tdesktop/Telegram/SourceFiles/ui/toast/toast.cpp

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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) 2014-2016 John Preston, https://desktop.telegram.org
*/
#include "stdafx.h"
#include "ui/toast/toast.h"
#include "ui/toast/toast_manager.h"
#include "ui/toast/toast_widget.h"
#include "window.h"
namespace Ui {
namespace Toast {
Instance::Instance(const Config &config, QWidget *widgetParent, const Private &)
: _a_fade(animation(this, &Instance::step_fade))
, _hideAtMs(getms(true) + config.durationMs) {
_widget = MakeUnique<internal::Widget>(widgetParent, config);
_a_fade.start();
}
void Show(const Config &config) {
if (internal::Manager *manager = internal::Manager::instance()) {
if (Window *window = App::wnd()) {
auto toast = MakeUnique<Instance>(config, window, Instance::Private());
manager->addToast(std_::move(toast));
}
}
}
void Instance::fadeOut() {
_fadingOut = true;
_a_fade.start();
}
void Instance::hide() {
_widget->hide();
_widget->deleteLater();
}
void Instance::step_fade(float64 ms, bool timer) {
if (timer) {
_widget->update();
}
if (_fadingOut) {
if (ms >= st::toastFadeOutDuration) {
hide();
} else {
float64 dt = ms / st::toastFadeOutDuration;
_widget->setShownLevel(1. - dt);
}
} else {
if (ms >= st::toastFadeInDuration) {
_widget->setShownLevel(1.);
_a_fade.stop();
} else {
float64 dt = ms / st::toastFadeInDuration;
_widget->setShownLevel(dt);
}
}
}
} // namespace Toast
} // namespace Ui