/*
 * Copyright (C) 2014, 2020 Igalia S.L.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

#pragma once

#include "ScrollbarThemeComposite.h"

namespace WebCore {

class ScrollbarThemeAdwaita : public ScrollbarThemeComposite {
public:
    ScrollbarThemeAdwaita() = default;
    virtual ~ScrollbarThemeAdwaita() = default;

protected:
    bool usesOverlayScrollbars() const override;
    bool invalidateOnMouseEnterExit() override { return usesOverlayScrollbars(); }

    void updateScrollbarOverlayStyle(Scrollbar&) override;

    bool paint(Scrollbar&, GraphicsContext&, const IntRect&) override;
    void paintScrollCorner(ScrollableArea&, GraphicsContext&, const IntRect&) override;
    ScrollbarButtonPressAction handleMousePressEvent(Scrollbar&, const PlatformMouseEvent&, ScrollbarPart) override;

    int scrollbarThickness(ScrollbarControlSize, ScrollbarExpansionState) override;
    int minimumThumbLength(Scrollbar&) override;

    bool hasButtons(Scrollbar&) override;
    bool hasThumb(Scrollbar&) override;

    IntRect backButtonRect(Scrollbar&, ScrollbarPart, bool painting = false) override;
    IntRect forwardButtonRect(Scrollbar&, ScrollbarPart, bool painting = false) override;
    IntRect trackRect(Scrollbar&, bool painting = false) override;
};

} // namespace WebCore