/*  Audacious - Cross-platform multimedia player
 *  Copyright (C) 2005-2007  Audacious development team
 *
 *  Based on BMP:
 *  Copyright (C) 2003-2004  BMP development team.
 *
 *  Based on XMMS:
 *  Copyright (C) 1998-2003  XMMS development team.
 *
 *  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; under version 3 of the License.
 *
 *  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, see <http://www.gnu.org/licenses>.
 *
 *  The Audacious team does not consider modular code linking to
 *  Audacious or using our public API to be a derived work.
 */

#ifdef HAVE_CONFIG_H
#  include "config.h"
#endif

#define NEED_GLADE
#include "util.h"

#include <glib.h>
#include <glib/gi18n.h>
#include <gtk/gtk.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>

#include "platform/smartinclude.h"
#include <errno.h>

#include "input.h"
#include "main.h"
#include "playback.h"
#include "strings.h"
#include "ui_playlist.h"

#ifdef USE_CHARDET
#include "../libguess/libguess.h"
#  ifdef HAVE_UDET
#    include <libudet_c.h>
#  endif
#endif

#define URL_HISTORY_MAX_SIZE 30

static void
util_add_url_callback(GtkWidget * widget,
                      GtkEntry * entry)
{
    const gchar *text;

    text = gtk_entry_get_text(entry);
    if (g_list_find_custom(cfg.url_history, text, (GCompareFunc) strcasecmp))
        return;

    cfg.url_history = g_list_prepend(cfg.url_history, g_strdup(text));

    while (g_list_length(cfg.url_history) > URL_HISTORY_MAX_SIZE) {
        GList *node = g_list_last(cfg.url_history);
        g_free(node->data);
        cfg.url_history = g_list_delete_link(cfg.url_history, node);
    }
}

GtkWidget *
util_add_url_dialog_new(const gchar * caption, GCallback ok_func,
                        GCallback enqueue_func)
{
    GtkWidget *win, *vbox, *bbox, *cancel, *enqueue, *ok, *combo, *entry, 
              *label;
    GList *url;

    win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
    gtk_window_set_title(GTK_WINDOW(win), _("Add/Open URL Dialog"));
    gtk_window_set_type_hint(GTK_WINDOW(win), GDK_WINDOW_TYPE_HINT_DIALOG);
    gtk_window_set_position(GTK_WINDOW(win), GTK_WIN_POS_CENTER);
    gtk_window_set_default_size(GTK_WINDOW(win), 400, -1);
    gtk_container_set_border_width(GTK_CONTAINER(win), 12);

    vbox = gtk_vbox_new(FALSE, 10);
    gtk_container_add(GTK_CONTAINER(win), vbox);

    label = gtk_label_new(caption);
    gtk_misc_set_alignment(GTK_MISC(label), 0, 0.5);
    gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);

    combo = gtk_combo_box_entry_new_text();
    gtk_box_pack_start(GTK_BOX(vbox), combo, FALSE, FALSE, 0);

    entry = gtk_bin_get_child(GTK_BIN(combo));
    gtk_window_set_focus(GTK_WINDOW(win), entry);
    gtk_entry_set_text(GTK_ENTRY(entry), "");

    for (url = cfg.url_history; url; url = g_list_next(url))
        gtk_combo_box_append_text(GTK_COMBO_BOX(combo),
                                  (const gchar *) url->data);

    g_signal_connect(entry, "activate",
                     G_CALLBACK(util_add_url_callback),
                     entry);
    g_signal_connect(entry, "activate",
                     G_CALLBACK(ok_func),
                     entry);
    g_signal_connect_swapped(entry, "activate",
                             G_CALLBACK(gtk_widget_destroy),
                             win);

    bbox = gtk_hbutton_box_new();
    gtk_button_box_set_layout(GTK_BUTTON_BOX(bbox), GTK_BUTTONBOX_END);
    gtk_button_box_set_spacing(GTK_BUTTON_BOX(bbox), 5);
    gtk_box_pack_start(GTK_BOX(vbox), bbox, FALSE, FALSE, 0);

    cancel = gtk_button_new_from_stock(GTK_STOCK_CLOSE);
    gtk_box_pack_start(GTK_BOX(bbox), cancel, FALSE, FALSE, 0);
    gtk_button_box_set_child_secondary(GTK_BUTTON_BOX(bbox), cancel, TRUE);

    g_signal_connect_swapped(cancel, "clicked",
                             G_CALLBACK(gtk_widget_destroy),
                             win);

    enqueue = gtk_button_new_from_stock(GTK_STOCK_ADD);
    gtk_box_pack_start(GTK_BOX(bbox), enqueue, FALSE, FALSE, 0);

    g_signal_connect(enqueue, "clicked",
                     G_CALLBACK(util_add_url_callback),
                     entry);
    g_signal_connect(enqueue, "clicked",
                     G_CALLBACK(enqueue_func),
                     entry);
    g_signal_connect_swapped(enqueue, "clicked",
                             G_CALLBACK(gtk_widget_destroy),
                             win);

    ok = gtk_button_new_from_stock(GTK_STOCK_OPEN);
    g_signal_connect(ok, "clicked",
                     G_CALLBACK(util_add_url_callback), entry);
    g_signal_connect(ok, "clicked",
                     G_CALLBACK(ok_func), entry);
    g_signal_connect_swapped(ok, "clicked",
                             G_CALLBACK(gtk_widget_destroy),
                             win);
    gtk_box_pack_start(GTK_BOX(bbox), ok, FALSE, FALSE, 0);

    gtk_widget_show_all(vbox);

    return win;
}
