tdesktop/Telegram/SourceFiles/window/window_slide_animation.h

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/*
This file is part of Telegram Desktop,
the official desktop version of Telegram messaging app, see https://telegram.org
Telegram Desktop 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/telegramdesktop/tdesktop/blob/master/LICENSE
Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
*/
#pragma once
namespace Window {
enum class SlideDirection {
FromRight,
FromLeft,
};
class SlideAnimation {
public:
void paintContents(Painter &p, const QRect &update) const;
void setDirection(SlideDirection direction);
void setPixmaps(const QPixmap &oldContentCache, const QPixmap &newContentCache);
void setTopBarShadow(bool enabled);
using RepaintCallback = base::lambda<void()>;
void setRepaintCallback(RepaintCallback &&callback);
using FinishedCallback = base::lambda<void()>;
void setFinishedCallback(FinishedCallback &&callback);
void start();
static const anim::transition &transition() {
return anim::easeOutCirc;
}
private:
void animationCallback();
SlideDirection _direction = SlideDirection::FromRight;
bool _topBarShadowEnabled = false;
mutable Animation _animation;
QPixmap _cacheUnder, _cacheOver;
RepaintCallback _repaintCallback;
FinishedCallback _finishedCallback;
};
} // namespace Window