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/**
* @file llviewerhelp.cpp
* @brief Utility functions for the Help system
* @author Tofu Linden
*
* $LicenseInfo:firstyear=2009&license=viewergpl$
*
* Copyright (c) 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 "llfloaterhelpbrowser.h"
#include "llfloaterreg.h"
#include "llfocusmgr.h"
#include "llviewercontrol.h"
#include "llappviewer.h"
#include "lllogininstance.h"
#include "llviewerhelputil.h"
#include "llviewerhelp.h"
//////////////////////////////
// implement LLHelp interface
void LLViewerHelp::showTopic(const std::string &topic)
{
// allow overriding the help server with a local help file
if( gSavedSettings.getBOOL("HelpUseLocal") )
{
showHelp();
LLFloaterHelpBrowser* helpbrowser = dynamic_cast<LLFloaterHelpBrowser*>(LLFloaterReg::getInstance("help_browser"));
helpbrowser->navigateToLocalPage( "help-offline" , "index.html" );
return;
}
// if the help topic is empty, use the default topic
std::string help_topic = topic;
if (help_topic.empty())
{
help_topic = defaultTopic();
}
// f1 help topic means: if the user is not logged in yet, show
// the pre-login topic instead of the default fallback topic,
// otherwise show help for the focused item
if (help_topic == f1HelpTopic())
{
help_topic = getTopicFromFocus();
if (help_topic == defaultTopic() && ! LLLoginInstance::getInstance()->authSuccess())
{
help_topic = preLoginTopic();
}
}
// work out the URL for this topic and display it
showHelp();
std::string helpURL = LLViewerHelpUtil::buildHelpURL( help_topic );
setRawURL( helpURL );
}
std::string LLViewerHelp::defaultTopic()
{
// *hack: to be done properly
return "this_is_fallbacktopic";
}
std::string LLViewerHelp::preLoginTopic()
{
// *hack: to be done properly
return "pre_login_help";
}
std::string LLViewerHelp::f1HelpTopic()
{
// *hack: to be done properly
return "f1_help";
}
//////////////////////////////
// our own interfaces
std::string LLViewerHelp::getTopicFromFocus()
{
// use UI element with viewer's keyboard focus as basis for searching
LLUICtrl* focused = dynamic_cast<LLUICtrl*>(gFocusMgr.getKeyboardFocus());
if (focused)
{
std::string topic;
if (focused->findHelpTopic(topic))
{
return topic;
}
}
// didn't find a help topic in the UI hierarchy for focused
// element, return the fallback topic name instead.
return defaultTopic();
}
// static
void LLViewerHelp::showHelp()
{
LLFloaterHelpBrowser* helpbrowser = dynamic_cast<LLFloaterHelpBrowser*>(LLFloaterReg::getInstance("help_browser"));
if (helpbrowser)
{
BOOL visible = TRUE;
BOOL take_focus = TRUE;
helpbrowser->setVisible(visible);
helpbrowser->setFrontmost(take_focus);
}
else
{
llwarns << "Eep, help_browser floater not found" << llendl;
}
}
// static
void LLViewerHelp::setRawURL(std::string url)
{
LLFloaterHelpBrowser* helpbrowser = dynamic_cast<LLFloaterHelpBrowser*>(LLFloaterReg::getInstance("help_browser"));
if (helpbrowser)
{
helpbrowser->openMedia(url);
}
else
{
llwarns << "Eep, help_browser floater not found" << llendl;
}
}
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