michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* vim: set ts=2 sw=2 et tw=79: */
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: #include "mozilla/dom/XBLChildrenElement.h"
michael@0: #include "nsCharSeparatedTokenizer.h"
michael@0: #include "mozilla/dom/NodeListBinding.h"
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace dom {
michael@0: 
michael@0: XBLChildrenElement::~XBLChildrenElement()
michael@0: {
michael@0: }
michael@0: 
michael@0: NS_IMPL_ADDREF_INHERITED(XBLChildrenElement, Element)
michael@0: NS_IMPL_RELEASE_INHERITED(XBLChildrenElement, Element)
michael@0: 
michael@0: NS_INTERFACE_TABLE_HEAD(XBLChildrenElement)
michael@0:   NS_INTERFACE_TABLE_INHERITED(XBLChildrenElement, nsIDOMNode,
michael@0:                                nsIDOMElement)
michael@0:   NS_ELEMENT_INTERFACE_TABLE_TO_MAP_SEGUE
michael@0: NS_INTERFACE_MAP_END_INHERITING(Element)
michael@0: 
michael@0: NS_IMPL_ELEMENT_CLONE(XBLChildrenElement)
michael@0: 
michael@0: nsIAtom*
michael@0: XBLChildrenElement::GetIDAttributeName() const
michael@0: {
michael@0:   return nullptr;
michael@0: }
michael@0: 
michael@0: nsIAtom*
michael@0: XBLChildrenElement::DoGetID() const
michael@0: {
michael@0:   return nullptr;
michael@0: }
michael@0: 
michael@0: nsresult
michael@0: XBLChildrenElement::UnsetAttr(int32_t aNameSpaceID, nsIAtom* aAttribute,
michael@0:                               bool aNotify)
michael@0: {
michael@0:   if (aAttribute == nsGkAtoms::includes &&
michael@0:       aNameSpaceID == kNameSpaceID_None) {
michael@0:     mIncludes.Clear();
michael@0:   }
michael@0: 
michael@0:   return Element::UnsetAttr(aNameSpaceID, aAttribute, aNotify);
michael@0: }
michael@0: 
michael@0: bool
michael@0: XBLChildrenElement::ParseAttribute(int32_t aNamespaceID,
michael@0:                                    nsIAtom* aAttribute,
michael@0:                                    const nsAString& aValue,
michael@0:                                    nsAttrValue& aResult)
michael@0: {
michael@0:   if (aAttribute == nsGkAtoms::includes &&
michael@0:       aNamespaceID == kNameSpaceID_None) {
michael@0:     mIncludes.Clear();
michael@0:     nsCharSeparatedTokenizer tok(aValue, '|',
michael@0:                                  nsCharSeparatedTokenizer::SEPARATOR_OPTIONAL);
michael@0:     while (tok.hasMoreTokens()) {
michael@0:       nsCOMPtr<nsIAtom> atom = do_GetAtom(tok.nextToken());
michael@0:       mIncludes.AppendElement(atom);
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   return false;
michael@0: }
michael@0: 
michael@0: } // namespace mozilla
michael@0: } // namespace dom
michael@0: 
michael@0: using namespace mozilla::dom;
michael@0: 
michael@0: NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_1(nsAnonymousContentList, mParent)
michael@0: 
michael@0: NS_IMPL_CYCLE_COLLECTING_ADDREF(nsAnonymousContentList)
michael@0: NS_IMPL_CYCLE_COLLECTING_RELEASE(nsAnonymousContentList)
michael@0: 
michael@0: NS_INTERFACE_TABLE_HEAD(nsAnonymousContentList)
michael@0:   NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
michael@0:   NS_INTERFACE_TABLE_INHERITED(nsAnonymousContentList, nsINodeList,
michael@0:                                nsIDOMNodeList)
michael@0:   NS_INTERFACE_TABLE_TO_MAP_SEGUE
michael@0:   NS_INTERFACE_MAP_ENTRIES_CYCLE_COLLECTION(nsAnonymousContentList)
michael@0:   NS_INTERFACE_MAP_ENTRY(nsISupports)
michael@0: NS_INTERFACE_MAP_END
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsAnonymousContentList::GetLength(uint32_t* aLength)
michael@0: {
michael@0:   if (!mParent) {
michael@0:     *aLength = 0;
michael@0:     return NS_OK;
michael@0:   }
michael@0: 
michael@0:   uint32_t count = 0;
michael@0:   for (nsIContent* child = mParent->GetFirstChild();
michael@0:        child;
michael@0:        child = child->GetNextSibling()) {
michael@0:     if (child->NodeInfo()->Equals(nsGkAtoms::children, kNameSpaceID_XBL)) {
