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// This implements the WebThemeEngine API used by the Windows version of

// Chromium to render native form controls like checkboxes, radio buttons,

// and scroll bars.

// The normal implementation (native_theme) renders the controls using either

// the UXTheme theming engine present in XP, Vista, and Win 7, or the "classic"

// theme used if that theme is selected in the Desktop settings.

// Unfortunately, both of these themes render controls differently on the

// different versions of Windows.

//

// In order to ensure maximum consistency of baselines across the different

// Windows versions, we provide a simple implementation for DRT here

// instead. These controls are actually platform-independent (they're rendered

// using Skia) and could be used on Linux and the Mac as well, should we

// choose to do so at some point.

//

#ifndef WebThemeEngineDRT_h

#define WebThemeEngineDRT_h

#include "public/WebThemeEngine.h"

#include <wtf/Noncopyable.h>

class WebThemeEngineDRT : public WebKit::WebThemeEngine, public Noncopyable {

public:

    WebThemeEngineDRT() {}

    // WebThemeEngine methods:

    virtual void paintButton(

        WebKit::WebCanvas*, int part, int state, int classicState,

        const WebKit::WebRect&);

    virtual void paintMenuList(

        WebKit::WebCanvas*, int part, int state, int classicState,

        const WebKit::WebRect&);

    virtual void paintScrollbarArrow(

        WebKit::WebCanvas*, int state, int classicState,

        const WebKit::WebRect&);

    virtual void paintScrollbarThumb(

        WebKit::WebCanvas*, int part, int state, int classicState,

        const WebKit::WebRect&);

    virtual void paintScrollbarTrack(

        WebKit::WebCanvas*, int part, int state, int classicState,

        const WebKit::WebRect&, const WebKit::WebRect& alignRect);

    virtual void paintSpinButton(

        WebKit::WebCanvas*, int part, int state, int classicState,

        const WebKit::WebRect&);

    virtual void paintTextField(

        WebKit::WebCanvas*, int part, int state, int classicState,

        const WebKit::WebRect&, WebKit::WebColor, bool fillContentArea,

        bool drawEdges);

    virtual void paintTrackbar(

        WebKit::WebCanvas*, int part, int state, int classicState,

        const WebKit::WebRect&);

    virtual void paintProgressBar(

        WebKit::WebCanvas*, const WebKit::WebRect& barRect,

        const WebKit::WebRect& valueRect,

        bool determinate, double time);

};

#endif // WebThemeEngineDRT_h