/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
 * Copyright (C) 2002-2007 Imendio AB
 * Copyright (C) 2007-2008 Collabora 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
 * 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., 51 Franklin St, Fifth Floor,
 * Boston, MA  02110-1301  USA
 *
 * Authors: Xavier Claessens <xclaesse@gmail.com>
 */

#include <config.h>

#include <sys/stat.h>
#include <gtk/gtk.h>
#include <glib/gi18n.h>

#include <telepathy-glib/account-manager.h>

#include <libempathy/empathy-contact.h>
#include <libempathy/empathy-idle.h>
#include <libempathy/empathy-utils.h>
#include <libempathy/empathy-dispatcher.h>
#include <libempathy/empathy-chatroom-manager.h>
#include <libempathy/empathy-chatroom.h>
#include <libempathy/empathy-contact-list.h>
#include <libempathy/empathy-contact-manager.h>
#include <libempathy/empathy-status-presets.h>

#include <libempathy-gtk/empathy-conf.h>
#include <libempathy-gtk/empathy-contact-dialogs.h>
#include <libempathy-gtk/empathy-contact-list-store.h>
#include <libempathy-gtk/empathy-contact-list-view.h>
#include <libempathy-gtk/empathy-geometry.h>
#include <libempathy-gtk/empathy-gtk-enum-types.h>
#include <libempathy-gtk/empathy-new-message-dialog.h>
#include <libempathy-gtk/empathy-new-call-dialog.h>
#include <libempathy-gtk/empathy-log-window.h>
#include <libempathy-gtk/empathy-presence-chooser.h>
#include <libempathy-gtk/empathy-sound.h>
#include <libempathy-gtk/empathy-ui-utils.h>

#include "empathy-accounts-dialog.h"
#include "empathy-main-window.h"
#include "ephy-spinner.h"
#include "empathy-preferences.h"
#include "empathy-about-dialog.h"
#include "empathy-debug-window.h"
#include "empathy-new-chatroom-dialog.h"
#include "empathy-map-view.h"
#include "empathy-chatrooms-window.h"
#include "empathy-event-manager.h"
#include "empathy-ft-manager.h"

#define DEBUG_FLAG EMPATHY_DEBUG_OTHER
#include <libempathy/empathy-debug.h>

/* Flashing delay for icons (milliseconds). */
#define FLASH_TIMEOUT 500

/* Minimum width of roster window if something goes wrong. */
#define MIN_WIDTH 50

/* Accels (menu shortcuts) can be configured and saved */
#define ACCELS_FILENAME "accels.txt"

/* Name in the geometry file */
#define GEOMETRY_NAME "main-window"

typedef struct {
	EmpathyContactListView  *list_view;
	EmpathyContactListStore *list_store;
	TpAccountManager        *account_manager;
	EmpathyChatroomManager  *chatroom_manager;
	EmpathyEventManager     *event_manager;
	guint                    flash_timeout_id;
	gboolean                 flash_on;

	GtkWidget              *window;
	GtkWidget              *main_vbox;
	GtkWidget              *throbber;
	GtkWidget              *presence_toolbar;
	GtkWidget              *presence_chooser;
	GtkWidget              *errors_vbox;

	GtkToggleAction        *show_protocols;
	GtkRadioAction         *sort_by_name;
	GtkRadioAction         *sort_by_status;
	GtkRadioAction         *normal_with_avatars;
	GtkRadioAction         *normal_size;
	GtkRadioAction         *compact_size;

	GtkUIManager           *ui_manager;
	GtkAction              *view_history;
	GtkAction              *room_join_favorites;
	GtkWidget              *room_menu;
	GtkWidget              *room_separator;
	GtkWidget              *edit_context;
	GtkWidget              *edit_context_separator;

	guint                   size_timeout_id;
	GHashTable             *errors;

	/* stores a mapping from TpAccount to Handler ID to prevent
	 * to listen more than once to the status-changed signal */
	GHashTable             *status_changed_handlers;

	/* Actions that are enabled when there are connected accounts */
	GList                  *actions_connected;
} EmpathyMainWindow;

static EmpathyMainWindow *main_window = NULL;

static void
main_window_flash_stop (EmpathyMainWindow *window)
{
	if (window->flash_timeout_id == 0) {
		return;
	}

	DEBUG ("Stop flashing");
	g_source_remove (window->flash_timeout_id);
	window->flash_timeout_id = 0;
	window->flash_on = FALSE;
}

typedef struct {
	EmpathyEvent       *event;
	gboolean            on;
	EmpathyMainWindow  *window;
} FlashForeachData;

static gboolean
main_window_flash_foreach (GtkTreeModel *model,
			   GtkTreePath  *path,
			   GtkTreeIter  *iter,
			   gpointer      user_data)
{
	FlashForeachData *data = (FlashForeachData *) user_data;
	EmpathyContact   *contact;
	const gchar      *icon_name;
	GtkTreePath      *parent_path = NULL;
	GtkTreeIter       parent_iter;
	GdkPixbuf        *pixbuf = NULL;

	/* To be used with gtk_tree_model_foreach, update the status icon
	 * of the contact to show the event icon (on=TRUE) or the presence
	 * (on=FALSE) */
	gtk_tree_model_get (model, iter,
			    EMPATHY_CONTACT_LIST_STORE_COL_CONTACT, &contact,
			    -1);

	if (contact != data->event->contact) {
		if (contact) {
			g_object_unref (contact);
		}
		return FALSE;
	}

	if (data->on) {
		icon_name = data->event->icon_name;
		pixbuf = empathy_pixbuf_from_icon_name (icon_name, GTK_ICON_SIZE_MENU);
	} else {
		pixbuf = contact_list_store_get_contact_status_icon (
						data->window->list_store,
						contact);
	}

	gtk_tree_store_set (GTK_TREE_STORE (model), iter,
			    EMPATHY_CONTACT_LIST_STORE_COL_ICON_STATUS, pixbuf,
			    -1);

