//
// 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 "window/section_widget.h"

namespace Ui {
class ScrollArea;
class PlainShadow;
template <typename Widget> class WidgetFadeWrap;
} // namespace Ui

namespace Profile {

class SectionMemento;
class InnerWidget;
class FixedBar;
class Widget final : public Window::SectionWidget {
	Q_OBJECT

public:
	Widget(QWidget *parent, not_null<Window::Controller *> controller, PeerData *peer);

	PeerData *peer() const;
	PeerData *peerForDialogs() const override {
		return peer();
	}

	bool hasTopBarShadow() const override;

	QPixmap grabForShowAnimation(const Window::SectionSlideParams &params) override;

	bool showInternal(not_null<Window::SectionMemento *> memento) override;
	std::unique_ptr<Window::SectionMemento> createMemento() override;

	void setInternalState(const QRect &geometry, not_null<SectionMemento *> memento);

	// Float player interface.
	bool wheelEventFromFloatPlayer(QEvent *e, Window::Column myColumn, Window::Column playerColumn) override;
	QRect rectForFloatPlayer(Window::Column myColumn, Window::Column playerColumn) override;

protected:
	void resizeEvent(QResizeEvent *e) override;

	void showAnimatedHook() override;
	void showFinishedHook() override;
	void doSetInnerFocus() override;

private slots:
	void onScroll();

private:
	void updateScrollState();
	void updateAdaptiveLayout();
	void saveState(not_null<SectionMemento *> memento);
	void restoreState(not_null<SectionMemento *> memento);

	object_ptr<Ui::ScrollArea> _scroll;
	QPointer<InnerWidget> _inner;
	object_ptr<FixedBar> _fixedBar;
	object_ptr<Ui::WidgetFadeWrap<Ui::PlainShadow>> _fixedBarShadow;
};

} // namespace Profile