moved from Mate-Extra

1 files changed, 499 insertions, 0 deletions

diff --git a/mate-volume-control/src/gvc-speaker-test.c b/mate-volume-control/src/gvc-speaker-test.c
new file mode 100644
index 0000000..b3bb99c
--- /dev/null
+++ b/mate-volume-control/src/gvc-speaker-test.c
@@ -0,0 +1,499 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * 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 <gtk/gtk.h>
+#include <canberra.h>
+#include <canberra-gtk.h>
+
+#include "gvc-speaker-test.h"
+#include "gvc-mixer-stream.h"
+#include "gvc-mixer-card.h"
+
+#define GVC_SPEAKER_TEST_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GVC_TYPE_SPEAKER_TEST, GvcSpeakerTestPrivate))
+
+struct GvcSpeakerTestPrivate
+{
+        GtkWidget       *channel_controls[PA_CHANNEL_POSITION_MAX];
+        ca_context      *canberra;
+        GvcMixerCard    *card;
+        GvcMixerControl *control;
+};
+
+enum {
+        COL_NAME,
+        COL_HUMAN_NAME,
+        NUM_COLS
+};
+
+enum {
+        PROP_0,
+        PROP_CARD,
+        PROP_CONTROL
+};
+
+static void     gvc_speaker_test_class_init (GvcSpeakerTestClass *klass);
+static void     gvc_speaker_test_init       (GvcSpeakerTest      *speaker_test);
+static void     gvc_speaker_test_finalize   (GObject            *object);
+static void     update_channel_map          (GvcSpeakerTest *speaker_test);
+
+G_DEFINE_TYPE (GvcSpeakerTest, gvc_speaker_test, GTK_TYPE_TABLE)
+
+static const int position_table[] = {
+        /* Position, X, Y */
+        PA_CHANNEL_POSITION_FRONT_LEFT, 0, 0,
+        PA_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER, 1, 0,
+        PA_CHANNEL_POSITION_FRONT_CENTER, 2, 0,
+        PA_CHANNEL_POSITION_MONO, 2, 0,
+        PA_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER, 3, 0,
+        PA_CHANNEL_POSITION_FRONT_RIGHT, 4, 0,
+        PA_CHANNEL_POSITION_SIDE_LEFT, 0, 1,
+        PA_CHANNEL_POSITION_SIDE_RIGHT, 4, 1,
+        PA_CHANNEL_POSITION_REAR_LEFT, 0, 2,
+        PA_CHANNEL_POSITION_REAR_CENTER, 2, 2,
+        PA_CHANNEL_POSITION_REAR_RIGHT, 4, 2,
+        PA_CHANNEL_POSITION_LFE, 3, 2
+};
+
+static void
+gvc_speaker_test_set_property (GObject       *object,
+                               guint          prop_id,
+                               const GValue  *value,
+                               GParamSpec    *pspec)
+{
+        GvcSpeakerTest *self = GVC_SPEAKER_TEST (object);
+
+        switch (prop_id) {
+        case PROP_CARD:
+                self->priv->card = g_value_dup_object (value);
+                if (self->priv->control != NULL)
+                        update_channel_map (self);
+                break;
+        case PROP_CONTROL:
+                self->priv->control = g_value_dup_object (value);
+                if (self->priv->card != NULL)
+                        update_channel_map (self);
+                break;
+        default:
+                G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+                break;
+        }
+}
+
+static void
+gvc_speaker_test_get_property (GObject     *object,
+                               guint        prop_id,
+                               GValue      *value,
+                               GParamSpec  *pspec)
+{
+        GvcSpeakerTest *self = GVC_SPEAKER_TEST (object);
+
+        switch (prop_id) {
+        case PROP_CARD:
+                g_value_set_object (value, self->priv->card);
+                break;
+        case PROP_CONTROL:
+                g_value_set_object (value, self->priv->control);
+                break;
+        default:
+                G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+                break;
+        }
+}
+
+static void
+gvc_speaker_test_class_init (GvcSpeakerTestClass *klass)
+{
+        GObjectClass   *object_class = G_OBJECT_CLASS (klass);
+
+        object_class->finalize = gvc_speaker_test_finalize;
+        object_class->set_property = gvc_speaker_test_set_property;
+        object_class->get_property = gvc_speaker_test_get_property;
+
+        g_object_class_install_property (object_class,
+                                         PROP_CARD,
+                                         g_param_spec_object ("card",
+                                                              "card",
+                                                              "The card",
+                                                              GVC_TYPE_MIXER_CARD,
+                                                              G_PARAM_READWRITE|G_PARAM_CONSTRUCT));
+        g_object_class_install_property (object_class,
+                                         PROP_CONTROL,
