path: root/src/empathy-status-icon.c

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
 * Copyright (C) 2007-2008 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
 * 
 * Authors: Xavier Claessens <xclaesse@gmail.com>
 */

#include <config.h>

#include <string.h>

#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>

#include <libnotify/notification.h>

#include <libempathy/empathy-utils.h>
#include <libempathy/empathy-idle.h>
#include <libempathy/empathy-account-manager.h>

#include <libempathy-gtk/empathy-presence-chooser.h>
#include <libempathy-gtk/empathy-conf.h>
#include <libempathy-gtk/empathy-ui-utils.h>
#include <libempathy-gtk/empathy-images.h>
#include <libempathy-gtk/empathy-new-message-dialog.h>

#include "empathy-accounts-dialog.h"
#include "empathy-status-icon.h"
#include "empathy-preferences.h"
#include "empathy-event-manager.h"
#include "empathy-misc.h"

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

/* Number of ms to wait when blinking */
#define BLINK_TIMEOUT 500

#define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyStatusIcon)
typedef struct {
    GtkStatusIcon       *icon;
    EmpathyIdle         *idle;
    EmpathyAccountManager *account_manager;
    gboolean             showing_event_icon;
    guint                blink_timeout;
    EmpathyEventManager *event_manager;
    EmpathyEvent        *event;
    NotifyNotification  *notification;

    GtkWindow           *window;
    GtkWidget           *popup_menu;
    GtkWidget           *show_window_item;
    GtkWidget           *message_item;
    GtkWidget           *status_item;
} EmpathyStatusIconPriv;

G_DEFINE_TYPE (EmpathyStatusIcon, empathy_status_icon, G_TYPE_OBJECT);

static gboolean
activate_event (EmpathyEvent *event)
{
    empathy_event_activate (event);

    return FALSE;
}

static void
status_icon_notification_closed_cb (NotifyNotification *notification,
                    EmpathyStatusIcon  *icon)
{
    EmpathyStatusIconPriv *priv = GET_PRIV (icon);
    EmpathyNotificationClosedReason reason = 0;

#ifdef notify_notification_get_closed_reason
    reason = notify_notification_get_closed_reason (notification);
#endif
    if (priv->notification) {
        g_object_unref (priv->notification);
        priv->notification = NULL;
    }

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

    /* the notification has been closed by the user, see the
     * DesktopNotification spec.
     */
    if (reason == EMPATHY_NOTIFICATION_CLOSED_DISMISSED) {
        /* use an idle here, as this callback is called from a
         * DBus signal handler inside libnotify, and we might call
         * a *_run_* method when activating the event.
         */
        g_idle_add ((GSourceFunc) activate_event, priv->event);
    } else {
        /* inhibit other updates for this event */
        empathy_event_inhibit_updates (priv->event);
    }
}

static void
notification_close_helper (EmpathyStatusIconPriv *priv)
{
    if (priv->notification) {
        notify_notification_close (priv->notification, NULL);
        g_object_unref (priv->notification);
        priv->notification = NULL;
    }
}

static void
status_icon_update_notification (EmpathyStatusIcon *icon)
{
    EmpathyStatusIconPriv *priv = GET_PRIV (icon);
    GdkPixbuf *pixbuf = NULL;

    if (!empathy_notification_is_enabled ()) {
        /* always close the notification if this happens */
        notification_close_helper (priv);
        return;
    }

    if (priv->event) {
        pixbuf = empathy_misc_get_pixbuf_for_notification (priv->event->contact,
                                   priv->event->icon_name);

        if (priv->notification) {
            notify_notification_update (priv->notification,
                            priv->event->header, priv->event->message,
                            NULL);
        } else {
            priv->notification = notify_notification_new_with_status_icon
                (priv->event->header, priv->event->message, NULL, priv->icon);
            notify_notification_set_timeout (priv->notification,
                             NOTIFY_EXPIRES_DEFAULT);

            g_signal_connect (priv->notification, "closed",
                      G_CALLBACK (status_icon_notification_closed_cb), icon);

