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diff --git a/indra/llui/lldockcontrol.h b/indra/llui/lldockcontrol.h
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+/** 
+ * @file lldockcontrol.h
+ * @brief Creates a panel of a specific kind for a toast.
+ *
+ * $LicenseInfo:firstyear=2003&license=viewergpl$
+ * 
+ * Copyright (c) 2003-2009, 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.
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_DOCKCONTROL_H
+#define LL_DOCKCONTROL_H
+
+#include "llerror.h"
+#include "llview.h"
+#include "llfloater.h"
+#include "lluiimage.h"
+
+/**
+ * Provides services for docking of specified floater.
+ * This class should be used in case impossibility deriving from LLDockableFloater.
+ */
+class LLDockControl
+{
+public:
+	enum DocAt
+	{
+		TOP
+	};
+
+public:
+	LOG_CLASS(LLDockControl);
+	LLDockControl(LLView* dockWidget, LLFloater* dockableFloater,
+			const LLUIImagePtr& dockTongue, DocAt dockAt,
+			bool enabled);
+	virtual ~LLDockControl();
+
+public:
+	void on();
+	void off();
+	void setDock(LLView* dockWidget)
+	{	mDockWidget = dockWidget;};
+	void repositionDockable();
+	void drawToungue();
+protected:
+	virtual void calculateDockablePosition();
+private:
+	bool mEnabled;
+	bool mRecalculateDocablePosition;
+	DocAt mDockAt;
+	LLView* mDockWidget;
+	LLRect mPrevDockRect;
+	LLFloater* mDockableFloater;
+	LLUIImagePtr mDockTongue;
+	S32 mDockTongueX;
+	S32 mDockTongueY;
+};
+
+#endif /* LL_DOCKCONTROL_H */