//
// C++ Implementation: DetectPal
//
// Description:
//
//
// Author: Jally <jallyx@163.com>, (C) 2008
//
// Copyright: See COPYING file that comes with this distribution
//
//
#include "DetectPal.h"
#include "CoreThread.h"
#include "Command.h"
#include "callback.h"
#include "output.h"
extern CoreThread cthrd;

/**
 * 类构造函数.
 */
DetectPal::DetectPal():widset(NULL)
{
        g_datalist_init(&widset);
}

/**
 * 类析构函数.
 */
DetectPal::~DetectPal()
{
        g_datalist_clear(&widset);
}

/**
 * 探测好友入口.
 * @param parent 父窗口指针
 */
void DetectPal::DetectEntry(GtkWidget *parent)
{
        GtkWidget *dialog;
        DetectPal dpal;

        /* 创建对话框窗体 */
        dialog = dpal.CreateMainDialog(parent);
        gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox),
                         dpal.CreateInputArea(), TRUE, TRUE, 0);

        /* 运行对话框 */
        gtk_widget_show_all(dialog);
mark:   switch (gtk_dialog_run(GTK_DIALOG(dialog))) {
        case GTK_RESPONSE_ACCEPT:
                dpal.SendDetectPacket();
                goto mark;
        default:
                break;
        }
        gtk_widget_destroy(dialog);
}

/**
 * 创建主对话框.
 * @param parent 父窗口指针
 * @return 对话框
 */
GtkWidget *DetectPal::CreateMainDialog(GtkWidget *parent)
{
        GtkWidget *dialog;

        dialog = gtk_dialog_new_with_buttons(_("Detect pals"), GTK_WINDOW(parent),
                         GtkDialogFlags(GTK_DIALOG_MODAL | GTK_DIALOG_NO_SEPARATOR),
                         _("Detect"), GTK_RESPONSE_ACCEPT,
                         _("Cancel"), GTK_RESPONSE_CANCEL, NULL);
        gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT);
        gtk_window_set_resizable(GTK_WINDOW(dialog), FALSE);
        gtk_container_set_border_width(GTK_CONTAINER(dialog), 5);
        g_datalist_set_data(&widset, "dialog-widget", dialog);

        return dialog;
}

/**
 * 创建接受输入区域.
 * @return 主窗体
 */
GtkWidget *DetectPal::CreateInputArea()
{
        GtkWidget *frame;
        GtkWidget *widget;

        frame = gtk_frame_new(_("Please input an IP address (IPv4 only):"));
        gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_ETCHED_IN);

        widget = gtk_entry_new();
        gtk_entry_set_max_length(GTK_ENTRY(widget), INET_ADDRSTRLEN);
        g_object_set(widget, "has-tooltip", TRUE, NULL);
        gtk_container_add(GTK_CONTAINER(frame), widget);
        g_signal_connect(widget, "query-tooltip", G_CALLBACK(entry_query_tooltip),
                                 _("Please input an IP address (IPv4 only)!"));
        g_signal_connect(widget, "insert-text", G_CALLBACK(entry_insert_numeric), NULL);
        g_datalist_set_data(&widset, "ipv4-entry-widget", widget);

        return frame;
}

/**
 * 发送探测数据包.
 */
void DetectPal::SendDetectPacket()
{
        GtkWidget *widget, *parent;
        Command cmd;
        in_addr_t ipv4;
        const char *text;

        parent = GTK_WIDGET(g_datalist_get_data(&widset, "dialog-widget"));
        widget = GTK_WIDGET(g_datalist_get_data(&widset, "ipv4-entry-widget"));
        gtk_widget_grab_focus(widget);  //为下一次任务做准备

        text = gtk_entry_get_text(GTK_ENTRY(widget));
        if (inet_pton(AF_INET, text, &ipv4) <= 0) {
                pop_warning(parent, _("\nIllegal IP(v4) address: %s!"), text);
                return;
        }

        cmd.SendDetectPacket(cthrd.UdpSockQuote(), ipv4);
        pop_info(parent, _("The notification has been sent to %s."), text);
        gtk_entry_set_text(GTK_ENTRY(widget), "");
}