content/base/src/DocumentFragment.h

changeset 0
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1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
2 * vim: sw=2 ts=2 et :
3 * This Source Code Form is subject to the terms of the Mozilla Public
4 * License, v. 2.0. If a copy of the MPL was not distributed with this
5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6
7 #ifndef mozilla_dom_DocumentFragment_h__
8 #define mozilla_dom_DocumentFragment_h__
9
10 #include "mozilla/Attributes.h"
11 #include "mozilla/dom/FragmentOrElement.h"
12 #include "nsIDOMDocumentFragment.h"
13
14 class nsINodeInfo;
15 class nsIAtom;
16 class nsAString;
17 class nsIDocument;
18 class nsIContent;
19
20 namespace mozilla {
21 namespace dom {
22
23 class Element;
24
25 class DocumentFragment : public FragmentOrElement,
26 public nsIDOMDocumentFragment
27 {
28 private:
29 void Init()
30 {
31 NS_ABORT_IF_FALSE(mNodeInfo->NodeType() ==
32 nsIDOMNode::DOCUMENT_FRAGMENT_NODE &&
33 mNodeInfo->Equals(nsGkAtoms::documentFragmentNodeName,
34 kNameSpaceID_None),
35 "Bad NodeType in aNodeInfo");
36 }
37
38 public:
39 using FragmentOrElement::GetFirstChild;
40 using nsINode::QuerySelector;
41 using nsINode::QuerySelectorAll;
42 // Make sure bindings can see our superclass' protected GetElementById method.
43 using nsINode::GetElementById;
44
45 // nsISupports
46 NS_DECL_ISUPPORTS_INHERITED
47
48 // interface nsIDOMNode
49 NS_FORWARD_NSIDOMNODE_TO_NSINODE
50
51 // interface nsIDOMDocumentFragment
52 NS_DECL_NSIDOMDOCUMENTFRAGMENT
53
54 DocumentFragment(already_AddRefed<nsINodeInfo>& aNodeInfo)
55 : FragmentOrElement(aNodeInfo), mHost(nullptr)
56 {
57 Init();
58 }
59
60 DocumentFragment(nsNodeInfoManager* aNodeInfoManager)
61 : FragmentOrElement(aNodeInfoManager->GetNodeInfo(
62 nsGkAtoms::documentFragmentNodeName,
63 nullptr, kNameSpaceID_None,
64 nsIDOMNode::DOCUMENT_FRAGMENT_NODE)),
65 mHost(nullptr)
66 {
67 Init();
68 }
69
70 virtual ~DocumentFragment()
71 {
72 }
73
74 virtual JSObject* WrapNode(JSContext *aCx) MOZ_OVERRIDE;
75
76 // nsIContent
77 nsresult SetAttr(int32_t aNameSpaceID, nsIAtom* aName,
78 const nsAString& aValue, bool aNotify)
79 {
80 return SetAttr(aNameSpaceID, aName, nullptr, aValue, aNotify);
81 }
82 virtual nsresult SetAttr(int32_t aNameSpaceID, nsIAtom* aName,
83 nsIAtom* aPrefix, const nsAString& aValue,
84 bool aNotify) MOZ_OVERRIDE
85 {
86 return NS_OK;
87 }
88 virtual nsresult UnsetAttr(int32_t aNameSpaceID, nsIAtom* aAttribute,
89 bool aNotify) MOZ_OVERRIDE
90 {
91 return NS_OK;
92 }
93 virtual const nsAttrName* GetAttrNameAt(uint32_t aIndex) const MOZ_OVERRIDE
94 {
95 return nullptr;
96 }
97 virtual uint32_t GetAttrCount() const MOZ_OVERRIDE
98 {
99 return 0;
100 }
101
102 virtual bool IsNodeOfType(uint32_t aFlags) const MOZ_OVERRIDE;
103
104 virtual nsIDOMNode* AsDOMNode() MOZ_OVERRIDE { return this; }
105
106 virtual nsIAtom* DoGetID() const MOZ_OVERRIDE;
107 virtual nsIAtom *GetIDAttributeName() const MOZ_OVERRIDE;
108
109 virtual nsresult BindToTree(nsIDocument* aDocument, nsIContent* aParent,
110 nsIContent* aBindingParent,
111 bool aCompileEventHandlers) MOZ_OVERRIDE
112 {
113 NS_ASSERTION(false, "Trying to bind a fragment to a tree");
114 return NS_ERROR_NOT_IMPLEMENTED;
115 }
116
117 virtual void UnbindFromTree(bool aDeep, bool aNullParent) MOZ_OVERRIDE
118 {
119 NS_ASSERTION(false, "Trying to unbind a fragment from a tree");
120 return;
121 }
122
123 virtual Element* GetNameSpaceElement()
124 {
125 return nullptr;
126 }
127
128 nsIContent* GetHost() const
129 {
130 return mHost;
131 }
132
133 void SetHost(nsIContent* aHost)
134 {
135 mHost = aHost;
136 }
137
138 static already_AddRefed<DocumentFragment>
139 Constructor(const GlobalObject& aGlobal, ErrorResult& aRv);
140
141 #ifdef DEBUG
142 virtual void List(FILE* out, int32_t aIndent) const MOZ_OVERRIDE;
143 virtual void DumpContent(FILE* out, int32_t aIndent, bool aDumpAll) const MOZ_OVERRIDE;
144 #endif
145
146 protected:
147 nsresult Clone(nsINodeInfo *aNodeInfo, nsINode **aResult) const MOZ_OVERRIDE;
148 nsIContent* mHost; // Weak
149 };
150
151 } // namespace dom
152 } // namespace mozilla
153
154
155 #endif // mozilla_dom_DocumentFragment_h__

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