88 lines
2.1 KiB
C++
88 lines
2.1 KiB
C++
/**
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* @file llloadingindicator.h
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* @brief Perpetual loading indicator
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*
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* $LicenseInfo:firstyear=2010&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#ifndef LL_LLLOADINGINDICATOR_H
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#define LL_LLLOADINGINDICATOR_H
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#include "lluictrl.h"
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///////////////////////////////////////////////////////////////////////////////
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// class LLLoadingIndicator
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///////////////////////////////////////////////////////////////////////////////
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/**
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* Perpetual loading indicator (a la MacOSX or YouTube)
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*
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* Number of rotations per second can be overriden
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* with the "roations_per_sec" parameter.
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*
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* Can start/stop spinning.
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*
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* @see start()
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* @see stop()
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*/
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class LLLoadingIndicator
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: public LLUICtrl
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{
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LOG_CLASS(LLLoadingIndicator);
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public:
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struct Params : public LLInitParam::Block<Params, LLUICtrl::Params>
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{
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Optional<F32> rotations_per_sec;
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Params()
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: rotations_per_sec("rotations_per_sec", 1.0f)
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{}
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};
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virtual ~LLLoadingIndicator() {}
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// llview overrides
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virtual void draw();
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/**
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* Stop spinning.
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*/
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void stop();
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/**
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* Start spinning.
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*/
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void start();
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private:
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LLLoadingIndicator(const Params&);
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friend class LLUICtrlFactory;
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class Data;
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F32 mRotationsPerSec;
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S8 mCurImageIdx;
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LLPointer<LLUIImage> mCurImagep;
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LLFrameTimer mImageSwitchTimer;
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};
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#endif // LL_LLLOADINGINDICATOR_H
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