	/* To make sure the parent is shown correctly, we emit
	 * the row-changed signal on the parent so it prompts
	 * it to be refreshed by the filter func.
	 */
	if (gtk_tree_model_iter_parent (model, &parent_iter, iter)) {
		parent_path = gtk_tree_model_get_path (model, &parent_iter);
	}
	if (parent_path) {
		gtk_tree_model_row_changed (model, parent_path, &parent_iter);
		gtk_tree_path_free (parent_path);
	}

	g_object_unref (contact);

	return FALSE;
}

static gboolean
main_window_flash_cb (EmpathyMainWindow *window)
{
	GtkTreeModel     *model;
	GSList           *events, *l;
	gboolean          found_event = FALSE;
	FlashForeachData  data;

	window->flash_on = !window->flash_on;
	data.on = window->flash_on;
	model = GTK_TREE_MODEL (window->list_store);

	events = empathy_event_manager_get_events (window->event_manager);
	for (l = events; l; l = l->next) {
		data.event = l->data;
		data.window = window;
		if (!data.event->contact || !data.event->must_ack) {
			continue;
		}

		found_event = TRUE;
		gtk_tree_model_foreach (model,
					main_window_flash_foreach,
					&data);
	}

	if (!found_event) {
		main_window_flash_stop (window);
	}

	return TRUE;
}

static void
main_window_flash_start (EmpathyMainWindow *window)
{
	if (window->flash_timeout_id != 0) {
		return;
	}

	DEBUG ("Start flashing");
	window->flash_timeout_id = g_timeout_add (FLASH_TIMEOUT,
						  (GSourceFunc) main_window_flash_cb,
						  window);
	main_window_flash_cb (window);
}

static void
main_window_event_added_cb (EmpathyEventManager *manager,
			    EmpathyEvent        *event,
			    EmpathyMainWindow   *window)
{
	if (event->contact) {
		main_window_flash_start (window);
	}
}

static void
main_window_event_removed_cb (EmpathyEventManager *manager,
			      EmpathyEvent        *event,
			      EmpathyMainWindow   *window)
{
	FlashForeachData data;

	if (!event->contact) {
		return;
	}

	data.on = FALSE;
	data.event = event;
	data.window = window;
	gtk_tree_model_foreach (GTK_TREE_MODEL (window->list_store),
				main_window_flash_foreach,
				&data);
}

static void
main_window_row_activated_cb (EmpathyContactListView *view,
			      GtkTreePath            *path,
			      GtkTreeViewColumn      *col,
			      EmpathyMainWindow      *window)
{
	EmpathyContact *contact;
	GtkTreeModel   *model;
	GtkTreeIter     iter;
	GSList         *events, *l;

	model = GTK_TREE_MODEL (window->list_store);
	gtk_tree_model_get_iter (model, &iter, path);
	gtk_tree_model_get (model, &iter,
			    EMPATHY_CONTACT_LIST_STORE_COL_CONTACT, &contact,
			    -1);

	if (!contact) {
		return;
	}

	/* If the contact has an event activate it, otherwise the
	 * default handler of row-activated will be called. */
	events = empathy_event_manager_get_events (window->event_manager);
	for (l = events; l; l = l->next) {
		EmpathyEvent *event = l->data;

		if (event->contact == contact) {
			DEBUG ("Activate event");
			empathy_event_activate (event);

			/* We don't want the default handler of this signal
			 * (e.g. open a chat) */
			g_signal_stop_emission_by_name (view, "row-activated");
			break;
		}
	}

	g_object_unref (contact);
}

static void
main_window_remove_error (EmpathyMainWindow *window,
			  TpAccount *account)
{
	GtkWidget *error_widget;

	error_widget = g_hash_table_lookup (window->errors, account);
	if (error_widget != NULL) {
		gtk_widget_destroy (error_widget);
		g_hash_table_remove (window->errors, account);
	}
}

static void
main_window_account_disabled_cb (TpAccountManager *manager,
				 TpAccount *account,
				 EmpathyMainWindow *window)
{
	main_window_remove_error (window, account);
}

static void
main_window_error_retry_clicked_cb (GtkButton *button,
				    EmpathyMainWindow *window)
{
	TpAccount *account;

	account = g_object_get_data (G_OBJECT (button), "account");
	tp_account_reconnect_async (account, NULL, NULL);

	main_window_remove_error (window, account);
}

static void
main_window_error_edit_clicked_cb (GtkButton *button,
				   EmpathyMainWindow *window)
{
	TpAccount *account;

	account = g_object_get_data (G_OBJECT (button), "account");
	empathy_accounts_dialog_show (GTK_WINDOW (window->window), account);

	main_window_remove_error (window, account);
}

static void
main_window_error_close_clicked_cb (GtkButton *button,
				    EmpathyMainWindow *window)
{
	TpAccount *account;

	account = g_object_get_data (G_OBJECT (button), "account");
	main_window_remove_error (window, account);
}

static void
main_window_error_display (EmpathyMainWindow *window,
			   TpAccount         *account,
			   const gchar       *message)
{
	GtkWidget *info_bar;
	GtkWidget *content_area;
	GtkWidget *label;
	GtkWidget *image;
	GtkWidget *retry_button;
	GtkWidget *edit_button;
	GtkWidget *close_button;
	GtkWidget *action_area;
	GtkWidget *action_table;
	GtkRcStyle *rc_style;
	gchar     *str;
	const gchar     *icon_name;

	str = g_markup_printf_escaped ("<b>%s</b>\n%s",
					       tp_account_get_display_name (account),
					       message);

	info_bar = g_hash_table_lookup (window->errors, account);
	if (info_bar) {
		label = g_object_get_data (G_OBJECT (info_bar), "label");

		/* Just set the latest error and return */
		gtk_label_set_markup (GTK_LABEL (label), str);
		g_free (str);

		return;
	}

	info_bar = gtk_info_bar_new ();
	gtk_info_bar_set_message_type (GTK_INFO_BAR (info_bar), GTK_MESSAGE_WARNING);

	gtk_widget_set_no_show_all (info_bar, TRUE);
	gtk_box_pack_start (GTK_BOX (window->errors_vbox), info_bar, FALSE, TRUE, 0);
	gtk_widget_show (info_bar);

	icon_name = tp_account_get_icon_name (account);
	image = gtk_image_new_from_icon_name (icon_name, GTK_ICON_SIZE_SMALL_TOOLBAR);
	gtk_widget_show (image);

	label = gtk_label_new (str);
	gtk_label_set_use_markup (GTK_LABEL (label), TRUE);
	gtk_widget_show (label);
	g_free (str);

	content_area = gtk_info_bar_get_content_area (GTK_INFO_BAR (info_bar));
	gtk_box_pack_start (GTK_BOX (content_area), image, FALSE, FALSE, 0);
	gtk_box_pack_start (GTK_BOX (content_area), label, FALSE, FALSE, 0);

