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/* GNOME Volume Applet
* Copyright (C) 2004 Ronald Bultje <rbultje@ronald.bitfreak.net>
*
* 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),
"gnome-volume-applet-name",
name,
(GDestroyNotify) g_free);
/* Is this even used anywhere? */
g_object_set_data_full (G_OBJECT(mixer),
"gnome-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;
}
static GList *
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
gnome_volume_applet_toplevel_configure_handler (GtkWidget *widget,
GdkEventConfigure *event,
gpointer data)
{
GList *elements;
static gboolean init = FALSE;
g_signal_handlers_disconnect_by_func (widget,
gnome_volume_applet_toplevel_configure_handler,
data);
if (!init) {
gst_init (NULL, NULL);
init = TRUE;
}
elements = create_mixer_collection ();
gnome_volume_applet_setup (GNOME_VOLUME_APPLET (data), elements);
return FALSE;
}
static gboolean
gnome_volume_applet_factory (PanelApplet *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.gnome.org/show_bug.cgi?id=385305
*/
g_signal_connect (gtk_widget_get_toplevel (GTK_WIDGET (applet)),
"configure-event",
G_CALLBACK (gnome_volume_applet_toplevel_configure_handler),
applet);
return TRUE;
}
PANEL_APPLET_BONOBO_FACTORY (
"OAFIID:GNOME_MixerApplet_Factory",
GNOME_TYPE_VOLUME_APPLET,
"mixer_applet2",
"0",
gnome_volume_applet_factory,
NULL
)
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