1 /*

     2  * Copyright (C) 2005 Apple Computer, 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  *

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

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

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

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

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

    13  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of

    14  *     its contributors may be used to endorse or promote products derived

    15  *     from this software without specific prior written permission. 

    16  *

    17  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY

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

    19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

    20  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY

    21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

    22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

    23  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND

    24  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

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

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

    27  */

    28 

    29 #import <WebKit/WebFrameView.h>

    30 

    31 @interface WebFrameView (WebPrivate)

    32 

    33 /*!

    34     @method _largestChildWithScrollBars

    35     @abstract Of the child WebFrameViews that are displaying scroll bars, determines which has the largest area.

    36     @result A child WebFrameView that is displaying scroll bars, or nil if none.

    37 */

    38 - (WebFrameView *)_largestChildWithScrollBars;

    39 

    40 /*!

    41     @method _hasScrollBars

    42     @result YES if at least one scroll bar is currently displayed

    43  */

    44 - (BOOL)_hasScrollBars;

    45 

    46 /*!

    47     @method _contentView

    48     @result The content view (NSClipView) of the WebFrameView's scroll view.

    49  */

    50 - (NSClipView *)_contentView;

    51 

    52 /*!

    53     @method _customScrollViewClass

    54     @result The custom scroll view class that is installed, nil if the default scroll view is being used.

    55  */

    56 - (Class)_customScrollViewClass;

    57 

    58 /*!

    59     @method _setCustomScrollViewClass:

    60     @result Switches the WebFrameView's scroll view class, this class needs to be a subclass of WebDynamicScrollBarsView.

    61     Passing nil will switch back to the default WebDynamicScrollBarsView class.

    62  */

    63 - (void)_setCustomScrollViewClass:(Class)scrollViewClass;

    64 

    65 @end