        }
        notify_notification_set_icon_from_pixbuf (priv->notification,
                              pixbuf);
        notify_notification_show (priv->notification, NULL);

        g_object_unref (pixbuf);
    } else {
        notification_close_helper (priv);
    }
}

static void
status_icon_update_tooltip (EmpathyStatusIcon *icon)
{
    EmpathyStatusIconPriv *priv = GET_PRIV (icon);
    gchar                 *tooltip = NULL;

    if (priv->event) {
        if (priv->event->message != NULL)
                tooltip = g_strdup_printf ("<i>%s</i>\n%s",
                               priv->event->header,
                               priv->event->message);
        else
                tooltip = g_strdup_printf ("<i>%s</i>",
                               priv->event->header);
        gtk_status_icon_set_tooltip_markup (priv->icon, tooltip);
    } else {
        tooltip = g_strdup (empathy_idle_get_status (priv->idle));
        gtk_status_icon_set_tooltip_text (priv->icon, tooltip);
    }

    g_free (tooltip);
}

static void
status_icon_update_icon (EmpathyStatusIcon *icon)
{
    EmpathyStatusIconPriv *priv = GET_PRIV (icon);
    const gchar           *icon_name;

    if (priv->event && priv->showing_event_icon) {
        icon_name = priv->event->icon_name;
    } else {
        McPresence state;

        state = empathy_idle_get_state (priv->idle);
        icon_name = empathy_icon_name_for_presence (state);
    }

    gtk_status_icon_set_from_icon_name (priv->icon, icon_name);
}

static gboolean
status_icon_blink_timeout_cb (EmpathyStatusIcon *icon)
{
    EmpathyStatusIconPriv *priv = GET_PRIV (icon);

    priv->showing_event_icon = !priv->showing_event_icon;
    status_icon_update_icon (icon);

    return TRUE;
}
static void
status_icon_event_added_cb (EmpathyEventManager *manager,
                EmpathyEvent        *event,
                EmpathyStatusIcon   *icon)
{
    EmpathyStatusIconPriv *priv = GET_PRIV (icon);

    if (priv->event) {
        return;
    }

    DEBUG ("New event %p", event);

    priv->event = event;
    priv->showing_event_icon = TRUE;

    status_icon_update_icon (icon);
    status_icon_update_tooltip (icon);
    status_icon_update_notification (icon);

    if (!priv->blink_timeout) {
        priv->blink_timeout = g_timeout_add (BLINK_TIMEOUT,
                             (GSourceFunc) status_icon_blink_timeout_cb,
                             icon);
    }
}

static void
status_icon_event_removed_cb (EmpathyEventManager *manager,
                  EmpathyEvent        *event,
                  EmpathyStatusIcon   *icon)
{
    EmpathyStatusIconPriv *priv = GET_PRIV (icon);

    if (event != priv->event) {
        return;
    }

    priv->event = empathy_event_manager_get_top_event (priv->event_manager);

    status_icon_update_tooltip (icon);
    status_icon_update_icon (icon);

    /* update notification anyway, as it's safe and we might have been
     * changed presence in the meanwhile
     */ 
    status_icon_update_notification (icon);

    if (!priv->event && priv->blink_timeout) {
        g_source_remove (priv->blink_timeout);
        priv->blink_timeout = 0;
    }
}

static void
status_icon_event_updated_cb (EmpathyEventManager *manager,
                  EmpathyEvent        *event,
                  EmpathyStatusIcon   *icon)
{
    EmpathyStatusIconPriv *priv = GET_PRIV (icon);

    if (event != priv->event) {
        return;
    }

    if (empathy_notification_is_enabled ()) {
        status_icon_update_notification (icon);
    }

    status_icon_update_tooltip (icon);
}

static void
status_icon_set_visibility (EmpathyStatusIcon *icon,
                gboolean           visible,
                gboolean           store)
{
    EmpathyStatusIconPriv *priv = GET_PRIV (icon);

    if (store) {
        empathy_conf_set_bool (empathy_conf_get (),
                       EMPATHY_PREFS_UI_MAIN_WINDOW_HIDDEN, !visible);
    }

    if (!visible) {
        empathy_window_iconify (priv->window, priv->icon);
    } else {
        GList *accounts;

        empathy_window_present (GTK_WINDOW (priv->window), TRUE);

