311 lines
9.8 KiB
C
311 lines
9.8 KiB
C
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
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*
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* Copyright (C) 2008 Red Hat, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <string.h>
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#include <errno.h>
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#include <glib.h>
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#include <glib/gi18n.h>
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#include <gtk/gtk.h>
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#include <pulse/pulseaudio.h>
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#include "gvc-applet.h"
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#include "gvc-mixer-control.h"
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#include "gvc-stream-status-icon.h"
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#define GVC_APPLET_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GVC_TYPE_APPLET, GvcAppletPrivate))
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#define SCALE_SIZE 128
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static const char *output_icon_names[] = {
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"audio-volume-muted-symbolic",
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"audio-volume-low-symbolic",
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"audio-volume-medium-symbolic",
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"audio-volume-high-symbolic",
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NULL
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};
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static const char *input_icon_names[] = {
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"audio-input-microphone-muted-symbolic",
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"audio-input-microphone-low-symbolic",
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"audio-input-microphone-medium-symbolic",
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"audio-input-microphone-high-symbolic",
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NULL
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};
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struct GvcAppletPrivate
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{
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GvcStreamStatusIcon *input_status_icon;
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GvcStreamStatusIcon *output_status_icon;
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GvcMixerControl *control;
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};
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static void gvc_applet_class_init (GvcAppletClass *klass);
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static void gvc_applet_init (GvcApplet *applet);
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static void gvc_applet_finalize (GObject *object);
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G_DEFINE_TYPE (GvcApplet, gvc_applet, G_TYPE_OBJECT)
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static void
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maybe_show_status_icons (GvcApplet *applet)
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{
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gboolean show;
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GvcMixerStream *stream;
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GSList *source_outputs, *l;
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show = TRUE;
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stream = gvc_mixer_control_get_default_sink (applet->priv->control);
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if (stream == NULL) {
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show = FALSE;
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}
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gtk_status_icon_set_visible (GTK_STATUS_ICON (applet->priv->output_status_icon), show);
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show = FALSE;
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stream = gvc_mixer_control_get_default_source (applet->priv->control);
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source_outputs = gvc_mixer_control_get_source_outputs (applet->priv->control);
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if (stream != NULL && source_outputs != NULL) {
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/* Check that we're not trying to add the peak detector
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* as an application doing recording */
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for (l = source_outputs ; l ; l = l->next) {
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GvcMixerStream *s = l->data;
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const char *id;
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id = gvc_mixer_stream_get_application_id (s);
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if (id == NULL) {
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show = TRUE;
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break;
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}
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if (!g_str_equal (id, "org.gnome.VolumeControl") &&
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!g_str_equal (id, "org.PulseAudio.pavucontrol")) {
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show = TRUE;
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break;
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}
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}
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}
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gtk_status_icon_set_visible (GTK_STATUS_ICON (applet->priv->input_status_icon), show);
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g_slist_free (source_outputs);
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}
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void
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gvc_applet_start (GvcApplet *applet)
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{
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g_return_if_fail (GVC_IS_APPLET (applet));
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maybe_show_status_icons (applet);
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}
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static void
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gvc_applet_dispose (GObject *object)
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{
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GvcApplet *applet = GVC_APPLET (object);
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if (applet->priv->control != NULL) {
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g_object_unref (applet->priv->control);
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applet->priv->control = NULL;
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}
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G_OBJECT_CLASS (gvc_applet_parent_class)->dispose (object);
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}
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static void
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update_default_source (GvcApplet *applet)
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{
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GvcMixerStream *stream;
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stream = gvc_mixer_control_get_default_source (applet->priv->control);
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if (stream != NULL) {
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gvc_stream_status_icon_set_mixer_stream (applet->priv->input_status_icon,
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stream);
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maybe_show_status_icons(applet);
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} else {
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g_debug ("Unable to get default source, or no source available");
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}
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}
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static void
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update_default_sink (GvcApplet *applet)
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{
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GvcMixerStream *stream;
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stream = gvc_mixer_control_get_default_sink (applet->priv->control);
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if (stream != NULL) {
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gvc_stream_status_icon_set_mixer_stream (applet->priv->output_status_icon,
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stream);
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maybe_show_status_icons(applet);
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} else {
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g_warning ("Unable to get default sink");
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}
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}
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static void