	/* make small style for the buttons */
	rc_style = gtk_rc_style_new ();
	rc_style->xthickness = rc_style->ythickness = 4;

	image = gtk_image_new_from_stock (GTK_STOCK_REFRESH, GTK_ICON_SIZE_BUTTON);
	retry_button = gtk_button_new ();
	gtk_button_set_image (GTK_BUTTON (retry_button), image);
	gtk_widget_modify_style (retry_button, rc_style);
	gtk_widget_set_tooltip_text (retry_button, _("Reconnect"));
	gtk_widget_show (retry_button);

	image = gtk_image_new_from_stock (GTK_STOCK_EDIT, GTK_ICON_SIZE_BUTTON);
	edit_button = gtk_button_new ();
	gtk_button_set_image (GTK_BUTTON (edit_button), image);
	gtk_widget_modify_style (edit_button, rc_style);
	gtk_widget_set_tooltip_text (edit_button, _("Edit Account"));
	gtk_widget_show (edit_button);

	image = gtk_image_new_from_stock (GTK_STOCK_CLOSE, GTK_ICON_SIZE_BUTTON);
	close_button = gtk_button_new ();
	gtk_button_set_image (GTK_BUTTON (close_button), image);
	gtk_widget_modify_style (close_button, rc_style);
	gtk_widget_set_tooltip_text (close_button, _("Close"));
	gtk_widget_show (close_button);

	action_table = gtk_table_new (1, 3, FALSE);
	gtk_table_set_col_spacings (GTK_TABLE (action_table), 2);
	gtk_widget_show (action_table);

	action_area = gtk_info_bar_get_action_area (GTK_INFO_BAR (info_bar));
	gtk_box_pack_start (GTK_BOX (action_area), action_table, FALSE, FALSE, 0);

	gtk_table_attach (GTK_TABLE (action_table), retry_button, 0, 1, 0, 1,
										(GtkAttachOptions) (GTK_SHRINK),
										(GtkAttachOptions) (GTK_SHRINK), 0, 0);
	gtk_table_attach (GTK_TABLE (action_table), edit_button, 1, 2, 0, 1,
										(GtkAttachOptions) (GTK_SHRINK),
										(GtkAttachOptions) (GTK_SHRINK), 0, 0);
	gtk_table_attach (GTK_TABLE (action_table), close_button, 2, 3, 0, 1,
										(GtkAttachOptions) (GTK_SHRINK),
										(GtkAttachOptions) (GTK_SHRINK), 0, 0);

	g_object_set_data (G_OBJECT (info_bar), "label", label);
	g_object_set_data_full (G_OBJECT (info_bar),
				"account", g_object_ref (account),
				g_object_unref);
	g_object_set_data_full (G_OBJECT (edit_button),
				"account", g_object_ref (account),
				g_object_unref);
	g_object_set_data_full (G_OBJECT (close_button),
				"account", g_object_ref (account),
				g_object_unref);
	g_object_set_data_full (G_OBJECT (retry_button),
				"account", g_object_ref (account),
				g_object_unref);

	g_signal_connect (edit_button, "clicked",
			  G_CALLBACK (main_window_error_edit_clicked_cb),
			  window);
	g_signal_connect (close_button, "clicked",
			  G_CALLBACK (main_window_error_close_clicked_cb),
			  window);
	g_signal_connect (retry_button, "clicked",
			  G_CALLBACK (main_window_error_retry_clicked_cb),
			  window);

	gtk_widget_show (window->errors_vbox);

	g_object_unref (rc_style);
	g_hash_table_insert (window->errors, g_object_ref (account), info_bar);
}

static void
main_window_update_status (EmpathyMainWindow *window)
{
	gboolean connected, connecting;
	GList *l;

	connected = empathy_account_manager_get_accounts_connected (&connecting);

	/* Update the spinner state */
	if (connecting) {
		ephy_spinner_start (EPHY_SPINNER (window->throbber));
	} else {
		ephy_spinner_stop (EPHY_SPINNER (window->throbber));
	}

	/* Update widgets sensibility */
	for (l = window->actions_connected; l; l = l->next) {
		gtk_action_set_sensitive (l->data, connected);
	}
}

static void
main_window_connection_changed_cb (TpAccount  *account,
                                   guint       old_status,
                                   guint       current,
                                   guint       reason,
                                   gchar      *dbus_error_name,
                                   GHashTable *details,
				   EmpathyMainWindow *window)
{
	main_window_update_status (window);

	if (current == TP_CONNECTION_STATUS_DISCONNECTED &&
	    reason != TP_CONNECTION_STATUS_REASON_REQUESTED) {
		const gchar *message;

		message = empathy_status_reason_get_default_message (reason);

		main_window_error_display (window, account, message);
	}

	if (current == TP_CONNECTION_STATUS_DISCONNECTED) {
		empathy_sound_play (GTK_WIDGET (window->window),
				    EMPATHY_SOUND_ACCOUNT_DISCONNECTED);
	}

	if (current == TP_CONNECTION_STATUS_CONNECTED) {
		empathy_sound_play (GTK_WIDGET (window->window),
				    EMPATHY_SOUND_ACCOUNT_CONNECTED);

