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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, S32 count = 0, F32 period = 0.0);
+ ~LLFlashTimer() {};
+
+ /*virtual*/ BOOL tick();
+
+ void startFlashing();
+ void stopFlashing();
+
+private:
+ callback_t mCallback;
+ /**
+ * How many times Well will blink.
+ */
+ S32 mFlashCount;
+ S32 mCurrentTickCount;
+};
+
+#endif /* LL_FLASHTIMER_H */