/** 
 * @file llweb.cpp
 * @brief Functions dealing with web browsers
 * @author James Cook
 *
 * $LicenseInfo:firstyear=2006&license=viewergpl$
 * 
 * Copyright (c) 2006-2009, Linden Research, Inc.
 * 
 * Second Life Viewer Source Code
 * The source code in this file ("Source Code") is provided by Linden Lab
 * to you under the terms of the GNU General Public License, version 2.0
 * ("GPL"), unless you have obtained a separate licensing agreement
 * ("Other License"), formally executed by you and Linden Lab.  Terms of
 * the GPL can be found in doc/GPL-license.txt in this distribution, or
 * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
 * 
 * There are special exceptions to the terms and conditions of the GPL as
 * it is applied to this Source Code. View the full text of the exception
 * in the file doc/FLOSS-exception.txt in this software distribution, or
 * online at
 * http://secondlifegrid.net/programs/open_source/licensing/flossexception
 * 
 * By copying, modifying or distributing this software, you acknowledge
 * that you have read and understood your obligations described above,
 * and agree to abide by those obligations.
 * 
 * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
 * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
 * COMPLETENESS OR PERFORMANCE.
 * $/LicenseInfo$
 */

#include "llviewerprecompiledheaders.h"

#include "llweb.h"

// Library includes
#include "llwindow.h"	// spawnWebBrowser()

#include "llviewerwindow.h"
#include "llviewercontrol.h"
#include "llfloatermediabrowser.h"
#include "llfloaterreg.h"
#include "llalertdialog.h"

class URLLoader : public LLAlertDialog::URLLoader
{
	virtual void load(const std::string& url , bool force_open_externally)
	{
		if (force_open_externally)
		{
			LLWeb::loadURLExternal(url);
		}
		else
		{
			LLWeb::loadURL(url);
		}
	}
};
static URLLoader sAlertURLLoader;


// static
void LLWeb::initClass()
{
	LLAlertDialog::setURLLoader(&sAlertURLLoader);
}


// static
void LLWeb::loadURL(const std::string& url)
{
	if (gSavedSettings.getBOOL("UseExternalBrowser"))
	{
		loadURLExternal(url);
	}
	else
	{
		loadURLInternal(url);
	}
}


// static
void LLWeb::loadURLInternal(const std::string &url)
{
	LLFloaterReg::showInstance("media_browser", url);
}


// static
void LLWeb::loadURLExternal(const std::string& url)
{
	std::string escaped_url = escapeURL(url);
	gViewerWindow->getWindow()->spawnWebBrowser(escaped_url);
}


// static
std::string LLWeb::escapeURL(const std::string& url)
{
	// The CURL curl_escape() function escapes colons, slashes,
	// and all characters but A-Z and 0-9.  Do a cheesy mini-escape.
	std::string escaped_url;
	S32 len = url.length();
	for (S32 i = 0; i < len; i++)
	{
		char c = url[i];
		if (c == ' ')
		{
			escaped_url += "%20";
		}
		else if (c == '\\')
		{
			escaped_url += "%5C";
		}
		else
		{
			escaped_url += c;
		}
	}
	return escaped_url;
}