		/* Account connected without error, remove error message if any */
		main_window_remove_error (window, account);
	}
}

static void
main_window_contact_presence_changed_cb (EmpathyContactMonitor *monitor,
					 EmpathyContact *contact,
					 TpConnectionPresenceType current,
					 TpConnectionPresenceType previous,
					 EmpathyMainWindow *window)
{
  TpAccount *account;
  gboolean should_play = FALSE;
  EmpathyIdle *idle;

  account = empathy_contact_get_account (contact);
  idle = empathy_idle_dup_singleton ();

  should_play = !empathy_idle_account_is_just_connected (idle, account);

  if (!should_play)
    goto out;

  if (tp_connection_presence_type_cmp_availability (previous,
     TP_CONNECTION_PRESENCE_TYPE_OFFLINE) > 0)
    {
      /* contact was online */
      if (tp_connection_presence_type_cmp_availability (current,
          TP_CONNECTION_PRESENCE_TYPE_OFFLINE) <= 0)
        /* someone is logging off */
        empathy_sound_play (GTK_WIDGET (window->window),
          EMPATHY_SOUND_CONTACT_DISCONNECTED);
    }
  else
    {
      /* contact was offline */
      if (tp_connection_presence_type_cmp_availability (current,
          TP_CONNECTION_PRESENCE_TYPE_OFFLINE) > 0)
        /* someone is logging in */
        empathy_sound_play (GTK_WIDGET (window->window),
          EMPATHY_SOUND_CONTACT_CONNECTED);
    }

out:
  g_object_unref (idle);
}

static void
main_window_accels_load (void)
{
	gchar *filename;

	filename = g_build_filename (g_get_user_config_dir (), PACKAGE_NAME, ACCELS_FILENAME, NULL);
	if (g_file_test (filename, G_FILE_TEST_EXISTS)) {
		DEBUG ("Loading from:'%s'", filename);
		gtk_accel_map_load (filename);
	}

	g_free (filename);
}

static void
main_window_accels_save (void)
{
	gchar *dir;
	gchar *file_with_path;

	dir = g_build_filename (g_get_user_config_dir (), PACKAGE_NAME, NULL);
	g_mkdir_with_parents (dir, S_IRUSR | S_IWUSR | S_IXUSR);
	file_with_path = g_build_filename (dir, ACCELS_FILENAME, NULL);
	g_free (dir);

	DEBUG ("Saving to:'%s'", file_with_path);
	gtk_accel_map_save (file_with_path);

	g_free (file_with_path);
}

static void
main_window_destroy_cb (GtkWidget         *widget,
			EmpathyMainWindow *window)
{
	GHashTableIter iter;
	gpointer key, value;

	/* Save user-defined accelerators. */
	main_window_accels_save ();

	g_list_free (window->actions_connected);

	g_object_unref (window->account_manager);
	g_object_unref (window->list_store);
	g_hash_table_destroy (window->errors);

	/* disconnect all handlers of status-changed signal */
	g_hash_table_iter_init (&iter, window->status_changed_handlers);
	while (g_hash_table_iter_next (&iter, &key, &value))
		g_signal_handler_disconnect (TP_ACCOUNT (key),
					     GPOINTER_TO_UINT (value));

	g_hash_table_destroy (window->status_changed_handlers);

	g_signal_handlers_disconnect_by_func (window->event_manager,
			  		      main_window_event_added_cb,
			  		      window);
	g_signal_handlers_disconnect_by_func (window->event_manager,
			  		      main_window_event_removed_cb,
			  		      window);
	g_object_unref (window->event_manager);
	g_object_unref (window->ui_manager);

	g_free (window);
}

static void
main_window_chat_quit_cb (GtkAction         *action,
			  EmpathyMainWindow *window)
{
	gtk_main_quit ();
}

static void
main_window_view_history_cb (GtkAction         *action,
			     EmpathyMainWindow *window)
{
	empathy_log_window_show (NULL, NULL, FALSE, GTK_WINDOW (window->window));
}

static void
main_window_chat_new_message_cb (GtkAction         *action,
				 EmpathyMainWindow *window)
{
	empathy_new_message_dialog_show (GTK_WINDOW (window->window));
}

static void
main_window_chat_new_call_cb (GtkAction         *action,
				 EmpathyMainWindow *window)
{
	empathy_new_call_dialog_show (GTK_WINDOW (window->window));
}

static void
main_window_chat_add_contact_cb (GtkAction         *action,
				 EmpathyMainWindow *window)
{
	empathy_new_contact_dialog_show (GTK_WINDOW (window->window));
}

static void
main_window_view_show_ft_manager (GtkAction         *action,
				  EmpathyMainWindow *window)
{
	empathy_ft_manager_show ();
}

static void
main_window_view_show_offline_cb (GtkToggleAction   *action,
				  EmpathyMainWindow *window)
{
	gboolean current;

	current = gtk_toggle_action_get_active (action);
	empathy_conf_set_bool (empathy_conf_get (),
			      EMPATHY_PREFS_CONTACTS_SHOW_OFFLINE,
			      current);

	/* Turn off sound just while we alter the contact list. */
	// FIXME: empathy_sound_set_enabled (FALSE);
	empathy_contact_list_store_set_show_offline (window->list_store, current);
	//empathy_sound_set_enabled (TRUE);
}

static void
main_window_notify_sort_contact_cb (EmpathyConf       *conf,
				    const gchar       *key,
				    EmpathyMainWindow *window)
{
	gchar *str = NULL;

	if (empathy_conf_get_string (conf, key, &str) && str) {
		GType       type;
		GEnumClass *enum_class;
		GEnumValue *enum_value;

		type = empathy_contact_list_store_sort_get_type ();
		enum_class = G_ENUM_CLASS (g_type_class_peek (type));
		enum_value = g_enum_get_value_by_nick (enum_class, str);
		if (enum_value) {
			/* By changing the value of the GtkRadioAction,
			   it emits a signal that calls main_window_view_sort_contacts_cb
			   which updates the contacts list */
			gtk_radio_action_set_current_value (window->sort_by_name,
							    enum_value->value);
		} else {
			g_warning ("Wrong value for sort_criterium configuration : %s", str);
		}
		g_free (str);
	}
}

static void
main_window_view_sort_contacts_cb (GtkRadioAction    *action,
				   GtkRadioAction    *current,
				   EmpathyMainWindow *window)
{
	EmpathyContactListStoreSort value;
	GSList      *group;
	GType        type;
	GEnumClass  *enum_class;
	GEnumValue  *enum_value;

	value = gtk_radio_action_get_current_value (action);
	group = gtk_radio_action_get_group (action);

