/* * Copyright (C) 2013 Google Inc. All rights reserved. * Copyright (C) 2013, 2014 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. */ #ifndef GridCoordinate_h #define GridCoordinate_h #if ENABLE(CSS_GRID_LAYOUT) #include "GridResolvedPosition.h" #include <wtf/HashMap.h> #include <wtf/text/WTFString.h> namespace WebCore { // A span in a single direction (either rows or columns). Note that |resolvedInitialPosition| // and |resolvedFinalPosition| are grid areas' indexes, NOT grid lines'. Iterating over the // span should include both |resolvedInitialPosition| and |resolvedFinalPosition| to be correct. class GridSpan { public: GridSpan(const GridResolvedPosition& resolvedInitialPosition, const GridResolvedPosition& resolvedFinalPosition) : resolvedInitialPosition(resolvedInitialPosition) , resolvedFinalPosition(resolvedFinalPosition) { ASSERT(resolvedInitialPosition <= resolvedFinalPosition); } bool operator==(const GridSpan& o) const { return resolvedInitialPosition == o.resolvedInitialPosition && resolvedFinalPosition == o.resolvedFinalPosition; } size_t integerSpan() const { return resolvedFinalPosition.toInt() - resolvedInitialPosition.toInt() + 1; } GridResolvedPosition resolvedInitialPosition; GridResolvedPosition resolvedFinalPosition; typedef GridResolvedPosition iterator; iterator begin() const { return resolvedInitialPosition; } iterator end() const { return resolvedFinalPosition.next(); } }; // This represents a grid area that spans in both rows' and columns' direction. class GridCoordinate { public: // HashMap requires a default constuctor. GridCoordinate() : columns(0, 0) , rows(0, 0) { } GridCoordinate(const GridSpan& r, const GridSpan& c) : columns(c) , rows(r) { } bool operator==(const GridCoordinate& o) const { return columns == o.columns && rows == o.rows; } bool operator!=(const GridCoordinate& o) const { return !(*this == o); } GridSpan columns; GridSpan rows; }; typedef HashMap<String, GridCoordinate> NamedGridAreaMap; } // namespace WebCore #endif /* ENABLE(CSS_GRID_LAYOUT) */ #endif // GridCoordinate_h