/* Copyright (C) 1999 Southern Gold Development <bruces@mail.petech.ac.za>
 *
 * 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 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 "gview.h"

#ifdef HAVE_NET
void netload(sgview *view, const gchar *url) {
	gint res, retPid, status;
	gchar *cmdLine[8], *fName, *eName;
	
	fName = rindex(url, '/');
	eName = g_strconcat("/tmp", fName, NULL);
	res = fork();
	switch (res) {
		case -1:
			return;
			break;
		case 0:
#ifdef HAVE_CURL
			cmdLine[0] = CURL_EXEC;
			cmdLine[1] = "-s";
			cmdLine[2] = "-L";
			cmdLine[3] = "-f";
			cmdLine[4] = (gchar *) url;
			cmdLine[5] = "-o";
			cmdLine[6] = eName;
			cmdLine[7] = NULL;
			execvp(cmdLine[0], cmdLine);
#endif /* HAVE_CURL */
#ifdef HAVE_WGET
			cmdLine[0] = WGET_EXEC;
			cmdLine[1] = "-q";
			cmdLine[2] = "-N";
			cmdLine[3] = (gchar *) url;
			cmdLine[4] = "-O";
			cmdLine[5] = eName;
			cmdLine[6] = NULL;
			cmdLine[7] = NULL;
			execvp(cmdLine[0], cmdLine);
#endif /* HAVE_WGET */
#if !defined (HAVE_CURL) || !defined (HAVE_WGET)
			execvp("/bin/false", NULL);
#endif
			break;
		default:
			retPid = wait(&status);
			if (status == 0) {
				handleFile(view, eName);
				g_free(eName);
			}
			else {
				g_print("Error downloading file %s\n", url);
			}
			break;
	}
}

gint netKey(GtkWidget *widget, GdkEventKey *event, gpointer data) {
	ren *openD;
	gchar *nfile;

	openD = (ren *) data;
	nfile = g_strdup(gtk_entry_get_text(GTK_ENTRY (openD->ent)));
	switch (event->keyval) {
		case GDK_Return:
		case GDK_KP_Enter:
			netload(openD->view, nfile);
			gtk_widget_destroy(openD->rsp);
			break;
		case GDK_Escape:
			gtk_widget_destroy(openD->rsp);
			break;
		default:
			break;
	}
	g_free(nfile);
	return TRUE;
}

void netURL(GtkWidget *widget, gpointer data) {
	ren *openD;
	gchar *nfile;
	
	openD = (ren *) data;
	nfile = g_strdup(gtk_entry_get_text(GTK_ENTRY (openD->ent)));
	netload(openD->view, nfile);
	gtk_widget_destroy(openD->rsp);
	g_free(nfile);
}

void cancelURL(GtkWidget *widget, gpointer data) {
	gtk_widget_destroy(((ren *) data)->rsp);
}

void netDestroy(GtkWidget *widget, gpointer data) {
	g_free((ren *) data);
}

void menuOpenURL(GtkWidget *widget, gpointer data) {
	sgview *view;
	ren *openD;
	GtkWidget *win, *fix, *ent, *hbox;

	view = (sgview *) data;
	openD = g_malloc(sizeof(ren) * 1);
	openD->view = view;
	win = gtk_window_new(GTK_WINDOW_DIALOG);
	openD->rsp = win;
	gtk_window_set_title(GTK_WINDOW (win), _("Open URL"));
	gtk_window_set_policy(GTK_WINDOW (win), FALSE, FALSE, FALSE);
	gtk_container_border_width(GTK_CONTAINER (win), 5);
	gtk_widget_set_usize(GTK_WIDGET (win), 160, 70);
	gtk_window_set_modal(GTK_WINDOW (win), TRUE);
	gtk_window_set_position(GTK_WINDOW (win), GTK_WIN_POS_MOUSE);
	gtk_signal_connect(GTK_OBJECT (win), "destroy", (GtkSignalFunc) netDestroy, (gpointer) openD);

	fix = gtk_fixed_new();
	gtk_container_add(GTK_CONTAINER (win), fix);

	ent = gtk_entry_new();
	openD->ent = ent;
	gtk_widget_set_usize(GTK_WIDGET (ent), 150, 24);
	gtk_entry_set_text(GTK_ENTRY (ent), "http://");
	gtk_entry_select_region(GTK_ENTRY (ent), 0, -1);
	gtk_entry_set_editable(GTK_ENTRY (ent), TRUE);
	gtk_entry_set_position(GTK_ENTRY (ent), 7);
	gtk_fixed_put(GTK_FIXED (fix), ent, 0, 5);
	gtk_signal_connect(GTK_OBJECT (ent), "key_press_event", (GtkSignalFunc) netKey, (gpointer) openD);
	gtk_widget_show(ent);

	hbox = gtk_hbox_new(TRUE, 10);
	gtk_widget_set_usize(GTK_WIDGET (hbox), 150, 25);
	gtk_fixed_put(GTK_FIXED (fix), hbox, 0, 35);

	gAddButtonBox(view, (gpointer) openD, GTK_BOX (hbox), _("Open URL"), _("Load image from the Internet"), (GtkSignalFunc) netURL);
	gAddButtonBox(view, (gpointer) openD, GTK_BOX (hbox), _("Cancel"), _("Cancel file download"), (GtkSignalFunc) cancelURL);

	gtk_widget_show(hbox);
	gtk_widget_show(fix);
	gtk_widget_show(win);
	gtk_window_set_focus(GTK_WINDOW (win), GTK_WIDGET (ent));
}
#endif /* HAVE_NET */