	/* Get string from index */
	type = empathy_contact_list_store_sort_get_type ();
	enum_class = G_ENUM_CLASS (g_type_class_peek (type));
	enum_value = g_enum_get_value (enum_class, g_slist_index (group, current));

	if (!enum_value) {
		g_warning ("No GEnumValue for EmpathyContactListSort with GtkRadioAction index:%d",
			   g_slist_index (group, action));
	} else {
		empathy_conf_set_string (empathy_conf_get (),
					 EMPATHY_PREFS_CONTACTS_SORT_CRITERIUM,
					 enum_value->value_nick);
	}
	empathy_contact_list_store_set_sort_criterium (window->list_store, value);
}

static void
main_window_view_show_protocols_cb (GtkToggleAction *action,
					EmpathyMainWindow *window)
{
	gboolean value;

	value = gtk_toggle_action_get_active (action);

	empathy_conf_set_bool (empathy_conf_get (),
					 EMPATHY_PREFS_UI_SHOW_PROTOCOLS,
					 value == TRUE);
	empathy_contact_list_store_set_show_protocols (window->list_store,
					 value == TRUE);
}

/* Matches GtkRadioAction values set in empathy-main-window.ui */
#define CONTACT_LIST_NORMAL_SIZE_WITH_AVATARS		0
#define CONTACT_LIST_NORMAL_SIZE			1
#define CONTACT_LIST_COMPACT_SIZE			2

static void
main_window_view_contacts_list_size_cb (GtkRadioAction    *action,
					GtkRadioAction    *current,
					EmpathyMainWindow *window)
{
	gint     value;

	value = gtk_radio_action_get_current_value (action);

	empathy_conf_set_bool (empathy_conf_get (),
			       EMPATHY_PREFS_UI_SHOW_AVATARS,
			       value == CONTACT_LIST_NORMAL_SIZE_WITH_AVATARS);
	empathy_conf_set_bool (empathy_conf_get (),
			       EMPATHY_PREFS_UI_COMPACT_CONTACT_LIST,
			       value == CONTACT_LIST_COMPACT_SIZE);

	empathy_contact_list_store_set_show_avatars (window->list_store,
						     value == CONTACT_LIST_NORMAL_SIZE_WITH_AVATARS);
	empathy_contact_list_store_set_is_compact (window->list_store,
						   value == CONTACT_LIST_COMPACT_SIZE);

	gtk_action_set_sensitive (GTK_ACTION (window->show_protocols),
						value != CONTACT_LIST_COMPACT_SIZE );
}

static void main_window_notify_show_protocols_cb (EmpathyConf       *conf,
					const gchar       *key,
					EmpathyMainWindow *window)
{
	gboolean show_protocols;

	if (empathy_conf_get_bool (conf,
				   EMPATHY_PREFS_UI_SHOW_PROTOCOLS,
				   &show_protocols)) {
		gtk_toggle_action_set_active (window->show_protocols,
					      show_protocols);
	}
}


static void
main_window_notify_contact_list_size_cb (EmpathyConf       *conf,
					 const gchar       *key,
					 EmpathyMainWindow *window)
{
	gboolean show_avatars;
	gboolean compact_contact_list;
	gint value = CONTACT_LIST_NORMAL_SIZE_WITH_AVATARS;

	if (empathy_conf_get_bool (conf,
				   EMPATHY_PREFS_UI_SHOW_AVATARS,
				   &show_avatars)
	    && empathy_conf_get_bool (conf,
				      EMPATHY_PREFS_UI_COMPACT_CONTACT_LIST,
				      &compact_contact_list)) {
		if (compact_contact_list) {
			value = CONTACT_LIST_COMPACT_SIZE;
		} else if (show_avatars) {
			value = CONTACT_LIST_NORMAL_SIZE_WITH_AVATARS;
		} else {
			value = CONTACT_LIST_NORMAL_SIZE;
		}
	}
	/* By changing the value of the GtkRadioAction,
	   it emits a signal that calls main_window_view_contacts_list_size_cb
	   which updates the contacts list */
	gtk_radio_action_set_current_value (window->normal_with_avatars, value);
}

static void
main_window_view_show_map_cb (GtkCheckMenuItem  *item,
			      EmpathyMainWindow *window)
{
#if HAVE_LIBCHAMPLAIN
	empathy_map_view_show ();
#endif
}

static void
main_window_favorite_chatroom_join (EmpathyChatroom *chatroom)
{
	TpAccount      *account;
	TpConnection   *connection;
	const gchar    *room;

	account = empathy_chatroom_get_account (chatroom);
	connection = tp_account_get_connection (account);
	room = empathy_chatroom_get_room (chatroom);

	if (connection != NULL) {
		DEBUG ("Requesting channel for '%s'", room);
		empathy_dispatcher_join_muc (connection, room, NULL, NULL);
	}
}

static void
main_window_favorite_chatroom_menu_activate_cb (GtkMenuItem    *menu_item,
						EmpathyChatroom *chatroom)
{
	main_window_favorite_chatroom_join (chatroom);
}

static void
main_window_favorite_chatroom_menu_add (EmpathyMainWindow *window,
					EmpathyChatroom    *chatroom)
{
	GtkWidget   *menu_item;
	const gchar *name;

	if (g_object_get_data (G_OBJECT (chatroom), "menu_item")) {
		return;
	}

	name = empathy_chatroom_get_name (chatroom);
	menu_item = gtk_menu_item_new_with_label (name);

	g_object_set_data (G_OBJECT (chatroom), "menu_item", menu_item);
	g_signal_connect (menu_item, "activate",
			  G_CALLBACK (main_window_favorite_chatroom_menu_activate_cb),
			  chatroom);

	gtk_menu_shell_insert (GTK_MENU_SHELL (window->room_menu),
			       menu_item, 4);

	gtk_widget_show (menu_item);
}

static void
main_window_favorite_chatroom_menu_added_cb (EmpathyChatroomManager *manager,
					     EmpathyChatroom        *chatroom,
					     EmpathyMainWindow     *window)
{
	main_window_favorite_chatroom_menu_add (window, chatroom);
	gtk_widget_show (window->room_separator);
	gtk_action_set_sensitive (window->room_join_favorites, TRUE);
}

static void
main_window_favorite_chatroom_menu_removed_cb (EmpathyChatroomManager *manager,
					       EmpathyChatroom        *chatroom,
					       EmpathyMainWindow     *window)
{
	GtkWidget *menu_item;
	GList *chatrooms;

	menu_item = g_object_get_data (G_OBJECT (chatroom), "menu_item");
	g_object_set_data (G_OBJECT (chatroom), "menu_item", NULL);
	gtk_widget_destroy (menu_item);

	chatrooms = empathy_chatroom_manager_get_chatrooms (window->chatroom_manager, NULL);
	if (chatrooms) {
		gtk_widget_show (window->room_separator);
	} else {
		gtk_widget_hide (window->room_separator);
	}

