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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 <gsound.h>
#include <pulse/pulseaudio.h>
#include "cc-sound-resources.h"
#include "cc-speaker-test-button.h"
struct _CcSpeakerTestButton
{
GtkDialog parent_instance;
GtkImage *image;
GtkLabel *label;
GCancellable *cancellable;
GSoundContext *context;
pa_channel_position_t position;
gboolean playing;
gint event_index;
};
G_DEFINE_TYPE (CcSpeakerTestButton, cc_speaker_test_button, GTK_TYPE_BUTTON)
#define TEST_SOUND_ID 1
static gboolean
play_sound (CcSpeakerTestButton *self);
static const gchar *
get_icon_name (CcSpeakerTestButton *self)
{
switch (self->position)
{
case PA_CHANNEL_POSITION_FRONT_LEFT:
return self->playing ? "audio-speaker-left-testing" : "audio-speaker-left";
case PA_CHANNEL_POSITION_FRONT_RIGHT:
return self->playing ? "audio-speaker-right-testing" : "audio-speaker-right";
case PA_CHANNEL_POSITION_FRONT_CENTER:
return self->playing ? "audio-speaker-center-testing" : "audio-speaker-center";
case PA_CHANNEL_POSITION_REAR_LEFT:
return self->playing ? "audio-speaker-left-back-testing" : "audio-speaker-left-back";
case PA_CHANNEL_POSITION_REAR_RIGHT:
return self->playing ? "audio-speaker-right-back-testing" : "audio-speaker-right-back";
case PA_CHANNEL_POSITION_REAR_CENTER:
return self->playing ? "audio-speaker-center-back-testing" : "audio-speaker-center-back";
case PA_CHANNEL_POSITION_LFE:
return self->playing ? "audio-subwoofer-testing" : "audio-subwoofer";
case PA_CHANNEL_POSITION_SIDE_LEFT:
return self->playing ? "audio-speaker-left-side-testing" : "audio-speaker-left-side";
case PA_CHANNEL_POSITION_SIDE_RIGHT:
return self->playing ? "audio-speaker-right-side-testing" : "audio-speaker-right-side";
case PA_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER:
return self->playing ? "audio-speaker-front-left-of-center-testing" : "audio-speaker-front-left-of-center";
case PA_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER:
return self->playing ? "audio-speaker-front-right-of-center-testing" : "audio-speaker-front-right-of-center";
case PA_CHANNEL_POSITION_MONO:
return self->playing ? "audio-speaker-mono-testing" : "audio-speaker-mono";
default:
return "audio-speakers";
}
}
static void
update_icon (CcSpeakerTestButton *self)
{
gtk_image_set_from_icon_name (self->image, get_icon_name (self));
}
static GStrv
get_sound_events (CcSpeakerTestButton *self)
{
switch (self->position)
{
case PA_CHANNEL_POSITION_FRONT_LEFT:
return g_strsplit ("audio-channel-front-left;audio-test-signal;bell", ";", -1);
case PA_CHANNEL_POSITION_FRONT_RIGHT:
return g_strsplit ("audio-channel-front-right;audio-test-signal;bell", ";", -1);
case PA_CHANNEL_POSITION_FRONT_CENTER:
return g_strsplit ("audio-channel-front-center;audio-test-signal;bell", ";", -1);
case PA_CHANNEL_POSITION_REAR_LEFT:
return g_strsplit ("audio-channel-rear-left;audio-test-signal;bell", ";", -1);
case PA_CHANNEL_POSITION_REAR_RIGHT:
return g_strsplit ("audio-channel-rear-right;audio-test-signal;bell", ";", -1);
case PA_CHANNEL_POSITION_REAR_CENTER:
return g_strsplit ("audio-channel-rear-center;audio-test-signal;bell", ";", -1);
case PA_CHANNEL_POSITION_LFE:
return g_strsplit ("audio-channel-lfe;audio-test-signal;bell", ";", -1);
case PA_CHANNEL_POSITION_SIDE_LEFT:
return g_strsplit ("audio-channel-side-left;audio-test-signal;bell", ";", -1);
case PA_CHANNEL_POSITION_SIDE_RIGHT:
return g_strsplit ("audio-channel-side-right;audio-test-signal;bell", ";", -1);
