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37 :
38 : /*
39 : * Implementation of DOM Core's nsIDOMDocumentFragment.
40 : */
41 :
42 : #include "nsISupports.h"
43 : #include "nsIContent.h"
44 : #include "nsIDOMDocumentFragment.h"
45 : #include "nsGenericElement.h"
46 : #include "nsINameSpaceManager.h"
47 : #include "nsINodeInfo.h"
48 : #include "nsNodeInfoManager.h"
49 : #include "nsIDocument.h"
50 : #include "nsIDOMDocument.h"
51 : #include "nsIDOMAttr.h"
52 : #include "nsDOMError.h"
53 : #include "nsGkAtoms.h"
54 : #include "nsDOMString.h"
55 : #include "nsIDOMUserDataHandler.h"
56 :
57 : class nsDocumentFragment : public nsGenericElement,
58 : public nsIDOMDocumentFragment
59 : {
60 : public:
61 : // nsISupports
62 : NS_DECL_ISUPPORTS_INHERITED
63 :
64 : // interface nsIDOMNode
65 171 : NS_FORWARD_NSIDOMNODE(nsGenericElement::)
66 :
67 : // interface nsIDOMDocumentFragment
68 : // NS_DECL_NSIDOCUMENTFRAGMENT Empty
69 :
70 : nsDocumentFragment(already_AddRefed<nsINodeInfo> aNodeInfo);
71 136 : virtual ~nsDocumentFragment()
72 68 : {
73 272 : }
74 :
75 : // nsIContent
76 : nsresult SetAttr(PRInt32 aNameSpaceID, nsIAtom* aName,
77 : const nsAString& aValue, bool aNotify)
78 : {
79 : return SetAttr(aNameSpaceID, aName, nsnull, aValue, aNotify);
80 : }
81 0 : virtual nsresult SetAttr(PRInt32 aNameSpaceID, nsIAtom* aName,
82 : nsIAtom* aPrefix, const nsAString& aValue,
83 : bool aNotify)
84 : {
85 0 : return NS_OK;
86 : }
87 0 : virtual bool GetAttr(PRInt32 aNameSpaceID, nsIAtom* aName,
88 : nsAString& aResult) const
89 : {
90 0 : return false;
91 : }
92 0 : virtual nsresult UnsetAttr(PRInt32 aNameSpaceID, nsIAtom* aAttribute,
93 : bool aNotify)
94 : {
95 0 : return NS_OK;
96 : }
97 0 : virtual const nsAttrName* GetAttrNameAt(PRUint32 aIndex) const
98 : {
99 0 : return nsnull;
100 : }
101 :
102 : virtual bool IsNodeOfType(PRUint32 aFlags) const;
103 :
104 : virtual nsXPCClassInfo* GetClassInfo();
105 :
106 : virtual nsIAtom* DoGetID() const;
107 : virtual nsIAtom *GetIDAttributeName() const;
108 :
109 : protected:
110 : nsresult Clone(nsINodeInfo *aNodeInfo, nsINode **aResult) const;
111 : };
112 :
113 : nsresult
114 68 : NS_NewDocumentFragment(nsIDOMDocumentFragment** aInstancePtrResult,
115 : nsNodeInfoManager *aNodeInfoManager)
116 : {
117 68 : NS_ENSURE_ARG(aNodeInfoManager);
118 :
119 136 : nsCOMPtr<nsINodeInfo> nodeInfo;
120 : nodeInfo = aNodeInfoManager->GetNodeInfo(nsGkAtoms::documentFragmentNodeName,
121 : nsnull, kNameSpaceID_None,
122 68 : nsIDOMNode::DOCUMENT_FRAGMENT_NODE);
123 68 : NS_ENSURE_TRUE(nodeInfo, NS_ERROR_OUT_OF_MEMORY);
124 :
125 136 : nsDocumentFragment *it = new nsDocumentFragment(nodeInfo.forget());
126 68 : if (!it) {
127 0 : return NS_ERROR_OUT_OF_MEMORY;
128 : }
129 :
130 68 : NS_ADDREF(*aInstancePtrResult = it);
131 :
132 68 : return NS_OK;
133 : }
134 :
135 68 : nsDocumentFragment::nsDocumentFragment(already_AddRefed<nsINodeInfo> aNodeInfo)
136 68 : : nsGenericElement(aNodeInfo)
137 : {
138 68 : ClearIsElement();
139 68 : }
140 :
141 : bool
142 1977 : nsDocumentFragment::IsNodeOfType(PRUint32 aFlags) const
143 : {
144 1977 : return !(aFlags & ~(eCONTENT | eDOCUMENT_FRAGMENT));
145 : }
146 :
147 : nsIAtom*
148 0 : nsDocumentFragment::DoGetID() const
149 : {
150 0 : return nsnull;
151 : }
152 :
153 : nsIAtom*
154 0 : nsDocumentFragment::GetIDAttributeName() const
155 : {
156 0 : return nsnull;
157 : }
158 :
159 67 : DOMCI_NODE_DATA(DocumentFragment, nsDocumentFragment)
160 :
161 : // QueryInterface implementation for nsDocumentFragment
162 3797 : NS_INTERFACE_TABLE_HEAD(nsDocumentFragment)
163 3797 : NS_NODE_INTERFACE_TABLE2(nsDocumentFragment, nsIDOMNode,
164 : nsIDOMDocumentFragment)
165 2391 : NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(DocumentFragment)
166 2390 : NS_INTERFACE_MAP_END_INHERITING(nsGenericElement)
167 :
168 :
169 2305 : NS_IMPL_ADDREF_INHERITED(nsDocumentFragment, nsGenericElement)
170 2305 : NS_IMPL_RELEASE_INHERITED(nsDocumentFragment, nsGenericElement)
171 :
172 0 : NS_IMPL_ELEMENT_CLONE(nsDocumentFragment)
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