1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/xbl/XBLChildrenElement.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,182 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* vim: set ts=2 sw=2 et tw=79: */
1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#ifndef nsXBLChildrenElement_h___
1.11 +#define nsXBLChildrenElement_h___
1.12 +
1.13 +#include "nsIDOMElement.h"
1.14 +#include "nsINodeList.h"
1.15 +#include "nsBindingManager.h"
1.16 +#include "mozilla/dom/nsXMLElement.h"
1.17 +
1.18 +class nsAnonymousContentList;
1.19 +
1.20 +namespace mozilla {
1.21 +namespace dom {
1.22 +
1.23 +class ExplicitChildIterator;
1.24 +
1.25 +class XBLChildrenElement : public nsXMLElement
1.26 +{
1.27 +public:
1.28 + friend class mozilla::dom::ExplicitChildIterator;
1.29 + friend class nsAnonymousContentList;
1.30 + XBLChildrenElement(already_AddRefed<nsINodeInfo>& aNodeInfo)
1.31 + : nsXMLElement(aNodeInfo)
1.32 + {
1.33 + }
1.34 + XBLChildrenElement(already_AddRefed<nsINodeInfo>&& aNodeInfo)
1.35 + : nsXMLElement(aNodeInfo)
1.36 + {
1.37 + }
1.38 + ~XBLChildrenElement();
1.39 +
1.40 + // nsISupports
1.41 + NS_DECL_ISUPPORTS_INHERITED
1.42 +
1.43 + // nsINode interface methods
1.44 + virtual nsresult Clone(nsINodeInfo *aNodeInfo, nsINode **aResult) const;
1.45 +
1.46 + virtual nsXPCClassInfo* GetClassInfo() { return nullptr; }
1.47 +
1.48 + virtual nsIDOMNode* AsDOMNode() { return this; }
1.49 +
1.50 + // nsIContent interface methods
1.51 + virtual nsIAtom *GetIDAttributeName() const;
1.52 + virtual nsIAtom* DoGetID() const;
1.53 + virtual nsresult UnsetAttr(int32_t aNameSpaceID, nsIAtom* aAttribute,
1.54 + bool aNotify);
1.55 + virtual bool ParseAttribute(int32_t aNamespaceID,
1.56 + nsIAtom* aAttribute,
1.57 + const nsAString& aValue,
1.58 + nsAttrValue& aResult);
1.59 +
1.60 + void AppendInsertedChild(nsIContent* aChild)
1.61 + {
1.62 + mInsertedChildren.AppendElement(aChild);
1.63 + aChild->SetXBLInsertionParent(GetParent());
1.64 + }
1.65 +
1.66 + void InsertInsertedChildAt(nsIContent* aChild, uint32_t aIndex)
1.67 + {
1.68 + mInsertedChildren.InsertElementAt(aIndex, aChild);
1.69 + aChild->SetXBLInsertionParent(GetParent());
1.70 + }
1.71 +
1.72 + void RemoveInsertedChild(nsIContent* aChild)
1.73 + {
1.74 + // Can't use this assertion as we cheat for dynamic insertions and
1.75 + // only insert in the innermost insertion point.
1.76 + //NS_ASSERTION(mInsertedChildren.Contains(aChild),
1.77 + // "Removing child that's not there");
1.78 + mInsertedChildren.RemoveElement(aChild);
1.79 + }
1.80 +
1.81 + void ClearInsertedChildren()
1.82 + {
1.83 + for (uint32_t c = 0; c < mInsertedChildren.Length(); ++c) {
1.84 + mInsertedChildren[c]->SetXBLInsertionParent(nullptr);
1.85 + }
1.86 + mInsertedChildren.Clear();
1.87 + }
1.88 +
1.89 + void MaybeSetupDefaultContent()
1.90 + {
1.91 + if (!HasInsertedChildren()) {
1.92 + for (nsIContent* child = static_cast<nsINode*>(this)->GetFirstChild();
1.93 + child;
1.94 + child = child->GetNextSibling()) {
1.95 + child->SetXBLInsertionParent(GetParent());
1.96 + }
1.97 + }
1.98 + }
1.99 +
1.100 + void MaybeRemoveDefaultContent()
1.101 + {
1.102 + if (!HasInsertedChildren()) {
1.103 + for (nsIContent* child = static_cast<nsINode*>(this)->GetFirstChild();
1.104 + child;
1.105 + child = child->GetNextSibling()) {
1.106 + child->SetXBLInsertionParent(nullptr);
1.107 + }
1.108 + }
1.109 + }
1.110 +
1.111 + uint32_t InsertedChildrenLength()
1.112 + {
1.113 + return mInsertedChildren.Length();
1.114 + }
1.115 +
1.116 + bool HasInsertedChildren()
1.117 + {
1.118 + return !mInsertedChildren.IsEmpty();
1.119 + }
1.120 +
1.121 + enum {
1.122 + NoIndex = uint32_t(-1)
1.123 + };
1.124 + uint32_t IndexOfInsertedChild(nsIContent* aChild)
1.125 + {
1.126 + return mInsertedChildren.IndexOf(aChild);
1.127 + }
1.128 +
1.129 + bool Includes(nsIContent* aChild)
1.130 + {
1.131 + NS_ASSERTION(!mIncludes.IsEmpty(),
1.132 + "Shouldn't check for includes on default insertion point");
1.133 + return mIncludes.Contains(aChild->Tag());
1.134 + }
1.135 +
1.136 + bool IsDefaultInsertion()
1.137 + {
1.138 + return mIncludes.IsEmpty();
1.139 + }
1.140 +
1.141 + nsTArray<nsIContent*> mInsertedChildren;
1.142 +
1.143 +private:
1.144 + nsTArray<nsCOMPtr<nsIAtom> > mIncludes;
1.145 +};
1.146 +
1.147 +} // namespace dom
1.148 +} // namespace mozilla
1.149 +
1.150 +class nsAnonymousContentList : public nsINodeList
1.151 +{
1.152 +public:
1.153 + nsAnonymousContentList(nsIContent* aParent)
1.154 + : mParent(aParent)
1.155 + {
1.156 + MOZ_COUNT_CTOR(nsAnonymousContentList);
1.157 + SetIsDOMBinding();
1.158 + }
1.159 +
1.160 + virtual ~nsAnonymousContentList()
1.161 + {
1.162 + MOZ_COUNT_DTOR(nsAnonymousContentList);
1.163 + }
1.164 +
1.165 + NS_DECL_CYCLE_COLLECTING_ISUPPORTS
1.166 + NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(nsAnonymousContentList)
1.167 + // nsIDOMNodeList interface
1.168 + NS_DECL_NSIDOMNODELIST
1.169 +
1.170 + // nsINodeList interface
1.171 + virtual int32_t IndexOf(nsIContent* aContent);
1.172 + virtual nsINode* GetParentObject() { return mParent; }
1.173 + virtual nsIContent* Item(uint32_t aIndex);
1.174 +
1.175 + virtual JSObject* WrapObject(JSContext *cx) MOZ_OVERRIDE;
1.176 +
1.177 + bool IsListFor(nsIContent* aContent) {
1.178 + return mParent == aContent;
1.179 + }
1.180 +
1.181 +private:
1.182 + nsCOMPtr<nsIContent> mParent;
1.183 +};
1.184 +
1.185 +#endif // nsXBLChildrenElement_h___
