1 files changed, 498 insertions, 0 deletions
diff --git a/mate-volume-control/src/gvc-mixer-card.c b/mate-volume-control/src/gvc-mixer-card.c
new file mode 100644
index 0000000..dc4ccca
--- /dev/null
+++ b/mate-volume-control/src/gvc-mixer-card.c
@@ -0,0 +1,498 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2008 William Jon McCann
+ * Copyright (C) 2009 Bastien Nocera
+ *
+ * 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 <unistd.h>
+
+#include <glib.h>
+#include <glib/gi18n.h>
+
+#include <pulse/pulseaudio.h>
+
+#include "gvc-mixer-card.h"
+
+#define GVC_MIXER_CARD_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GVC_TYPE_MIXER_CARD, GvcMixerCardPrivate))
+
+static guint32 card_serial = 1;
+
+struct GvcMixerCardPrivate
+{
+ pa_context *pa_context;
+ guint id;
+ guint index;
+ char *name;
+ char *icon_name;
+ char *profile;
+ char *target_profile;
+ char *human_profile;
+ GList *profiles;
+ pa_operation *profile_op;
+};
+
+enum
+{
+ PROP_0,
+ PROP_ID,
+ PROP_PA_CONTEXT,
+ PROP_INDEX,
+ PROP_NAME,
+ PROP_ICON_NAME,
+ PROP_PROFILE,
+ PROP_HUMAN_PROFILE,
+};
+
+static void gvc_mixer_card_class_init (GvcMixerCardClass *klass);
+static void gvc_mixer_card_init (GvcMixerCard *mixer_card);
+static void gvc_mixer_card_finalize (GObject *object);
+
+G_DEFINE_TYPE (GvcMixerCard, gvc_mixer_card, G_TYPE_OBJECT)
+
+static guint32
+get_next_card_serial (void)
+{
+ guint32 serial;
+
+ serial = card_serial++;
+
+ if ((gint32)card_serial < 0) {
+ card_serial = 1;
+ }
+
+ return serial;
+}
+
+pa_context *
+gvc_mixer_card_get_pa_context (GvcMixerCard *card)
+{
+ g_return_val_if_fail (GVC_IS_MIXER_CARD (card), 0);
+ return card->priv->pa_context;
+}
+
+guint
+gvc_mixer_card_get_index (GvcMixerCard *card)
+{
+ g_return_val_if_fail (GVC_IS_MIXER_CARD (card), 0);
+ return card->priv->index;
+}
+
+guint
+gvc_mixer_card_get_id (GvcMixerCard *card)
+{
+ g_return_val_if_fail (GVC_IS_MIXER_CARD (card), 0);
+ return card->priv->id;
+}
+
+const char *
+gvc_mixer_card_get_name (GvcMixerCard *card)
+{
+ g_return_val_if_fail (GVC_IS_MIXER_CARD (card), NULL);
+ return card->priv->name;
+}
+
+gboolean
+gvc_mixer_card_set_name (GvcMixerCard *card,
+ const char *name)
+{
+ g_return_val_if_fail (GVC_IS_MIXER_CARD (card), FALSE);
+
+ g_free (card->priv->name);
+ card->priv->name = g_strdup (name);
+ g_object_notify (G_OBJECT (card), "name");
+
+ return TRUE;
+}
+
+const char *
+gvc_mixer_card_get_icon_name (GvcMixerCard *card)
+{
+ g_return_val_if_fail (GVC_IS_MIXER_CARD (card), NULL);
+ return card->priv->icon_name;
+}
+
+gboolean
+gvc_mixer_card_set_icon_name (GvcMixerCard *card,
+ const char *icon_name)
+{
+ g_return_val_if_fail (GVC_IS_MIXER_CARD (card), FALSE);
+
+ g_free (card->priv->icon_name);
+ card->priv->icon_name = g_strdup (icon_name);
+ g_object_notify (G_OBJECT (card), "icon-name");
+
+ return TRUE;
+}
+
+GvcMixerCardProfile *
+gvc_mixer_card_get_profile (GvcMixerCard *card)
+{
+ GList *l;
+
+ g_return_val_if_fail (GVC_IS_MIXER_CARD (card), NULL);
+ g_return_val_if_fail (card->priv->profiles != NULL, FALSE);
+
+ for (l = card->priv->profiles; l != NULL; l = l->next) {
+ GvcMixerCardProfile *p = l->data;
+ if (g_str_equal (card->priv->profile, p->profile)) {
+ return p;
+ }
+ }
+
+ g_assert_not_reached ();
+
+ return NULL;
+}
+
+gboolean
+gvc_mixer_card_set_profile (GvcMixerCard *card,
+ const char *profile)
+{
+ GList *l;
+
+ g_return_val_if_fail (GVC_IS_MIXER_CARD (card), FALSE);
+ g_return_val_if_fail (card->priv->profiles != NULL, FALSE);
+
+ g_free (card->priv->profile);
+ card->priv->profile = g_strdup (profile);
+
+ g_free (card->priv->human_profile);
+ card->priv->human_profile = NULL;
+
+ for (l = card->priv->profiles; l != NULL; l = l->next) {
+ GvcMixerCardProfile *p = l->data;
+ if (g_str_equal (card->priv->profile, p->profile)) {
+ card->priv->human_profile = g_strdup (p->human_profile);
