Add StatusNotifier support to the Notification Area applet

The StatusNotifier part of the implementation is based off
gnome-panel's status-notifier applet.

1 files changed, 105 insertions, 0 deletions

diff --git a/applets/notification_area/na-host.c b/applets/notification_area/na-host.c
new file mode 100644
index 00000000..969a6c70
--- /dev/null
+++ b/applets/notification_area/na-host.c
@@ -0,0 +1,105 @@
+/*
+ * Copyright (C) 2016 Alberts Muktupāvels
+ * Copyright (C) 2017 Colomban Wendling <[email protected]>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include "na-host.h"
+#include "na-item.h"
+
+enum
+{
+  SIGNAL_ITEM_ADDED,
+  SIGNAL_ITEM_REMOVED,
+
+  LAST_SIGNAL
+};
+
+static guint signals[LAST_SIGNAL] = { 0 };
+
+G_DEFINE_INTERFACE (NaHost, na_host, G_TYPE_OBJECT)
+
+static void
+na_host_default_init (NaHostInterface *iface)
+{
+  signals[SIGNAL_ITEM_ADDED] =
+    g_signal_new ("item-added", G_TYPE_FROM_INTERFACE (iface),
+                  G_SIGNAL_RUN_LAST, 0, NULL, NULL, NULL,
+                  G_TYPE_NONE, 1, NA_TYPE_ITEM);
+
+  signals[SIGNAL_ITEM_REMOVED] =
+    g_signal_new ("item-removed", G_TYPE_FROM_INTERFACE (iface),
+                  G_SIGNAL_RUN_LAST, 0, NULL, NULL, NULL,
+                  G_TYPE_NONE, 1, NA_TYPE_ITEM);
+
+  g_object_interface_install_property (iface,
+    g_param_spec_int ("icon-padding",
+                      "Padding around icons",
+                      "Padding that should be put around icons, in pixels",
+                      0, G_MAXINT, 0,
+                      G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+
+  g_object_interface_install_property (iface,
+    g_param_spec_int ("icon-size",
+                      "Icon size",
+                      "If non-zero, hardcodes the size of the icons in pixels",
+                      0, G_MAXINT, 0,
+                      G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+
+  iface->style_updated = NULL;
+}
+
+void
+na_host_force_redraw (NaHost *host)
+{
+  NaHostInterface *iface;
+
+  g_return_if_fail (NA_IS_HOST (host));
+
+  iface = NA_HOST_GET_IFACE (host);
+
+  if (iface->force_redraw != NULL)
+    iface->force_redraw (host);
+}
+
+void
+na_host_style_updated (NaHost          *host,
+                       GtkStyleContext *context)
+{
+  NaHostInterface *iface;
+
+  g_return_if_fail (NA_IS_HOST (host));
+
+  iface = NA_HOST_GET_IFACE (host);
+
+  if (iface->style_updated != NULL)
+    iface->style_updated (host, context);
+}
+
+void
+na_host_emit_item_added (NaHost *host,
+                         NaItem *item)
+{
+  g_signal_emit (host, signals[SIGNAL_ITEM_ADDED], 0, item);
+}
+
+void
+na_host_emit_item_removed (NaHost *host,
+                           NaItem *item)
+{
+  g_signal_emit (host, signals[SIGNAL_ITEM_REMOVED], 0, item);
+}