Adding upstream version 43.0.upstream/43.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 263 insertions, 0 deletions

diff --git a/plugins/media-keys/audio-selection-test.c b/plugins/media-keys/audio-selection-test.c
new file mode 100644
index 0000000..d06759f
--- /dev/null
+++ b/plugins/media-keys/audio-selection-test.c
@@ -0,0 +1,263 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2017 Bastien Nocera <hadess@hadess.net>
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "config.h"
+
+#include <gtk/gtk.h>
+
+#define AUDIO_SELECTION_DBUS_NAME               "org.gnome.Shell.AudioDeviceSelection"
+#define AUDIO_SELECTION_DBUS_PATH               "/org/gnome/Shell/AudioDeviceSelection"
+#define AUDIO_SELECTION_DBUS_INTERFACE          "org.gnome.Shell.AudioDeviceSelection"
+
+static guint audio_selection_watch_id;
+static guint audio_selection_signal_id;
+static GDBusConnection *audio_selection_conn;
+static gboolean audio_selection_requested;
+static GtkWidget *check_headphones, *check_headset, *check_micro;
+static GtkWidget *button, *label;
+
+/* Copy-paste from gvc-mixer-control.h */
+typedef enum
+{
+	GVC_HEADSET_PORT_CHOICE_NONE        = 0,
+	GVC_HEADSET_PORT_CHOICE_HEADPHONES  = 1 << 0,
+	GVC_HEADSET_PORT_CHOICE_HEADSET     = 1 << 1,
+	GVC_HEADSET_PORT_CHOICE_MIC         = 1 << 2
+} GvcHeadsetPortChoice;
+
+typedef struct {
+	GvcHeadsetPortChoice choice;
+	gchar *name;
+} AudioSelectionChoice;
+
+static AudioSelectionChoice audio_selection_choices[] = {
+	{ GVC_HEADSET_PORT_CHOICE_HEADPHONES,   "headphones" },
+	{ GVC_HEADSET_PORT_CHOICE_HEADSET,      "headset" },
+	{ GVC_HEADSET_PORT_CHOICE_MIC,          "microphone" },
+};
+
+static void
+audio_selection_done (GDBusConnection *connection,
+		      const gchar     *sender_name,
+		      const gchar     *object_path,
+		      const gchar     *interface_name,
+		      const gchar     *signal_name,
+		      GVariant        *parameters,
+		      gpointer         data)
+{
+	const gchar *choice;
+
+	if (!audio_selection_requested)
+		return;
+
+	choice = NULL;
+	g_variant_get_child (parameters, 0, "&s", &choice);
+	if (!choice)
+		return;
+
+	gtk_label_set_text (GTK_LABEL (label), choice);
+
+	audio_selection_requested = FALSE;
+}
+
+static void
+audio_selection_needed (GvcHeadsetPortChoice  choices)
+{
+	gchar *args[G_N_ELEMENTS (audio_selection_choices) + 1];
+	guint i, n;
+
+	if (!audio_selection_conn)
+		return;
+
+	n = 0;
+	for (i = 0; i < G_N_ELEMENTS (audio_selection_choices); ++i) {
+		if (choices & audio_selection_choices[i].choice)
+			args[n++] = audio_selection_choices[i].name;
+	}
+	args[n] = NULL;
+
+	audio_selection_requested = TRUE;
+	g_dbus_connection_call (audio_selection_conn,
+				AUDIO_SELECTION_DBUS_NAME,
+				AUDIO_SELECTION_DBUS_PATH,
+				AUDIO_SELECTION_DBUS_INTERFACE,
+				"Open",
+				g_variant_new ("(^as)", args),
+				NULL,
+				G_DBUS_CALL_FLAGS_NONE,
+				-1, NULL, NULL, NULL);
+}
+
+static void
+update_ask_button (void)
+{
+	guint num_buttons = 0;
+	gboolean active = FALSE;
+
+	/* Need gnome-shell running */
+	if (audio_selection_conn == NULL)
+		goto end;
+
+	/* Need at least 2 choices */
+	if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (check_headphones)))
+		num_buttons++;
+	if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (check_headset)))
+		num_buttons++;
+	if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (check_micro)))
+		num_buttons++;
+
+	if (num_buttons < 2)
+		goto end;
+
+	/* And no questions in flight */
+	if (audio_selection_requested)
+		goto end;
+
+	active = TRUE;
+
+end:
+	gtk_widget_set_sensitive (GTK_WIDGET (button), active);
+}
+
+static void
