/*
* Copyright (C) 2011 Collabora Ltd.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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 Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* GtkAction code based on gnome-terminal's TerminalTabsMenu object.
* Thanks guys!
*/
#include <config.h>
#include <gtk/gtk.h>
#include "empathy-mic-menu.h"
#include "empathy-mic-monitor.h"
#define DEBUG_FLAG EMPATHY_DEBUG_VOIP
#include <libempathy/empathy-debug.h>
struct _EmpathyMicMenuPrivate
{
/* Borrowed ref; the call window actually owns us. */
EmpathyCallWindow *window;
/* Given away ref; the call window's UI manager now owns this. */
GtkActionGroup *action_group;
/* An invisible radio action so new microphones are always in the
* same radio group. */
GtkAction *anchor_action;
/* The merge ID used with the UI manager. We need to keep this
* around so in _clean we can remove all the items we've added
* before and start again. */
guint ui_id;
/* TRUE if we're in _update and so calling _set_active. */
gboolean in_update;
/* Queue of GtkRadioActions. */
GQueue *microphones;
EmpathyMicMonitor *mic_monitor;
};
G_DEFINE_TYPE (EmpathyMicMenu, empathy_mic_menu, G_TYPE_OBJECT);
#define MONITOR_KEY "empathy-mic-menu-is-monitor"
enum
{
PROP_WINDOW = 1,
};
static void empathy_mic_menu_update (EmpathyMicMenu *self);
static void
empathy_mic_menu_init (EmpathyMicMenu *self)
{
EmpathyMicMenuPrivate *priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
EMPATHY_TYPE_MIC_MENU, EmpathyMicMenuPrivate);
self->priv = priv;
}
static void
empathy_mic_menu_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
EmpathyMicMenu *self = EMPATHY_MIC_MENU (object);
EmpathyMicMenuPrivate *priv = self->priv;
switch (property_id)
{
case PROP_WINDOW:
priv->window = g_value_get_object (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
empathy_mic_menu_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
EmpathyMicMenu *self = EMPATHY_MIC_MENU (object);
EmpathyMicMenuPrivate *priv = self->priv;
switch (property_id)
{
case PROP_WINDOW:
g_value_set_object (value, priv->window);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
empathy_mic_menu_clean (EmpathyMicMenu *self)
{
EmpathyMicMenuPrivate *priv = self->priv;
GtkUIManager *ui_manager;
if (priv->ui_id == 0)
return;
ui_manager = empathy_call_window_get_ui_manager (priv->window);
gtk_ui_manager_remove_ui (ui_manager, priv->ui_id);
gtk_ui_manager_ensure_update (ui_manager);
priv->ui_id = 0;
}
static void
empathy_mic_menu_change_mic_cb (GObject *source_object,
GAsyncResult *result,
gpointer user_data)
{
EmpathyGstAudioSrc *audio = EMPATHY_GST_AUDIO_SRC (source_object);
EmpathyMicMenu *self = user_data;
GError *error = NULL;
if (!empathy_audio_src_change_microphone_finish (audio, result, &error))
{
DEBUG ("Failed to change microphone: %s", error->message);
g_clear_error (&error);
/* We call update here because if this change operation failed
* and we don't update the menu items, it'll point to the wrong
* device. We don't want to call it if the change was successful
* because we'll get the notify::microphone signal fired in a
* bit and the current value hasn't changed so it'd keep jumping
* between these values like there's no tomorrow, etc. */
empathy_mic_menu_update (self);
}
}
static void
empathy_mic_menu_activate_cb (GtkToggleAction *action,
EmpathyMicMenu *self)
{
EmpathyMicMenuPrivate *priv = self->priv;
EmpathyGstAudioSrc *audio;
gint value;
if (priv->in_update)
return;
audio = empathy_call_window_get_audio_src (priv->window);