+ break;
+ }
+ }
+
+ g_object_notify (G_OBJECT (card), "profile");
+
+ return TRUE;
+}
+
+static void
+_pa_context_set_card_profile_by_index_cb (pa_context *context,
+ int success,
+ void *userdata)
+{
+ GvcMixerCard *card = GVC_MIXER_CARD (userdata);
+
+ g_assert (card->priv->target_profile);
+
+ if (success > 0) {
+ gvc_mixer_card_set_profile (card, card->priv->target_profile);
+ } else {
+ g_debug ("Failed to switch profile on '%s' from '%s' to '%s'",
+ card->priv->name,
+ card->priv->profile,
+ card->priv->target_profile);
+ }
+ g_free (card->priv->target_profile);
+ card->priv->target_profile = NULL;
+
+ pa_operation_unref (card->priv->profile_op);
+ card->priv->profile_op = NULL;
+}
+
+gboolean
+gvc_mixer_card_change_profile (GvcMixerCard *card,
+ const char *profile)
+{
+ g_return_val_if_fail (GVC_IS_MIXER_CARD (card), FALSE);
+ g_return_val_if_fail (card->priv->profiles != NULL, FALSE);
+
+ /* Same profile, or already requested? */
+ if (g_strcmp0 (card->priv->profile, profile) == 0)
+ return TRUE;
+ if (g_strcmp0 (profile, card->priv->target_profile) == 0)
+ return TRUE;
+ if (card->priv->profile_op != NULL) {
+ pa_operation_cancel (card->priv->profile_op);
+ pa_operation_unref (card->priv->profile_op);
+ card->priv->profile_op = NULL;
+ }
+
+ if (card->priv->profile != NULL) {
+ g_free (card->priv->target_profile);
+ card->priv->target_profile = g_strdup (profile);
+
+ card->priv->profile_op = pa_context_set_card_profile_by_index (card->priv->pa_context,
+ card->priv->index,
+ card->priv->target_profile,
+ _pa_context_set_card_profile_by_index_cb,
+ card);
+
+ if (card->priv->profile_op == NULL) {
+ g_warning ("pa_context_set_card_profile_by_index() failed");
+ return FALSE;
+ }
+ } else {
+ g_assert (card->priv->human_profile == NULL);
+ card->priv->profile = g_strdup (profile);
+ }
+
+ return TRUE;
+}
+
+const GList *
+gvc_mixer_card_get_profiles (GvcMixerCard *card)
+{
+ g_return_val_if_fail (GVC_IS_MIXER_CARD (card), FALSE);
+ return card->priv->profiles;
+}
+
+static int
+sort_profiles (GvcMixerCardProfile *a,
+ GvcMixerCardProfile *b)
+{
+ if (a->priority == b->priority)
+ return 0;
+ if (a->priority > b->priority)
+ return 1;
+ return -1;
+}
+
+gboolean
+gvc_mixer_card_set_profiles (GvcMixerCard *card,
+ GList *profiles)
+{
+ g_return_val_if_fail (GVC_IS_MIXER_CARD (card), FALSE);
+ g_return_val_if_fail (card->priv->profiles == NULL, FALSE);
+
+ card->priv->profiles = g_list_sort (profiles, (GCompareFunc) sort_profiles);
+
+ return TRUE;
+}
+
+static void
+gvc_mixer_card_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GvcMixerCard *self = GVC_MIXER_CARD (object);
+
+ switch (prop_id) {
+ case PROP_PA_CONTEXT:
+ self->priv->pa_context = g_value_get_pointer (value);
+ break;
+ case PROP_INDEX:
+ self->priv->index = g_value_get_ulong (value);
+ break;
+ case PROP_ID:
+ self->priv->id = g_value_get_ulong (value);
+ break;
+ case PROP_NAME:
+ gvc_mixer_card_set_name (self, g_value_get_string (value));
+ break;
+ case PROP_ICON_NAME:
+ gvc_mixer_card_set_icon_name (self, g_value_get_string (value));
+ break;
+ case PROP_PROFILE:
+ gvc_mixer_card_set_profile (self, g_value_get_string (value));
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gvc_mixer_card_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ GvcMixerCard *self = GVC_MIXER_CARD (object);
+
+ switch (prop_id) {
+ case PROP_PA_CONTEXT:
+ g_value_set_pointer (value, self->priv->pa_context);
+ break;
+ case PROP_INDEX:
+ g_value_set_ulong (value, self->priv->index);
+ break;
+ case PROP_ID:
+ g_value_set_ulong (value, self->priv->id);
+ break;
+ case PROP_NAME:
+ g_value_set_string (value, self->priv->name);
+ break;
+ case PROP_ICON_NAME:
+ g_value_set_string (value, self->priv->icon_name);
+ break;
+ case PROP_PROFILE:
+ g_value_set_string (value, self->priv->profile);
