From 4ee2559eaaf2a94ac26c265517e9604a72729360 Mon Sep 17 00:00:00 2001 From: Stefano Karapetsas Date: Sun, 11 Dec 2011 13:11:15 +0100 Subject: moved from Mate-Extra --- mate-volume-control/src/gvc-applet.c | 310 +++++++++++++++++++++++++++++++++++ 1 file changed, 310 insertions(+) create mode 100644 mate-volume-control/src/gvc-applet.c (limited to 'mate-volume-control/src/gvc-applet.c') diff --git a/mate-volume-control/src/gvc-applet.c b/mate-volume-control/src/gvc-applet.c new file mode 100644 index 0000000..7562fbe --- /dev/null +++ b/mate-volume-control/src/gvc-applet.c @@ -0,0 +1,310 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- + * + * Copyright (C) 2008 Red Hat, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + */ + +#include "config.h" + +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +#include "gvc-applet.h" +#include "gvc-mixer-control.h" +#include "gvc-stream-status-icon.h" + +#define GVC_APPLET_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GVC_TYPE_APPLET, GvcAppletPrivate)) + +#define SCALE_SIZE 128 + +static const char *output_icon_names[] = { + "audio-volume-muted", + "audio-volume-low", + "audio-volume-medium", + "audio-volume-high", + NULL +}; + +static const char *input_icon_names[] = { + "audio-input-microphone-muted", + "audio-input-microphone-low", + "audio-input-microphone-medium", + "audio-input-microphone-high", + NULL +}; + +struct GvcAppletPrivate +{ + GvcStreamStatusIcon *input_status_icon; + GvcStreamStatusIcon *output_status_icon; + GvcMixerControl *control; +}; + +static void gvc_applet_class_init (GvcAppletClass *klass); +static void gvc_applet_init (GvcApplet *applet); +static void gvc_applet_finalize (GObject *object); + +G_DEFINE_TYPE (GvcApplet, gvc_applet, G_TYPE_OBJECT) + +static void +maybe_show_status_icons (GvcApplet *applet) +{ + gboolean show; + GvcMixerStream *stream; + GSList *source_outputs, *l; + + show = TRUE; + stream = gvc_mixer_control_get_default_sink (applet->priv->control); + if (stream == NULL) { + show = FALSE; + } + gtk_status_icon_set_visible (GTK_STATUS_ICON (applet->priv->output_status_icon), show); + + + show = FALSE; + stream = gvc_mixer_control_get_default_source (applet->priv->control); + source_outputs = gvc_mixer_control_get_source_outputs (applet->priv->control); + if (stream != NULL && source_outputs != NULL) { + /* Check that we're not trying to add the peak detector + * as an application doing recording */ + for (l = source_outputs ; l ; l = l->next) { + GvcMixerStream *s = l->data; + const char *id; + + id = gvc_mixer_stream_get_application_id (s); + if (id == NULL) { + show = TRUE; + break; + } + + if (!g_str_equal (id, "org.mate.VolumeControl") && + !g_str_equal (id, "org.PulseAudio.pavucontrol")) { + show = TRUE; + break; + } + } + } + gtk_status_icon_set_visible (GTK_STATUS_ICON (applet->priv->input_status_icon), show); + + g_slist_free (source_outputs); +} + +void +gvc_applet_start (GvcApplet *applet) +{ + g_return_if_fail (GVC_IS_APPLET (applet)); + + maybe_show_status_icons (applet); +} + +static void +gvc_applet_dispose (GObject *object) +{ + GvcApplet *applet = GVC_APPLET (object); + + if (applet->priv->control != NULL) { + g_object_unref (applet->priv->control); + applet->priv->control = NULL; + } + + G_OBJECT_CLASS (gvc_applet_parent_class)->dispose (object); +} + +static void +update_default_source (GvcApplet *applet) +{ + GvcMixerStream *stream; + + stream = gvc_mixer_control_get_default_source (applet->priv->control); + if (stream != NULL) { + gvc_stream_status_icon_set_mixer_stream (applet->priv->input_status_icon, + stream); + maybe_show_status_icons(applet); + } else { + g_debug ("Unable to get default source, or no source available"); + } +} + +static void +update_default_sink (GvcApplet *applet) +{ + GvcMixerStream *stream; + + stream = gvc_mixer_control_get_default_sink (applet->priv->control); + if (stream != NULL) { + gvc_stream_status_icon_set_mixer_stream (applet->priv->output_status_icon, + stream); + maybe_show_status_icons(applet); + } else { + g_warning ("Unable to get default sink"); + } +} + +static void +on_control_ready (GvcMixerControl *control, + GvcApplet *applet) +{ + update_default_sink (applet); + update_default_source (applet); +} + +static void +on_control_connecting (GvcMixerControl *control, + GvcApplet *applet) +{ + g_debug ("Connecting.."); +} + +static void +on_control_default_sink_changed (GvcMixerControl *control, + guint id, + GvcApplet *applet) +{ + update_default_sink (applet); +} + +static void +on_control_default_source_changed (GvcMixerControl *control, + guint id, + GvcApplet *applet) +{ + update_default_source (applet); +} + +static void +on_control_stream_removed (GvcMixerControl *control, + guint id, + GvcApplet *applet) +{ + maybe_show_status_icons (applet); +} + +static void +on_control_stream_added (GvcMixerControl *control, + guint id, + GvcApplet *applet) +{ + maybe_show_status_icons (applet); +} + +static GObject * +gvc_applet_constructor (GType type, + guint n_construct_properties, + GObjectConstructParam *construct_params) +{ + GObject *object; + GvcApplet *self; + + object = G_OBJECT_CLASS (gvc_applet_parent_class)->constructor (type, n_construct_properties, construct_params); + + self = GVC_APPLET (object); + + self->priv->control = gvc_mixer_control_new ("MATE Volume Control Applet"); + g_signal_connect (self->priv->control, + "ready", + G_CALLBACK (on_control_ready), + self); + g_signal_connect (self->priv->control, + "connecting", + G_CALLBACK (on_control_connecting), + self); + g_signal_connect (self->priv->control, + "default-sink-changed", + G_CALLBACK (on_control_default_sink_changed), + self); + g_signal_connect (self->priv->control, + "default-source-changed", + G_CALLBACK (on_control_default_source_changed), + self); + g_signal_connect (self->priv->control, + "stream-added", + G_CALLBACK (on_control_stream_added), + self); + g_signal_connect (self->priv->control, + "stream-removed", + G_CALLBACK (on_control_stream_removed), + self); + + gvc_mixer_control_open (self->priv->control); + + return object; +} + +static void +gvc_applet_class_init (GvcAppletClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + object_class->finalize = gvc_applet_finalize; + object_class->dispose = gvc_applet_dispose; + object_class->constructor = gvc_applet_constructor; + + g_type_class_add_private (klass, sizeof (GvcAppletPrivate)); +} + +static void +gvc_applet_init (GvcApplet *applet) +{ + applet->priv = GVC_APPLET_GET_PRIVATE (applet); + + applet->priv->output_status_icon = gvc_stream_status_icon_new (NULL, + output_icon_names); + gvc_stream_status_icon_set_display_name (applet->priv->output_status_icon, + _("Output")); + gtk_status_icon_set_title (GTK_STATUS_ICON (applet->priv->output_status_icon), + _("Sound Output Volume")); + applet->priv->input_status_icon = gvc_stream_status_icon_new (NULL, + input_icon_names); + gvc_stream_status_icon_set_display_name (applet->priv->input_status_icon, + _("Input")); + gtk_status_icon_set_title (GTK_STATUS_ICON (applet->priv->input_status_icon), + _("Microphone Volume")); +} + +static void +gvc_applet_finalize (GObject *object) +{ + GvcApplet *applet; + + g_return_if_fail (object != NULL); + g_return_if_fail (GVC_IS_APPLET (object)); + + applet = GVC_APPLET (object); + + g_return_if_fail (applet->priv != NULL); + + + G_OBJECT_CLASS (gvc_applet_parent_class)->finalize (object); +} + +GvcApplet * +gvc_applet_new (void) +{ + GObject *applet; + + applet = g_object_new (GVC_TYPE_APPLET, NULL); + + return GVC_APPLET (applet); +} -- cgit v1.2.1