g_object_get (action, "value", &value, NULL);
empathy_audio_src_change_microphone_async (audio, value,
empathy_mic_menu_change_mic_cb, self);
}
static void
empathy_mic_menu_update (EmpathyMicMenu *self)
{
EmpathyMicMenuPrivate *priv = self->priv;
GList *l;
GtkUIManager *ui_manager;
EmpathyGstAudioSrc *audio;
guint current_mic;
ui_manager = empathy_call_window_get_ui_manager (priv->window);
audio = empathy_call_window_get_audio_src (priv->window);
current_mic = empathy_audio_src_get_microphone (audio);
empathy_mic_menu_clean (self);
priv->ui_id = gtk_ui_manager_new_merge_id (ui_manager);
for (l = priv->microphones->head; l != NULL; l = l->next)
{
GtkRadioAction *action = l->data;
const gchar *name = gtk_action_get_name (GTK_ACTION (action));
gint value;
gboolean active;
g_object_get (action, "value", &value, NULL);
active = (value == (gint) current_mic);
if (active)
{
priv->in_update = TRUE;
gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (action), TRUE);
priv->in_update = FALSE;
}
/* If action is a monitor then don't show it in the UI, BUT do
* display it regardless if it is the current device. This is so
* we don't have a rubbish UI by showing monitor devices in
* Empathy, but still show the correct device when someone plays
* with pavucontrol. */
if (g_object_get_data (G_OBJECT (action), MONITOR_KEY) != NULL
&& !active)
continue;
gtk_ui_manager_add_ui (ui_manager, priv->ui_id,
/* TODO: this should probably be passed from the call
* window, seeing that it's a reference to
* empathy-call-window.ui. */
"/menubar1/edit/menumicrophone",
name, name, GTK_UI_MANAGER_MENUITEM, FALSE);
}
}
static void
empathy_mic_menu_add_microphone (EmpathyMicMenu *self,
const gchar *name,
const gchar *description,
guint source_idx,
gboolean is_monitor)
{
EmpathyMicMenuPrivate *priv = self->priv;
GtkRadioAction *action;
GSList *group;
action = gtk_radio_action_new (name, description, NULL, NULL, source_idx);
gtk_action_group_add_action_with_accel (priv->action_group,
GTK_ACTION (action), NULL);
/* Set MONITOR_KEY on the action to non-NULL if it's a monitor
* because we don't want to show monitors if we can help it. */
if (is_monitor)
{
g_object_set_data (G_OBJECT (action), MONITOR_KEY,
GUINT_TO_POINTER (TRUE));
}
group = gtk_radio_action_get_group (GTK_RADIO_ACTION (priv->anchor_action));
gtk_radio_action_set_group (GTK_RADIO_ACTION (action), group);
g_queue_push_tail (priv->microphones, action);
g_signal_connect (action, "activate",
G_CALLBACK (empathy_mic_menu_activate_cb), self);
}
static void
empathy_mic_menu_notify_microphone_cb (EmpathyGstAudioSrc *audio,
GParamSpec *pspec,
EmpathyMicMenu *self)
{
empathy_mic_menu_update (self);
}
static void
empathy_mic_menu_microphone_added_cb (EmpathyMicMonitor *monitor,
guint source_idx,
const gchar *name,
const gchar *description,
gboolean is_monitor,
EmpathyMicMenu *self)
{
empathy_mic_menu_add_microphone (self, name, description,
source_idx, is_monitor);
empathy_mic_menu_update (self);
}
static void
empathy_mic_menu_microphone_removed_cb (EmpathyMicMonitor *monitor,
guint source_idx,
EmpathyMicMenu *self)
{
EmpathyMicMenuPrivate *priv = self->priv;
GList *l;
for (l = priv->microphones->head; l != NULL; l = l->next)
{
GtkRadioAction *action = l->data;
gint value;
g_object_get (action, "value", &value, NULL);
if (value != (gint) source_idx)
{
action = NULL;
continue;
}
g_signal_handlers_disconnect_by_func (action,
G_CALLBACK (empathy_mic_menu_activate_cb), self);
gtk_action_group_remove_action (priv->action_group, GTK_ACTION (action));