case PA_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER:
return g_strsplit ("audio-channel-front-left-of-center;audio-test-signal;bell", ";", -1);
case PA_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER:
return g_strsplit ("audio-channel-front-right-of-center;audio-test-signal;bell", ";", -1);
case PA_CHANNEL_POSITION_MONO:
return g_strsplit ("audio-channel-mono;audio-test-signal;bell", ";", -1);
default:
return g_strsplit ("audio-test-signal;bell", ";", -1);
}
}
static void
finish_cb (GObject *object,
GAsyncResult *result,
gpointer userdata)
{
CcSpeakerTestButton *self = userdata;
g_autoptr(GError) error = NULL;
if (!gsound_context_play_full_finish (GSOUND_CONTEXT (object), result, &error))
{
if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
return;
if (play_sound (self))
return;
g_warning ("Failed to play sound: %s", error->message);
}
self->playing = FALSE;
update_icon (self);
}
static gboolean
play_sound (CcSpeakerTestButton *self)
{
g_auto(GStrv) events = NULL;
/* Stop existing sound */
g_cancellable_cancel (self->cancellable);
g_clear_object (&self->cancellable);
self->cancellable = g_cancellable_new ();
events = get_sound_events (self);
if (events[self->event_index] == NULL)
return FALSE;
gsound_context_play_full (self->context, self->cancellable, finish_cb, self,
GSOUND_ATTR_MEDIA_ROLE, "test",
GSOUND_ATTR_MEDIA_NAME, pa_channel_position_to_pretty_string (self->position),
GSOUND_ATTR_CANBERRA_FORCE_CHANNEL, pa_channel_position_to_string (self->position),
GSOUND_ATTR_CANBERRA_ENABLE, "1",
GSOUND_ATTR_EVENT_ID, events[self->event_index],
NULL);
self->event_index++;
return TRUE;
}
static void
clicked_cb (CcSpeakerTestButton *self)
{
if (self->context == NULL)
return;
self->playing = TRUE;
update_icon (self);
/* Play the per-channel sound name or a generic sound */
self->event_index = 0;
play_sound (self);
}
static void
cc_speaker_test_button_dispose (GObject *object)
{
CcSpeakerTestButton *self = CC_SPEAKER_TEST_BUTTON (object);
g_cancellable_cancel (self->cancellable);
g_clear_object (&self->cancellable);
g_clear_object (&self->context);
G_OBJECT_CLASS (cc_speaker_test_button_parent_class)->dispose (object);
}
void
cc_speaker_test_button_class_init (CcSpeakerTestButtonClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
object_class->dispose = cc_speaker_test_button_dispose;
gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/control-center/sound/cc-speaker-test-button.ui");
gtk_widget_class_bind_template_child (widget_class, CcSpeakerTestButton, image);
gtk_widget_class_bind_template_child (widget_class, CcSpeakerTestButton, label);
gtk_widget_class_bind_template_callback (widget_class, clicked_cb);
}
void
cc_speaker_test_button_init (CcSpeakerTestButton *self)
{
g_resources_register (cc_sound_get_resource ());
gtk_widget_init_template (GTK_WIDGET (self));
self->cancellable = g_cancellable_new ();
update_icon (self);
}
CcSpeakerTestButton *
cc_speaker_test_button_new (void)
{
return g_object_new (CC_TYPE_SPEAKER_TEST_BUTTON, NULL);
}
void
cc_speaker_test_button_set_channel_position (CcSpeakerTestButton *self,
GSoundContext *context,
pa_channel_position_t position)
{
g_return_if_fail (CC_IS_SPEAKER_TEST_BUTTON (self));
g_clear_object (&self->context);
self->context = g_object_ref (context);
self->position = position;
gtk_label_set_label (self->label, pa_channel_position_to_pretty_string (position));
update_icon (self);
}
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