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| 1 /* | |
| 2 * Copyright (C) 2007 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 * 1. Redistributions of source code must retain the above copyright | |
| 8 * notice, this list of conditions and the following disclaimer. | |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer in the | |
| 11 * documentation and/or other materials provided with the distribution. | |
| 12 * | |
| 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY | |
| 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR | |
| 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
| 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 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. | |
| 24 */ | |
| 25 | |
| 26 #ifndef SKY_ENGINE_CORE_RENDERING_LAYOUTSTATE_H_ | |
| 27 #define SKY_ENGINE_CORE_RENDERING_LAYOUTSTATE_H_ | |
| 28 | |
| 29 #include "sky/engine/platform/geometry/LayoutRect.h" | |
| 30 #include "sky/engine/wtf/HashMap.h" | |
| 31 #include "sky/engine/wtf/Noncopyable.h" | |
| 32 | |
| 33 namespace blink { | |
| 34 | |
| 35 class RenderBox; | |
| 36 class RenderObject; | |
| 37 class RenderInline; | |
| 38 class RenderView; | |
| 39 | |
| 40 class LayoutState { | |
| 41 WTF_MAKE_NONCOPYABLE(LayoutState); | |
| 42 public: | |
| 43 // Constructor for root LayoutState created by RenderView | |
| 44 explicit LayoutState(RenderView&); | |
| 45 // Constructor for sub-tree Layout and RenderTableSections | |
| 46 explicit LayoutState(RenderObject& root); | |
| 47 | |
| 48 LayoutState(RenderBox&, const LayoutSize& offset, bool containingBlockLogica
lWidthChanged = false); | |
| 49 LayoutState(RenderInline&); | |
| 50 | |
| 51 ~LayoutState(); | |
| 52 | |
| 53 const LayoutSize& layoutOffset() const { return m_layoutOffset; } | |
| 54 bool containingBlockLogicalWidthChanged() const { return m_containingBlockLo
gicalWidthChanged; } | |
| 55 | |
| 56 LayoutState* next() const { return m_next; } | |
| 57 | |
| 58 RenderObject& renderer() const { return m_renderer; } | |
| 59 | |
| 60 private: | |
| 61 bool m_containingBlockLogicalWidthChanged : 1; | |
| 62 | |
| 63 LayoutState* m_next; | |
| 64 | |
| 65 // x/y offset from container. Does not include relative positioning or scrol
l offsets. | |
| 66 LayoutSize m_layoutOffset; | |
| 67 | |
| 68 RenderObject& m_renderer; | |
| 69 }; | |
| 70 | |
| 71 } // namespace blink | |
| 72 | |
| 73 #endif // SKY_ENGINE_CORE_RENDERING_LAYOUTSTATE_H_ | |
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