1/*
2 * Copyright (C) 2005, 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 *
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 "WebDynamicScrollBarsView.h"
30#import <WebCore/WebCoreFrameView.h>
31
32@interface WebDynamicScrollBarsView (WebInternal) <WebCoreFrameScrollView>
33
34- (BOOL)allowsHorizontalScrolling;
35- (BOOL)allowsVerticalScrolling;
36
37- (void)setScrollingModes:(WebCore::ScrollbarMode)hMode vertical:(WebCore::ScrollbarMode)vMode andLock:(BOOL)lock;
38- (void)scrollingModes:(WebCore::ScrollbarMode*)hMode vertical:(WebCore::ScrollbarMode*)vMode;
39
40- (WebCore::ScrollbarMode)horizontalScrollingMode;
41- (WebCore::ScrollbarMode)verticalScrollingMode;
42
43- (void)setHorizontalScrollingMode:(WebCore::ScrollbarMode)mode andLock:(BOOL)lock;
44- (void)setVerticalScrollingMode:(WebCore::ScrollbarMode)mode andLock:(BOOL)lock;
45
46- (void)setHorizontalScrollingModeLocked:(BOOL)locked;
47- (void)setVerticalScrollingModeLocked:(BOOL)locked;
48- (void)setScrollingModesLocked:(BOOL)mode;
49
50- (BOOL)horizontalScrollingModeLocked;
51- (BOOL)verticalScrollingModeLocked;
52
53- (void)updateScrollers;
54- (void)setSuppressLayout:(BOOL)flag;
55
56// Calculate the appropriate frame for the contentView based on allowsScrollersToOverlapContent.
57- (NSRect)contentViewFrame;
58
59// Returns YES if we're currently in the middle of programmatically moving the
60// scrollbar.
61// NOTE: As opposed to other places in the code, programmatically moving the
62// scrollers from inside this class should not fire JS events.
63- (BOOL)inProgrammaticScroll;
64@end
65