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| 1 /* | 1 /* |
| 2 * Copyright (C) 2008 Apple Inc. All Rights Reserved. | 2 * Copyright (C) 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 INC. ``AS IS'' AND ANY | 13 * THIS SOFTWARE IS PROVIDED BY APPLE 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 INC. OR | 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE 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 #ifndef RenderScrollbarPart_h | 26 #ifndef LayoutScrollbarPart_h |
| 27 #define RenderScrollbarPart_h | 27 #define LayoutScrollbarPart_h |
| 28 | 28 |
| 29 #include "core/rendering/RenderBlock.h" | 29 #include "core/rendering/RenderBlock.h" |
| 30 #include "platform/scroll/ScrollTypes.h" | 30 #include "platform/scroll/ScrollTypes.h" |
| 31 | 31 |
| 32 namespace blink { | 32 namespace blink { |
| 33 | 33 |
| 34 class RenderScrollbar; | 34 class LayoutScrollbar; |
| 35 | 35 |
| 36 class RenderScrollbarPart final : public RenderBlock { | 36 class LayoutScrollbarPart final : public RenderBlock { |
| 37 public: | 37 public: |
| 38 static RenderScrollbarPart* createAnonymous(Document*, RenderScrollbar* = 0,
ScrollbarPart = NoPart); | 38 static LayoutScrollbarPart* createAnonymous(Document*, LayoutScrollbar* = 0,
ScrollbarPart = NoPart); |
| 39 | 39 |
| 40 virtual ~RenderScrollbarPart(); | 40 virtual ~LayoutScrollbarPart(); |
| 41 | 41 |
| 42 virtual const char* renderName() const override { return "RenderScrollbarPar
t"; } | 42 virtual const char* renderName() const override { return "LayoutScrollbarPar
t"; } |
| 43 | 43 |
| 44 virtual LayerType layerTypeRequired() const override { return NoLayer; } | 44 virtual LayerType layerTypeRequired() const override { return NoLayer; } |
| 45 | 45 |
| 46 virtual void layout() override; | 46 virtual void layout() override; |
| 47 | 47 |
| 48 // Scrollbar parts needs to be rendered at device pixel boundaries. | 48 // Scrollbar parts needs to be rendered at device pixel boundaries. |
| 49 virtual LayoutRectOutsets marginBoxOutsets() const override | 49 virtual LayoutRectOutsets marginBoxOutsets() const override |
| 50 { | 50 { |
| 51 ASSERT(isIntegerValue(RenderBlock::marginBoxOutsets().top())); | 51 ASSERT(isIntegerValue(RenderBlock::marginBoxOutsets().top())); |
| 52 return RenderBlock::marginBoxOutsets(); | 52 return RenderBlock::marginBoxOutsets(); |
| (...skipping 12 matching lines...) Expand all Loading... |
| 65 { | 65 { |
| 66 ASSERT(isIntegerValue(RenderBlock::marginLeft())); | 66 ASSERT(isIntegerValue(RenderBlock::marginLeft())); |
| 67 return RenderBlock::marginLeft(); | 67 return RenderBlock::marginLeft(); |
| 68 } | 68 } |
| 69 virtual LayoutUnit marginRight() const override | 69 virtual LayoutUnit marginRight() const override |
| 70 { | 70 { |
| 71 ASSERT(isIntegerValue(RenderBlock::marginRight())); | 71 ASSERT(isIntegerValue(RenderBlock::marginRight())); |
| 72 return RenderBlock::marginRight(); | 72 return RenderBlock::marginRight(); |
| 73 } | 73 } |
| 74 | 74 |
| 75 virtual bool isOfType(LayoutObjectType type) const override { return type ==
LayoutObjectRenderScrollbarPart || RenderBlock::isOfType(type); } | 75 virtual bool isOfType(LayoutObjectType type) const override { return type ==
LayoutObjectLayoutScrollbarPart || RenderBlock::isOfType(type); } |
| 76 LayoutObject* rendererOwningScrollbar() const; | 76 LayoutObject* rendererOwningScrollbar() const; |
| 77 | 77 |
| 78 protected: | 78 protected: |
| 79 virtual void styleWillChange(StyleDifference, const LayoutStyle& newStyle) o
verride; | 79 virtual void styleWillChange(StyleDifference, const LayoutStyle& newStyle) o
