/*
 * Copyright (c) 2009, Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * 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.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef ScrollbarThemeAura_h
#define ScrollbarThemeAura_h

#include "platform/scroll/ScrollbarTheme.h"

namespace blink {

class PLATFORM_EXPORT ScrollbarThemeAura : public ScrollbarTheme {
public:
    int scrollbarThickness(ScrollbarControlSize) override;

protected:
    bool hasButtons(const ScrollbarThemeClient&) override { return true; }
    bool hasThumb(const ScrollbarThemeClient&) override;

    IntRect backButtonRect(const ScrollbarThemeClient&, ScrollbarPart, bool painting = false) override;
    IntRect forwardButtonRect(const ScrollbarThemeClient&, ScrollbarPart, bool painting = false) override;
    IntRect trackRect(const ScrollbarThemeClient&, bool painting = false) override;
    int minimumThumbLength(const ScrollbarThemeClient&) override;

    void paintTickmarks(GraphicsContext&, const ScrollbarThemeClient&, const IntRect&) override;
    void paintTrackBackground(GraphicsContext&, const ScrollbarThemeClient&, const IntRect&) override;
    void paintTrackPiece(GraphicsContext&, const ScrollbarThemeClient&, const IntRect&, ScrollbarPart) override;
    void paintButton(GraphicsContext&, const ScrollbarThemeClient&, const IntRect&, ScrollbarPart) override;
    void paintThumb(GraphicsContext&, const ScrollbarThemeClient&, const IntRect&) override;

    bool shouldRepaintAllPartsOnInvalidation() const override;
    ScrollbarPart invalidateOnThumbPositionChange(const ScrollbarThemeClient&, float oldPosition, float newPosition) const override;

private:
    IntSize buttonSize(const ScrollbarThemeClient&);
};

} // namespace blink

#endif