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on_control_ready (GvcMixerControl *control,
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GvcApplet *applet)
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{
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update_default_sink (applet);
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update_default_source (applet);
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}
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static void
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on_control_connecting (GvcMixerControl *control,
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GvcApplet *applet)
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{
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g_debug ("Connecting..");
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}
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static void
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on_control_default_sink_changed (GvcMixerControl *control,
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guint id,
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GvcApplet *applet)
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{
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update_default_sink (applet);
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}
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static void
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on_control_default_source_changed (GvcMixerControl *control,
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guint id,
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GvcApplet *applet)
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{
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update_default_source (applet);
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}
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static void
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on_control_stream_removed (GvcMixerControl *control,
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guint id,
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GvcApplet *applet)
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{
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maybe_show_status_icons (applet);
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}
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static void
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on_control_stream_added (GvcMixerControl *control,
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guint id,
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GvcApplet *applet)
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{
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maybe_show_status_icons (applet);
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}
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static GObject *
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gvc_applet_constructor (GType type,
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guint n_construct_properties,
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GObjectConstructParam *construct_params)
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{
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GObject *object;
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GvcApplet *self;
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object = G_OBJECT_CLASS (gvc_applet_parent_class)->constructor (type, n_construct_properties, construct_params);
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self = GVC_APPLET (object);
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self->priv->control = gvc_mixer_control_new ("GNOME Volume Control Applet");
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g_signal_connect (self->priv->control,
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"ready",
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G_CALLBACK (on_control_ready),
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self);
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g_signal_connect (self->priv->control,
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"connecting",
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G_CALLBACK (on_control_connecting),
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self);
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g_signal_connect (self->priv->control,
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"default-sink-changed",
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G_CALLBACK (on_control_default_sink_changed),
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self);
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g_signal_connect (self->priv->control,
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"default-source-changed",
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G_CALLBACK (on_control_default_source_changed),
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self);
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g_signal_connect (self->priv->control,
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"stream-added",
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G_CALLBACK (on_control_stream_added),
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self);
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g_signal_connect (self->priv->control,
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"stream-removed",
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G_CALLBACK (on_control_stream_removed),
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self);
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gvc_mixer_control_open (self->priv->control);
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return object;
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}
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static void
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gvc_applet_class_init (GvcAppletClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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object_class->finalize = gvc_applet_finalize;
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object_class->dispose = gvc_applet_dispose;
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object_class->constructor = gvc_applet_constructor;
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g_type_class_add_private (klass, sizeof (GvcAppletPrivate));
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}
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static void
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gvc_applet_init (GvcApplet *applet)
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{
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applet->priv = GVC_APPLET_GET_PRIVATE (applet);
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applet->priv->output_status_icon = gvc_stream_status_icon_new (NULL,
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output_icon_names);
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gvc_stream_status_icon_set_display_name (applet->priv->output_status_icon,
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_("Output"));
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gtk_status_icon_set_title (GTK_STATUS_ICON (applet->priv->output_status_icon),
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_("Sound Output Volume"));
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applet->priv->input_status_icon = gvc_stream_status_icon_new (NULL,
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input_icon_names);
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gvc_stream_status_icon_set_display_name (applet->priv->input_status_icon,
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_("Input"));
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gtk_status_icon_set_title (GTK_STATUS_ICON (applet->priv->input_status_icon),
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_("Microphone Volume"));
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}
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static void
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gvc_applet_finalize (GObject *object)
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{
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GvcApplet *applet;
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g_return_if_fail (object != NULL);
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g_return_if_fail (GVC_IS_APPLET (object));
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applet = GVC_APPLET (object);
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g_return_if_fail (applet->priv != NULL);
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G_OBJECT_CLASS (gvc_applet_parent_class)->finalize (object);
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}
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GvcApplet *
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gvc_applet_new (void)
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{
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GObject *applet;
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applet = g_object_new (GVC_TYPE_APPLET, NULL);
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return GVC_APPLET (applet);
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}
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