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diff --git a/indra/llui/llflashtimer.h b/indra/llui/llflashtimer.h
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+++ b/indra/llui/llflashtimer.h
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+/**
+ * @file llflashtimer.h
+ * @brief LLFlashTimer class implementation
+ *
+ * $LicenseInfo:firstyear=2002&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2012, 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_FLASHTIMER_H
+#define LL_FLASHTIMER_H
+
+#include "lleventtimer.h"
+
+class LLFlashTimer : public LLEventTimer
+{
+public:
+
+	typedef boost::function<void (bool)> callback_t;
+
+	/**
+	 * Constructor.
+	 *
+	 * @param count - how many times callback should be called (twice to not change original state)
+	 * @param period - how frequently callback should be called
+	 * @param cb - callback to be called each tick
+	 */
+	LLFlashTimer(callback_t cb = NULL, S32 count = 0, F32 period = 0.0);
+	~LLFlashTimer() {};
+
+	/*virtual*/ BOOL tick();
+
+	void startFlashing();
+	void stopFlashing();
+
+	bool isFlashingInProgress();
+	bool isCurrentlyHighlighted();
+	/*
+	 * Use this instead of deleting this object.
+	 * The next call to tick() will return true and that will destroy this object.
+	 */
+	void unset();
+
+private:
+	callback_t		mCallback;
+	/**
+	 * How many times parent will blink.
+	 */
+	S32 mFlashCount;
+	S32 mCurrentTickCount;
+	bool mIsCurrentlyHighlighted;
+	bool mIsFlashingInProgress;
+	bool mUnset;
+};
+
+#endif /* LL_FLASHTIMER_H */