/* * Copyright (C) 2012 Google Inc. All rights reserved. * Copyright (C) 2013-2017 Igalia S.L. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following disclaimer * in the documentation and/or other materials provided with the * distribution. * * Neither the name of Google Inc. nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #pragma once #include <wtf/text/WTFString.h> namespace WebCore { enum GridPositionType { AutoPosition, ExplicitPosition, // [ <integer> || <string> ] SpanPosition, // span && [ <integer> || <string> ] NamedGridAreaPosition // <ident> }; enum GridPositionSide { ColumnStartSide, ColumnEndSide, RowStartSide, RowEndSide }; class GridPosition { public: GridPosition() : m_type(AutoPosition) , m_integerPosition(0) { } bool isPositive() const { return integerPosition() > 0; } GridPositionType type() const { return m_type; } bool isAuto() const { return m_type == AutoPosition; } bool isSpan() const { return m_type == SpanPosition; } bool isNamedGridArea() const { return m_type == NamedGridAreaPosition; } WEBCORE_EXPORT void setExplicitPosition(int position, const String& namedGridLine); void setAutoPosition(); WEBCORE_EXPORT void setSpanPosition(int position, const String& namedGridLine); void setNamedGridArea(const String&); WEBCORE_EXPORT int integerPosition() const; String namedGridLine() const; WEBCORE_EXPORT int spanPosition() const; bool operator==(const GridPosition& other) const; bool shouldBeResolvedAgainstOppositePosition() const { return isAuto() || isSpan(); } // Note that grid line 1 is internally represented by the index 0, that's why the max value for // a position is kGridMaxTracks instead of kGridMaxTracks + 1. static int max(); static int min(); WEBCORE_EXPORT static void setMaxPositionForTesting(unsigned); private: static std::optional<int> gMaxPositionForTesting; void setIntegerPosition(int integerPosition) { m_integerPosition = clampTo(integerPosition, min(), max()); } GridPositionType m_type; int m_integerPosition; String m_namedGridLine; }; } // namespace WebCore