        /* Show the accounts dialog if there is no enabled accounts */
        accounts = mc_accounts_list_by_enabled (TRUE);
        if (accounts) {
            mc_accounts_list_free (accounts);
        } else {
            DEBUG ("No enabled account, Showing account dialog");
            empathy_accounts_dialog_show (GTK_WINDOW (priv->window), NULL);
        }
    }
}

static void
status_icon_notify_visibility_cb (EmpathyConf *conf,
                  const gchar *key,
                  gpointer     user_data)
{
    EmpathyStatusIcon *icon = user_data;
    gboolean           hidden = FALSE;

    if (empathy_conf_get_bool (conf, key, &hidden)) {
        status_icon_set_visibility (icon, !hidden, FALSE);
    }
}

static void
status_icon_toggle_visibility (EmpathyStatusIcon *icon)
{
    EmpathyStatusIconPriv *priv = GET_PRIV (icon);
    gboolean               visible;

    visible = gtk_window_is_active (priv->window);
    status_icon_set_visibility (icon, !visible, TRUE);
}

static void
status_icon_idle_notify_cb (EmpathyStatusIcon *icon)
{
    EmpathyStatusIconPriv *priv = GET_PRIV (icon);

    status_icon_update_icon (icon);
    status_icon_update_tooltip (icon);

    if (!empathy_notification_is_enabled ()) {
        /* dismiss the outstanding notification if present */

        if (priv->notification) {
            notify_notification_close (priv->notification, NULL);
            g_object_unref (priv->notification);
            priv->notification = NULL;
        }
    }
}

static gboolean
status_icon_delete_event_cb (GtkWidget         *widget,
                 GdkEvent          *event,
                 EmpathyStatusIcon *icon)
{
    status_icon_set_visibility (icon, FALSE, TRUE);
    return TRUE;
}

static gboolean
status_icon_key_press_event_cb  (GtkWidget *window,
                 GdkEventKey *event,
                 EmpathyStatusIcon *icon)
{
    if (event->keyval == GDK_Escape) {
        status_icon_set_visibility (icon, FALSE, TRUE);
    }
    return FALSE;
}
                
static void
status_icon_activate_cb (GtkStatusIcon     *status_icon,
             EmpathyStatusIcon *icon)
{
    EmpathyStatusIconPriv *priv = GET_PRIV (icon);

    DEBUG ("%s", priv->event ? "event" : "toggle");

    if (priv->event) {
        empathy_event_activate (priv->event);
    } else {
        status_icon_toggle_visibility (icon);
    }
}

static void
status_icon_show_hide_window_cb (GtkWidget         *widget,
                 EmpathyStatusIcon *icon)
{
    gboolean visible;

    visible = gtk_check_menu_item_get_active (GTK_CHECK_MENU_ITEM (widget));
    status_icon_set_visibility (icon, visible, TRUE);
}

static void
status_icon_new_message_cb (GtkWidget         *widget,
                EmpathyStatusIcon *icon)
{
    empathy_new_message_dialog_show (NULL);
}

static void
status_icon_quit_cb (GtkWidget         *window,
             EmpathyStatusIcon *icon)
{
    gtk_main_quit ();
}

static void
status_icon_popup_menu_cb (GtkStatusIcon     *status_icon,
               guint              button,
               guint              activate_time,
               EmpathyStatusIcon *icon)
{
    EmpathyStatusIconPriv *priv = GET_PRIV (icon);
    GtkWidget             *submenu;
    gboolean               show;

    show = empathy_window_get_is_visible (GTK_WINDOW (priv->window));

    g_signal_handlers_block_by_func (priv->show_window_item,
                     status_icon_show_hide_window_cb,
                     icon);
    gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (priv->show_window_item),
                    show);
    g_signal_handlers_unblock_by_func (priv->show_window_item,
                       status_icon_show_hide_window_cb,
                       icon);

    submenu = empathy_presence_chooser_create_menu ();
    gtk_menu_item_set_submenu (GTK_MENU_ITEM (priv->status_item),
                   submenu);

    gtk_menu_popup (GTK_MENU (priv->popup_menu),
            NULL, NULL,
            gtk_status_icon_position_menu,
            priv->icon,
            button,
            activate_time);
}

static void
status_icon_create_menu (EmpathyStatusIcon *icon)
{
    EmpathyStatusIconPriv *priv = GET_PRIV (icon);
    GtkBuilder            *gui;
    gchar                 *filename;

    filename = empathy_file_lookup ("empathy-status-icon.ui", "src");
    gui = empathy_builder_get_file (filename,
                       "tray_menu", &priv->popup_menu,
                       "tray_show_list", &priv->show_window_item,
                       "tray_new_message", &priv->message_item,
                       "tray_status", &priv->status_item,
                       NULL);
    g_free (filename);

    empathy_builder_connect (gui, icon,
                  "tray_show_list", "toggled", status_icon_show_hide_window_cb,
                  "tray_new_message", "activate", status_icon_new_message_cb,
                  "tray_quit", "activate", status_icon_quit_cb,
                  NULL);

    g_object_unref (gui);
}

static void
status_icon_connection_changed_cb (EmpathyAccountManager *manager,
                   McAccount *account,
                   TpConnectionStatusReason reason,
                   TpConnectionStatus current,
                   TpConnectionStatus previous,
                   EmpathyStatusIcon *icon)
{
    EmpathyStatusIconPriv *priv = GET_PRIV (icon);
    int connected_accounts;

