diff options
Diffstat (limited to 'panels/sound/cc-speaker-test-button.c')
| -rw-r--r-- | panels/sound/cc-speaker-test-button.c | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/panels/sound/cc-speaker-test-button.c b/panels/sound/cc-speaker-test-button.c new file mode 100644 index 0000000..71824aa --- /dev/null +++ b/panels/sound/cc-speaker-test-button.c @@ -0,0 +1,241 @@ +/* -*- 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); +} |