	gtk_action_set_sensitive (window->room_join_favorites, chatrooms != NULL);
	g_list_free (chatrooms);
}

static void
main_window_favorite_chatroom_menu_setup (EmpathyMainWindow *window)
{
	GList *chatrooms, *l;
	GtkWidget *room;

	window->chatroom_manager = empathy_chatroom_manager_dup_singleton (NULL);
	chatrooms = empathy_chatroom_manager_get_chatrooms (window->chatroom_manager, NULL);
	room = gtk_ui_manager_get_widget (window->ui_manager,
		"/menubar/room");
	window->room_menu = gtk_menu_item_get_submenu (GTK_MENU_ITEM (room));
	window->room_separator = gtk_ui_manager_get_widget (window->ui_manager,
		"/menubar/room/room_separator");

	for (l = chatrooms; l; l = l->next) {
		main_window_favorite_chatroom_menu_add (window, l->data);
	}

	if (!chatrooms) {
		gtk_widget_hide (window->room_separator);
	}

	gtk_action_set_sensitive (window->room_join_favorites, chatrooms != NULL);

	g_signal_connect (window->chatroom_manager, "chatroom-added",
			  G_CALLBACK (main_window_favorite_chatroom_menu_added_cb),
			  window);
	g_signal_connect (window->chatroom_manager, "chatroom-removed",
			  G_CALLBACK (main_window_favorite_chatroom_menu_removed_cb),
			  window);

	g_list_free (chatrooms);
}

static void
main_window_room_join_new_cb (GtkAction         *action,
			      EmpathyMainWindow *window)
{
	empathy_new_chatroom_dialog_show (GTK_WINDOW (window->window));
}

static void
main_window_room_join_favorites_cb (GtkAction         *action,
				    EmpathyMainWindow *window)
{
	GList *chatrooms, *l;

	chatrooms = empathy_chatroom_manager_get_chatrooms (window->chatroom_manager, NULL);
	for (l = chatrooms; l; l = l->next) {
		main_window_favorite_chatroom_join (l->data);
	}
	g_list_free (chatrooms);
}

static void
main_window_room_manage_favorites_cb (GtkAction         *action,
				      EmpathyMainWindow *window)
{
	empathy_chatrooms_window_show (GTK_WINDOW (window->window));
}

static void
main_window_edit_cb (GtkAction *action,
		     EmpathyMainWindow *window)
{
	GtkWidget *submenu;

	/* FIXME: It should use the UIManager to merge the contact/group submenu */
	submenu = empathy_contact_list_view_get_contact_menu (window->list_view);
	if (submenu) {
		GtkMenuItem *item;
		GtkWidget   *label;

		item = GTK_MENU_ITEM (window->edit_context);
		label = gtk_bin_get_child (GTK_BIN (item));
		gtk_label_set_text (GTK_LABEL (label), _("Contact"));

		gtk_widget_show (window->edit_context);
		gtk_widget_show (window->edit_context_separator);

		gtk_menu_item_set_submenu (item, submenu);

		return;
	}

	submenu = empathy_contact_list_view_get_group_menu (window->list_view);
	if (submenu) {
		GtkMenuItem *item;
		GtkWidget   *label;

		item = GTK_MENU_ITEM (window->edit_context);
		label = gtk_bin_get_child (GTK_BIN (item));
		gtk_label_set_text (GTK_LABEL (label), _("Group"));

		gtk_widget_show (window->edit_context);
		gtk_widget_show (window->edit_context_separator);

		gtk_menu_item_set_submenu (item, submenu);

		return;
	}

	gtk_widget_hide (window->edit_context);
	gtk_widget_hide (window->edit_context_separator);

	return;
}

static void
main_window_edit_accounts_cb (GtkAction         *action,
			      EmpathyMainWindow *window)
{
	empathy_accounts_dialog_show (GTK_WINDOW (window->window), NULL);
}

static void
main_window_edit_personal_information_cb (GtkAction         *action,
					  EmpathyMainWindow *window)
{
	empathy_contact_personal_dialog_show (GTK_WINDOW (window->window));
}

static void
main_window_edit_preferences_cb (GtkAction         *action,
				 EmpathyMainWindow *window)
{
	empathy_preferences_show (GTK_WINDOW (window->window));
}

static void
main_window_help_about_cb (GtkAction         *action,
			   EmpathyMainWindow *window)
{
	empathy_about_dialog_new (GTK_WINDOW (window->window));
}

static void
main_window_help_debug_cb (GtkAction         *action,
			   EmpathyMainWindow *window)
{
	empathy_debug_window_new (NULL);
}

static void
main_window_help_contents_cb (GtkAction         *action,
			      EmpathyMainWindow *window)
{
	empathy_url_show (window->window, "ghelp:empathy");
}

static gboolean
main_window_throbber_button_press_event_cb (GtkWidget         *throbber_ebox,
					    GdkEventButton    *event,
					    EmpathyMainWindow *window)
{
	if (event->type != GDK_BUTTON_PRESS ||
	    event->button != 1) {
		return FALSE;
	}

	empathy_accounts_dialog_show (GTK_WINDOW (window->window), NULL);

	return FALSE;
}

static void
main_window_account_removed_cb (TpAccountManager  *manager,
				TpAccount         *account,
				EmpathyMainWindow *window)
{
	GList *a;

	a = tp_account_manager_get_valid_accounts (manager);

	gtk_action_set_sensitive (window->view_history,
		g_list_length (a) > 0);

	g_list_free (a);

	/* remove errors if any */
	main_window_remove_error (window, account);
}

static void
main_window_account_validity_changed_cb (TpAccountManager *manager,
					 TpAccount *account,
					 gboolean valid,
					 EmpathyMainWindow *window)
{
	if (valid) {
		gulong handler_id;
		handler_id = GPOINTER_TO_UINT (g_hash_table_lookup (
			window->status_changed_handlers, account));

