WIP: Support libpeas based plugin system

meson.build

@@ -85,6 +85,11 @@ libadwaita_dep = dependency('libadwaita-1',
   required: false,
 )
 
+# Optional
+peas_dep = dependency('libpeas-2',
+  required: false,
+)
+
 cc = meson.get_compiler('c')
 libm = cc.find_library('m', required: false)
 
@@ -147,6 +152,9 @@ summary('vapi', build_vapi ? 'Yes' : 'No', section: 'Build')
 summary('doc', build_doc  ? 'Yes' : 'No', section: 'Build')
 
 if build_clapper
+  foreach name : clapper_possible_functionalities
+    summary(name, clapper_available_functionalities.contains(name)  ? 'Yes' : 'No', section: 'Functionalities')
+  endforeach
   foreach name : clapper_possible_features
     summary(name, clapper_available_features.contains(name) ? 'Yes' : 'No', section: 'Features')
   endforeach

meson_options.txt

@@ -35,6 +35,13 @@ option('doc',
   description: 'Build documentation'
 )
 
+# Functionalities
+option('enhancers-loader',
+  type: 'feature',
+  value: 'enabled',
+  description: 'Ability to load libpeas based plugins that enhance functionalities'
+)
+
 # Features
 option('discoverer',
   type: 'feature',

src/lib/clapper/clapper-enhancers-loader-private.h

@@ -0,0 +1,42 @@
+/* Clapper Playback Library
+ * Copyright (C) 2024 Rafał Dzięgiel <[email protected]>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#pragma once
+
+#include <glib.h>
+#include <glib-object.h>
+
+G_BEGIN_DECLS
+
+G_GNUC_INTERNAL
+void clapper_enhancers_loader_initialize (void);
+
+G_GNUC_INTERNAL
+gboolean clapper_enhancers_loader_has_enhancers (GType iface_type);
+
+G_GNUC_INTERNAL
+gchar ** clapper_enhancers_loader_get_schemes (GType iface_type);
+
+G_GNUC_INTERNAL
+gboolean clapper_enhancers_loader_check (GType iface_type, const gchar *scheme, const gchar *host, const gchar **name);
+
+G_GNUC_INTERNAL
+GObject * clapper_enhancers_loader_create_enhancer_for_uri (GType iface_type, GUri *uri);
+
+G_END_DECLS