1 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 : /* ***** BEGIN LICENSE BLOCK *****
3 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
4 : *
5 : * The contents of this file are subject to the Mozilla Public License Version
6 : * 1.1 (the "License"); you may not use this file except in compliance with
7 : * the License. You may obtain a copy of the License at
8 : * http://www.mozilla.org/MPL/
9 : *
10 : * Software distributed under the License is distributed on an "AS IS" basis,
11 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 : * for the specific language governing rights and limitations under the
13 : * License.
14 : *
15 : * The Original Code is mozilla.org code.
16 : *
17 : * The Initial Developer of the Original Code is Mozilla Foundation
18 : * Portions created by the Initial Developer are Copyright (C) 2010
19 : * the Initial Developer. All Rights Reserved.
20 : *
21 : * Contributor(s):
22 : * Mounir Lamouri <mounir.lamouri@mozilla.com> (original author)
23 : *
24 : * Alternatively, the contents of this file may be used under the terms of
25 : * either of the GNU General Public License Version 2 or later (the "GPL"),
26 : * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
27 : * in which case the provisions of the GPL or the LGPL are applicable instead
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33 : * the provisions above, a recipient may use your version of this file under
34 : * the terms of any one of the MPL, the GPL or the LGPL.
35 : *
36 : * ***** END LICENSE BLOCK ***** */
37 :
38 : #include "nsIDOMHTMLDataListElement.h"
39 : #include "nsGenericHTMLElement.h"
40 : #include "nsIDOMEventTarget.h"
41 : #include "nsGkAtoms.h"
42 : #include "nsIDOMHTMLOptionElement.h"
43 :
44 :
45 : class nsHTMLDataListElement : public nsGenericHTMLElement,
46 : public nsIDOMHTMLDataListElement
47 : {
48 : public:
49 : nsHTMLDataListElement(already_AddRefed<nsINodeInfo> aNodeInfo);
50 : virtual ~nsHTMLDataListElement();
51 :
52 : // nsISupports
53 : NS_DECL_ISUPPORTS_INHERITED
54 :
55 : // nsIDOMNode
56 0 : NS_FORWARD_NSIDOMNODE(nsGenericHTMLElement::)
57 :
58 : // nsIDOMElement
59 0 : NS_FORWARD_NSIDOMELEMENT(nsGenericHTMLElement::)
60 :
61 : // nsIDOMHTMLElement
62 0 : NS_FORWARD_NSIDOMHTMLELEMENT(nsGenericHTMLElement::)
63 :
64 : // nsIDOMHTMLDataListElement
65 : NS_DECL_NSIDOMHTMLDATALISTELEMENT
66 :
67 : virtual nsresult Clone(nsINodeInfo *aNodeInfo, nsINode **aResult) const;
68 :
69 : // This function is used to generate the nsContentList (option elements).
70 : static bool MatchOptions(nsIContent* aContent, PRInt32 aNamespaceID,
71 : nsIAtom* aAtom, void* aData);
72 :
73 1464 : NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(nsHTMLDataListElement,
74 : nsGenericHTMLElement)
75 :
76 : virtual nsXPCClassInfo* GetClassInfo();
77 :
78 : protected:
79 :
80 : // <option>'s list inside the datalist element.
81 : nsRefPtr<nsContentList> mOptions;
82 : };
83 :
84 :
85 0 : NS_IMPL_NS_NEW_HTML_ELEMENT(DataList)
86 :
87 :
88 0 : nsHTMLDataListElement::nsHTMLDataListElement(already_AddRefed<nsINodeInfo> aNodeInfo)
89 0 : : nsGenericHTMLElement(aNodeInfo)
90 : {
91 0 : }
92 :
93 0 : nsHTMLDataListElement::~nsHTMLDataListElement()
94 : {
95 0 : }
96 :
97 :
98 0 : NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(nsHTMLDataListElement,
99 : nsGenericHTMLElement)
100 0 : NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mOptions)
101 0 : NS_IMPL_CYCLE_COLLECTION_UNLINK_END
102 :
103 1464 : NS_IMPL_CYCLE_COLLECTION_CLASS(nsHTMLDataListElement)
104 0 : NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(nsHTMLDataListElement,
105 : nsGenericHTMLElement)
106 0 : NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR_AMBIGUOUS(mOptions, nsIDOMNodeList)
107 0 : NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
108 :
109 0 : NS_IMPL_ADDREF_INHERITED(nsHTMLDataListElement, nsGenericElement)
110 0 : NS_IMPL_RELEASE_INHERITED(nsHTMLDataListElement, nsGenericElement)
111 :
112 0 : DOMCI_NODE_DATA(HTMLDataListElement, nsHTMLDataListElement)
113 :
114 0 : NS_INTERFACE_TABLE_HEAD_CYCLE_COLLECTION_INHERITED(nsHTMLDataListElement)
115 0 : NS_HTML_CONTENT_INTERFACE_TABLE1(nsHTMLDataListElement, nsIDOMHTMLDataListElement)
116 0 : NS_HTML_CONTENT_INTERFACE_TABLE_TO_MAP_SEGUE(nsHTMLDataListElement,
117 : nsGenericHTMLElement)
118 0 : NS_HTML_CONTENT_INTERFACE_TABLE_TAIL_CLASSINFO(HTMLDataListElement)
119 :
120 :
121 0 : NS_IMPL_ELEMENT_CLONE(nsHTMLDataListElement)
122 :
123 : bool
124 0 : nsHTMLDataListElement::MatchOptions(nsIContent* aContent, PRInt32 aNamespaceID,
125 : nsIAtom* aAtom, void* aData)
126 : {
127 0 : return aContent->NodeInfo()->Equals(nsGkAtoms::option, kNameSpaceID_XHTML) &&
128 0 : !aContent->HasAttr(kNameSpaceID_None, nsGkAtoms::disabled);
129 : }
130 :
131 : NS_IMETHODIMP
132 0 : nsHTMLDataListElement::GetOptions(nsIDOMHTMLCollection** aOptions)
133 : {
134 0 : if (!mOptions) {
135 0 : mOptions = new nsContentList(this, MatchOptions, nsnull, nsnull, true);
136 : }
137 :
138 0 : NS_ADDREF(*aOptions = mOptions);
139 :
140 0 : return NS_OK;
141 4392 : }
142 :
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