		/* connect signal only if it was not connected yet */
		if (handler_id == 0) {
			handler_id = g_signal_connect (account,
				"status-changed",
				G_CALLBACK (main_window_connection_changed_cb),
				window);
			g_hash_table_insert (window->status_changed_handlers,
				account, GUINT_TO_POINTER (handler_id));
		}
	}

	main_window_account_removed_cb (manager, account, window);
}

static void
main_window_notify_show_offline_cb (EmpathyConf *conf,
				    const gchar *key,
				    gpointer     toggle_action)
{
	gboolean show_offline;

	if (empathy_conf_get_bool (conf, key, &show_offline)) {
		gtk_toggle_action_set_active (toggle_action, show_offline);
	}
}

static void
main_window_connection_items_setup (EmpathyMainWindow *window,
				    GtkBuilder        *gui)
{
	GList         *list;
	GObject       *action;
	guint          i;
	const gchar *actions_connected[] = {
		"room",
		"chat_new_message",
		"chat_new_call",
		"chat_add_contact",
		"edit_personal_information"
	};

	for (i = 0, list = NULL; i < G_N_ELEMENTS (actions_connected); i++) {
		action = gtk_builder_get_object (gui, actions_connected[i]);
		list = g_list_prepend (list, action);
	}

	window->actions_connected = list;
}

GtkWidget *
empathy_main_window_get (void)
{
  return main_window != NULL ? main_window->window : NULL;
}

static void
account_manager_prepared_cb (GObject *source_object,
			     GAsyncResult *result,
			     gpointer user_data)
{
	GList *accounts, *j;
	TpAccountManager *manager = TP_ACCOUNT_MANAGER (source_object);
	EmpathyMainWindow *window = user_data;
	GError *error = NULL;

	if (!tp_account_manager_prepare_finish (manager, result, &error)) {
		DEBUG ("Failed to prepare account manager: %s", error->message);
		g_error_free (error);
		return;
	}

	accounts = tp_account_manager_get_valid_accounts (window->account_manager);
	for (j = accounts; j != NULL; j = j->next) {
		TpAccount *account = TP_ACCOUNT (j->data);
		gulong handler_id;

		handler_id = g_signal_connect (account, "status-changed",
				  G_CALLBACK (main_window_connection_changed_cb),
				  window);
		g_hash_table_insert (window->status_changed_handlers,
				     account, GUINT_TO_POINTER (handler_id));
	}

	g_signal_connect (manager, "account-validity-changed",
			  G_CALLBACK (main_window_account_validity_changed_cb),
			  window);

	main_window_update_status (window);

	/* Disable the "Previous Conversations" menu entry if there is no account */
	gtk_action_set_sensitive (window->view_history,
		g_list_length (accounts) > 0);

	g_list_free (accounts);
}

GtkWidget *
empathy_main_window_show (void)
{
	EmpathyMainWindow        *window;
	EmpathyContactList       *list_iface;
	EmpathyContactMonitor    *monitor;
	GtkBuilder               *gui;
	EmpathyConf              *conf;
	GtkWidget                *sw;
	GtkToggleAction          *show_offline_widget;
	GtkWidget                *ebox;
	GtkAction                *show_map_widget;
	GtkToolItem              *item;
	gboolean                  show_offline;
	gchar                    *filename;
	GSList                   *l;

	if (main_window) {
		empathy_window_present (GTK_WINDOW (main_window->window), TRUE);
		return main_window->window;
	}

	main_window = g_new0 (EmpathyMainWindow, 1);
	window = main_window;

	/* Set up interface */
	filename = empathy_file_lookup ("empathy-main-window.ui", "src");
	gui = empathy_builder_get_file (filename,
				       "main_window", &window->window,
				       "main_vbox", &window->main_vbox,
				       "errors_vbox", &window->errors_vbox,
				       "ui_manager", &window->ui_manager,
				       "view_show_offline", &show_offline_widget,
				       "view_show_protocols", &window->show_protocols,
				       "view_sort_by_name", &window->sort_by_name,
				       "view_sort_by_status", &window->sort_by_status,
				       "view_normal_size_with_avatars", &window->normal_with_avatars,
				       "view_normal_size", &window->normal_size,
				       "view_compact_size", &window->compact_size,
				       "view_history", &window->view_history,
				       "view_show_map", &show_map_widget,
				       "room_join_favorites", &window->room_join_favorites,
				       "presence_toolbar", &window->presence_toolbar,
				       "roster_scrolledwindow", &sw,
				       NULL);
	g_free (filename);

	empathy_builder_connect (gui, window,
			      "main_window", "destroy", main_window_destroy_cb,
			      "chat_quit", "activate", main_window_chat_quit_cb,
			      "chat_new_message", "activate", main_window_chat_new_message_cb,
			      "chat_new_call", "activate", main_window_chat_new_call_cb,
			      "view_history", "activate", main_window_view_history_cb,
			      "room_join_new", "activate", main_window_room_join_new_cb,
			      "room_join_favorites", "activate", main_window_room_join_favorites_cb,
			      "room_manage_favorites", "activate", main_window_room_manage_favorites_cb,
			      "chat_add_contact", "activate", main_window_chat_add_contact_cb,
			      "view_show_ft_manager", "activate", main_window_view_show_ft_manager,
			      "view_show_offline", "toggled", main_window_view_show_offline_cb,
			      "view_show_protocols", "toggled", main_window_view_show_protocols_cb,
			      "view_sort_by_name", "changed", main_window_view_sort_contacts_cb,
			      "view_normal_size_with_avatars", "changed", main_window_view_contacts_list_size_cb,
			      "view_show_map", "activate", main_window_view_show_map_cb,
			      "edit", "activate", main_window_edit_cb,
			      "edit_accounts", "activate", main_window_edit_accounts_cb,
			      "edit_personal_information", "activate", main_window_edit_personal_information_cb,
			      "edit_preferences", "activate", main_window_edit_preferences_cb,
			      "help_about", "activate", main_window_help_about_cb,
			      "help_debug", "activate", main_window_help_debug_cb,
			      "help_contents", "activate", main_window_help_contents_cb,
			      NULL);

	/* Set up connection related widgets. */
	main_window_connection_items_setup (window, gui);

	g_object_ref (window->ui_manager);
	g_object_unref (gui);

#if !HAVE_LIBCHAMPLAIN
	gtk_action_set_visible (show_map_widget, FALSE);
#endif

	window->account_manager = tp_account_manager_dup ();

	tp_account_manager_prepare_async (window->account_manager, NULL,
					  account_manager_prepared_cb, window);

	window->errors = g_hash_table_new_full (g_direct_hash,
						g_direct_equal,
						g_object_unref,
						NULL);

	window->status_changed_handlers = g_hash_table_new_full (g_direct_hash,
								 g_direct_equal,
								 NULL,
								 NULL);