g_queue_remove (priv->microphones, action);
break;
}
empathy_mic_menu_update (self);
}
static void
empathy_mic_menu_list_microphones_cb (GObject *source_object,
GAsyncResult *result,
gpointer user_data)
{
EmpathyMicMonitor *monitor = EMPATHY_MIC_MONITOR (source_object);
EmpathyMicMenu *self = user_data;
GError *error = NULL;
const GList *mics = NULL;
mics = empathy_mic_monitor_list_microphones_finish (monitor, result, &error);
if (error != NULL)
{
DEBUG ("Failed to get microphone list: %s", error->message);
g_clear_error (&error);
return;
}
for (; mics != NULL; mics = mics->next)
{
EmpathyMicrophone *mic = mics->data;
empathy_mic_menu_add_microphone (self, mic->name,
mic->description, mic->index, mic->is_monitor);
}
empathy_mic_menu_update (self);
}
static void
empathy_mic_menu_constructed (GObject *obj)
{
EmpathyMicMenu *self = EMPATHY_MIC_MENU (obj);
EmpathyMicMenuPrivate *priv = self->priv;
GtkUIManager *ui_manager;
EmpathyGstAudioSrc *audio;
g_assert (EMPATHY_IS_CALL_WINDOW (priv->window));
ui_manager = empathy_call_window_get_ui_manager (priv->window);
audio = empathy_call_window_get_audio_src (priv->window);
g_assert (GTK_IS_UI_MANAGER (ui_manager));
g_assert (EMPATHY_IS_GST_AUDIO_SRC (audio));
/* Okay let's go go go. */
priv->mic_monitor = empathy_mic_monitor_new ();
priv->action_group = gtk_action_group_new ("EmpathyMicMenu");
gtk_ui_manager_insert_action_group (ui_manager, priv->action_group, -1);
/* the UI manager now owns this */
g_object_unref (priv->action_group);
priv->anchor_action = g_object_new (GTK_TYPE_RADIO_ACTION,
"name", "EmpathyMicMenuAnchorAction",
NULL);
gtk_action_group_add_action (priv->action_group, priv->anchor_action);
g_object_unref (priv->anchor_action);
priv->microphones = g_queue_new ();
/* Don't bother with any of this if we don't support changing
* microphone, so don't listen for microphone changes or enumerate
* the available microphones. */
if (!empathy_audio_src_supports_changing_mic (audio))
return;
tp_g_signal_connect_object (audio, "notify::microphone",
G_CALLBACK (empathy_mic_menu_notify_microphone_cb), self, 0);
tp_g_signal_connect_object (priv->mic_monitor, "microphone-added",
G_CALLBACK (empathy_mic_menu_microphone_added_cb), self, 0);
tp_g_signal_connect_object (priv->mic_monitor, "microphone-removed",
G_CALLBACK (empathy_mic_menu_microphone_removed_cb), self, 0);
empathy_mic_monitor_list_microphones_async (priv->mic_monitor,
empathy_mic_menu_list_microphones_cb, self);
}
static void
empathy_mic_menu_dispose (GObject *obj)
{
EmpathyMicMenu *self = EMPATHY_MIC_MENU (obj);
EmpathyMicMenuPrivate *priv = self->priv;
if (priv->microphones != NULL)
g_queue_free (priv->microphones);
priv->microphones = NULL;
tp_clear_object (&priv->mic_monitor);
G_OBJECT_CLASS (empathy_mic_menu_parent_class)->dispose (obj);
}
static void
empathy_mic_menu_class_init (EmpathyMicMenuClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->set_property = empathy_mic_menu_set_property;
object_class->get_property = empathy_mic_menu_get_property;
object_class->constructed = empathy_mic_menu_constructed;
object_class->dispose = empathy_mic_menu_dispose;
g_object_class_install_property (object_class, PROP_WINDOW,
g_param_spec_object ("window", "window", "window",
EMPATHY_TYPE_CALL_WINDOW,
G_PARAM_WRITABLE | G_PARAM_STATIC_STRINGS | G_PARAM_CONSTRUCT_ONLY));
g_type_class_add_private (object_class, sizeof (EmpathyMicMenuPrivate));
}
EmpathyMicMenu *
empathy_mic_menu_new (EmpathyCallWindow *window)
{
return g_object_new (EMPATHY_TYPE_MIC_MENU,
"window", window,
NULL);
}