+audio_selection_appeared (GDBusConnection *connection,
+			  const gchar     *name,
+			  const gchar     *name_owner,
+			  gpointer         data)
+{
+	audio_selection_conn = connection;
+	audio_selection_signal_id =
+		g_dbus_connection_signal_subscribe (connection,
+						    AUDIO_SELECTION_DBUS_NAME,
+						    AUDIO_SELECTION_DBUS_INTERFACE,
+						    "DeviceSelected",
+						    AUDIO_SELECTION_DBUS_PATH,
+						    NULL,
+						    G_DBUS_SIGNAL_FLAGS_NONE,
+						    audio_selection_done,
+						    NULL,
+						    NULL);
+	update_ask_button ();
+}
+
+static void
+audio_selection_vanished (GDBusConnection *connection,
+			  const gchar     *name,
+			  gpointer         data)
+{
+	if (audio_selection_signal_id)
+		g_dbus_connection_signal_unsubscribe (audio_selection_conn,
+						      audio_selection_signal_id);
+	audio_selection_signal_id = 0;
+	audio_selection_conn = NULL;
+	update_ask_button ();
+}
+
+static void
+watch_gnome_shell (void)
+{
+	audio_selection_watch_id =
+		g_bus_watch_name (G_BUS_TYPE_SESSION,
+				  AUDIO_SELECTION_DBUS_NAME,
+				  G_BUS_NAME_WATCHER_FLAGS_NONE,
+				  audio_selection_appeared,
+				  audio_selection_vanished,
+				  NULL,
+				  NULL);
+}
+
+static void
+check_buttons_changed (GtkToggleButton *button,
+		       gpointer         user_data)
+{
+	update_ask_button ();
+}
+
+static void
+button_clicked (GtkButton *button,
+		gpointer   user_data)
+{
+	guint choices = 0;
+
+	gtk_label_set_text (GTK_LABEL (label), "");
+
+	if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (check_headphones)))
+		choices |= GVC_HEADSET_PORT_CHOICE_HEADPHONES;
+	if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (check_headset)))
+		choices |= GVC_HEADSET_PORT_CHOICE_HEADSET;
+	if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (check_micro)))
+		choices |= GVC_HEADSET_PORT_CHOICE_MIC;
+
+	audio_selection_needed (choices);
+}
+
+static void
+setup_ui (void)
+{
+	GtkWidget *window;
+	GtkWidget *box;
+
+	window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+	g_signal_connect (GTK_WINDOW (window), "delete-event",
+			  G_CALLBACK (gtk_main_quit), NULL);
+	box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 8);
+	gtk_container_add (GTK_CONTAINER (window), box);
+
+	check_headphones = gtk_check_button_new_with_label ("Headphones");
+	g_signal_connect (check_headphones, "toggled",
+			  G_CALLBACK (check_buttons_changed), NULL);
+	gtk_container_add (GTK_CONTAINER (box), check_headphones);
+
+	check_headset = gtk_check_button_new_with_label ("Headset");
+	g_signal_connect (check_headset, "toggled",
+			  G_CALLBACK (check_buttons_changed), NULL);
+	gtk_container_add (GTK_CONTAINER (box), check_headset);
+
+	check_micro = gtk_check_button_new_with_label ("Microphone");
+	g_signal_connect (check_micro, "toggled",
+			  G_CALLBACK (check_buttons_changed), NULL);
+	gtk_container_add (GTK_CONTAINER (box), check_micro);
+
+	button = gtk_button_new_with_label ("Ask!");
+	g_signal_connect (button, "clicked",
+			  G_CALLBACK (button_clicked), NULL);
+	gtk_container_add (GTK_CONTAINER (box), button);
+	gtk_widget_set_sensitive (GTK_WIDGET (button), FALSE);
+
+	label = gtk_label_new ("");
+	gtk_container_add (GTK_CONTAINER (box), label);
+
+	gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (check_headphones), TRUE);
+	gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (check_headset), TRUE);
+	gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (check_micro), TRUE);
+
+	gtk_widget_show_all (window);
+}
+
+int main (int argc, char **argv)
+{
+	gtk_init (&argc, &argv);
+
+	setup_ui ();
+	watch_gnome_shell ();
+
+	gtk_main ();
+
+	return 0;
+}