view: Move weather API to interface GcalView

This allows us to get rid of similar code.
2017-12-11 22:09:59 -02:00
parent d13473d3bc
commit d51d1ea2cd
8 changed files with 185 additions and 195 deletions
@@ -56,6 +56,18 @@ gcal_view_default_init (GcalViewInterface *iface)
                                                            GCAL_TYPE_MANAGER,
                                                            G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));

+  /**
+   * GcalView::weather-service:
+   *
+   * The #GcalWeatherService of the view.
+   */
+  g_object_interface_install_property (iface,
+                                       g_param_spec_object ("weather-service",
+                                                            "The weather service",
+                                                            "The weather service of the view",
+                                                            GCAL_TYPE_WEATHER_SERVICE,
+                                                            G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+
  /**
   * GcalView::create-event:
   *
@@ -125,6 +137,87 @@ gcal_view_get_manager (GcalView *self)
  return manager;
 }

+/**
+ * gcal_view_get_weather_service:
+ * @self: The #GcalView instance.
+ * @service: (nullable): The weather service to query.
+ *
+ * Sets the service to query for weather reports.
+ */
+GcalWeatherService*
+gcal_view_get_weather_service (GcalView *self)
+{
+  GcalWeatherService *service; /* unowned */
+
+  g_return_val_if_fail (GCAL_IS_VIEW (self), NULL);
+
+  g_object_get (self, "weather-service", &service, NULL);
+  g_object_unref (service);
+
+  return service;
+}
+
+/**
+ * gcal_view_set_weather_service:
+ * @self: The #GcalView instance.
+ *
+ * Returns: (transfer none): The internal weather service object.
+ */
+void
+gcal_view_set_weather_service (GcalView           *self,
+                               GcalWeatherService *service)
+{
+  g_return_if_fail (GCAL_IS_VIEW (self));
+  g_return_if_fail (service == NULL || GCAL_IS_WEATHER_SERVICE (service));
+
+  g_object_set (self, "weather-service", &service, NULL);
+}
+
+/**
+ * gcal_view_set_weather_service_impl_helper:
+ * @old_service: The views weather service field.
+ * @new_service: (nullable): The new weather service to use.
+ * @update_func: The function to call after updating weather.
+ * @weather_changed_cb: The views "weather-changed" handler
+ * @data: The data to pass to @update_func and @weather_changed_cb
+ *
+ * Internal implementation helper for
+ * gcal_view_set_weather_service().
+ */
+void
+gcal_view_set_weather_service_impl_helper (GcalWeatherService  **old_service,
+                                           GcalWeatherService   *new_service,
+                                           GcalWeatherUpdateFunc update_func,
+                                           GCallback             weather_changed_cb,
+                                           GtkWidget            *data)
+{
+  g_return_if_fail (old_service != NULL);
+  g_return_if_fail (*old_service == NULL || GCAL_IS_WEATHER_SERVICE (*old_service));
+  g_return_if_fail (new_service == NULL || GCAL_IS_WEATHER_SERVICE (new_service));
+  g_return_if_fail (update_func != NULL);
+  g_return_if_fail (weather_changed_cb != NULL);
+  g_return_if_fail (GTK_IS_WIDGET (data));
+
+  if (*old_service != new_service)
+    {
+      if (*old_service != NULL)
+        g_signal_handlers_disconnect_by_func (*old_service,
+                                              (GCallback) weather_changed_cb,
+                                              data);
+
+      g_set_object (old_service, new_service);
+
+      if (*old_service != NULL)
+        g_signal_connect (*old_service,
+                          "weather-changed",
+                          (GCallback) weather_changed_cb,
+                          data);
+
+      update_func (data);
+      g_object_notify (G_OBJECT (data), "weather-service");
+    }
+}
+
 /**
 * gcal_view_get_date:
 * @view: a #GcalView