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 <glib.h>

#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
#include <glib/gi18n.h>

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

#include <libempathy/empathy-gsettings.h>
#include <libempathy/empathy-utils.h>

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

#include "empathy-accounts-dialog.h"
#include "empathy-status-icon.h"
#include "empathy-preferences.h"
#include "empathy-event-manager.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;
    TpAccountManager    *account_manager;
    gboolean             showing_event_icon;
    guint                blink_timeout;
    EmpathyEventManager *event_manager;
    EmpathyEvent        *event;
    GSettings           *gsettings_ui;

    GtkWindow           *window;
    GtkUIManager        *ui_manager;
    GtkWidget           *popup_menu;
    GtkAction           *show_window_item;
    GtkAction           *new_message_item;
    GtkAction           *status_item;
} EmpathyStatusIconPriv;

G_DEFINE_TYPE (EmpathyStatusIcon, empathy_status_icon, G_TYPE_OBJECT);

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

    if (priv->event) {
        gchar *tooltip = NULL;

        if (priv->event->message != NULL)
                tooltip = g_markup_printf_escaped ("<i>%s</i>\n%s",
                                   priv->event->header,
                                   priv->event->message);
        else
                tooltip = g_markup_printf_escaped ("<i>%s</i>",
                                   priv->event->header);
        gtk_status_icon_set_tooltip_markup (priv->icon, tooltip);
        g_free (tooltip);
    } else {
        TpConnectionPresenceType type;
        gchar *msg;

        type = tp_account_manager_get_most_available_presence (
            priv->account_manager, NULL, &msg);

        if (!EMP_STR_EMPTY (msg)) {
            gtk_status_icon_set_tooltip_text (priv->icon, msg);
        }
        else {
            gtk_status_icon_set_tooltip_text (priv->icon,
                        empathy_presence_get_default_message (type));
        }

        g_free (msg);
    }
}

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 {
        TpConnectionPresenceType state;

        state = tp_account_manager_get_most_available_presence (
            priv->account_manager, NULL, NULL);

        /* An unset presence type here doesn't make sense. Force it
         * to be offline. */
        if (state == TP_CONNECTION_PRESENCE_TYPE_UNSET) {
            state = TP_CONNECTION_PRESENCE_TYPE_OFFLINE;
        }

        icon_name = empathy_icon_name_for_presence (state);
    }

    if (icon_name != NULL)
        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;
    if (event->must_ack) {
        priv->showing_event_icon = TRUE;
        status_icon_update_icon (icon);
        status_icon_update_tooltip (icon);
    }

    if (!priv->blink_timeout && priv->showing_event_icon) {
        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);

    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;
    }

    status_icon_update_tooltip (icon);
}

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

    if (store) {
        g_settings_set_boolean (priv->gsettings_ui,
                    EMPATHY_PREFS_UI_MAIN_WINDOW_HIDDEN,
                    !visible);
    }

    if (!visible) {
        empathy_window_iconify (priv->window, priv->icon);
    } else {
        empathy_window_present (GTK_WINDOW (priv->window));
    }
}

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

    hidden = g_settings_get_boolean (gsettings, key);
    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_presence_changed_cb (EmpathyStatusIcon *icon)
{
    status_icon_update_icon (icon);
    status_icon_update_tooltip (icon);
}

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_KEY_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 (GtkToggleAction   *action,
                 EmpathyStatusIcon *icon)
{
    gboolean visible;

    visible = gtk_toggle_action_get_active (action);
    status_icon_set_visibility (icon, visible, TRUE);
}

static void
status_icon_new_message_cb (GtkAction         *action,
                EmpathyStatusIcon *icon)
{
    empathy_new_message_dialog_show (NULL);
}

static void
status_icon_new_call_cb (GtkAction         *action,
                EmpathyStatusIcon *icon)
{
    empathy_new_call_dialog_show (NULL);
}

static void
status_icon_quit_cb (GtkAction         *action,
             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             *menu_item;
    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_toggle_action_set_active (GTK_TOGGLE_ACTION (priv->show_window_item),
                      show);
    g_signal_handlers_unblock_by_func (priv->show_window_item,
                       status_icon_show_hide_window_cb,
                       icon);

    menu_item = gtk_ui_manager_get_widget (priv->ui_manager, "/menu/status");
    submenu = empathy_presence_chooser_create_menu ();
    gtk_menu_item_set_submenu (GTK_MENU_ITEM (menu_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,
                    "ui_manager", &priv->ui_manager,
                    "menu", &priv->popup_menu,
                    "show_list", &priv->show_window_item,
                    "new_message", &priv->new_message_item,
                    "status", &priv->status_item,
                       NULL);
    g_free (filename);

    empathy_builder_connect (gui, icon,
                  "show_list", "toggled", status_icon_show_hide_window_cb,
                  "new_message", "activate", status_icon_new_message_cb,
                  "new_call", "activate", status_icon_new_call_cb,
                  "quit", "activate", status_icon_quit_cb,
                  NULL);

    g_object_ref (priv->ui_manager);
    g_object_unref (gui);
}

static void
status_icon_status_changed_cb (TpAccount *account,
                   TpConnectionStatus current,
                   TpConnectionStatus previous,
                   TpConnectionStatusReason reason,
                   gchar *dbus_error_name,
                   GHashTable *details,
                   EmpathyStatusIcon *icon)
{
    EmpathyStatusIconPriv *priv = GET_PRIV (icon);

    gtk_action_set_sensitive (priv->new_message_item,
                  empathy_account_manager_get_accounts_connected (NULL));
}

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

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

    g_object_unref (priv->icon);
    g_object_unref (priv->account_manager);
    g_object_unref (priv->event_manager);
    g_object_unref (priv->ui_manager);
    g_object_unref (priv->gsettings_ui);
    g_object_unref (priv->window);
}

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
account_manager_prepared_cb (GObject *source_object,
                 GAsyncResult *result,
                 gpointer user_data)
{
    GList *list, *l;
    TpAccountManager *account_manager = TP_ACCOUNT_MANAGER (source_object);
    EmpathyStatusIcon *icon = user_data;
    GError *error = NULL;

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

    list = tp_account_manager_get_valid_accounts (account_manager);
    for (l = list; l != NULL; l = l->next) {
        tp_g_signal_connect_object (l->data, "status-changed",
                         G_CALLBACK (status_icon_status_changed_cb),
                         icon, 0);
    }
    g_list_free (list);

    status_icon_presence_changed_cb (icon);
}

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 = tp_account_manager_dup ();
    priv->event_manager = empathy_event_manager_dup_singleton ();

    tp_account_manager_prepare_async (priv->account_manager, NULL,
        account_manager_prepared_cb, icon);

    /* make icon listen and respond to MAIN_WINDOW_HIDDEN changes */
    priv->gsettings_ui = g_settings_new (EMPATHY_PREFS_UI_SCHEMA);
    g_signal_connect (priv->gsettings_ui,
              "changed::" EMPATHY_PREFS_UI_MAIN_WINDOW_HIDDEN,
              G_CALLBACK (status_icon_notify_visibility_cb),
              icon);

    status_icon_create_menu (icon);

    g_signal_connect_swapped (priv->account_manager,
                  "most-available-presence-changed",
                  G_CALLBACK (status_icon_presence_changed_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) {
        should_hide = g_settings_get_boolean (priv->gsettings_ui,
            EMPATHY_PREFS_UI_MAIN_WINDOW_HIDDEN);
    } else {
        should_hide = TRUE;
    }

    status_icon_set_visibility (icon, !should_hide, FALSE);

    return icon;
}