import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

dom/base/DocumentFragment.cpp

@@ -0,0 +1,151 @@
+/* -*- 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/. */
+
+/*
+ * Implementation of DOM Core's nsIDOMDocumentFragment.
+ */
+
+#include "mozilla/dom/DocumentFragment.h"
+#include "mozilla/dom/Element.h" // for NS_IMPL_ELEMENT_CLONE
+#include "mozilla/dom/NodeInfo.h"
+#include "nsNodeInfoManager.h"
+#include "nsError.h"
+#include "nsGkAtoms.h"
+#include "nsDOMString.h"
+#include "nsContentUtils.h" // for NS_INTERFACE_MAP_ENTRY_TEAROFF
+#include "mozilla/dom/DocumentFragmentBinding.h"
+#include "nsPIDOMWindow.h"
+#include "nsIDocument.h"
+#include "mozilla/IntegerPrintfMacros.h"
+
+namespace mozilla {
+namespace dom {
+
+JSObject*
+DocumentFragment::WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto)
+{
+  return DocumentFragmentBinding::Wrap(aCx, this, aGivenProto);
+}
+
+bool
+DocumentFragment::IsNodeOfType(uint32_t aFlags) const
+{
+  return !(aFlags & ~(eCONTENT | eDOCUMENT_FRAGMENT));
+}
+
+NS_IMETHODIMP
+DocumentFragment::QuerySelector(const nsAString& aSelector,
+                                nsIDOMElement **aReturn)
+{
+  return nsINode::QuerySelector(aSelector, aReturn);
+}
+
+NS_IMETHODIMP
+DocumentFragment::QuerySelectorAll(const nsAString& aSelector,
+                                   nsIDOMNodeList **aReturn)
+{
+  return nsINode::QuerySelectorAll(aSelector, aReturn);
+}
+
+#ifdef DEBUG
+void
+DocumentFragment::List(FILE* out, int32_t aIndent) const
+{
+  int32_t indent;
+  for (indent = aIndent; --indent >= 0; ) {
+    fputs("  ", out);
+  }
+
+  fprintf(out, "DocumentFragment@%p", (void *)this);
+
+  fprintf(out, " flags=[%08x]", static_cast<unsigned int>(GetFlags()));
+  fprintf(out, " refcount=%" PRIuPTR "<", mRefCnt.get());
+
+  nsIContent* child = GetFirstChild();
+  if (child) {
+    fputs("\n", out);
+
+    for (; child; child = child->GetNextSibling()) {
+      child->List(out, aIndent + 1);
+    }
+
+    for (indent = aIndent; --indent >= 0; ) {
+      fputs("  ", out);
+    }
+  }
+
+  fputs(">\n", out);
+}
+
+void
+DocumentFragment::DumpContent(FILE* out, int32_t aIndent,
+                              bool aDumpAll) const
+{
+  int32_t indent;
+  for (indent = aIndent; --indent >= 0; ) {
+    fputs("  ", out);
+  }
+
+  fputs("<DocumentFragment>", out);
+
+  if(aIndent) {
+    fputs("\n", out);
+  }
+
+  for (nsIContent* child = GetFirstChild();
+       child;
+       child = child->GetNextSibling()) {
+    int32_t indent = aIndent ? aIndent + 1 : 0;
+    child->DumpContent(out, indent, aDumpAll);
+  }
+  for (indent = aIndent; --indent >= 0; ) {
+    fputs("  ", out);
+  }
+  fputs("</DocumentFragment>", out);
+
+  if(aIndent) {
+    fputs("\n", out);
+  }
+}
+#endif
+
+/* static */ already_AddRefed<DocumentFragment>
+DocumentFragment::Constructor(const GlobalObject& aGlobal,
+                              ErrorResult& aRv)
+{
+  nsCOMPtr<nsPIDOMWindowInner> window = do_QueryInterface(aGlobal.GetAsSupports());
+  if (!window || !window->GetDoc()) {
+    aRv.Throw(NS_ERROR_FAILURE);
+    return nullptr;
+  }
+
+  return window->GetDoc()->CreateDocumentFragment();
+}
+
+// QueryInterface implementation for DocumentFragment
+NS_INTERFACE_MAP_BEGIN(DocumentFragment)
+  NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
+  NS_INTERFACE_MAP_ENTRIES_CYCLE_COLLECTION(DocumentFragment)
+  NS_INTERFACE_MAP_ENTRY(nsIContent)
+  NS_INTERFACE_MAP_ENTRY(nsINode)
+  NS_INTERFACE_MAP_ENTRY(nsIDOMDocumentFragment)
+  NS_INTERFACE_MAP_ENTRY(nsIDOMNode)
+  NS_INTERFACE_MAP_ENTRY(nsIDOMEventTarget)
+  NS_INTERFACE_MAP_ENTRY(mozilla::dom::EventTarget)
+  NS_INTERFACE_MAP_ENTRY_TEAROFF(nsISupportsWeakReference,
+                                 new nsNodeSupportsWeakRefTearoff(this))
+  // DOM bindings depend on the identity pointer being the
+  // same as nsINode (which nsIContent inherits).
+  NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIContent)
+NS_INTERFACE_MAP_END
+
+NS_IMPL_ADDREF_INHERITED(DocumentFragment, FragmentOrElement)
+NS_IMPL_RELEASE_INHERITED(DocumentFragment, FragmentOrElement)
+
+NS_IMPL_ELEMENT_CLONE(DocumentFragment)
+
+} // namespace dom
+} // namespace mozilla