/*
 *  Copyright (C) Stephan Arts 2009-2010 <stephan@xfce.org>
 *
 *  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 Library 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

#include <config.h>
#include <gio/gio.h>
#include <gtk/gtk.h>
#include <string.h>

#include "app_menu_item.h"

struct _RsttoAppMenuItemPriv
{
    GAppInfo *app_info;
    GFile *file;
};

static GtkWidgetClass *parent_class = NULL;

static void
rstto_app_menu_item_init(RsttoAppMenuItem *);
static void
rstto_app_menu_item_class_init(RsttoAppMenuItemClass *);
static void
rstto_app_menu_item_finalize(GObject *object);

static void
rstto_app_menu_item_activate (GtkMenuItem *object);

GType
rstto_app_menu_item_get_type (void)
{
    static GType rstto_app_menu_item_type = 0;

    if (!rstto_app_menu_item_type)
    {
        static const GTypeInfo rstto_app_menu_item_info = 
        {
            sizeof (RsttoAppMenuItemClass),
            (GBaseInitFunc) NULL,
            (GBaseFinalizeFunc) NULL,
            (GClassInitFunc) rstto_app_menu_item_class_init,
            (GClassFinalizeFunc) NULL,
            NULL,
            sizeof (RsttoAppMenuItem),
            0,
            (GInstanceInitFunc) rstto_app_menu_item_init,
            NULL
        };

        rstto_app_menu_item_type = g_type_register_static (GTK_TYPE_IMAGE_MENU_ITEM, "RsttoAppMenuItem", &rstto_app_menu_item_info, 0);
    }
    return rstto_app_menu_item_type;
}

static void
rstto_app_menu_item_init (RsttoAppMenuItem *menu_item)
{
    menu_item->priv = g_new0 (RsttoAppMenuItemPriv, 1);
}

static void
rstto_app_menu_item_class_init(RsttoAppMenuItemClass *app_menu_item_class)
{
    GtkMenuItemClass *menu_item_class;
    GObjectClass *object_class;

    object_class = (GObjectClass*)app_menu_item_class;
    menu_item_class = (GtkMenuItemClass*)app_menu_item_class;

    parent_class = g_type_class_peek_parent (app_menu_item_class);

    object_class->finalize = rstto_app_menu_item_finalize;
    menu_item_class->activate = rstto_app_menu_item_activate;
}

/**
 * rstto_app_menu_item_finalize:
 * @object: application-menu-item
 *
 * Cleanup the app-menu-item internals
 *
 */
static void
rstto_app_menu_item_finalize(GObject *object)
{
    RsttoAppMenuItem *menu_item = RSTTO_APP_MENU_ITEM(object);
    if (menu_item->priv->app_info)
    {
        g_object_unref (menu_item->priv->app_info);
        menu_item->priv->app_info = NULL;
    }
    if (menu_item->priv->file)
    {
        g_object_unref (menu_item->priv->file);
        menu_item->priv->file = NULL;
    }

}

/**
 * rstto_app_menu_item_activate:
 * @object: GtkMenuItem that is activated
 *
 * Launch the associated application
 */
static void
rstto_app_menu_item_activate (GtkMenuItem *object)
{
    RsttoAppMenuItem *app_menu_item = RSTTO_APP_MENU_ITEM (object);
    GList *files = g_list_append (NULL, app_menu_item->priv->file);

    g_app_info_launch (app_menu_item->priv->app_info, files, NULL, NULL);

    GTK_MENU_ITEM_CLASS(parent_class)->activate (GTK_MENU_ITEM (object));
}

/**
 * rstto_app_menu_item_new:
 * @app_info: Application info
 * @file: File
 * 
 * Creates new RsttoAppMenuItem
 *
 * Returns: RsttoAppMenuItem that launches application @app_info with @file 
 */
GtkWidget *
rstto_app_menu_item_new (GAppInfo *app_info, GFile *file)
{
    RsttoAppMenuItem *menu_item;
    GtkWidget *image = NULL;
    GIcon *icon = NULL;

    g_return_val_if_fail (app_info != NULL, NULL);

    menu_item = g_object_new (RSTTO_TYPE_APP_MENU_ITEM, NULL);

    menu_item->priv->app_info = app_info;
    g_object_ref (app_info);

    menu_item->priv->file = file;
    g_object_ref (file);

    icon = g_app_info_get_icon (app_info);
    if (icon)
    {
        image = gtk_image_new_from_gicon (icon, GTK_ICON_SIZE_MENU);
    }

    gtk_menu_item_set_label (GTK_MENU_ITEM (menu_item), g_app_info_get_name (app_info));
    gtk_image_menu_item_set_image (GTK_IMAGE_MENU_ITEM (menu_item), image);

    return GTK_WIDGET (menu_item);
}