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 <AppKit/NSScrollView.h>

    30 

    31 #import <WebCore/WebCoreFrameView.h>

    32 

    33 // FIXME 2980779: This has grown to be more than just a dynamic scroll bar view,

    34 // and it is no longer completely appropriate for use outside of WebKit.

    35 

    36 @interface WebDynamicScrollBarsView : NSScrollView <WebCoreFrameView>

    37 {

    38     WebCoreScrollbarMode hScroll;

    39     WebCoreScrollbarMode vScroll;

    40     BOOL hScrollModeLocked;

    41     BOOL vScrollModeLocked;

    42     BOOL suppressLayout;

    43     BOOL suppressScrollers;

    44     BOOL inUpdateScrollers;

    45 }

    46 

    47 - (void)setAllowsHorizontalScrolling:(BOOL)flag;

    48 - (BOOL)allowsHorizontalScrolling;

    49 - (void)setAllowsVerticalScrolling:(BOOL)flag;

    50 - (BOOL)allowsVerticalScrolling;

    51 

    52 - (void)setHorizontalScrollingMode:(WebCoreScrollbarMode)mode andLock:(BOOL)lock;

    53 - (void)setVerticalScrollingMode:(WebCoreScrollbarMode)mode andLock:(BOOL)lock;

    54 - (void)setScrollingMode:(WebCoreScrollbarMode)mode andLock:(BOOL)lock;

    55 

    56 - (void)setHorizontalScrollingModeLocked:(BOOL)locked;

    57 - (void)setVerticalScrollingModeLocked:(BOOL)locked;

    58 - (void)setScrollingModesLocked:(BOOL)mode;

    59 

    60 - (BOOL)horizontalScrollingModeLocked;

    61 - (BOOL)verticalScrollingModeLocked;

    62 

    63 // Convenience method to affect both scrolling directions at once.

    64 - (void)setAllowsScrolling:(BOOL)flag;

    65 

    66 // Returns YES if either horizontal or vertical scrolling is allowed.

    67 - (BOOL)allowsScrolling;

    68 

    69 - (void)updateScrollers;

    70 - (void)setSuppressLayout: (BOOL)flag;

    71 @end