/*

 * Copyright (C) 2008 Apple 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:

 * 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. ``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

 * 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 HostWindow_h

#define HostWindow_h

#include <wtf/Noncopyable.h>

#include "Widget.h"

namespace WebCore {

class Cursor;

class HostWindow : public Noncopyable {

public:

    virtual ~HostWindow() { }

    // Requests the host invalidate the window, not the contents.  If immediate is true do so synchronously, otherwise async.

    virtual void invalidateWindow(const IntRect& updateRect, bool immediate) = 0;

    // Requests the host invalidate the contents and the window.  If immediate is true do so synchronously, otherwise async.

    virtual void invalidateContentsAndWindow(const IntRect& updateRect, bool immediate) = 0;

    // Requests the host scroll backingstore by the specified delta, rect to scroll, and clip rect.

    virtual void scroll(const IntSize& scrollDelta, const IntRect& rectToScroll, const IntRect& clipRect) = 0;

    // Requests the host invalidate the contents, not the window.  This is the slow path for scrolling.

    virtual void invalidateContentsForSlowScroll(const IntRect& updateRect, bool immediate) = 0;

    // Methods for doing coordinate conversions to and from screen coordinates.

    virtual IntPoint screenToWindow(const IntPoint&) const = 0;

    virtual IntRect windowToScreen(const IntRect&) const = 0;

    // Method for retrieving the native client of the page.

    virtual PlatformPageClient platformPageClient() const = 0;

    // To notify WebKit of scrollbar mode changes.

    virtual void scrollbarsModeDidChange() const = 0;

    // Request that the cursor change.

    virtual void setCursor(const Cursor&) = 0;

};

} // namespace WebCore

#endif // HostWindow_h