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"),
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36 : * ***** END LICENSE BLOCK ***** */
37 :
38 : #include "mozilla/Util.h"
39 :
40 : #include "nsIDOMHTMLBRElement.h"
41 : #include "nsIDOMEventTarget.h"
42 : #include "nsGenericHTMLElement.h"
43 : #include "nsGkAtoms.h"
44 : #include "nsStyleConsts.h"
45 : #include "nsMappedAttributes.h"
46 : #include "nsRuleData.h"
47 :
48 : using namespace mozilla;
49 :
50 : class nsHTMLBRElement : public nsGenericHTMLElement,
51 : public nsIDOMHTMLBRElement
52 : {
53 : public:
54 : nsHTMLBRElement(already_AddRefed<nsINodeInfo> aNodeInfo);
55 : virtual ~nsHTMLBRElement();
56 :
57 : // nsISupports
58 : NS_DECL_ISUPPORTS_INHERITED
59 :
60 : // nsIDOMNode
61 0 : NS_FORWARD_NSIDOMNODE(nsGenericHTMLElement::)
62 :
63 : // nsIDOMElement
64 0 : NS_FORWARD_NSIDOMELEMENT(nsGenericHTMLElement::)
65 :
66 : // nsIDOMHTMLElement
67 0 : NS_FORWARD_NSIDOMHTMLELEMENT(nsGenericHTMLElement::)
68 :
69 : // nsIDOMHTMLBRElement
70 : NS_DECL_NSIDOMHTMLBRELEMENT
71 :
72 : virtual bool ParseAttribute(PRInt32 aNamespaceID,
73 : nsIAtom* aAttribute,
74 : const nsAString& aValue,
75 : nsAttrValue& aResult);
76 : NS_IMETHOD_(bool) IsAttributeMapped(const nsIAtom* aAttribute) const;
77 : virtual nsMapRuleToAttributesFunc GetAttributeMappingFunction() const;
78 : virtual nsresult Clone(nsINodeInfo *aNodeInfo, nsINode **aResult) const;
79 : virtual nsXPCClassInfo* GetClassInfo();
80 : };
81 :
82 :
83 84 : NS_IMPL_NS_NEW_HTML_ELEMENT(BR)
84 :
85 :
86 42 : nsHTMLBRElement::nsHTMLBRElement(already_AddRefed<nsINodeInfo> aNodeInfo)
87 42 : : nsGenericHTMLElement(aNodeInfo)
88 : {
89 42 : }
90 :
91 84 : nsHTMLBRElement::~nsHTMLBRElement()
92 : {
93 168 : }
94 :
95 378 : NS_IMPL_ADDREF_INHERITED(nsHTMLBRElement, nsGenericElement)
96 378 : NS_IMPL_RELEASE_INHERITED(nsHTMLBRElement, nsGenericElement)
97 :
98 :
99 0 : DOMCI_NODE_DATA(HTMLBRElement, nsHTMLBRElement)
100 :
101 : // QueryInterface implementation for nsHTMLBRElement
102 1146 : NS_INTERFACE_TABLE_HEAD(nsHTMLBRElement)
103 1146 : NS_HTML_CONTENT_INTERFACE_TABLE1(nsHTMLBRElement, nsIDOMHTMLBRElement)
104 1146 : NS_HTML_CONTENT_INTERFACE_TABLE_TO_MAP_SEGUE(nsHTMLBRElement,
105 : nsGenericHTMLElement)
106 0 : NS_HTML_CONTENT_INTERFACE_TABLE_TAIL_CLASSINFO(HTMLBRElement)
107 :
108 :
109 0 : NS_IMPL_ELEMENT_CLONE(nsHTMLBRElement)
110 :
111 :
112 0 : NS_IMPL_STRING_ATTR(nsHTMLBRElement, Clear, clear)
113 :
114 : static const nsAttrValue::EnumTable kClearTable[] = {
115 : { "left", NS_STYLE_CLEAR_LEFT },
116 : { "right", NS_STYLE_CLEAR_RIGHT },
117 : { "all", NS_STYLE_CLEAR_LEFT_AND_RIGHT },
118 : { "both", NS_STYLE_CLEAR_LEFT_AND_RIGHT },
119 : { 0 }
120 : };
121 :
122 : bool
123 0 : nsHTMLBRElement::ParseAttribute(PRInt32 aNamespaceID,
124 : nsIAtom* aAttribute,
125 : const nsAString& aValue,
126 : nsAttrValue& aResult)
127 : {
128 0 : if (aAttribute == nsGkAtoms::clear && aNamespaceID == kNameSpaceID_None) {
129 0 : return aResult.ParseEnumValue(aValue, kClearTable, false);
130 : }
131 :
132 : return nsGenericHTMLElement::ParseAttribute(aNamespaceID, aAttribute, aValue,
133 0 : aResult);
134 : }
135 :
136 : static void
137 0 : MapAttributesIntoRule(const nsMappedAttributes* aAttributes,
138 : nsRuleData* aData)
139 : {
140 0 : if (aData->mSIDs & NS_STYLE_INHERIT_BIT(Display)) {
141 0 : nsCSSValue* clear = aData->ValueForClear();
142 0 : if (clear->GetUnit() == eCSSUnit_Null) {
143 0 : const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::clear);
144 0 : if (value && value->Type() == nsAttrValue::eEnum)
145 0 : clear->SetIntValue(value->GetEnumValue(), eCSSUnit_Enumerated);
146 : }
147 : }
148 :
149 0 : nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aData);
150 0 : }
151 :
152 : NS_IMETHODIMP_(bool)
153 0 : nsHTMLBRElement::IsAttributeMapped(const nsIAtom* aAttribute) const
154 : {
155 : static const MappedAttributeEntry attributes[] = {
156 : { &nsGkAtoms::clear },
157 : { nsnull }
158 : };
159 :
160 : static const MappedAttributeEntry* const map[] = {
161 : attributes,
162 : sCommonAttributeMap,
163 : };
164 :
165 0 : return FindAttributeDependence(aAttribute, map);
166 : }
167 :
168 : nsMapRuleToAttributesFunc
169 0 : nsHTMLBRElement::GetAttributeMappingFunction() const
170 : {
171 0 : return &MapAttributesIntoRule;
172 : }
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