88 lines
1.6 KiB
C++
88 lines
1.6 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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namespace style {
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struct InfiniteRadialAnimation;
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} // namespace style
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namespace Ui {
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class RadialAnimation {
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public:
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RadialAnimation(AnimationCallbacks &&callbacks);
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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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void update(float64 prg, bool finished, TimeMs ms);
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void stop();
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void step(TimeMs ms);
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void step() {
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step(getms());
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}
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void draw(Painter &p, const QRect &inner, int32 thickness, style::color color);
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private:
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TimeMs _firstStart = 0;
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TimeMs _lastStart = 0;
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TimeMs _lastTime = 0;
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float64 _opacity = 0.;
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anim::value a_arcEnd;
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anim::value a_arcStart;
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BasicAnimation _animation;
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};
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class InfiniteRadialAnimation {
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public:
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struct State {
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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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InfiniteRadialAnimation(
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AnimationCallbacks &&callbacks,
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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();
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void stop();
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void step(TimeMs ms);
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void step() {
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step(getms());
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}
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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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State computeState();
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private:
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const style::InfiniteRadialAnimation &_st;
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TimeMs _workStarted = 0;
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TimeMs _workFinished = 0;
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BasicAnimation _animation;
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};
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} // namespace Ui
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