reload plugin: port to libpeas

mostly adapted from:
https://git.gnome.org/browse/eog/commit/?id=cf39e40b422dad061184ac67028661bd4dcb0106
https://git.gnome.org/browse/eog/commit/?id=8b0acfddc52c220393770a9895b6b56cab7821fd

2 files changed, 108 insertions, 50 deletions

diff --git a/plugins/reload/eom-reload-plugin.c b/plugins/reload/eom-reload-plugin.c
index d404f02..62d2580 100644
--- a/plugins/reload/eom-reload-plugin.c
+++ b/plugins/reload/eom-reload-plugin.c
@@ -6,18 +6,24 @@
 
 #include <gmodule.h>
 #include <glib/gi18n-lib.h>
+#include <libpeas/peas-activatable.h>
 
 #include <eom-debug.h>
 #include <eom-window.h>
 
-#define WINDOW_DATA_KEY "EomReloadWindowData"
+static void peas_activatable_iface_init (PeasActivatableInterface *iface);
 
-EOM_PLUGIN_REGISTER_TYPE (EomReloadPlugin, eom_reload_plugin)
+G_DEFINE_DYNAMIC_TYPE_EXTENDED (EomReloadPlugin,
+                                eom_reload_plugin,
+                                PEAS_TYPE_EXTENSION_BASE,
+                                0,
+                                G_IMPLEMENT_INTERFACE_DYNAMIC (PEAS_TYPE_ACTIVATABLE,
+                                                               peas_activatable_iface_init))
 
-typedef struct {
-	GtkActionGroup* ui_action_group;
-	guint ui_id;
-} WindowData;
+enum {
+	PROP_0,
+	PROP_OBJECT
+};
 
 static void
 reload_cb (GtkAction *action,
@@ -39,15 +45,43 @@ static const GtkActionEntry action_entries[] = {
 };
 
 static void
-free_window_data (WindowData *data)
+eom_reload_plugin_set_property (GObject      *object,
+                                guint         prop_id,
+                                const GValue *value,
+                                GParamSpec   *pspec)
 {
-	g_return_if_fail (data != NULL);
-
-	eom_debug (DEBUG_PLUGINS);
-
-	g_object_unref (data->ui_action_group);
+	EomReloadPlugin *plugin = EOM_RELOAD_PLUGIN (object);
+
+	switch (prop_id)
+	{
+	case PROP_OBJECT:
+		plugin->window = GTK_WIDGET (g_value_dup_object (value));
+		break;
+
+	default:
+		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+		break;
+	}
+}
 
-	g_free (data);
+static void
+eom_reload_plugin_get_property (GObject    *object,
+                                guint       prop_id,
+                                GValue     *value,
+                                GParamSpec *pspec)
+{
+	EomReloadPlugin *plugin = EOM_RELOAD_PLUGIN (object);
+
+	switch (prop_id)
+	{
+	case PROP_OBJECT:
+		g_value_set_object (value, plugin->window);
+		break;
+
+	default:
+		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+		break;
+	}
 }
 
 static void
@@ -57,70 +91,88 @@ eom_reload_plugin_init (EomReloadPlugin *plugin)
 }
 
 static void
-eom_reload_plugin_finalize (GObject *object)
+eom_reload_plugin_dispose (GObject *object)
 {
-	eom_debug_message (DEBUG_PLUGINS, "EomReloadPlugin finalizing");
+	EomReloadPlugin *plugin = EOM_RELOAD_PLUGIN (object);
+
+	eom_debug_message (DEBUG_PLUGINS, "EomReloadPlugin disposing");
+
+	if (plugin->window != NULL) {
+		g_object_unref (plugin->window);
+		plugin->window = NULL;
+	}
 
-	G_OBJECT_CLASS (eom_reload_plugin_parent_class)->finalize (object);
+	G_OBJECT_CLASS (eom_reload_plugin_parent_class)->dispose (object);
 }
 
 static void
-impl_activate (EomPlugin *plugin,
-               EomWindow *window)
+eom_reload_plugin_activate (PeasActivatable *activatable)
 {
+	EomReloadPlugin *plugin = EOM_RELOAD_PLUGIN (activatable);
 	GtkUIManager *manager;
-	WindowData *data;
 
 	eom_debug (DEBUG_PLUGINS);
 
-	data = g_new (WindowData, 1);
+	manager = eom_window_get_ui_manager (EOM_WINDOW (plugin->window));
 
-	manager = eom_window_get_ui_manager (window);
+	plugin->ui_action_group = gtk_action_group_new ("EomReloadPluginActions");
 
-	data->ui_action_group = gtk_action_group_new ("EomReloadPluginActions");
+	gtk_action_group_set_translation_domain (plugin->ui_action_group, GETTEXT_PACKAGE);
 
-	gtk_action_group_set_translation_domain (data->ui_action_group, GETTEXT_PACKAGE);
+	gtk_action_group_add_actions (plugin->ui_action_group, action_entries,
+	                              G_N_ELEMENTS (action_entries), plugin->window);
 
