initial

1 files changed, 181 insertions, 0 deletions

diff --git a/mixer/load.c b/mixer/load.c
new file mode 100644
index 00000000..4c2c3fb0
--- /dev/null
+++ b/mixer/load.c
@@ -0,0 +1,181 @@
+/* MATE Volume Applet
+ * Copyright (C) 2004 Ronald Bultje <[email protected]>
+ *
+ * load.c: applet boilerplate code
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <string.h>
+
+#include <glib.h>
+#include <gst/audio/mixerutils.h>
+
+#include "applet.h"
+
+typedef struct _FilterHelper {
+   GList *names_list;
+   gint count;
+} FilterHelper;
+
+
+static gboolean
+_filter_func (GstMixer *mixer, gpointer data) {
+   GstElementFactory *factory;
+   const gchar *longname;
+   FilterHelper *helper = (FilterHelper *)data;
+   gchar *device = NULL;
+   gchar *name, *original;
+
+   /* fetch name */
+   if (g_object_class_find_property (G_OBJECT_GET_CLASS (G_OBJECT (mixer)), "device-name")) {
+      g_object_get (mixer, "device-name", &device, NULL);
+      GST_DEBUG ("device-name: %s", GST_STR_NULL (device));
+   } else {
+      GST_DEBUG ("no 'device-name' property: device name unknown");
+   }
+
+   factory = gst_element_get_factory (GST_ELEMENT (mixer));
+   longname = gst_element_factory_get_longname (factory);
+
+   if (device) {
+      GList *list;
+      gint duplicates = 0;
+
+      name = g_strdup_printf ("%s (%s)", device, longname);
+      g_free (device);
+
+      /* Devices are sorted by names, we must ensure that the names are unique */
+      for (list = helper->names_list; list != NULL; list = list->next) {
+         if (strcmp ((const gchar *) list->data, name) == 0)
+            duplicates++;
+      }
+
+      if (duplicates > 0) {
+         /*
+          * There is a duplicate name, so append an index to make the name
+          * unique within the list
+          */
+          original = name;
+          name = g_strdup_printf("%s #%d", name, duplicates + 1);
+      } else {
+         original = g_strdup(name);
+      }
+   } else {
+      gchar *title;
+
+      (helper->count)++;
+
+      title = g_strdup_printf (_("Unknown Volume Control %d"), helper->count);
+      name = g_strdup_printf ("%s (%s)", title, longname);
+      original = g_strdup(name);
+      g_free (title);
+   }
+
+   helper->names_list = g_list_prepend (helper->names_list, name);
+
+   GST_DEBUG ("Adding '%s' to the list of available mixers", name);
+
+   g_object_set_data_full (G_OBJECT (mixer),
+                           "mate-volume-applet-name",
+                           name,
+                           (GDestroyNotify) g_free);
+
+   /* Is this even used anywhere? */
+   g_object_set_data_full (G_OBJECT(mixer),
+                           "mate-volume-applet-origname",
+                           original,
+                           (GDestroyNotify) g_free);
+
+   name = NULL; /* no need to free, passed ownership to object data */
+   original = NULL; /* no need to free, passed ownership to object data */
+
+   gst_element_set_state (GST_ELEMENT (mixer), GST_STATE_NULL);
+
+   return TRUE;
+}
+
+GList *
+mate_volume_applet_create_mixer_collection (void)
+{
+   FilterHelper helper;
+   GList *mixer_list;
+
+   helper.count = 0;
+   helper.names_list = NULL;
+
+   mixer_list = gst_audio_default_registry_mixer_filter(_filter_func, FALSE, &helper);
+   g_list_free (helper.names_list);
+
+   return mixer_list;
+}
+
+static gboolean
+mate_volume_applet_toplevel_configure_handler (GtkWidget *widget,
+						GdkEventConfigure *event,
+						gpointer data)
+{
+  GList *elements;
+  static gboolean init = FALSE;
+
+  g_signal_handlers_disconnect_by_func (widget,
+				        mate_volume_applet_toplevel_configure_handler,
+				        data);
+
+  if (!init) {
+    gst_init (NULL, NULL);
+    init = TRUE;
+  }
+
+  elements = mate_volume_applet_create_mixer_collection ();
+  mate_volume_applet_setup (MATE_VOLUME_APPLET (data), elements);
+
+  return FALSE;
+}
+
+static gboolean
+mate_volume_applet_factory (MatePanelApplet *applet,
+			     const gchar *iid,
+			     gpointer     data)
+{
+  /* we delay applet specific initialization until the applet 
+   * is fully registered with the panel since gst_init() can block
+   * for longer than the service activation timeouts
+   *
+   * We use configure-event as a hook because after the applet is 
+   * registered with b-a-s and the panel, the panel sets size hints
+   * on the applet and gives it an initial size.
+   *
+   * http://bugzilla.mate.org/show_bug.cgi?id=385305
+   */
+  g_signal_connect (gtk_widget_get_toplevel (GTK_WIDGET (applet)),
+		    "configure-event",
+		    G_CALLBACK (mate_volume_applet_toplevel_configure_handler),
+		    applet);
+  return TRUE;
+}
+
+MATE_PANEL_APPLET_OUT_PROCESS_FACTORY (
+  "MixerAppletFactory",
+  MATE_TYPE_VOLUME_APPLET,
+  "mixer_applet2",
+  mate_volume_applet_factory,
+  NULL
+)