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/*
 * Copyright 2008 Fran├žois Revol <mmu_man@users.sourceforge.net>
 *
 * This file is part of NetSurf, http://www.netsurf-browser.org/
 *
 * NetSurf 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; version 2 of the License.
 *
 * NetSurf 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/>.
 */

#define __STDBOOL_H__	1
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <Alert.h>
#include <String.h>
#include <TextControl.h>
#include <View.h>
#include <Window.h>

extern "C" {
#include "utils/log.h"
#include "utils/messages.h"
#include "utils/url.h"
#include "utils/utils.h"
#include "utils/nsurl.h"
#include "netsurf/content_type.h"
#include "netsurf/browser_window.h"
#include "netsurf/clipboard.h"
}

#include "beos/gui.h"
#include "beos/scaffolding.h"
#include "beos/window.h"

class LoginAlert : public BAlert {
public:
        LoginAlert(nserror (*callback)(const char *username,
				const char *password,
				void *pw),
                   void *callbaclpw,
                   nsurl *url,
                   const char *host,
                   const char *realm,
                   const char *text);
        virtual ~LoginAlert();
        void MessageReceived(BMessage *message);

private:
        nsurl* fUrl;				/**< URL being fetched */
        BString fHost;				/**< Host for user display */
        BString fRealm;				/**< Authentication realm */
        nserror (*fCallback)(const char *username,
			const char *password,
			void *pw);
        void *fCallbackPw;

        BTextControl *fUserControl;
        BTextControl *fPassControl;
};

static void create_login_window(nsurl *host,
                lwc_string *realm, const char *fetchurl,
                nserror (*cb)(const char *username,
				const char *password,
				void *pw), void *cbpw);


#define TC_H 25
#define TC_MARGIN 10

LoginAlert::LoginAlert(nserror (*callback)(const char *username,
						const char *password,
						void *pw),
				void *callbackpw,
				nsurl *url, 
				const char *host, 
				const char *realm, 
				const char *text)
	: BAlert("Login", text, "Cancel", "Ok", NULL, 
		B_WIDTH_AS_USUAL, B_WARNING_ALERT)
{
	fCallback = callback;
	fCallbackPw = callbackpw;
	fUrl = url;
	fHost = host;
	fRealm = realm;

	SetFeel(B_MODAL_SUBSET_WINDOW_FEEL);
	/*
	// XXX: can't do that anymore
	nsbeos_scaffolding *s = nsbeos_get_scaffold(bw->window);
	if (s) {
		NSBrowserWindow *w = nsbeos_get_bwindow_for_scaffolding(s);
		if (w)
			AddToSubset(w);
	}*/

	// make space for controls
	ResizeBy(0, 2 * TC_H);
	MoveTo(AlertPosition(Frame().Width() + 1, 
		Frame().Height() + 1));


	BTextView *tv = TextView();
	BRect r(TC_MARGIN, tv->Bounds().bottom - 2 * TC_H, 
		tv->Bounds().right - TC_MARGIN, tv->Bounds().bottom - TC_H);

	fUserControl = new BTextControl(r, "user", "Username", "", 
		new BMessage(), B_FOLLOW_BOTTOM | B_FOLLOW_RIGHT);
	fUserControl->SetDivider(60);
	tv->AddChild(fUserControl);

	r.OffsetBySelf(0, TC_H);

	fPassControl = new BTextControl(r, "pass", "Password", "", 
		new BMessage(), B_FOLLOW_BOTTOM | B_FOLLOW_RIGHT);
	fPassControl->TextView()->HideTyping(true);
	fPassControl->SetDivider(60);
	tv->AddChild(fPassControl);
	
	SetShortcut(0, B_ESCAPE);
}

LoginAlert::~LoginAlert()
{
}

void
LoginAlert::MessageReceived(BMessage *message)
{
	switch (message->what) {
	case 'ALTB':
	{
		int32 which;
		if (message->FindInt32("which", &which) < B_OK)
			break;
		// not 'Ok'
		if (which != 1)
			break;
		BMessage *m = new BMessage(*message);
		m->what = 'nsLO';
		m->AddPointer("URL", fUrl);
		m->AddString("Host", fHost.String());
		m->AddString("Realm", fRealm.String());
		m->AddPointer("callback", (void *)fCallback);
		m->AddPointer("callback_pw", (void *)fCallbackPw);
		m->AddString("User", fUserControl->Text());
		m->AddString("Pass", fPassControl->Text());
		BString auth(fUserControl->Text());
		auth << ":" << fPassControl->Text();
		m->AddString("Auth", auth.String());
		
		// notify the main thread
		// the event dispatcher will handle it
		nsbeos_pipe_message(m, NULL, NULL);
	}
		break;
	default:
		break;
	}
	BAlert::MessageReceived(message);
}


extern "C" nserror gui_401login_open(nsurl *url, const char *realm,
		const char *username, const char *password,
		nserror (*cb)(const char *username,
				const char *password,
				void *pw),
		void *cbpw)
{
	lwc_string *host;

	host = nsurl_get_component(url, NSURL_HOST);

	create_login_window(url, host, realm, cb, cbpw);

	free(host);

	return NSERROR_OK;
}

//void create_login_window(struct browser_window *bw, const char *host,
//		const char *realm, const char *fetchurl)
static void create_login_window(nsurl *url, lwc_string *host,
                const char *realm, nserror (*cb)(
                		const char *username,
                		const char *password,
                		void *pw),
                void *cbpw)
{
	BString r("Secure Area");
	if (realm)
		r = realm;
	BString text(/*messages_get(*/"Please login\n");
	text << "Realm:	" << r << "\n";
	text << "Host:	" << host << "\n";
	//text << "\n";

	LoginAlert *a = new LoginAlert(cb, cbpw, url, lwc_string_data(host),
		r.String(), text.String());
	// asynchronously
	a->Go(NULL);

}