/*

 * Copyright (C) 2010 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

 * OWNER OR 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.

 */

#ifndef WebThemeEngine_h

#define WebThemeEngine_h

#include "WebCanvas.h"

#include "WebColor.h"

namespace WebKit {

struct WebRect;

struct WebSize;

class WebThemeEngine {

public:

#ifdef WIN32

// The part and state parameters correspond to values defined by the

// Windows Theme API (see

// http://msdn.microsoft.com/en-us/library/bb773187(VS.85).aspx ).

// The classicState parameter corresponds to the uState

// parameter of the Windows DrawFrameControl() function.

// See the definitions in <vsstyle.h> and <winuser.h>.

    virtual void paintButton(

        WebCanvas*, int part, int state, int classicState,

        const WebRect&) = 0;

    virtual void paintMenuList(

        WebCanvas*, int part, int state, int classicState,

        const WebRect&) = 0;

    virtual void paintScrollbarArrow(

        WebCanvas*, int state, int classicState,

        const WebRect&) = 0;

    virtual void paintScrollbarThumb(

        WebCanvas*, int part, int state, int classicState,

        const WebRect&) = 0;

    virtual void paintScrollbarTrack(

        WebCanvas*, int part, int state, int classicState,

        const WebRect&, const WebRect& alignRect) = 0;

    virtual void paintSpinButton(

        WebCanvas*, int part, int state, int classicState,

        const WebRect&) {}

    virtual void paintTextField(

        WebCanvas*, int part, int state, int classicState,

        const WebRect&, WebColor, bool fillContentArea, bool drawEdges) = 0;

    virtual void paintTrackbar(

        WebCanvas*, int part, int state, int classicState,

        const WebRect&) = 0;

    virtual void paintProgressBar(

        WebCanvas*, const WebRect& barRect, const WebRect& valueRect,

        bool determinate, double animatedSeconds) {}

#endif

};

} // namespace WebKit

#endif