| /* |
| * Copyright (C) 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. |
| */ |
| |
| #include "config.h" |
| #include "GridPosition.h" |
| |
| namespace WebCore { |
| |
| std::optional<int> GridPosition::gMaxPositionForTesting; |
| static const int kGridMaxPosition = 1000000; |
| |
| void GridPosition::setExplicitPosition(int position, const String& namedGridLine) |
| { |
| m_type = ExplicitPosition; |
| setIntegerPosition(position); |
| m_namedGridLine = namedGridLine; |
| } |
| |
| void GridPosition::setAutoPosition() |
| { |
| m_type = AutoPosition; |
| m_integerPosition = 0; |
| } |
| |
| // 'span' values cannot be negative, yet we reuse the <integer> position which can |
| // be. This means that we have to convert the span position to an integer, losing |
| // some precision here. It shouldn't be an issue in practice though. |
| void GridPosition::setSpanPosition(int position, const String& namedGridLine) |
| { |
| m_type = SpanPosition; |
| setIntegerPosition(position); |
| m_namedGridLine = namedGridLine; |
| } |
| |
| void GridPosition::setNamedGridArea(const String& namedGridArea) |
| { |
| m_type = NamedGridAreaPosition; |
| m_namedGridLine = namedGridArea; |
| } |
| |
| int GridPosition::integerPosition() const |
| { |
| ASSERT(type() == ExplicitPosition); |
| return m_integerPosition; |
| } |
| |
| String GridPosition::namedGridLine() const |
| { |
| ASSERT(type() == ExplicitPosition || type() == SpanPosition || type() == NamedGridAreaPosition); |
| return m_namedGridLine; |
| } |
| |
| int GridPosition::spanPosition() const |
| { |
| ASSERT(type() == SpanPosition); |
| return m_integerPosition; |
| } |
| |
| int GridPosition::max() |
| { |
| return gMaxPositionForTesting.value_or(kGridMaxPosition); |
| } |
| |
| int GridPosition::min() |
| { |
| return -max(); |
| } |
| |
| bool GridPosition::operator==(const GridPosition& other) const |
| { |
| return m_type == other.m_type && m_integerPosition == other.m_integerPosition && m_namedGridLine == other.m_namedGridLine; |
| } |
| |
| void GridPosition::setMaxPositionForTesting(unsigned maxPosition) |
| { |
| gMaxPositionForTesting = static_cast<int>(maxPosition); |
| } |
| |
| } // namespace WebCore |