libgnome-volume-control/gvc-mixer-card.c
2019-03-18 10:58:36 +13:00

585 lines
19 KiB
C

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
*
* Copyright (C) 2008 William Jon McCann
* Copyright (C) 2009 Bastien Nocera
* Copyright (C) Conor Curran 2011 <conor.curran@canonical.com>
*
* 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-lib.h>
#include <pulse/pulseaudio.h>
#include "gvc-mixer-card.h"
#include "gvc-mixer-card-private.h"
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;
GList *ports;
};
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_finalize (GObject *object);
G_DEFINE_TYPE_WITH_PRIVATE (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;
}
/**
* gvc_mixer_card_get_profile: (skip)
* @card:
*
* Returns:
*/
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, NULL);
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;
}
/**
* gvc_mixer_card_change_profile:
* @card: a #GvcMixerCard
* @profile: (allow-none): the profile to change to or %NULL.
*
* Change the profile in use on this card.
*
* Returns: %TRUE if profile successfully changed or already using this profile.
*/
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;
}
/**
* gvc_mixer_card_get_profiles:
*
* Return value: (transfer none) (element-type GvcMixerCardProfile):
*/
const GList *
gvc_mixer_card_get_profiles (GvcMixerCard *card)
{
g_return_val_if_fail (GVC_IS_MIXER_CARD (card), NULL);
return card->priv->profiles;
}
/**
* gvc_mixer_card_get_ports:
*
* Return value: (transfer none) (element-type GvcMixerCardPort):
*/
const GList *
gvc_mixer_card_get_ports (GvcMixerCard *card)
{
g_return_val_if_fail (GVC_IS_MIXER_CARD (card), NULL);
return card->priv->ports;
}
/**
* gvc_mixer_card_profile_compare:
*
* Return value: 1 if @a has a higher priority, -1 if @b has a higher
* priority, 0 if @a and @b have the same priority.
*/
int
gvc_mixer_card_profile_compare (GvcMixerCardProfile *a,
GvcMixerCardProfile *b)
{
if (a->priority == b->priority)
return 0;
if (a->priority > b->priority)
return 1;
return -1;
}
/**
* gvc_mixer_card_set_profiles:
* @profiles: (transfer full) (element-type GvcMixerCardProfile):
*/
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) gvc_mixer_card_profile_compare);
return TRUE;
}
/**
* gvc_mixer_card_get_gicon:
* @card:
*
* Return value: (transfer full):
*/
GIcon *
gvc_mixer_card_get_gicon (GvcMixerCard *card)
{
g_return_val_if_fail (GVC_IS_MIXER_CARD (card), NULL);
if (card->priv->icon_name == NULL)
return NULL;
return g_themed_icon_new_with_default_fallbacks (card->priv->icon_name);
}
static void
free_port (GvcMixerCardPort *port)
{
g_free (port->port);
g_free (port->human_port);
g_free (port->icon_name);
g_list_free (port->profiles);
g_free (port);
}
/**
* gvc_mixer_card_set_ports:
* @ports: (transfer full) (element-type GvcMixerCardPort):
*/
gboolean
gvc_mixer_card_set_ports (GvcMixerCard *card,
GList *ports)
{
g_return_val_if_fail (GVC_IS_MIXER_CARD (card), FALSE);
g_return_val_if_fail (card->priv->ports == NULL, FALSE);
g_list_free_full (card->priv->ports, (GDestroyNotify) free_port);
card->priv->ports = ports;
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));
}
static void
gvc_mixer_card_init (GvcMixerCard *card)
{
card->priv = gvc_mixer_card_get_instance_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_free_full (mixer_card->priv->profiles, (GDestroyNotify) free_profile);
mixer_card->priv->profiles = NULL;
g_list_free_full (mixer_card->priv->ports, (GDestroyNotify) free_port);
mixer_card->priv->ports = NULL;
G_OBJECT_CLASS (gvc_mixer_card_parent_class)->finalize (object);
}