/*
 * This file is part of the theme implementation for form controls in WebCore.
 *
 * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Computer, Inc.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 *
 */

#ifndef ThemePainter_h
#define ThemePainter_h

#include "platform/ThemeTypes.h"
#include "wtf/Allocator.h"

namespace blink {

class IntRect;
class LayoutObject;
class Theme;

struct PaintInfo;

class ThemePainter {
    DISALLOW_NEW();
public:
    explicit ThemePainter(Theme*);

    // This method is called to paint the widget as a background of the LayoutObject.  A widget's foreground, e.g., the
    // text of a button, is always rendered by the engine itself.  The boolean return value indicates
    // whether the CSS border/background should also be painted.
    bool paint(const LayoutObject&, const PaintInfo&, const IntRect&);
    bool paintBorderOnly(const LayoutObject&, const PaintInfo&, const IntRect&);
    bool paintDecorations(const LayoutObject&, const PaintInfo&, const IntRect&);

    virtual bool paintCapsLockIndicator(const LayoutObject&, const PaintInfo&, const IntRect&) { return 0; }
    void paintSliderTicks(const LayoutObject&, const PaintInfo&, const IntRect&);

protected:
    virtual bool paintCheckbox(const LayoutObject&, const PaintInfo&, const IntRect&) { return true; }
    virtual bool paintRadio(const LayoutObject&, const PaintInfo&, const IntRect&) { return true; }
    virtual bool paintButton(const LayoutObject&, const PaintInfo&, const IntRect&) { return true; }
    virtual bool paintInnerSpinButton(const LayoutObject&, const PaintInfo&, const IntRect&) { return true; }
    virtual bool paintTextField(const LayoutObject&, const PaintInfo&, const IntRect&) { return true; }
    virtual bool paintTextArea(const LayoutObject&, const PaintInfo&, const IntRect&) { return true; }
    virtual bool paintMenuList(const LayoutObject&, const PaintInfo&, const IntRect&) { return true; }
    virtual bool paintMenuListButton(const LayoutObject&, const PaintInfo&, const IntRect&) { return true; }
    virtual bool paintProgressBar(const LayoutObject&, const PaintInfo&, const IntRect&) { return true; }
    virtual bool paintSliderTrack(const LayoutObject&, const PaintInfo&, const IntRect&) { return true; }
    virtual bool paintSliderThumb(const LayoutObject&, const PaintInfo&, const IntRect&) { return true; }
    virtual bool paintSearchField(const LayoutObject&, const PaintInfo&, const IntRect&) { return true; }
    virtual bool paintSearchFieldCancelButton(const LayoutObject&, const PaintInfo&, const IntRect&) { return true; }

    bool paintUsingFallbackTheme(const LayoutObject&, const PaintInfo&, const IntRect&);
    bool paintCheckboxUsingFallbackTheme(const LayoutObject&, const PaintInfo&, const IntRect&);
    bool paintRadioUsingFallbackTheme(const LayoutObject&, const PaintInfo&, const IntRect&);

private:
    Theme* m_platformTheme; // The platform-specific theme.
};

} // namespace blink

#endif // ThemePainter_h