| OLD | NEW |
|---|
| (Empty) |
| 1 /* | |
| 2 * Copyright (C) 2011 Adobe Systems Incorporated. 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 | |
| 9 * copyright notice, this list of conditions and the following | |
| 10 * disclaimer. | |
| 11 * 2. Redistributions in binary form must reproduce the above | |
| 12 * copyright notice, this list of conditions and the following | |
| 13 * disclaimer in the documentation and/or other materials | |
| 14 * provided with the distribution. | |
| 15 * | |
| 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER "AS IS" AND ANY | |
| 17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE | |
| 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, | |
| 21 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 22 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 23 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR | |
| 25 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF | |
| 26 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 27 * SUCH DAMAGE. | |
| 28 */ | |
| 29 | |
| 30 #ifndef LayoutRegion_h | |
| 31 #define LayoutRegion_h | |
| 32 | |
| 33 #include "core/CoreExport.h" | |
| 34 #include "core/layout/LayoutBlockFlow.h" | |
| 35 | |
| 36 namespace blink { | |
| 37 | |
| 38 class LayoutFlowThread; | |
| 39 | |
| 40 class CORE_EXPORT LayoutRegion : public LayoutBlockFlow { | |
| 41 public: | |
| 42 explicit LayoutRegion(Element*, LayoutFlowThread*); | |
| 43 | |
| 44 virtual bool isOfType(LayoutObjectType type) const override { return type ==
LayoutObjectLayoutRegion || LayoutBlockFlow::isOfType(type); } | |
| 45 | |
| 46 virtual LayoutRect flowThreadPortionRect() const = 0; | |
| 47 LayoutRect flowThreadPortionOverflowRect() const; | |
| 48 LayoutRect overflowRectForFlowThreadPortion(const LayoutRect& flowThreadPort
ionRect, bool isFirstPortion, bool isLastPortion) const; | |
| 49 | |
| 50 LayoutFlowThread* flowThread() const { return m_flowThread; } | |
| 51 | |
| 52 // Valid regions do not create circular dependencies with other flows. | |
| 53 bool isValid() const { return m_isValid; } | |
| 54 void setIsValid(bool valid) { m_isValid = valid; } | |
| 55 | |
| 56 bool isFirstRegion() const; | |
| 57 bool isLastRegion() const; | |
| 58 | |
| 59 // These methods represent the width and height of a "page" and for a Layout
Region they are just | |
| 60 // the content width and content height of a region. For LayoutMultiColumnSe
ts, however, they | |
| 61 // will be the width and height of a single column or page in the set. | |
| 62 virtual LayoutUnit pageLogicalWidth() const; | |
| 63 virtual LayoutUnit pageLogicalHeight() const; | |
| 64 | |
| 65 virtual bool canHaveChildren() const override final { return false; } | |
| 66 | |
| 67 virtual const char* name() const override { return "LayoutRegion"; } | |
| 68 | |
| 69 protected: | |
| 70 virtual void computeIntrinsicLogicalWidths(LayoutUnit& minLogicalWidth, Layo
utUnit& maxLogicalWidth) const override final; | |
| 71 | |
| 72 private: | |
| 73 virtual void layoutBlock(bool relayoutChildren) override final; | |
| 74 | |
| 75 protected: | |
| 76 LayoutFlowThread* m_flowThread; | |
| 77 | |
| 78 private: | |
| 79 bool m_isValid : 1; | |
| 80 }; | |
| 81 | |
| 82 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutRegion, isLayoutRegion()); | |
| 83 | |
| 84 } // namespace blink | |
| 85 | |
| 86 #endif // LayoutRegion_h | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 1122323002:
Cleanup: Remove LayoutRegion. (Closed)
Base URL: svn://svn.chromium.org/blink/trunk