1 files changed, 65 insertions, 0 deletions
diff --git a/indra/newview/llviewerhelp.h b/indra/newview/llviewerhelp.h
new file mode 100644
index 0000000000..7612986227
--- /dev/null
+++ b/indra/newview/llviewerhelp.h
@@ -0,0 +1,65 @@
+/** 
+ * @file llviewerhelp.h
+ * @brief Utility functions for the Help system
+ * @author Tofu Linden
+ *
+ * $LicenseInfo:firstyear=2009&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library 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
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLVIEWERHELP_H
+#define LL_LLVIEWERHELP_H
+
+// The Help UI lives in llfloaterhelpbrowser, llviewerhelp provides a
+// layer of abstraction that protects help-system-using code from the details of
+// the Help UI floater and how help topics are converted into URLs.
+
+#include "llhelp.h" // our abstract base
+#include "llsingleton.h"
+
+class LLUICtrl;
+
+class LLViewerHelp : public LLHelp, public LLSingleton<LLViewerHelp>
+{
+	friend class LLSingleton<LLViewerHelp>;
+
+ public:
+	/// display the specified help topic in the help viewer
+	/*virtual*/ void showTopic(const std::string &topic);
+
+	// return topic derived from viewer UI focus, else default topic
+	std::string getTopicFromFocus();
+
+	/// return default (fallback) topic name suitable for showTopic()
+	/*virtual*/ std::string defaultTopic();
+
+	// return topic to use before the user logs in
+	/*virtual*/ std::string preLoginTopic();
+
+	// return topic to use for the top-level help, invoked by F1
+	/*virtual*/ std::string f1HelpTopic();
+
+ private:
+	static void showHelp(); // make sure help UI is visible & raised
+	static void setRawURL(std::string url); // send URL to help UI
+};
+
+#endif // header guard