1 files changed, 66 insertions, 7 deletions

diff --git a/indra/newview/llviewerhelp.cpp b/indra/newview/llviewerhelp.cpp
index 0e0727e382..b82538dacb 100644
--- a/indra/newview/llviewerhelp.cpp
+++ b/indra/newview/llviewerhelp.cpp
@@ -33,35 +33,82 @@
 
 #include "llviewerprecompiledheaders.h"
 
+#include "llcommandhandler.h"
 #include "llfloaterhelpbrowser.h"
 #include "llfloaterreg.h"
 #include "llfocusmgr.h"
 #include "llviewercontrol.h"
-#include "llversionviewer.h"
 #include "llappviewer.h"
+#include "lllogininstance.h"
 
 #include "llviewerhelputil.h"
 #include "llviewerhelp.h"
 
+// support for secondlife:///app/help/{TOPIC} SLapps
+class LLHelpHandler : public LLCommandHandler
+{
+public:
+	// requests will be throttled from a non-trusted browser
+	LLHelpHandler() : LLCommandHandler("help", UNTRUSTED_THROTTLE) {}
+
+	bool handle(const LLSD& params, const LLSD& query_map, LLMediaCtrl* web)
+	{
+		LLViewerHelp* vhelp = LLViewerHelp::getInstance();
+		if (! vhelp)
+		{
+			return false;
+		}
+
+		// get the requested help topic name, or use the fallback if none
+		std::string help_topic = vhelp->defaultTopic();
+		if (params.size() >= 1)
+		{
+			help_topic = params[0].asString();
+		}
+
+		vhelp->showTopic(help_topic);
+		return true;
+	}
+};
+LLHelpHandler gHelpHandler;
 
 //////////////////////////////
 // implement LLHelp interface
 
 void LLViewerHelp::showTopic(const std::string &topic)
 {
-	showHelp();
-	
+	// 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;
 	}
-	else 
+
+	// if the help topic is empty, use the default topic
+	std::string help_topic = topic;
+	if (help_topic.empty())
 	{
-		const LLOSInfo& osinfo = LLAppViewer::instance()->getOSInfo();
-		std::string helpURL = LLViewerHelpUtil::buildHelpURL( topic, gSavedSettings, osinfo );
-		setRawURL( helpURL );
+		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()
@@ -70,6 +117,18 @@ std::string LLViewerHelp::defaultTopic()
 	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