/*
* 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 <libempathy/empathy-camera-monitor.h>
#include <libempathy/empathy-gsettings.h>
#include "empathy-camera-menu.h"
#define DEBUG_FLAG EMPATHY_DEBUG_VOIP
#include <libempathy/empathy-debug.h>
struct _EmpathyCameraMenuPrivate
{
/* 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 cameras 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 *cameras;
EmpathyCameraMonitor *camera_monitor;
GSettings *settings;
};
G_DEFINE_TYPE (EmpathyCameraMenu, empathy_camera_menu, G_TYPE_OBJECT);
enum
{
PROP_WINDOW = 1,
};
static void empathy_camera_menu_update (EmpathyCameraMenu *self);
static void
empathy_camera_menu_init (EmpathyCameraMenu *self)
{
self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
EMPATHY_TYPE_CAMERA_MENU, EmpathyCameraMenuPrivate);
}
static void
empathy_camera_menu_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
EmpathyCameraMenu *self = EMPATHY_CAMERA_MENU (object);
switch (property_id)
{
case PROP_WINDOW:
self->priv->window = g_value_get_object (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
empathy_camera_menu_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
EmpathyCameraMenu *self = EMPATHY_CAMERA_MENU (object);
switch (property_id)
{
case PROP_WINDOW:
g_value_set_object (value, self->priv->window);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
empathy_camera_menu_clean (EmpathyCameraMenu *self)
{
GtkUIManager *ui_manager;
if (self->priv->ui_id == 0)
return;
ui_manager = empathy_call_window_get_ui_manager (self->priv->window);
gtk_ui_manager_remove_ui (ui_manager, self->priv->ui_id);
gtk_ui_manager_ensure_update (ui_manager);
self->priv->ui_id = 0;
}
static void
empathy_camera_menu_activate_cb (GtkAction *action,
EmpathyCameraMenu *self)
{
EmpathyGstVideoSrc *video;
const gchar *device;
if (self->priv->in_update)
return;
video = empathy_call_window_get_video_src (self->priv->window);
device = gtk_action_get_name (action);
empathy_video_src_change_device (video, device);
}
static void
empathy_camera_menu_update (EmpathyCameraMenu *self)
{
GList *l;
GtkUIManager *ui_manager;
EmpathyGstVideoSrc *video;
gchar *current_camera;
ui_manager = empathy_call_window_get_ui_manager (self->priv->window);
video = empathy_call_window_get_video_src (self->priv->window);
current_camera = empathy_video_src_dup_device (video);
empathy_camera_menu_clean (self);
self->priv->ui_id = gtk_ui_manager_new_merge_id (ui_manager);
for (l = self->priv->cameras->head; l != NULL; l = g_list_next (l))
{
GtkRadioAction *action = l->data;
const gchar *name = gtk_action_get_name (GTK_ACTION (action));
if (!tp_strdiff (current_camera, name))
{
self->priv->in_update = TRUE;
gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (action), TRUE);
self->priv->in_update = FALSE;
}
gtk_ui_manager_add_ui (ui_manager, self->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/menucamera",
name, name, GTK_UI_MANAGER_MENUITEM, FALSE);
}
g_free (current_camera);
}
static void
empathy_camera_menu_add_camera (EmpathyCameraMenu *self,
EmpathyCamera *camera)
{
GtkRadioAction *action;
GSList *group;
action = gtk_radio_action_new (camera->device, camera->name, NULL, NULL, 0);
gtk_action_group_add_action (self->priv->action_group, GTK_ACTION (action));
group = gtk_radio_action_get_group (
GTK_RADIO_ACTION (self->priv->anchor_action));
gtk_radio_action_set_group (GTK_RADIO_ACTION (action), group);
g_queue_push_tail (self->priv->cameras, action);
g_signal_connect (action, "activate",
G_CALLBACK (empathy_camera_menu_activate_cb), self);
}
static void
empathy_camera_menu_camera_added_cb (EmpathyCameraMonitor *monitor,
EmpathyCamera *camera,
EmpathyCameraMenu *self)
{
empathy_camera_menu_add_camera (self, camera);
empathy_camera_menu_update (self);
}
static void
empathy_camera_menu_camera_removed_cb (EmpathyCameraMonitor *monitor,
EmpathyCamera *camera,
EmpathyCameraMenu *self)
{
GList *l;
for (l = self->priv->cameras->head; l != NULL; l = g_list_next (l))
{
GtkAction *action = l->data;
const gchar *device;
device = gtk_action_get_name (action);
if (tp_strdiff (device, camera->device))
continue;
