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| -rw-r--r-- | indra/newview/llflashtimer.cpp | 72 | ||||
| -rw-r--r-- | indra/newview/llflashtimer.h | 62 |
2 files changed, 134 insertions, 0 deletions
diff --git a/indra/newview/llflashtimer.cpp b/indra/newview/llflashtimer.cpp new file mode 100644 index 0000000000..f44ca9f90c --- /dev/null +++ b/indra/newview/llflashtimer.cpp @@ -0,0 +1,72 @@ +/** + * @file llflashtimer.cpp + * @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 + * $/LicenseInfo$ + */ + + +#include "llviewerprecompiledheaders.h" + +#include "llflashtimer.h" +#include "llviewercontrol.h" + +LLFlashTimer::LLFlashTimer(callback_t cb, S32 count, F32 period) + : LLEventTimer(period) + , mCallback(cb) + , mCurrentTickCount(0) +{ + mEventTimer.stop(); + + // By default use settings from settings.xml to be able change them via Debug settings. See EXT-5973. + // Due to Timer is implemented as derived class from EventTimer it is impossible to change period + // in runtime. So, both settings are made as required restart. + mFlashCount = 2 * ((count>0)? count : gSavedSettings.getS32("FlashCount")); + if (mPeriod<=0) + { + mPeriod = gSavedSettings.getF32("FlashPeriod"); + } +} + +BOOL LLFlashTimer::tick() +{ + bool blink = !(mCurrentTickCount % 2); + mCallback(blink); + + if (++mCurrentTickCount >= mFlashCount) + { + mEventTimer.stop(); + } + + return FALSE; +} + +void LLFlashTimer::startFlashing() +{ + mCurrentTickCount = 0; + mEventTimer.start(); +} + +void LLFlashTimer::stopFlashing() +{ + mEventTimer.stop(); +} diff --git a/indra/newview/llflashtimer.h b/indra/newview/llflashtimer.h new file mode 100644 index 0000000000..95e458dff6 --- /dev/null +++ b/indra/newview/llflashtimer.h @@ -0,0 +1,62 @@ +/** + * @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 */ |