+                                         g_param_spec_object ("control",
+                                                              "control",
+                                                              "The mixer controller",
+                                                              GVC_TYPE_MIXER_CONTROL,
+                                                              G_PARAM_READWRITE|G_PARAM_CONSTRUCT_ONLY));
+        g_type_class_add_private (klass, sizeof (GvcSpeakerTestPrivate));
+}
+
+static const char *
+sound_name (pa_channel_position_t position)
+{
+        switch (position) {
+        case PA_CHANNEL_POSITION_FRONT_LEFT:
+                return "audio-channel-front-left";
+        case PA_CHANNEL_POSITION_FRONT_RIGHT:
+                return "audio-channel-front-right";
+        case PA_CHANNEL_POSITION_FRONT_CENTER:
+                return "audio-channel-front-center";
+        case PA_CHANNEL_POSITION_REAR_LEFT:
+                return "audio-channel-rear-left";
+        case PA_CHANNEL_POSITION_REAR_RIGHT:
+                return "audio-channel-rear-right";
+        case PA_CHANNEL_POSITION_REAR_CENTER:
+                return "audio-channel-rear-center";
+        case PA_CHANNEL_POSITION_LFE:
+                return "audio-channel-lfe";
+        case PA_CHANNEL_POSITION_SIDE_LEFT:
+                return "audio-channel-side-left";
+        case PA_CHANNEL_POSITION_SIDE_RIGHT:
+                return "audio-channel-side-right";
+        default:
+                return NULL;
+        }
+}
+
+static const char *
+icon_name (pa_channel_position_t position, gboolean playing)
+{
+        switch (position) {
+        case PA_CHANNEL_POSITION_FRONT_LEFT:
+                return playing ? "audio-speaker-left-testing" : "audio-speaker-left";
+        case PA_CHANNEL_POSITION_FRONT_RIGHT:
+                return playing ? "audio-speaker-right-testing" : "audio-speaker-right";
+        case PA_CHANNEL_POSITION_FRONT_CENTER:
+                return playing ? "audio-speaker-center-testing" : "audio-speaker-center";
+        case PA_CHANNEL_POSITION_REAR_LEFT:
+                return playing ? "audio-speaker-left-back-testing" : "audio-speaker-left-back";
+        case PA_CHANNEL_POSITION_REAR_RIGHT:
+                return playing ? "audio-speaker-right-back-testing" : "audio-speaker-right-back";
+        case PA_CHANNEL_POSITION_REAR_CENTER:
+                return playing ? "audio-speaker-center-back-testing" : "audio-speaker-center-back";
+        case PA_CHANNEL_POSITION_LFE:
+                return playing ? "audio-subwoofer-testing" : "audio-subwoofer";
+        case PA_CHANNEL_POSITION_SIDE_LEFT:
+                return playing ? "audio-speaker-left-side-testing" : "audio-speaker-left-side";
+        case PA_CHANNEL_POSITION_SIDE_RIGHT:
+                return playing ? "audio-speaker-right-side-testing" : "audio-speaker-right-side";
+        default:
+                return NULL;
+        }
+}
+
+static void
+update_button (GtkWidget *control)
+{
+        GtkWidget *button;
+        GtkWidget *image;
+        pa_channel_position_t position;
+        gboolean playing;
+
+        button = g_object_get_data (G_OBJECT (control), "button");
+        image = g_object_get_data (G_OBJECT (control), "image");
+        position = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (control), "position"));
+        playing = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (control), "playing"));
+        gtk_button_set_label (GTK_BUTTON (button), playing ? _("Stop") : _("Test"));
+        gtk_image_set_from_icon_name (GTK_IMAGE (image), icon_name (position, playing), GTK_ICON_SIZE_DIALOG);
+}
+
+static const char *
+pretty_position (pa_channel_position_t position)
+{
+        if (position == PA_CHANNEL_POSITION_LFE)
+                return N_("Subwoofer");
+
+        return pa_channel_position_to_pretty_string (position);
+}
+
+static gboolean
+idle_cb (GtkWidget *control)
+{
+        if (control == NULL)
+                return FALSE;
+
+        /* This is called in the background thread, hence
+         * forward to main thread via idle callback */
+        g_object_set_data (G_OBJECT (control), "playing", GINT_TO_POINTER(FALSE));
+        update_button (control);
+
+        return FALSE;
+}
+
+static void
+finish_cb (ca_context *c, uint32_t id, int error_code, void *userdata)
+{
+        GtkWidget *control = (GtkWidget *) userdata;
+
+        if (error_code == CA_ERROR_DESTROYED || control == NULL)
+                return;
+        g_idle_add ((GSourceFunc) idle_cb, control);
