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Telegram/SourceFiles/window/themes/window_theme_warning.h

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+/*
+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
+
+#include "base/timer.h"
+#include "base/object_ptr.h"
+#include "ui/effects/animations.h"
+#include "ui/rp_widget.h"
+
+namespace Ui {
+class RoundButton;
+} // namespace Ui
+
+namespace Window {
+namespace Theme {
+
+class WarningWidget : public Ui::RpWidget {
+public:
+	WarningWidget(QWidget *parent);
+
+	void setHiddenCallback(Fn<void()> callback) {
+		_hiddenCallback = std::move(callback);
+	}
+
+	void showAnimated();
+	void hideAnimated();
+
+protected:
+	void keyPressEvent(QKeyEvent *e) override;
+	void paintEvent(QPaintEvent *e) override;
+	void resizeEvent(QResizeEvent *e) override;
+
+private:
+	void refreshLang();
+	void updateControlsGeometry();
+	void setSecondsLeft(int secondsLeft);
+	void startAnimation(bool hiding);
+	void updateText();
+	void handleTimer();
+
+	bool _hiding = false;
+	Ui::Animations::Simple _animation;
+	QPixmap _cache;
+	QRect _inner, _outer;
+
+	base::Timer _timer;
+	crl::time _started = 0;
+	int _secondsLeft = 0;
+	QString _text;
+
+	object_ptr<Ui::RoundButton> _keepChanges;
+	object_ptr<Ui::RoundButton> _revert;
+
+	Fn<void()> _hiddenCallback;
+
+};
+
+} // namespace Theme
+} // namespace Window