michael@0:       XBLChildrenElement* point = static_cast<XBLChildrenElement*>(child);
michael@0:       if (!point->mInsertedChildren.IsEmpty()) {
michael@0:         count += point->mInsertedChildren.Length();
michael@0:       }
michael@0:       else {
michael@0:         count += point->GetChildCount();
michael@0:       }
michael@0:     }
michael@0:     else {
michael@0:       ++count;
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   *aLength = count;
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsAnonymousContentList::Item(uint32_t aIndex, nsIDOMNode** aReturn)
michael@0: {
michael@0:   nsIContent* item = Item(aIndex);
michael@0:   if (!item) {
michael@0:     return NS_ERROR_FAILURE;
michael@0:   }
michael@0: 
michael@0:   return CallQueryInterface(item, aReturn);
michael@0: }
michael@0: 
michael@0: nsIContent*
michael@0: nsAnonymousContentList::Item(uint32_t aIndex)
michael@0: {
michael@0:   if (!mParent) {
michael@0:     return nullptr;
michael@0:   }
michael@0: 
michael@0:   uint32_t remIndex = aIndex;
michael@0:   for (nsIContent* child = mParent->GetFirstChild();
michael@0:        child;
michael@0:        child = child->GetNextSibling()) {
michael@0:     if (child->NodeInfo()->Equals(nsGkAtoms::children, kNameSpaceID_XBL)) {
michael@0:       XBLChildrenElement* point = static_cast<XBLChildrenElement*>(child);
michael@0:       if (!point->mInsertedChildren.IsEmpty()) {
michael@0:         if (remIndex < point->mInsertedChildren.Length()) {
michael@0:           return point->mInsertedChildren[remIndex];
michael@0:         }
michael@0:         remIndex -= point->mInsertedChildren.Length();
michael@0:       }
michael@0:       else {
michael@0:         if (remIndex < point->GetChildCount()) {
michael@0:           return point->GetChildAt(remIndex);
michael@0:         }
michael@0:         remIndex -= point->GetChildCount();
michael@0:       }
michael@0:     }
michael@0:     else {
michael@0:       if (remIndex == 0) {
michael@0:         return child;
michael@0:       }
michael@0:       --remIndex;
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   return nullptr;
michael@0: }
michael@0: 
michael@0: int32_t
michael@0: nsAnonymousContentList::IndexOf(nsIContent* aContent)
michael@0: {
michael@0:   NS_ASSERTION(!aContent->NodeInfo()->Equals(nsGkAtoms::children,
michael@0:                                              kNameSpaceID_XBL),
michael@0:                "Looking for insertion point");
michael@0: 
michael@0:   if (!mParent) {
michael@0:     return -1;
michael@0:   }
michael@0: 
michael@0:   uint32_t index = 0;
michael@0:   for (nsIContent* child = mParent->GetFirstChild();
michael@0:        child;
michael@0:        child = child->GetNextSibling()) {
michael@0:     if (child->NodeInfo()->Equals(nsGkAtoms::children, kNameSpaceID_XBL)) {
michael@0:       XBLChildrenElement* point = static_cast<XBLChildrenElement*>(child);
michael@0:       if (!point->mInsertedChildren.IsEmpty()) {
michael@0:         uint32_t insIndex = point->mInsertedChildren.IndexOf(aContent);
michael@0:         if (insIndex != point->mInsertedChildren.NoIndex) {
michael@0:           return index + insIndex;
michael@0:         }
michael@0:         index += point->mInsertedChildren.Length();
michael@0:       }
michael@0:       else {
michael@0:         int32_t insIndex = point->IndexOf(aContent);
michael@0:         if (insIndex != -1) {
michael@0:           return index + (uint32_t)insIndex;
michael@0:         }
michael@0:         index += point->GetChildCount();
michael@0:       }
michael@0:     }
michael@0:     else {
michael@0:       if (child == aContent) {
michael@0:         return index;
michael@0:       }
michael@0:       ++index;
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   return -1;
michael@0: }
michael@0: 
michael@0: JSObject*
michael@0: nsAnonymousContentList::WrapObject(JSContext *cx)
michael@0: {
michael@0:   return mozilla::dom::NodeListBinding::Wrap(cx, this);
michael@0: }