+}
+
+static void
+on_test_button_clicked (GtkButton *button,
+                        GtkWidget *control)
+{
+        gboolean playing;
+        ca_context *canberra;
+
+        canberra = g_object_get_data (G_OBJECT (control), "canberra");
+
+        ca_context_cancel (canberra, 1);
+
+        playing = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (control), "playing"));
+
+        if (playing) {
+                g_object_set_data (G_OBJECT (control), "playing", GINT_TO_POINTER(FALSE));
+        } else {
+                pa_channel_position_t position;
+                const char *name;
+                ca_proplist *proplist;
+
+                position = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (control), "position"));
+
+                ca_proplist_create (&proplist);
+                ca_proplist_sets (proplist, CA_PROP_MEDIA_ROLE, "test");
+                ca_proplist_sets (proplist, CA_PROP_MEDIA_NAME, pretty_position (position));
+                ca_proplist_sets (proplist, CA_PROP_CANBERRA_FORCE_CHANNEL,
+                                  pa_channel_position_to_string (position));
+                ca_proplist_sets (proplist, CA_PROP_CANBERRA_ENABLE, "1");
+
+                name = sound_name (position);
+                if (name != NULL) {
+                        ca_proplist_sets (proplist, CA_PROP_EVENT_ID, name);
+                        playing = ca_context_play_full (canberra, 1, proplist, finish_cb, control) >= 0;
+                }
+
+                if (!playing) {
+                        ca_proplist_sets (proplist, CA_PROP_EVENT_ID, "audio-test-signal");
+                        playing = ca_context_play_full (canberra, 1, proplist, finish_cb, control) >= 0;
+                }
+
+                if (!playing) {
+                        ca_proplist_sets(proplist, CA_PROP_EVENT_ID, "bell-window-system");
+                        playing = ca_context_play_full (canberra, 1, proplist, finish_cb, control) >= 0;
+                }
+                g_object_set_data (G_OBJECT (control), "playing", GINT_TO_POINTER(playing));
+        }
+
+        update_button (control);
+}
+
+static GtkWidget *
+channel_control_new (ca_context *canberra, pa_channel_position_t position)
+{
+        GtkWidget *control;
+        GtkWidget *box;
+        GtkWidget *label;
+        GtkWidget *image;
+        GtkWidget *test_button;
+        const char *name;
+
+        control = gtk_vbox_new (FALSE, 6);
+        g_object_set_data (G_OBJECT (control), "playing", GINT_TO_POINTER(FALSE));
+        g_object_set_data (G_OBJECT (control), "position", GINT_TO_POINTER(position));
+        g_object_set_data (G_OBJECT (control), "canberra", canberra);
+
+        name = icon_name (position, FALSE);
+        if (name == NULL)
+                name = "audio-volume-medium";
+        image = gtk_image_new_from_icon_name (name, GTK_ICON_SIZE_DIALOG);
+        g_object_set_data (G_OBJECT (control), "image", image);
+        gtk_box_pack_start (GTK_BOX (control), image, FALSE, FALSE, 0);
+
+        label = gtk_label_new (pretty_position (position));
+        gtk_box_pack_start (GTK_BOX (control), label, FALSE, FALSE, 0);
+
+        test_button = gtk_button_new_with_label (_("Test"));
+        g_signal_connect (G_OBJECT (test_button), "clicked",
+                          G_CALLBACK (on_test_button_clicked), control);
+        g_object_set_data (G_OBJECT (control), "button", test_button);
+
+        box = gtk_hbox_new (FALSE, 0);
+        gtk_box_pack_start (GTK_BOX (box), test_button, TRUE, FALSE, 0);
+        gtk_box_pack_start (GTK_BOX (control), box, FALSE, FALSE, 0);
+
+        gtk_widget_show_all (control);
+
+        return control;
+}
+
+static void
+create_channel_controls (GvcSpeakerTest *speaker_test)
+{
+        guint i;
+
+        for (i = 0; i < G_N_ELEMENTS (position_table); i += 3) {
+                speaker_test->priv->channel_controls[position_table[i]] = channel_control_new (speaker_test->priv->canberra, (pa_channel_position_t) position_table[i]);
+                gtk_table_attach (GTK_TABLE (speaker_test),
+                                  speaker_test->priv->channel_controls[position_table[i]],
+                                  position_table[i+1],
+                                  position_table[i+1]+1,
+                                  position_table[i+2],
+                                  position_table[i+2]+1,
+                                  GTK_EXPAND, GTK_EXPAND, 0, 0);
+        }
+}
+
+static const GvcChannelMap *
+get_channel_map_for_card (GvcMixerControl *control,
+                          GvcMixerCard    *card,
