//
// 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 "ui/text/text.h"

class History;
class HistoryItem;

namespace Ui {
class RippleAnimation;
} // namespace Ui

namespace Dialogs {
namespace Layout {
class RowPainter;
} // namespace Layout

class RippleRow {
public:
	RippleRow();
	~RippleRow();

	void addRipple(QPoint origin, QSize size, Fn<void()> updateCallback);
	void stopLastRipple();

	void paintRipple(Painter &p, int x, int y, int outerWidth, TimeMs ms, const QColor *colorOverride = nullptr) const;

private:
	mutable std::unique_ptr<Ui::RippleAnimation> _ripple;
};

class List;
class Row : public RippleRow {
public:
	Row(History *history, Row *prev, Row *next, int pos)
	    : _history(history)
	    , _prev(prev)
	    , _next(next)
	    , _pos(pos) {}
	void *attached = nullptr; // for any attached data, for example View in contacts list

	History *history() const {
		return _history;
	}
	int pos() const {
		return _pos;
	}

private:
	friend class List;

	History *_history;
	Row *_prev, *_next;
	int _pos;
};

class FakeRow : public RippleRow {
public:
	FakeRow(PeerData *searchInPeer, not_null<HistoryItem *> item);

	PeerData *searchInPeer() const {
		return _searchInPeer;
	}
	not_null<HistoryItem *> item() const {
		return _item;
	}

private:
	friend class Layout::RowPainter;

	PeerData *_searchInPeer = nullptr;
	not_null<HistoryItem *> _item;
	mutable const HistoryItem *_cacheFor = nullptr;
	mutable Text _cache;
};

} // namespace Dialogs