	/* Set up menu */
	main_window_favorite_chatroom_menu_setup (window);

	window->edit_context = gtk_ui_manager_get_widget (window->ui_manager,
		"/menubar/edit/edit_context");
	window->edit_context_separator = gtk_ui_manager_get_widget (window->ui_manager,
		"/menubar/edit/edit_context_separator");
	gtk_widget_hide (window->edit_context);
	gtk_widget_hide (window->edit_context_separator);

	/* Set up contact list. */
	empathy_status_presets_get_all ();

	/* Set up presence chooser */
	window->presence_chooser = empathy_presence_chooser_new ();
	gtk_widget_show (window->presence_chooser);
	item = gtk_tool_item_new ();
	gtk_widget_show (GTK_WIDGET (item));
	gtk_container_add (GTK_CONTAINER (item), window->presence_chooser);
	gtk_tool_item_set_is_important (item, TRUE);
	gtk_tool_item_set_expand (item, TRUE);
	gtk_toolbar_insert (GTK_TOOLBAR (window->presence_toolbar), item, -1);

	/* Set up the throbber */
	ebox = gtk_event_box_new ();
	gtk_event_box_set_visible_window (GTK_EVENT_BOX (ebox), FALSE);
	gtk_widget_set_tooltip_text (ebox, _("Show and edit accounts"));
	g_signal_connect (ebox,
			  "button-press-event",
			  G_CALLBACK (main_window_throbber_button_press_event_cb),
			  window);
	gtk_widget_show (ebox);

	window->throbber = ephy_spinner_new ();
	ephy_spinner_set_size (EPHY_SPINNER (window->throbber), GTK_ICON_SIZE_LARGE_TOOLBAR);
	gtk_container_add (GTK_CONTAINER (ebox), window->throbber);
	gtk_widget_show (window->throbber);

	item = gtk_tool_item_new ();
	gtk_container_add (GTK_CONTAINER (item), ebox);
	gtk_toolbar_insert (GTK_TOOLBAR (window->presence_toolbar), item, -1);
	gtk_widget_show (GTK_WIDGET (item));

	list_iface = EMPATHY_CONTACT_LIST (empathy_contact_manager_dup_singleton ());
	monitor = empathy_contact_list_get_monitor (list_iface);
	window->list_store = empathy_contact_list_store_new (list_iface);
	window->list_view = empathy_contact_list_view_new (window->list_store,
							   EMPATHY_CONTACT_LIST_FEATURE_ALL,
							   EMPATHY_CONTACT_FEATURE_ALL);
	g_signal_connect (monitor, "contact-presence-changed",
			  G_CALLBACK (main_window_contact_presence_changed_cb), window);
	g_object_unref (list_iface);

	gtk_widget_show (GTK_WIDGET (window->list_view));
	gtk_container_add (GTK_CONTAINER (sw),
			   GTK_WIDGET (window->list_view));
	g_signal_connect (window->list_view, "row-activated",
			  G_CALLBACK (main_window_row_activated_cb),
			  window);

	/* Load user-defined accelerators. */
	main_window_accels_load ();

	/* Set window size. */
	empathy_geometry_bind (GTK_WINDOW (window->window), GEOMETRY_NAME);

	/* Enable event handling */
	window->event_manager = empathy_event_manager_dup_singleton ();
	g_signal_connect (window->event_manager, "event-added",
			  G_CALLBACK (main_window_event_added_cb),
			  window);
	g_signal_connect (window->event_manager, "event-removed",
			  G_CALLBACK (main_window_event_removed_cb),
			  window);

	g_signal_connect (window->account_manager, "account-validity-changed",
			  G_CALLBACK (main_window_account_validity_changed_cb),
			  window);
	g_signal_connect (window->account_manager, "account-removed",
			  G_CALLBACK (main_window_account_removed_cb),
			  window);
	g_signal_connect (window->account_manager, "account-disabled",
			  G_CALLBACK (main_window_account_disabled_cb),
			  window);

	l = empathy_event_manager_get_events (window->event_manager);
	while (l) {
		main_window_event_added_cb (window->event_manager,
					    l->data, window);
		l = l->next;
	}

	conf = empathy_conf_get ();

	/* Show offline ? */
	empathy_conf_get_bool (conf,
			      EMPATHY_PREFS_CONTACTS_SHOW_OFFLINE,
			      &show_offline);
	empathy_conf_notify_add (conf,
				EMPATHY_PREFS_CONTACTS_SHOW_OFFLINE,
				main_window_notify_show_offline_cb,
				show_offline_widget);

	gtk_toggle_action_set_active (show_offline_widget, show_offline);

	/* Show protocol ? */
	empathy_conf_notify_add (conf,
				 EMPATHY_PREFS_UI_SHOW_PROTOCOLS,
				 (EmpathyConfNotifyFunc) main_window_notify_show_protocols_cb,
				 window);

	main_window_notify_show_protocols_cb (conf,
					    EMPATHY_PREFS_UI_SHOW_PROTOCOLS,
					    window);

	/* Sort by name / by status ? */
	empathy_conf_notify_add (conf,
				 EMPATHY_PREFS_CONTACTS_SORT_CRITERIUM,
				 (EmpathyConfNotifyFunc) main_window_notify_sort_contact_cb,
				 window);

	main_window_notify_sort_contact_cb (conf,
					    EMPATHY_PREFS_CONTACTS_SORT_CRITERIUM,
					    window);

	/* Contacts list size */
	empathy_conf_notify_add (conf,
				 EMPATHY_PREFS_UI_COMPACT_CONTACT_LIST,
				 (EmpathyConfNotifyFunc) main_window_notify_contact_list_size_cb,
				 window);
	empathy_conf_notify_add (conf,
				 EMPATHY_PREFS_UI_SHOW_AVATARS,
				 (EmpathyConfNotifyFunc) main_window_notify_contact_list_size_cb,
				 window);

	main_window_notify_contact_list_size_cb (conf,
						 EMPATHY_PREFS_UI_SHOW_AVATARS,
						 window);

	return window->window;
}