+                          char           **output_name)
+{
+        int card_index;
+        GSList *sinks, *l;
+        GvcMixerStream *stream;
+        const GvcChannelMap *map;
+
+        /* This gets the channel map for the only
+         * output for the card */
+
+        card_index = gvc_mixer_card_get_index (card);
+        if (card_index == PA_INVALID_INDEX)
+                return NULL;
+        sinks = gvc_mixer_control_get_sinks (control);
+        stream = NULL;
+        for (l = sinks; l != NULL; l = l->next) {
+                GvcMixerStream *s = l->data;
+                if (gvc_mixer_stream_get_card_index (s) == card_index) {
+                        stream = g_object_ref (s);
+                        break;
+                }
+        }
+        g_slist_free (sinks);
+
+        g_assert (stream);
+
+        g_debug ("Found stream '%s' for card '%s'",
+                 gvc_mixer_stream_get_name (stream),
+                 gvc_mixer_card_get_name (card));
+
+        *output_name = g_strdup (gvc_mixer_stream_get_name (stream));
+        map = gvc_mixer_stream_get_channel_map (stream);
+
+        g_debug ("Got channel map '%s' for port '%s'",
+                 gvc_channel_map_get_mapping (map), *output_name);
+
+        return map;
+}
+
+static void
+update_channel_map (GvcSpeakerTest *speaker_test)
+{
+        guint i;
+        const GvcChannelMap *map;
+        char *output_name;
+
+        g_return_if_fail (speaker_test->priv->control != NULL);
+        g_return_if_fail (speaker_test->priv->card != NULL);
+
+        g_debug ("XXX update_channel_map called XXX");
+
+        map = get_channel_map_for_card (speaker_test->priv->control,
+                                        speaker_test->priv->card,
+                                        &output_name);
+
+        g_return_if_fail (map != NULL);
+
+        ca_context_change_device (speaker_test->priv->canberra, output_name);
+        g_free (output_name);
+
+        for (i = 0; i < G_N_ELEMENTS (position_table); i += 3) {
+                gtk_widget_set_visible (speaker_test->priv->channel_controls[position_table[i]],
+                                        gvc_channel_map_has_position(map, position_table[i]));
+        }
+}
+
+static void
+gvc_speaker_test_init (GvcSpeakerTest *speaker_test)
+{
+        GtkWidget *face;
+
+        speaker_test->priv = GVC_SPEAKER_TEST_GET_PRIVATE (speaker_test);
+
+        ca_context_create (&speaker_test->priv->canberra);
+        ca_context_set_driver (speaker_test->priv->canberra, "pulse");
+        ca_context_change_props (speaker_test->priv->canberra,
+                                 CA_PROP_APPLICATION_ID, "org.mate.VolumeControl",
+                                 NULL);
+
+        gtk_table_resize (GTK_TABLE (speaker_test), 3, 5);
+        gtk_container_set_border_width (GTK_CONTAINER (speaker_test), 12);
+        gtk_table_set_homogeneous (GTK_TABLE (speaker_test), TRUE);
+        gtk_table_set_row_spacings (GTK_TABLE (speaker_test), 12);
+        gtk_table_set_col_spacings (GTK_TABLE (speaker_test), 12);
+
+        create_channel_controls (speaker_test);
+
+        face = gtk_image_new_from_icon_name ("face-smile", GTK_ICON_SIZE_DIALOG);
+        gtk_table_attach (GTK_TABLE (speaker_test), face,
+                          2, 3, 1, 2, GTK_EXPAND, GTK_EXPAND, 0, 0);
+        gtk_widget_show (face);
+}
+
+static void
+gvc_speaker_test_finalize (GObject *object)
+{
+        GvcSpeakerTest *speaker_test;
+
+        g_return_if_fail (object != NULL);
+        g_return_if_fail (GVC_IS_SPEAKER_TEST (object));
+
+        speaker_test = GVC_SPEAKER_TEST (object);
+
+        g_return_if_fail (speaker_test->priv != NULL);
+
+        g_object_unref (speaker_test->priv->card);
+        speaker_test->priv->card = NULL;
+
+        g_object_unref (speaker_test->priv->control);
+        speaker_test->priv->control = NULL;
+
+        ca_context_destroy (speaker_test->priv->canberra);
+        speaker_test->priv->canberra = NULL;
+
+        G_OBJECT_CLASS (gvc_speaker_test_parent_class)->finalize (object);
+}
+
+GtkWidget *
+gvc_speaker_test_new (GvcMixerControl *control,
+                      GvcMixerCard *card)
+{
+        GObject *speaker_test;
+
+        g_return_val_if_fail (card != NULL, NULL);
+        g_return_val_if_fail (control != NULL, NULL);
+
+        speaker_test = g_object_new (GVC_TYPE_SPEAKER_TEST,
+                                  "card", card,
+                                  "control", control,
+                                  NULL);
+
+        return GTK_WIDGET (speaker_test);
+}
+