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-rw-r--r--dom/base/nsIContentInlines.h71
1 files changed, 71 insertions, 0 deletions
diff --git a/dom/base/nsIContentInlines.h b/dom/base/nsIContentInlines.h
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+++ b/dom/base/nsIContentInlines.h
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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/. */
+
+#ifndef nsIContentInlines_h
+#define nsIContentInlines_h
+
+#include "nsIContent.h"
+#include "nsIDocument.h"
+#include "nsContentUtils.h"
+#include "mozilla/dom/Element.h"
+
+inline bool
+nsIContent::IsInHTMLDocument() const
+{
+ return OwnerDoc()->IsHTMLDocument();
+}
+
+inline bool
+nsIContent::IsInChromeDocument() const
+{
+ return nsContentUtils::IsChromeDoc(OwnerDoc());
+}
+
+inline mozilla::dom::ShadowRoot* nsIContent::GetShadowRoot() const
+{
+ if (!IsElement()) {
+ return nullptr;
+ }
+
+ return AsElement()->FastGetShadowRoot();
+}
+
+inline nsINode* nsINode::GetFlattenedTreeParentNode() const
+{
+ nsINode* parent = GetParentNode();
+
+ // Try to short-circuit past the complicated and not-exactly-fast logic for
+ // computing the flattened parent.
+ //
+ // There are three cases where we need might something other than parentNode:
+ // (1) The node is an explicit child of an XBL-bound element, re-bound
+ // to an XBL insertion point.
+ // (2) The node is a top-level element in a shadow tree, whose flattened
+ // parent is the host element (as opposed to the actual parent which
+ // is the shadow root).
+ // (3) The node is an explicit child of an element with a shadow root,
+ // re-bound to an insertion point.
+ bool needSlowCall = HasFlag(NODE_MAY_BE_IN_BINDING_MNGR) ||
+ IsInShadowTree() ||
+ (parent && parent->IsContent() &&
+ parent->AsContent()->GetShadowRoot());
+ if (MOZ_UNLIKELY(needSlowCall)) {
+ MOZ_ASSERT(IsContent());
+ return AsContent()->GetFlattenedTreeParentNodeInternal();
+ }
+
+ return parent;
+}
+
+inline nsIContent*
+nsIContent::GetFlattenedTreeParent() const
+{
+ nsINode* parent = GetFlattenedTreeParentNode();
+ return (parent && parent->IsContent()) ? parent->AsContent() : nullptr;
+}
+
+
+#endif // nsIContentInlines_h