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 Communicator client code.
16 : *
17 : * The Initial Developer of the Original Code is
18 : * Netscape Communications Corporation.
19 : * Portions created by the Initial Developer are Copyright (C) 1998
20 : * the Initial Developer. All Rights Reserved.
21 : *
22 : * Contributor(s):
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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29 : * under the terms of either the GPL or the LGPL, and not to allow others to
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31 : * decision by deleting the provisions above and replace them with the notice
32 : * and other provisions required by the GPL or the LGPL. If you do not delete
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 : #ifndef nsHTMLFieldSetElement_h___
39 : #define nsHTMLFieldSetElement_h___
40 :
41 : #include "nsGenericHTMLElement.h"
42 : #include "nsIDOMHTMLFieldSetElement.h"
43 : #include "nsIConstraintValidation.h"
44 :
45 :
46 : class nsHTMLFieldSetElement : public nsGenericHTMLFormElement,
47 : public nsIDOMHTMLFieldSetElement,
48 : public nsIConstraintValidation
49 : {
50 : public:
51 : using nsIConstraintValidation::GetValidationMessage;
52 :
53 : nsHTMLFieldSetElement(already_AddRefed<nsINodeInfo> aNodeInfo);
54 : virtual ~nsHTMLFieldSetElement();
55 :
56 : /** Typesafe, non-refcounting cast from nsIContent. Cheaper than QI. **/
57 5 : static nsHTMLFieldSetElement* FromContent(nsIContent* aContent)
58 : {
59 5 : if (!aContent || !aContent->IsHTML(nsGkAtoms::fieldset)) {
60 5 : return nsnull;
61 : }
62 0 : return static_cast<nsHTMLFieldSetElement*>(aContent);
63 : }
64 :
65 : // nsISupports
66 : NS_DECL_ISUPPORTS_INHERITED
67 :
68 : // nsIDOMNode
69 0 : NS_FORWARD_NSIDOMNODE(nsGenericHTMLFormElement::)
70 :
71 : // nsIDOMElement
72 0 : NS_FORWARD_NSIDOMELEMENT(nsGenericHTMLFormElement::)
73 :
74 : // nsIDOMHTMLElement
75 0 : NS_FORWARD_NSIDOMHTMLELEMENT(nsGenericHTMLFormElement::)
76 :
77 : // nsIDOMHTMLFieldSetElement
78 : NS_DECL_NSIDOMHTMLFIELDSETELEMENT
79 :
80 : // nsIContent
81 : virtual nsresult PreHandleEvent(nsEventChainPreVisitor& aVisitor);
82 : virtual nsresult AfterSetAttr(PRInt32 aNameSpaceID, nsIAtom* aName,
83 : const nsAttrValue* aValue, bool aNotify);
84 :
85 : virtual nsresult InsertChildAt(nsIContent* aChild, PRUint32 aIndex,
86 : bool aNotify);
87 : virtual nsresult RemoveChildAt(PRUint32 aIndex, bool aNotify);
88 :
89 : // nsIFormControl
90 0 : NS_IMETHOD_(PRUint32) GetType() const { return NS_FORM_FIELDSET; }
91 : NS_IMETHOD Reset();
92 : NS_IMETHOD SubmitNamesValues(nsFormSubmission* aFormSubmission);
93 : virtual nsresult Clone(nsINodeInfo *aNodeInfo, nsINode **aResult) const;
94 : virtual nsXPCClassInfo* GetClassInfo();
95 :
96 0 : const nsIContent* GetFirstLegend() const { return mFirstLegend; }
97 :
98 0 : void AddElement(nsGenericHTMLFormElement* aElement) {
99 0 : mDependentElements.AppendElement(aElement);
100 0 : }
101 :
102 0 : void RemoveElement(nsGenericHTMLFormElement* aElement) {
103 0 : mDependentElements.RemoveElement(aElement);
104 0 : }
105 :
106 1464 : NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(nsHTMLFieldSetElement,
107 : nsGenericHTMLFormElement)
108 : private:
109 :
110 : /**
111 : * Notify all elements (in mElements) that the first legend of the fieldset
112 : * has now changed.
113 : */
114 : void NotifyElementsForFirstLegendChange(bool aNotify);
115 :
116 : // This function is used to generate the nsContentList (listed form elements).
117 : static bool MatchListedElements(nsIContent* aContent, PRInt32 aNamespaceID,
118 : nsIAtom* aAtom, void* aData);
119 :
120 : // listed form controls elements.
121 : nsRefPtr<nsContentList> mElements;
122 :
123 : // List of elements which have this fieldset as first fieldset ancestor.
124 : nsTArray<nsGenericHTMLFormElement*> mDependentElements;
125 :
126 : nsIContent* mFirstLegend;
127 : };
128 :
129 : #endif /* nsHTMLFieldSetElement_h___ */
130 :
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