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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/. */
#include "DocumentStyleRootIterator.h"
#include "mozilla/dom/Element.h"
#include "nsContentUtils.h"
namespace mozilla {
DocumentStyleRootIterator::DocumentStyleRootIterator(nsINode* aStyleRoot)
: mPosition(0) {
MOZ_COUNT_CTOR(DocumentStyleRootIterator);
MOZ_ASSERT(aStyleRoot);
if (aStyleRoot->IsElement()) {
mStyleRoots.AppendElement(aStyleRoot->AsElement());
return;
}
dom::Document* doc = aStyleRoot->OwnerDoc();
MOZ_ASSERT(doc == aStyleRoot);
if (dom::Element* root = doc->GetRootElement()) {
mStyleRoots.AppendElement(root);
}
nsContentUtils::AppendDocumentLevelNativeAnonymousContentTo(doc, mStyleRoots);
}
dom::Element* DocumentStyleRootIterator::GetNextStyleRoot() {
for (;;) {
if (mPosition >= mStyleRoots.Length()) {
return nullptr;
}
nsIContent* next = mStyleRoots[mPosition];
++mPosition;
if (next->IsElement()) {
return next->AsElement();
}
}
}
} // namespace mozilla
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