verride; |
| 80 virtual void styleDidChange(StyleDifference, const LayoutStyle* oldStyle) ov
erride; | 80 virtual void styleDidChange(StyleDifference, const LayoutStyle* oldStyle) ov
erride; |
| 81 virtual void imageChanged(WrappedImagePtr, const IntRect* = 0) override; | 81 virtual void imageChanged(WrappedImagePtr, const IntRect* = 0) override; |
| 82 | 82 |
| 83 private: | 83 private: |
| 84 RenderScrollbarPart(RenderScrollbar*, ScrollbarPart); | 84 LayoutScrollbarPart(LayoutScrollbar*, ScrollbarPart); |
| 85 | 85 |
| 86 virtual void computePreferredLogicalWidths() override; | 86 virtual void computePreferredLogicalWidths() override; |
| 87 | 87 |
| 88 // Have all padding getters return 0. The important point here is to avoid r
esolving percents | 88 // Have all padding getters return 0. The important point here is to avoid r
esolving percents |
| 89 // against the containing block, since scroll bar corners don't always have
one (so it would | 89 // against the containing block, since scroll bar corners don't always have
one (so it would |
| 90 // crash). Scroll bar corners are not actually laid out, and they don't have
child content, so | 90 // crash). Scroll bar corners are not actually laid out, and they don't have
child content, so |
| 91 // what we return here doesn't really matter. | 91 // what we return here doesn't really matter. |
| 92 virtual LayoutUnit paddingTop() const override { return LayoutUnit(); } | 92 virtual LayoutUnit paddingTop() const override { return LayoutUnit(); } |
| 93 virtual LayoutUnit paddingBottom() const override { return LayoutUnit(); } | 93 virtual LayoutUnit paddingBottom() const override { return LayoutUnit(); } |
| 94 virtual LayoutUnit paddingLeft() const override { return LayoutUnit(); } | 94 virtual LayoutUnit paddingLeft() const override { return LayoutUnit(); } |
| 95 virtual LayoutUnit paddingRight() const override { return LayoutUnit(); } | 95 virtual LayoutUnit paddingRight() const override { return LayoutUnit(); } |
| 96 virtual LayoutUnit paddingBefore() const override { return LayoutUnit(); } | 96 virtual LayoutUnit paddingBefore() const override { return LayoutUnit(); } |
| 97 virtual LayoutUnit paddingAfter() const override { return LayoutUnit(); } | 97 virtual LayoutUnit paddingAfter() const override { return LayoutUnit(); } |
| 98 virtual LayoutUnit paddingStart() const override { return LayoutUnit(); } | 98 virtual LayoutUnit paddingStart() const override { return LayoutUnit(); } |
| 99 virtual LayoutUnit paddingEnd() const override { return LayoutUnit(); } | 99 virtual LayoutUnit paddingEnd() const override { return LayoutUnit(); } |
| 100 | 100 |
| 101 void layoutHorizontalPart(); | 101 void layoutHorizontalPart(); |
| 102 void layoutVerticalPart(); | 102 void layoutVerticalPart(); |
| 103 | 103 |
| 104 void computeScrollbarWidth(); | 104 void computeScrollbarWidth(); |
| 105 void computeScrollbarHeight(); | 105 void computeScrollbarHeight(); |
| 106 | 106 |
| 107 RenderScrollbar* m_scrollbar; | 107 LayoutScrollbar* m_scrollbar; |
| 108 ScrollbarPart m_part; | 108 ScrollbarPart m_part; |
| 109 }; | 109 }; |
| 110 | 110 |
| 111 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(RenderScrollbarPart, isRenderScrollbarPart()); | 111 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutScrollbarPart, isLayoutScrollbarPart()); |
| 112 | 112 |
| 113 } // namespace blink | 113 } // namespace blink |
| 114 | 114 |
| 115 #endif // RenderScrollbarPart_h | 115 #endif // LayoutScrollbarPart_h |
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