    /* Check for a connected account */
    connected_accounts = empathy_account_manager_get_connected_accounts (manager);

    gtk_widget_set_sensitive (priv->message_item, connected_accounts > 0);
}

static void
status_icon_finalize (GObject *object)
{
    EmpathyStatusIconPriv *priv = GET_PRIV (object);

    if (priv->blink_timeout) {
        g_source_remove (priv->blink_timeout);
    }

    g_signal_handlers_disconnect_by_func (priv->account_manager,
                          status_icon_connection_changed_cb,
                          object);

    if (priv->notification) {
        notify_notification_close (priv->notification, NULL);
        g_object_unref (priv->notification);
        priv->notification = NULL;
    }

    g_object_unref (priv->icon);
    g_object_unref (priv->idle);
    g_object_unref (priv->account_manager);
    g_object_unref (priv->event_manager);
}

static void
empathy_status_icon_class_init (EmpathyStatusIconClass *klass)
{
    GObjectClass *object_class = G_OBJECT_CLASS (klass);

    object_class->finalize = status_icon_finalize;

    g_type_class_add_private (object_class, sizeof (EmpathyStatusIconPriv));
}

static void
empathy_status_icon_init (EmpathyStatusIcon *icon)
{
    EmpathyStatusIconPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (icon,
        EMPATHY_TYPE_STATUS_ICON, EmpathyStatusIconPriv);

    icon->priv = priv;
    priv->icon = gtk_status_icon_new ();
    priv->account_manager = empathy_account_manager_dup_singleton ();
    priv->idle = empathy_idle_dup_singleton ();
    priv->event_manager = empathy_event_manager_dup_singleton ();

    g_signal_connect (priv->account_manager,
              "account-connection-changed",
              G_CALLBACK (status_icon_connection_changed_cb), icon);

    /* make icon listen and respond to MAIN_WINDOW_HIDDEN changes */
    empathy_conf_notify_add (empathy_conf_get (),
                 EMPATHY_PREFS_UI_MAIN_WINDOW_HIDDEN,
                 status_icon_notify_visibility_cb,
                 icon);

    status_icon_create_menu (icon);
    status_icon_idle_notify_cb (icon);

    g_signal_connect_swapped (priv->idle, "notify",
                  G_CALLBACK (status_icon_idle_notify_cb),
                  icon);
    g_signal_connect (priv->event_manager, "event-added",
              G_CALLBACK (status_icon_event_added_cb),
              icon);
    g_signal_connect (priv->event_manager, "event-removed",
              G_CALLBACK (status_icon_event_removed_cb),
              icon);
    g_signal_connect (priv->event_manager, "event-updated",
              G_CALLBACK (status_icon_event_updated_cb),
              icon);
    g_signal_connect (priv->icon, "activate",
              G_CALLBACK (status_icon_activate_cb),
              icon);
    g_signal_connect (priv->icon, "popup-menu",
              G_CALLBACK (status_icon_popup_menu_cb),
              icon);
}

EmpathyStatusIcon *
empathy_status_icon_new (GtkWindow *window, gboolean hide_contact_list)
{
    EmpathyStatusIconPriv *priv;
    EmpathyStatusIcon     *icon;
    gboolean               should_hide;

    g_return_val_if_fail (GTK_IS_WINDOW (window), NULL);

    icon = g_object_new (EMPATHY_TYPE_STATUS_ICON, NULL);
    priv = GET_PRIV (icon);

    priv->window = g_object_ref (window);

    g_signal_connect_after (priv->window, "key-press-event",
              G_CALLBACK (status_icon_key_press_event_cb),
              icon);

    g_signal_connect (priv->window, "delete-event",
              G_CALLBACK (status_icon_delete_event_cb),
              icon);

    if (!hide_contact_list) {
        empathy_conf_get_bool (empathy_conf_get (),
                       EMPATHY_PREFS_UI_MAIN_WINDOW_HIDDEN,
                           &should_hide);
    } else {
        should_hide = TRUE;
    }

    if (gtk_window_is_active (priv->window) == should_hide) {
        status_icon_set_visibility (icon, !should_hide, FALSE);
    }

    return icon;
}