tdesktop/Telegram/SourceFiles/ui/effects/send_action_animations.h

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/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
#pragma once
namespace Api {
enum class SendProgressType;
} // namespace Api
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namespace Ui {
class SendActionAnimation {
public:
using Type = Api::SendProgressType;
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void start(Type type);
void stop();
int width() const {
return _impl ? _impl->width() : 0;
}
void paint(Painter &p, style::color color, int x, int y, int outerWidth, crl::time ms) {
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if (_impl) {
_impl->paint(p, color, x, y, outerWidth, ms);
}
}
explicit operator bool() const {
return _impl != nullptr;
}
class Impl {
public:
using Type = Api::SendProgressType;
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Impl(int period) : _period(period), _started(crl::now()) {
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}
struct MetaData {
int index;
std::unique_ptr<Impl> (*creator)();
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};
virtual const MetaData *metaData() const = 0;
bool supports(Type type) const;
virtual int width() const = 0;
void paint(
Painter &p,
style::color color,
int x,
int y,
int outerWidth,
crl::time ms);
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virtual ~Impl() = default;
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private:
virtual void paintFrame(Painter &p, style::color color, int x, int y, int outerWidth, int frameMs) = 0;
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int _period = 1;
crl::time _started = 0;
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};
~SendActionAnimation();
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private:
std::unique_ptr<Impl> createByType(Type type);
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std::unique_ptr<Impl> _impl;
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};
} // namespace Ui