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

71 lines
1.4 KiB
C++

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