72 lines
2.1 KiB
C
72 lines
2.1 KiB
C
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsIContentInlines_h
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#define nsIContentInlines_h
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#include "nsIContent.h"
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#include "nsIDocument.h"
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#include "nsContentUtils.h"
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#include "mozilla/dom/Element.h"
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inline bool
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nsIContent::IsInHTMLDocument() const
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{
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return OwnerDoc()->IsHTMLDocument();
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}
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inline bool
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nsIContent::IsInChromeDocument() const
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{
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return nsContentUtils::IsChromeDoc(OwnerDoc());
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}
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inline mozilla::dom::ShadowRoot* nsIContent::GetShadowRoot() const
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{
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if (!IsElement()) {
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return nullptr;
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}
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return AsElement()->FastGetShadowRoot();
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}
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inline nsINode* nsINode::GetFlattenedTreeParentNode() const
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{
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nsINode* parent = GetParentNode();
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// Try to short-circuit past the complicated and not-exactly-fast logic for
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// computing the flattened parent.
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//
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// There are three cases where we need might something other than parentNode:
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// (1) The node is an explicit child of an XBL-bound element, re-bound
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// to an XBL insertion point.
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// (2) The node is a top-level element in a shadow tree, whose flattened
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// parent is the host element (as opposed to the actual parent which
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// is the shadow root).
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// (3) The node is an explicit child of an element with a shadow root,
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// re-bound to an insertion point.
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bool needSlowCall = HasFlag(NODE_MAY_BE_IN_BINDING_MNGR) ||
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IsInShadowTree() ||
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(parent && parent->IsContent() &&
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parent->AsContent()->GetShadowRoot());
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if (MOZ_UNLIKELY(needSlowCall)) {
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MOZ_ASSERT(IsContent());
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return AsContent()->GetFlattenedTreeParentNodeInternal();
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}
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return parent;
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}
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inline nsIContent*
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nsIContent::GetFlattenedTreeParent() const
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{
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nsINode* parent = GetFlattenedTreeParentNode();
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return (parent && parent->IsContent()) ? parent->AsContent() : nullptr;
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}
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#endif // nsIContentInlines_h
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