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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
*
* Copyright (C) 2018 Canonical Ltd.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include <pulse/pulseaudio.h>
#include <gvc-mixer-sink.h>
#include <gvc-mixer-source.h>
#include "cc-stream-list-box.h"
#include "cc-stream-row.h"
#include "cc-sound-enums.h"
#include "cc-sound-resources.h"
struct _CcStreamListBox
{
GtkBox parent_instance;
GtkListBox *listbox;
GtkSizeGroup *label_size_group;
GvcMixerControl *mixer_control;
CcStreamType stream_type;
guint stream_added_handler_id;
guint stream_removed_handler_id;
};
G_DEFINE_TYPE (CcStreamListBox, cc_stream_list_box, GTK_TYPE_BOX)
enum
{
PROP_0,
PROP_LABEL_SIZE_GROUP
};
static gint
sort_cb (GtkListBoxRow *row1,
GtkListBoxRow *row2,
gpointer user_data)
{
CcStreamListBox *self = user_data;
GvcMixerStream *stream1, *stream2, *event_sink;
g_autofree gchar *name1 = NULL;
g_autofree gchar *name2 = NULL;
stream1 = cc_stream_row_get_stream (CC_STREAM_ROW (row1));
stream2 = cc_stream_row_get_stream (CC_STREAM_ROW (row2));
/* Put the system sound events control at the top */
event_sink = gvc_mixer_control_get_event_sink_input (self->mixer_control);
if (stream1 == event_sink)
return -1;
else if (stream2 == event_sink)
return 1;
name1 = g_utf8_casefold (gvc_mixer_stream_get_name (stream1), -1);
name2 = g_utf8_casefold (gvc_mixer_stream_get_name (stream2), -1);
return g_strcmp0 (name1, name2);
}
static void
stream_added_cb (CcStreamListBox *self,
guint id)
{
GvcMixerStream *stream;
const gchar *app_id;
CcStreamRow *row;
stream = gvc_mixer_control_lookup_stream_id (self->mixer_control, id);
if (stream == NULL)
return;
app_id = gvc_mixer_stream_get_application_id (stream);
/* Skip master volume controls */
if (g_strcmp0 (app_id, "org.gnome.VolumeControl") == 0 ||
g_strcmp0 (app_id, "org.PulseAudio.pavucontrol") == 0)
{
return;
}
/* Skip streams that aren't volume controls */
if (GVC_IS_MIXER_SOURCE (stream) ||
GVC_IS_MIXER_SINK (stream) ||
gvc_mixer_stream_is_virtual (stream) ||
gvc_mixer_stream_is_event_stream (stream))
{
return;
}
row = cc_stream_row_new (self->label_size_group, stream, id, self->stream_type, self->mixer_control);
gtk_list_box_append (self->listbox, GTK_WIDGET (row));
}
static GtkWidget *
find_row (CcStreamListBox *self,
guint id)
{
GtkWidget *child;
for (child = gtk_widget_get_first_child (GTK_WIDGET (self->listbox));
child;
child = gtk_widget_get_next_sibling (child))
{
if (!CC_IS_STREAM_ROW (child))
continue;
if (id == cc_stream_row_get_id (CC_STREAM_ROW (child)))
return child;
}
return NULL;
}
static void
stream_removed_cb (CcStreamListBox *self,
guint id)
{
GtkWidget *row;
row = find_row (self, id);
if (row != NULL)
gtk_list_box_remove (self->listbox, row);
}
static void
cc_stream_list_box_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
CcStreamListBox *self = CC_STREAM_LIST_BOX (object);
switch (property_id) {
case PROP_LABEL_SIZE_GROUP:
self->label_size_group = g_value_dup_object (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
cc_stream_list_box_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
CcStreamListBox *self = CC_STREAM_LIST_BOX (object);
switch (property_id) {
case PROP_LABEL_SIZE_GROUP:
g_value_set_object (value, self->label_size_group);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
cc_stream_list_box_dispose (GObject *object)
{
CcStreamListBox *self = CC_STREAM_LIST_BOX (object);
g_clear_object (&self->mixer_control);
G_OBJECT_CLASS (cc_stream_list_box_parent_class)->dispose (object);
}
void
cc_stream_list_box_class_init (CcStreamListBoxClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
object_class->set_property = cc_stream_list_box_set_property;
object_class->get_property = cc_stream_list_box_get_property;
object_class->dispose = cc_stream_list_box_dispose;
g_object_class_install_property (object_class, PROP_LABEL_SIZE_GROUP,
g_param_spec_object ("label-size-group",
NULL,
NULL,
GTK_TYPE_SIZE_GROUP,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/control-center/sound/cc-stream-list-box.ui");
gtk_widget_class_bind_template_child (widget_class, CcStreamListBox, listbox);
}
void
cc_stream_list_box_init (CcStreamListBox *self)
{
g_resources_register (cc_sound_get_resource ());
gtk_widget_init_template (GTK_WIDGET (self));
gtk_list_box_set_sort_func (self->listbox, sort_cb, self, NULL);
}
void
cc_stream_list_box_set_mixer_control (CcStreamListBox *self,
GvcMixerControl *mixer_control)
{
g_return_if_fail (CC_IS_STREAM_LIST_BOX (self));
if (self->mixer_control != NULL)
{
g_signal_handler_disconnect (self->mixer_control, self->stream_added_handler_id);
self->stream_added_handler_id = 0;
g_signal_handler_disconnect (self->mixer_control, self->stream_removed_handler_id);
self->stream_removed_handler_id = 0;
}
g_clear_object (&self->mixer_control);
self->mixer_control = g_object_ref (mixer_control);
self->stream_added_handler_id = g_signal_connect_object (self->mixer_control,
"stream-added",
G_CALLBACK (stream_added_cb),
self, G_CONNECT_SWAPPED);
self->stream_removed_handler_id = g_signal_connect_object (self->mixer_control,
"stream-removed",
G_CALLBACK (stream_removed_cb),
self, G_CONNECT_SWAPPED);
}
void cc_stream_list_box_set_stream_type (CcStreamListBox *self,
CcStreamType stream_type)
{
g_return_if_fail (CC_IS_STREAM_LIST_BOX (self));
self->stream_type = stream_type;
}
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