michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: /*
michael@0:  * Implementation of DOM Core's nsIDOMDocumentFragment.
michael@0:  */
michael@0: 
michael@0: #include "mozilla/dom/DocumentFragment.h"
michael@0: #include "mozilla/dom/Element.h" // for NS_IMPL_ELEMENT_CLONE
michael@0: #include "nsINodeInfo.h"
michael@0: #include "nsNodeInfoManager.h"
michael@0: #include "nsError.h"
michael@0: #include "nsGkAtoms.h"
michael@0: #include "nsDOMString.h"
michael@0: #include "nsContentUtils.h" // for NS_INTERFACE_MAP_ENTRY_TEAROFF
michael@0: #include "mozilla/dom/DocumentFragmentBinding.h"
michael@0: #include "nsPIDOMWindow.h"
michael@0: #include "nsIDocument.h"
michael@0: #include "mozilla/IntegerPrintfMacros.h"
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace dom {
michael@0: 
michael@0: JSObject*
michael@0: DocumentFragment::WrapNode(JSContext *aCx)
michael@0: {
michael@0:   return DocumentFragmentBinding::Wrap(aCx, this);
michael@0: }
michael@0: 
michael@0: bool
michael@0: DocumentFragment::IsNodeOfType(uint32_t aFlags) const
michael@0: {
michael@0:   return !(aFlags & ~(eCONTENT | eDOCUMENT_FRAGMENT));
michael@0: }
michael@0: 
michael@0: nsIAtom*
michael@0: DocumentFragment::DoGetID() const
michael@0: {
michael@0:   return nullptr;  
michael@0: }
michael@0: 
michael@0: nsIAtom*
michael@0: DocumentFragment::GetIDAttributeName() const
michael@0: {
michael@0:   return nullptr;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: DocumentFragment::QuerySelector(const nsAString& aSelector,
michael@0:                                 nsIDOMElement **aReturn)
michael@0: {
michael@0:   return nsINode::QuerySelector(aSelector, aReturn);
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: DocumentFragment::QuerySelectorAll(const nsAString& aSelector,
michael@0:                                    nsIDOMNodeList **aReturn)
michael@0: {
michael@0:   return nsINode::QuerySelectorAll(aSelector, aReturn);
michael@0: }
michael@0: 
michael@0: #ifdef DEBUG
michael@0: void
michael@0: DocumentFragment::List(FILE* out, int32_t aIndent) const
michael@0: {
michael@0:   int32_t indent;
michael@0:   for (indent = aIndent; --indent >= 0; ) {
michael@0:     fputs("  ", out);
michael@0:   }
michael@0: 
michael@0:   fprintf(out, "DocumentFragment@%p", (void *)this);
michael@0: 
michael@0:   fprintf(out, " flags=[%08x]", static_cast<unsigned int>(GetFlags()));
michael@0:   fprintf(out, " refcount=%" PRIuPTR "<", mRefCnt.get());
michael@0: 
michael@0:   nsIContent* child = GetFirstChild();
michael@0:   if (child) {
michael@0:     fputs("\n", out);
michael@0: 
michael@0:     for (; child; child = child->GetNextSibling()) {
michael@0:       child->List(out, aIndent + 1);
michael@0:     }
michael@0: 
michael@0:     for (indent = aIndent; --indent >= 0; ) {
michael@0:       fputs("  ", out);
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   fputs(">\n", out);
michael@0: }
michael@0: 
michael@0: void
michael@0: DocumentFragment::DumpContent(FILE* out, int32_t aIndent,
michael@0:                               bool aDumpAll) const
michael@0: {
michael@0:   int32_t indent;
michael@0:   for (indent = aIndent; --indent >= 0; ) {
michael@0:     fputs("  ", out);
michael@0:   }
michael@0: 
michael@0:   fputs("<DocumentFragment>", out);
michael@0: 
michael@0:   if(aIndent) {
michael@0:     fputs("\n", out);
michael@0:   }
michael@0: 
michael@0:   for (nsIContent* child = GetFirstChild();
michael@0:        child;
michael@0:        child = child->GetNextSibling()) {
michael@0:     int32_t indent = aIndent ? aIndent + 1 : 0;
michael@0:     child->DumpContent(out, indent, aDumpAll);
michael@0:   }
michael@0:   for (indent = aIndent; --indent >= 0; ) {
michael@0:     fputs("  ", out);
michael@0:   }
michael@0:   fputs("</DocumentFragment>", out);
michael@0: 
michael@0:   if(aIndent) {
michael@0:     fputs("\n", out);
michael@0:   }
michael@0: }
michael@0: #endif
michael@0: 
michael@0: /* static */ already_AddRefed<DocumentFragment>
michael@0: DocumentFragment::Constructor(const GlobalObject& aGlobal,
michael@0:                               ErrorResult& aRv)
michael@0: {
michael@0:   nsCOMPtr<nsPIDOMWindow> window = do_QueryInterface(aGlobal.GetAsSupports());
michael@0:   if (!window || !window->GetDoc()) {
michael@0:     aRv.Throw(NS_ERROR_FAILURE);
michael@0:     return nullptr;
michael@0:   }
michael@0: 
michael@0:   return window->GetDoc()->CreateDocumentFragment();
michael@0: }
michael@0: 
michael@0: // QueryInterface implementation for DocumentFragment
michael@0: NS_INTERFACE_MAP_BEGIN(DocumentFragment)
michael@0:   NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
michael@0:   NS_INTERFACE_MAP_ENTRIES_CYCLE_COLLECTION(DocumentFragment)
michael@0:   NS_INTERFACE_MAP_ENTRY(nsIContent)
michael@0:   NS_INTERFACE_MAP_ENTRY(nsINode)
michael@0:   NS_INTERFACE_MAP_ENTRY(nsIDOMDocumentFragment)
michael@0:   NS_INTERFACE_MAP_ENTRY(nsIDOMNode)
michael@0:   NS_INTERFACE_MAP_ENTRY(nsIDOMEventTarget)
michael@0:   NS_INTERFACE_MAP_ENTRY(mozilla::dom::EventTarget)
michael@0:   NS_INTERFACE_MAP_ENTRY_TEAROFF(nsISupportsWeakReference,
michael@0:                                  new nsNodeSupportsWeakRefTearoff(this))
michael@0:   // DOM bindings depend on the identity pointer being the
michael@0:   // same as nsINode (which nsIContent inherits).
michael@0:   NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIContent)
michael@0: NS_INTERFACE_MAP_END
michael@0: 
michael@0: NS_IMPL_ADDREF_INHERITED(DocumentFragment, FragmentOrElement)
michael@0: NS_IMPL_RELEASE_INHERITED(DocumentFragment, FragmentOrElement)
michael@0: 
michael@0: NS_IMPL_ELEMENT_CLONE(DocumentFragment)
michael@0: 
michael@0: } // namespace dom
michael@0: } // namespace mozilla