1 /*

     2  * Copyright (C) 2008 Apple Inc.  All rights reserved.

     3  *

     4  * Redistribution and use in source and binary forms, with or without

     5  * modification, are permitted provided that the following conditions

     6  * are met:

     7  * 1. Redistributions of source code must retain the above copyright

     8  *    notice, this list of conditions and the following disclaimer.

     9  * 2. Redistributions in binary form must reproduce the above copyright

    10  *    notice, this list of conditions and the following disclaimer in the

    11  *    documentation and/or other materials provided with the distribution.

    12  *

    13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY

    14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

    15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

    16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR

    17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

    18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

    19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

    20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY

    21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

    22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

    23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 

    24  */

    25 

    26 #ifndef HostWindow_h

    27 #define HostWindow_h

    28 

    29 #include <wtf/Noncopyable.h>

    30 #include "Widget.h"

    31 

    32 namespace WebCore {

    33 

    34 class Cursor;

    35 

    36 class HostWindow : public Noncopyable {

    37 public:

    38     virtual ~HostWindow() { }

    39 

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

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

    42 

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

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

    45 

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

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

    48 

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

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

    51     

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

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

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

    55 

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

    57     virtual PlatformPageClient platformPageClient() const = 0;

    58     

    59     // To notify WebKit of scrollbar mode changes.

    60     virtual void scrollbarsModeDidChange() const = 0;

    61 

    62     // Request that the cursor change.

    63     virtual void setCursor(const Cursor&) = 0;

    64 };

    65 

    66 } // namespace WebCore

    67 

    68 #endif // HostWindow_h