+ break;
+ case PROP_HUMAN_PROFILE:
+ g_value_set_string (value, self->priv->human_profile);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static GObject *
+gvc_mixer_card_constructor (GType type,
+ guint n_construct_properties,
+ GObjectConstructParam *construct_params)
+{
+ GObject *object;
+ GvcMixerCard *self;
+
+ object = G_OBJECT_CLASS (gvc_mixer_card_parent_class)->constructor (type, n_construct_properties, construct_params);
+
+ self = GVC_MIXER_CARD (object);
+
+ self->priv->id = get_next_card_serial ();
+
+ return object;
+}
+
+static void
+gvc_mixer_card_class_init (GvcMixerCardClass *klass)
+{
+ GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+
+ gobject_class->constructor = gvc_mixer_card_constructor;
+ gobject_class->finalize = gvc_mixer_card_finalize;
+
+ gobject_class->set_property = gvc_mixer_card_set_property;
+ gobject_class->get_property = gvc_mixer_card_get_property;
+
+ g_object_class_install_property (gobject_class,
+ PROP_INDEX,
+ g_param_spec_ulong ("index",
+ "Index",
+ "The index for this card",
+ 0, G_MAXULONG, 0,
+ G_PARAM_READWRITE|G_PARAM_CONSTRUCT_ONLY));
+ g_object_class_install_property (gobject_class,
+ PROP_ID,
+ g_param_spec_ulong ("id",
+ "id",
+ "The id for this card",
+ 0, G_MAXULONG, 0,
+ G_PARAM_READWRITE|G_PARAM_CONSTRUCT_ONLY));
+ g_object_class_install_property (gobject_class,
+ PROP_PA_CONTEXT,
+ g_param_spec_pointer ("pa-context",
+ "PulseAudio context",
+ "The PulseAudio context for this card",
+ G_PARAM_READWRITE|G_PARAM_CONSTRUCT_ONLY));
+ g_object_class_install_property (gobject_class,
+ PROP_NAME,
+ g_param_spec_string ("name",
+ "Name",
+ "Name to display for this card",
+ NULL,
+ G_PARAM_READWRITE|G_PARAM_CONSTRUCT));
+ g_object_class_install_property (gobject_class,
+ PROP_ICON_NAME,
+ g_param_spec_string ("icon-name",
+ "Icon Name",
+ "Name of icon to display for this card",
+ NULL,
+ G_PARAM_READWRITE|G_PARAM_CONSTRUCT));
+ g_object_class_install_property (gobject_class,
+ PROP_PROFILE,
+ g_param_spec_string ("profile",
+ "Profile",
+ "Name of current profile for this card",
+ NULL,
+ G_PARAM_READWRITE));
+ g_object_class_install_property (gobject_class,
+ PROP_HUMAN_PROFILE,
+ g_param_spec_string ("human-profile",
+ "Profile (Human readable)",
+ "Name of current profile for this card in human readable form",
+ NULL,
+ G_PARAM_READABLE));
+
+ g_type_class_add_private (klass, sizeof (GvcMixerCardPrivate));
+}
+
+static void
+gvc_mixer_card_init (GvcMixerCard *card)
+{
+ card->priv = GVC_MIXER_CARD_GET_PRIVATE (card);
+}
+
+GvcMixerCard *
+gvc_mixer_card_new (pa_context *context,
+ guint index)
+{
+ GObject *object;
+
+ object = g_object_new (GVC_TYPE_MIXER_CARD,
+ "index", index,
+ "pa-context", context,
+ NULL);
+ return GVC_MIXER_CARD (object);
+}
+
+static void
+free_profile (GvcMixerCardProfile *p)
+{
+ g_free (p->profile);
+ g_free (p->human_profile);
+ g_free (p->status);
+ g_free (p);
+}
+
+static void
+gvc_mixer_card_finalize (GObject *object)
+{
+ GvcMixerCard *mixer_card;
+
+ g_return_if_fail (object != NULL);
+ g_return_if_fail (GVC_IS_MIXER_CARD (object));
+
+ mixer_card = GVC_MIXER_CARD (object);
+
+ g_return_if_fail (mixer_card->priv != NULL);
+
+ g_free (mixer_card->priv->name);
+ mixer_card->priv->name = NULL;
+
+ g_free (mixer_card->priv->icon_name);
+ mixer_card->priv->icon_name = NULL;
+
+ g_free (mixer_card->priv->target_profile);
+ mixer_card->priv->target_profile = NULL;
+
+ g_free (mixer_card->priv->profile);
+ mixer_card->priv->profile = NULL;
+
+ g_free (mixer_card->priv->human_profile);
+ mixer_card->priv->human_profile = NULL;
+
+ g_list_foreach (mixer_card->priv->profiles, (GFunc) free_profile, NULL);
+ g_list_free (mixer_card->priv->profiles);
+ mixer_card->priv->profiles = NULL;
+
+ G_OBJECT_CLASS (gvc_mixer_card_parent_class)->finalize (object);
+}
+