g_source_new (&modest_heartbeat_funcs, sizeof (ModestHeartbeatSource));
+ hb_source = (ModestHeartbeatSource *) source;
+ g_source_set_priority (source, G_PRIORITY_DEFAULT_IDLE);
+ hb_source->iphb = iphb;
+ hb_source->interval = hb_interval;
+
+ min = MAX(hb_interval - 30, 5);
+ iphb_wait(hb_source->iphb, min, min + 60, 0);
+
+ hb_source->poll.fd = iphb_get_fd(hb_source->iphb);
+ hb_source->poll.events = G_IO_IN;
+ hb_source->poll.revents = 0;
+
+ g_source_add_poll(source, &(hb_source->poll));
+ } else {
+ source = g_idle_source_new ();
+ }
+
+ return source;
+}
+
+guint
+modest_heartbeat_add (GSourceFunc function,
+ gpointer userdata)
+{
+ GSource *source;
+ guint id;
+
+ source = modest_heartbeat_source_new ();
+ g_source_set_callback (source, function, userdata, NULL);
+ id = g_source_attach (source, NULL);
+ g_source_unref (source);
+
+ return id;
+}
+
+#else
+guint
+modest_heartbeat_add (GSourceFunc function,
+ gpointer userdata)
+{
+ return g_idle_add (function, userdata);
+}
+#endif