110 lines
2.1 KiB
C++
110 lines
2.1 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#pragma once
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#include "ui/effects/animations.h"
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namespace style {
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struct InfiniteRadialAnimation;
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} // namespace style
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namespace Ui {
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struct RadialState {
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float64 shown = 0.;
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int arcFrom = 0;
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int arcLength = FullArcLength;
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};
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class RadialAnimation {
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public:
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template <typename Callback>
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RadialAnimation(Callback &&callback);
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float64 opacity() const {
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return _opacity;
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}
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bool animating() const {
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return _animation.animating();
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}
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void start(float64 prg);
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bool update(float64 prg, bool finished, crl::time ms);
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void stop();
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void draw(
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Painter &p,
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const QRect &inner,
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int32 thickness,
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style::color color) const;
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RadialState computeState() const;
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private:
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crl::time _firstStart = 0;
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crl::time _lastStart = 0;
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crl::time _lastTime = 0;
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float64 _opacity = 0.;
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anim::value _arcEnd;
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anim::value _arcStart;
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Ui::Animations::Basic _animation;
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bool _finished = false;
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};
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template <typename Callback>
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inline RadialAnimation::RadialAnimation(Callback &&callback)
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: _arcStart(0, FullArcLength)
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, _animation(std::forward<Callback>(callback)) {
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}
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class InfiniteRadialAnimation {
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public:
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template <typename Callback>
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InfiniteRadialAnimation(
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Callback &&callback,
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const style::InfiniteRadialAnimation &st);
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bool animating() const {
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return _animation.animating();
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}
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void start(crl::time skip = 0);
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void stop(anim::type animated = anim::type::normal);
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void draw(
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Painter &p,
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QPoint position,
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int outerWidth);
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void draw(
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Painter &p,
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QPoint position,
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QSize size,
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int outerWidth);
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RadialState computeState();
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private:
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const style::InfiniteRadialAnimation &_st;
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crl::time _workStarted = 0;
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crl::time _workFinished = 0;
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Ui::Animations::Basic _animation;
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};
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template <typename Callback>
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inline InfiniteRadialAnimation::InfiniteRadialAnimation(
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Callback &&callback,
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const style::InfiniteRadialAnimation &st)
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: _st(st)
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, _animation(std::forward<Callback>(callback)) {
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}
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} // namespace Ui
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