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

88 lines
2.2 KiB
C++

//
// This file is part of Kepka,
// an unofficial desktop version of Telegram messaging app,
// see https://github.com/procxx/kepka
//
// Kepka is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// It is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// In addition, as a special exception, the copyright holders give permission
// to link the code of portions of this program with the OpenSSL library.
//
// Full license: https://github.com/procxx/kepka/blob/master/LICENSE
// Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
// Copyright (c) 2017- Kepka Contributors, https://github.com/procxx
//
#pragma once
#include "data/data_types.h"
#include "ui/twidget.h"
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, Q_INT64_C(0)) % _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