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1 /* | 1 /* |
2 * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved. | 2 * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
11 * documentation and/or other materials provided with the distribution. | 11 * documentation and/or other materials provided with the distribution. |
12 * | 12 * |
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 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. | 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
24 */ | 24 */ |
25 | 25 |
26 #include "config.h" | 26 #include "config.h" |
27 #include "core/platform/ScrollView.h" | 27 #include "platform/scroll/ScrollView.h" |
28 | 28 |
29 #include "core/platform/ScrollbarTheme.h" | 29 #include "platform/graphics/GraphicsContextStateSaver.h" |
30 #include "core/platform/graphics/GraphicsContextStateSaver.h" | 30 #include "platform/graphics/GraphicsLayer.h" |
31 #include "core/platform/graphics/GraphicsLayer.h" | |
32 #include "platform/HostWindow.h" | 31 #include "platform/HostWindow.h" |
| 32 #include "platform/scroll/ScrollbarTheme.h" |
33 #include "wtf/StdLibExtras.h" | 33 #include "wtf/StdLibExtras.h" |
34 | 34 |
35 using namespace std; | 35 using namespace std; |
36 | 36 |
37 namespace WebCore { | 37 namespace WebCore { |
38 | 38 |
39 ScrollView::ScrollView() | 39 ScrollView::ScrollView() |
40 : m_horizontalScrollbarMode(ScrollbarAuto) | 40 : m_horizontalScrollbarMode(ScrollbarAuto) |
41 , m_verticalScrollbarMode(ScrollbarAuto) | 41 , m_verticalScrollbarMode(ScrollbarAuto) |
42 , m_horizontalScrollbarLock(false) | 42 , m_horizontalScrollbarLock(false) |
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1137 int ScrollView::pageStep(ScrollbarOrientation orientation) const | 1137 int ScrollView::pageStep(ScrollbarOrientation orientation) const |
1138 { | 1138 { |
1139 int length = (orientation == HorizontalScrollbar) ? visibleWidth() : visible
Height(); | 1139 int length = (orientation == HorizontalScrollbar) ? visibleWidth() : visible
Height(); |
1140 int minPageStep = static_cast<float>(length) * minFractionToStepWhenPaging()
; | 1140 int minPageStep = static_cast<float>(length) * minFractionToStepWhenPaging()
; |
1141 int pageStep = std::max(minPageStep, length - maxOverlapBetweenPages()); | 1141 int pageStep = std::max(minPageStep, length - maxOverlapBetweenPages()); |
1142 | 1142 |
1143 return std::max(pageStep, 1); | 1143 return std::max(pageStep, 1); |
1144 } | 1144 } |
1145 | 1145 |
1146 } // namespace WebCore | 1146 } // namespace WebCore |
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