moved from Mate-Extra

1 files changed, 310 insertions, 0 deletions

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 <stdlib.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+
+#include <glib.h>
+#include <glib/gi18n.h>
+#include <gtk/gtk.h>
+
+#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);
+}