g_signal_handlers_disconnect_by_func (action,
G_CALLBACK (empathy_camera_menu_activate_cb), self);
gtk_action_group_remove_action (self->priv->action_group,
action);
g_queue_remove (self->priv->cameras, action);
break;
}
empathy_camera_menu_update (self);
}
static void
empathy_camera_menu_prefs_camera_changed_cb (GSettings *settings,
gchar *key,
EmpathyCameraMenu *self)
{
gchar *device = g_settings_get_string (settings, key);
GtkRadioAction *action = NULL;
gboolean found = FALSE;
GList *l;
for (l = self->priv->cameras->head; l != NULL; l = g_list_next (l))
{
const gchar *name;
action = l->data;
name = gtk_action_get_name (GTK_ACTION (action));
if (!tp_strdiff (device, name))
{
found = TRUE;
break;
}
}
/* If the selected camera isn't found, we connect the first
* available one */
if (!found && self->priv->cameras->head != NULL)
action = self->priv->cameras->head->data;
if (action != NULL &&
!gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (action)))
{
g_signal_handlers_block_by_func (settings,
empathy_camera_menu_prefs_camera_changed_cb, self);
gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (action), TRUE);
g_signal_handlers_unblock_by_func (settings,
empathy_camera_menu_prefs_camera_changed_cb, self);
}
g_free (device);
}
static void
empathy_camera_menu_get_cameras (EmpathyCameraMenu *self)
{
const GList *cameras;
cameras = empathy_camera_monitor_get_cameras (self->priv->camera_monitor);
for (; cameras != NULL; cameras = g_list_next (cameras))
{
EmpathyCamera *camera = cameras->data;
empathy_camera_menu_add_camera (self, camera);
}
empathy_camera_menu_update (self);
/* Do as if the gsettings key had changed, so we select the key that
* was last set. */
empathy_camera_menu_prefs_camera_changed_cb (self->priv->settings,
EMPATHY_PREFS_CALL_CAMERA_DEVICE, self);
}
static void
empathy_camera_menu_constructed (GObject *obj)
{
EmpathyCameraMenu *self = EMPATHY_CAMERA_MENU (obj);
GtkUIManager *ui_manager;
g_assert (EMPATHY_IS_CALL_WINDOW (self->priv->window));
ui_manager = empathy_call_window_get_ui_manager (self->priv->window);
g_assert (GTK_IS_UI_MANAGER (ui_manager));
/* Okay let's go go go. */
self->priv->action_group = gtk_action_group_new ("EmpathyCameraMenu");
gtk_ui_manager_insert_action_group (ui_manager, self->priv->action_group, -1);
/* the UI manager now owns this */
g_object_unref (self->priv->action_group);
self->priv->anchor_action = g_object_new (GTK_TYPE_RADIO_ACTION,
"name", "EmpathyCameraMenuAnchorAction",
NULL);
gtk_action_group_add_action (self->priv->action_group,
self->priv->anchor_action);
g_object_unref (self->priv->anchor_action);
self->priv->camera_monitor = empathy_camera_monitor_new ();
tp_g_signal_connect_object (self->priv->camera_monitor, "added",
G_CALLBACK (empathy_camera_menu_camera_added_cb), self, 0);
tp_g_signal_connect_object (self->priv->camera_monitor, "removed",
G_CALLBACK (empathy_camera_menu_camera_removed_cb), self, 0);
self->priv->settings = g_settings_new (EMPATHY_PREFS_CALL_SCHEMA);
g_signal_connect (self->priv->settings,
"changed::"EMPATHY_PREFS_CALL_CAMERA_DEVICE,
G_CALLBACK (empathy_camera_menu_prefs_camera_changed_cb), self);
self->priv->cameras = g_queue_new ();
empathy_camera_menu_get_cameras (self);
}
static void
empathy_camera_menu_dispose (GObject *obj)
{
EmpathyCameraMenu *self = EMPATHY_CAMERA_MENU (obj);
tp_clear_pointer (&self->priv->cameras, g_queue_free);
tp_clear_object (&self->priv->camera_monitor);
tp_clear_object (&self->priv->settings);
G_OBJECT_CLASS (empathy_camera_menu_parent_class)->dispose (obj);
}
static void
empathy_camera_menu_class_init (EmpathyCameraMenuClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->set_property = empathy_camera_menu_set_property;
object_class->get_property = empathy_camera_menu_get_property;
object_class->constructed = empathy_camera_menu_constructed;
object_class->dispose = empathy_camera_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 (EmpathyCameraMenuPrivate));
}
EmpathyCameraMenu *
empathy_camera_menu_new (EmpathyCallWindow *window)
{
return g_object_new (EMPATHY_TYPE_CAMERA_MENU,
"window", window,
NULL);
}
