add support for opening uris from sandboxed gadgets

e-gadget.xml

@@ -30,6 +30,9 @@
     <event name="gadget_gravity">
       <arg name="gravity" type="uint" enum="gravity"/>
     </event>
+    <request name="open_uri">
+      <arg name="uri" type="string"/>
+    </request>
   </interface>
 
 </protocol>

loader/loader.c

@@ -187,6 +187,16 @@ static const struct action_route_bind_listener _ar_bind_interface =
    _ar_bind_end
 };
 
+static void
+uriopen_request(void *data, Evas_Object *obj EINA_UNUSED, void *event_info)
+{
+   Ecore_Wl2_Display *d = data;
+   const char *uri = event_info;
+   struct e_gadget *gadget_global = eina_hash_find(gadget_globals, &d);
+
+   e_gadget_open_uri(gadget_global, uri);
+}
+
 static void
 action_request(void *data, Evas_Object *obj, void *event_info)
 {
@@ -259,6 +269,7 @@ win_add(Evas_Object *win)
      wins = eina_hash_pointer_new(NULL);
    eina_hash_list_append(wins, &d, win);
    evas_object_smart_callback_add(win, "gadget_action_request", action_request, d);
+   evas_object_smart_callback_add(win, "gadget_open_uri", uriopen_request, d);
    evas_object_event_callback_add(win, EVAS_CALLBACK_DEL, win_del, NULL);
    elm_win_borderless_set(win, 1);
    return win;

src/runner.c

@@ -387,6 +387,20 @@ gadget_unbind(struct wl_resource *resource)
    inst->gadget_resource = NULL;
 }
 
+static void
+gadget_open_uri(struct wl_client *client EINA_UNUSED, struct wl_resource *resource, const char *uri)
+{
+   Instance *inst = wl_resource_get_user_data(resource);
+
+   /* FIXME: rate limit? */
+   e_util_open(uri, NULL);
+}
+
+static const struct e_gadget_interface _gadget_interface =
+{
+   .open_uri = gadget_open_uri,
+};
+
 static void
 gadget_bind(struct wl_client *client, void *data, uint32_t version, uint32_t id)
 {
@@ -403,7 +417,7 @@ gadget_bind(struct wl_client *client, void *data, uint32_t version, uint32_t id)
      }
 
    res = wl_resource_create(client, &e_gadget_interface, version, id);
-   wl_resource_set_implementation(res, NULL, data, gadget_unbind);
+   wl_resource_set_implementation(res, &_gadget_interface, data, gadget_unbind);
    inst->gadget_resource = res;
    site = e_gadget_site_get(inst->box);
    e_gadget_send_gadget_orient(res, e_gadget_site_orient_get(site));