gecko-dev/layout/generic/CSSOrderAwareFrameIterator.cpp

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/* Iterator class for frame lists that respect CSS "order" during layout */
#include "CSSOrderAwareFrameIterator.h"
namespace mozilla {
template <>
bool CSSOrderAwareFrameIterator::CSSOrderComparator(nsIFrame* const& a,
nsIFrame* const& b) {
return a->StylePosition()->mOrder < b->StylePosition()->mOrder;
}
template <>
bool CSSOrderAwareFrameIterator::CSSBoxOrdinalGroupComparator(
nsIFrame* const& a, nsIFrame* const& b) {
return a->StyleXUL()->mBoxOrdinal < b->StyleXUL()->mBoxOrdinal;
}
template <>
bool CSSOrderAwareFrameIterator::IsForward() const {
return true;
}
template <>
nsFrameList::iterator CSSOrderAwareFrameIterator::begin(
const nsFrameList& aList) {
return aList.begin();
}
template <>
nsFrameList::iterator CSSOrderAwareFrameIterator::end(
const nsFrameList& aList) {
return aList.end();
}
template <>
bool ReverseCSSOrderAwareFrameIterator::CSSOrderComparator(nsIFrame* const& a,
nsIFrame* const& b) {
return a->StylePosition()->mOrder > b->StylePosition()->mOrder;
}
template <>
bool ReverseCSSOrderAwareFrameIterator::CSSBoxOrdinalGroupComparator(
nsIFrame* const& a, nsIFrame* const& b) {
return a->StyleXUL()->mBoxOrdinal > b->StyleXUL()->mBoxOrdinal;
}
template <>
bool ReverseCSSOrderAwareFrameIterator::IsForward() const {
return false;
}
template <>
nsFrameList::reverse_iterator ReverseCSSOrderAwareFrameIterator::begin(
const nsFrameList& aList) {
return aList.rbegin();
}
template <>
nsFrameList::reverse_iterator ReverseCSSOrderAwareFrameIterator::end(
const nsFrameList& aList) {
return aList.rend();
}
} // namespace mozilla