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path: root/src/empathy-status-icon.c
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/* -*- 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 <libnotify/notification.h>
#include <libnotify/notify.h>

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

#include <libempathy/empathy-gsettings.h>
#include <libempathy/empathy-utils.h>
#include <libempathy/empathy-tp-streamed-media.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 <libempathy-gtk/empathy-notify-manager.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;
    EmpathyNotifyManager *notify_mgr;
    gboolean             showing_event_icon;
    guint                blink_timeout;
    EmpathyEventManager *event_manager;
    EmpathyEvent        *event;
    NotifyNotification  *notification;
    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_notification_closed_cb (NotifyNotification *notification,
                    EmpathyStatusIcon  *icon)
{
    EmpathyStatusIconPriv *priv = GET_PRIV (icon);

    g_object_unref (notification);

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

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

    /* inhibit other updates for this event */
    empathy_event_inhibit_updates (priv->event);
}

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

static void
notification_approve_no_video_cb (NotifyNotification *notification,
            gchar              *action,
            EmpathyStatusIcon  *icon)
{
    EmpathyStatusIconPriv *priv = GET_PRIV (icon);

    if (priv->event) {
        tpy_call_channel_send_video (
            TPY_CALL_CHANNEL (priv->event->handler_instance),
            FALSE);
        empathy_event_approve (priv->event);
    }
}

static void
notification_approve_cb (NotifyNotification *notification,
            gchar              *action,
            EmpathyStatusIcon  *icon)
{
    EmpathyStatusIconPriv *priv = GET_PRIV (icon);

    if (priv->event)
        empathy_event_approve (priv->event);
}

static void
notification_decline_cb (NotifyNotification *notification,
            gchar              *action,
            EmpathyStatusIcon  *icon)
{
    EmpathyStatusIconPriv *priv = GET_PRIV (icon);

    if (priv->event)
        empathy_event_decline (priv->event);
}

static void
add_notification_actions (EmpathyStatusIcon *self,
              NotifyNotification *notification)
{
    EmpathyStatusIconPriv *priv = GET_PRIV (self);
    gboolean video;

    switch (priv->event->type) {
        case EMPATHY_EVENT_TYPE_CHAT:
            notify_notification_add_action (notification,
                "respond", _("Respond"), (NotifyActionCallback) notification_approve_cb,
                    self, NULL);
            break;

        case EMPATHY_EVENT_TYPE_VOIP:
        case EMPATHY_EVENT_TYPE_CALL:
            if (priv->event->type == EMPATHY_EVENT_TYPE_VOIP)
                video = empathy_tp_streamed_media_has_initial_video (
                    EMPATHY_TP_STREAMED_MEDIA (priv->event->handler_instance));
            else
                video = tpy_call_channel_has_initial_video (
                    TPY_CALL_CHANNEL (priv->event->handler_instance));

            notify_notification_add_action (notification,
                "reject", _("Reject"), (NotifyActionCallback) notification_decline_cb,
                    self, NULL);


            if (video && priv->event->type == EMPATHY_EVENT_TYPE_CALL)
                notify_notification_add_action (notification,
                    "answer-no-video", _("Answer"), (NotifyActionCallback)
                        notification_approve_no_video_cb,
                        self, NULL);

            notify_notification_add_action (notification,
                "answer", video ? _("Answer with video") : _("Answer"),
                    (NotifyActionCallback) notification_approve_cb,
                    self, NULL);
            break;

        case EMPATHY_EVENT_TYPE_TRANSFER:
        case EMPATHY_EVENT_TYPE_INVITATION:
            notify_notification_add_action (notification,
                "decline", _("Decline"), (NotifyActionCallback) notification_decline_cb,
                    self, NULL);

            notify_notification_add_action (notification,
                "accept", _("Accept"), (NotifyActionCallback) notification_approve_cb,
                    self, NULL);
            break;

        default:
            break;
    }
}

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

    if (!empathy_notify_manager_notification_is_enabled (priv->notify_mgr)) {
        /* always close the notification if this happens */
        notification_close_helper (priv);
        return;
    }

    if (priv->event) {
        gchar *message_esc = NULL;
        gboolean has_x_canonical_append;
        NotifyNotification *notification = priv->notification;

        if (priv->event->message != NULL)
            message_esc = g_markup_escape_text (priv->event->message, -1);

        has_x_canonical_append =
                empathy_notify_manager_has_capability (priv->notify_mgr,
                    EMPATHY_NOTIFY_MANAGER_CAP_X_CANONICAL_APPEND);

        if (notification != NULL && ! has_x_canonical_append) {
            /* if the notification server supports x-canonical-append, it is
               better to not use notify_notification_update to avoid
               overwriting the current notification message */
            notify_notification_update (notification,
                            priv->event->header, message_esc,
                            NULL);
        } else {
            /* if the notification server supports x-canonical-append,
               the hint will be added, so that the message from the
               just created notification will be automatically appended
               to an existing notification with the same title.
               In this way the previous message will not be lost: the new
               message will appear below it, in the same notification */
            notification = notify_notification_new
                (priv->event->header, message_esc, NULL);

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

            notify_notification_set_timeout (notification,
                             NOTIFY_EXPIRES_DEFAULT);

            if (has_x_canonical_append) {
                notify_notification_set_hint_string (notification,
                    EMPATHY_NOTIFY_MANAGER_CAP_X_CANONICAL_APPEND, "");
            }

            if (empathy_notify_manager_has_capability (priv->notify_mgr,
                       EMPATHY_NOTIFY_MANAGER_CAP_ACTIONS))
                add_notification_actions (icon, notification);

            g_signal_connect (notification, "closed",
                      G_CALLBACK (status_icon_notification_closed_cb), icon);
        }

        pixbuf = empathy_notify_manager_get_pixbuf_for_notification (
                                   priv->notify_mgr, priv->event->contact,
                                   priv->event->icon_name);

        if (pixbuf != NULL) {
            notify_notification_set_icon_from_pixbuf (notification, pixbuf);
            g_object_unref (pixbuf);
        }

        notify_notification_show (notification, NULL);

        g_free (message_esc);
    } else {
        notification_close_helper (priv);
    }
}

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;
    }

    if (event->type == EMPATHY_EVENT_TYPE_AUTH) {
        return;
    }

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

    priv->event = event;
    if (event->must_ack || event->type == EMPATHY_EVENT_TYPE_AUTH) {
        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->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;
    }

    if (event->type == EMPATHY_EVENT_TYPE_AUTH) {
        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 (event->type == EMPATHY_EVENT_TYPE_AUTH) {
        return;
    }

    if (empathy_notify_manager_notification_is_enabled (priv->notify_mgr)) {
        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) {
        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)
{
    EmpathyStatusIconPriv *priv = GET_PRIV (icon);

    status_icon_update_icon (icon);
    status_icon_update_tooltip (icon);

    if (!empathy_notify_manager_notification_is_enabled (priv->notify_mgr)) {
        /* dismiss the outstanding notification if present */

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

    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->account_manager);
    g_object_unref (priv->event_manager);
    g_object_unref (priv->ui_manager);
    g_object_unref (priv->notify_mgr);
    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);

    priv->notification = NULL;
    priv->notify_mgr = empathy_notify_manager_dup_singleton ();
}

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;
}