94 lines
2.5 KiB
C++
94 lines
2.5 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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* $LicenseInfo:firstyear=2010&license=viewergpl$
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*
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* Copyright (c) 2010, Linden Research, Inc.
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*
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* Second Life Viewer Source Code
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* The source code in this file ("Source Code") is provided by Linden Lab
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* to you under the terms of the GNU General Public License, version 2.0
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* ("GPL"), unless you have obtained a separate licensing agreement
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* ("Other License"), formally executed by you and Linden Lab. Terms of
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* the GPL can be found in doc/GPL-license.txt in this distribution, or
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* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
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*
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* There are special exceptions to the terms and conditions of the GPL as
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* it is applied to this Source Code. View the full text of the exception
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* in the file doc/FLOSS-exception.txt in this software distribution, or
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* online at
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* http://secondlifegrid.net/programs/open_source/licensing/flossexception
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*
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* By copying, modifying or distributing this software, you acknowledge
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* that you have read and understood your obligations described above,
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* and agree to abide by those obligations.
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*
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* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
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* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
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* COMPLETENESS OR PERFORMANCE.
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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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