-	gtk_action_group_add_actions (data->ui_action_group, action_entries,
-	                              G_N_ELEMENTS (action_entries), window);
+	gtk_ui_manager_insert_action_group (manager, plugin->ui_action_group, -1);
 
-	gtk_ui_manager_insert_action_group (manager, data->ui_action_group, -1);
-
-	g_object_set_data_full (G_OBJECT (window), WINDOW_DATA_KEY, data, (GDestroyNotify) free_window_data);
-
-	data->ui_id = gtk_ui_manager_add_ui_from_string (manager, ui_definition, -1, NULL);
-	g_warn_if_fail (data->ui_id != 0);
+	plugin->ui_id = gtk_ui_manager_add_ui_from_string (manager, ui_definition, -1, NULL);
+	g_warn_if_fail (plugin->ui_id != 0);
 }
 
 static void
-impl_deactivate (EomPlugin *plugin,
-                 EomWindow *window)
+eom_reload_plugin_deactivate (PeasActivatable *activatable)
 {
+	EomReloadPlugin *plugin = EOM_RELOAD_PLUGIN (activatable);
 	GtkUIManager *manager;
-	WindowData *data;
 
 	eom_debug (DEBUG_PLUGINS);
 
-	manager = eom_window_get_ui_manager (window);
-
-	data = (WindowData *) g_object_get_data (G_OBJECT (window), WINDOW_DATA_KEY);
-	g_return_if_fail (data != NULL);
+	manager = eom_window_get_ui_manager (EOM_WINDOW (plugin->window));
 
-	gtk_ui_manager_remove_ui (manager, data->ui_id);
+	gtk_ui_manager_remove_ui (manager, plugin->ui_id);
 
-	gtk_ui_manager_remove_action_group (manager, data->ui_action_group);
-
-	g_object_set_data (G_OBJECT (window), WINDOW_DATA_KEY, NULL);
+	gtk_ui_manager_remove_action_group (manager, plugin->ui_action_group);
 }
 
 static void
 eom_reload_plugin_class_init (EomReloadPluginClass *klass)
 {
 	GObjectClass *object_class = G_OBJECT_CLASS (klass);
-	EomPluginClass *plugin_class = EOM_PLUGIN_CLASS (klass);
 
-	object_class->finalize = eom_reload_plugin_finalize;
+	object_class->dispose = eom_reload_plugin_dispose;
+	object_class->set_property = eom_reload_plugin_set_property;
+	object_class->get_property = eom_reload_plugin_get_property;
+
+	g_object_class_override_property (object_class, PROP_OBJECT, "object");
+}
+
+static void
+eom_reload_plugin_class_finalize (EomReloadPluginClass *klass)
+{
+	/* dummy function - used by G_DEFINE_DYNAMIC_TYPE_EXTENDED */
+}
+
+static void
+peas_activatable_iface_init (PeasActivatableInterface *iface)
+{
+	iface->activate = eom_reload_plugin_activate;
+	iface->deactivate = eom_reload_plugin_deactivate;
+}
 
-	plugin_class->activate = impl_activate;
-	plugin_class->deactivate = impl_deactivate;
+G_MODULE_EXPORT void
+peas_register_types (PeasObjectModule *module)
+{
+	eom_reload_plugin_register_type (G_TYPE_MODULE (module));
+	peas_object_module_register_extension_type (module,
+	                                            PEAS_TYPE_ACTIVATABLE,
+	                                            EOM_TYPE_RELOAD_PLUGIN);
 }
diff --git a/plugins/reload/eom-reload-plugin.h b/plugins/reload/eom-reload-plugin.h
index 5f285d2..f3830e1 100644
--- a/plugins/reload/eom-reload-plugin.h
+++ b/plugins/reload/eom-reload-plugin.h
@@ -3,7 +3,9 @@
 
 #include <glib.h>
 #include <glib-object.h>
-#include <eom-plugin.h>
+#include <gtk/gtk.h>
+#include <libpeas/peas-extension-base.h>
+#include <libpeas/peas-object-module.h>
 
 G_BEGIN_DECLS
 
@@ -32,7 +34,11 @@ typedef struct _EomReloadPluginPrivate EomReloadPluginPrivate;
 typedef struct _EomReloadPlugin EomReloadPlugin;
 
 struct _EomReloadPlugin {
-	EomPlugin parent_instance;
+	PeasExtensionBase parent_instance;
+
+	GtkWidget *window;
+	GtkActionGroup *ui_action_group;
+	guint ui_id;
 };
 
 /*
@@ -41,7 +47,7 @@ struct _EomReloadPlugin {
 typedef struct _EomReloadPluginClass EomReloadPluginClass;
 
 struct _EomReloadPluginClass {
-	EomPluginClass parent_class;
+	PeasExtensionBaseClass parent_class;
 };
 
 /*
@@ -50,7 +56,7 @@ struct _EomReloadPluginClass {
 GType eom_reload_plugin_get_type (void) G_GNUC_CONST;
 
 /* All the plugins must implement this function */
-G_MODULE_EXPORT GType register_eom_plugin (GTypeModule* module);
+G_MODULE_EXPORT void peas_register_types (PeasObjectModule *module);
 
 G_END_DECLS