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Diffstat (limited to '')
-rw-r--r-- | dom/base/DocumentFragment.cpp | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/dom/base/DocumentFragment.cpp b/dom/base/DocumentFragment.cpp new file mode 100644 index 0000000000..4cf5aac229 --- /dev/null +++ b/dom/base/DocumentFragment.cpp @@ -0,0 +1,124 @@ +/* -*- 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 DocumentFragment. + */ + +#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 "mozilla/dom/Document.h" +#include "mozilla/IntegerPrintfMacros.h" + +namespace mozilla::dom { + +JSObject* DocumentFragment::WrapNode(JSContext* aCx, + JS::Handle<JSObject*> aGivenProto) { + return DocumentFragment_Binding::Wrap(aCx, this, aGivenProto); +} + +bool DocumentFragment::IsNodeOfType(uint32_t aFlags) const { return false; } + +#ifdef MOZ_DOM_LIST +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(); +} + +NS_IMPL_CYCLE_COLLECTION_INHERITED(DocumentFragment, FragmentOrElement, mHost) + +// 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(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 mozilla::dom |