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 : * Ryan Jones <sciguyryan@gmail.com>
24 : *
25 : * Alternatively, the contents of this file may be used under the terms of
26 : * either of the GNU General Public License Version 2 or later (the "GPL"),
27 : * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
28 : * in which case the provisions of the GPL or the LGPL are applicable instead
29 : * of those above. If you wish to allow use of your version of this file only
30 : * under the terms of either the GPL or the LGPL, and not to allow others to
31 : * use your version of this file under the terms of the MPL, indicate your
32 : * decision by deleting the provisions above and replace them with the notice
33 : * and other provisions required by the GPL or the LGPL. If you do not delete
34 : * the provisions above, a recipient may use your version of this file under
35 : * the terms of any one of the MPL, the GPL or the LGPL.
36 : *
37 : * ***** END LICENSE BLOCK ***** */
38 : #include "nsIDOMHTMLTitleElement.h"
39 : #include "nsIDOMEventTarget.h"
40 : #include "nsGenericHTMLElement.h"
41 : #include "nsStyleConsts.h"
42 : #include "nsIDocument.h"
43 : #include "nsIDOMHTMLDocument.h"
44 : #include "nsContentUtils.h"
45 :
46 : class nsHTMLTitleElement : public nsGenericHTMLElement,
47 : public nsIDOMHTMLTitleElement,
48 : public nsStubMutationObserver
49 : {
50 : public:
51 : using nsGenericElement::GetText;
52 : using nsGenericElement::SetText;
53 :
54 : nsHTMLTitleElement(already_AddRefed<nsINodeInfo> aNodeInfo);
55 : virtual ~nsHTMLTitleElement();
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 : // nsIDOMHTMLTitleElement
70 : NS_DECL_NSIDOMHTMLTITLEELEMENT
71 :
72 : // nsIMutationObserver
73 : NS_DECL_NSIMUTATIONOBSERVER_CHARACTERDATACHANGED
74 : NS_DECL_NSIMUTATIONOBSERVER_CONTENTAPPENDED
75 : NS_DECL_NSIMUTATIONOBSERVER_CONTENTINSERTED
76 : NS_DECL_NSIMUTATIONOBSERVER_CONTENTREMOVED
77 :
78 : virtual nsresult Clone(nsINodeInfo *aNodeInfo, nsINode **aResult) const;
79 :
80 : virtual nsresult BindToTree(nsIDocument *aDocument, nsIContent *aParent,
81 : nsIContent *aBindingParent,
82 : bool aCompileEventHandlers);
83 :
84 : virtual void UnbindFromTree(bool aDeep = true,
85 : bool aNullParent = true);
86 :
87 : virtual void DoneAddingChildren(bool aHaveNotified);
88 :
89 : virtual nsXPCClassInfo* GetClassInfo();
90 : private:
91 : void SendTitleChangeEvent(bool aBound);
92 : };
93 :
94 :
95 0 : NS_IMPL_NS_NEW_HTML_ELEMENT(Title)
96 :
97 :
98 0 : nsHTMLTitleElement::nsHTMLTitleElement(already_AddRefed<nsINodeInfo> aNodeInfo)
99 0 : : nsGenericHTMLElement(aNodeInfo)
100 : {
101 0 : AddMutationObserver(this);
102 0 : }
103 :
104 0 : nsHTMLTitleElement::~nsHTMLTitleElement()
105 : {
106 0 : }
107 :
108 :
109 0 : NS_IMPL_ADDREF_INHERITED(nsHTMLTitleElement, nsGenericElement)
110 0 : NS_IMPL_RELEASE_INHERITED(nsHTMLTitleElement, nsGenericElement)
111 :
112 :
113 0 : DOMCI_NODE_DATA(HTMLTitleElement, nsHTMLTitleElement)
114 :
115 : // QueryInterface implementation for nsHTMLTitleElement
116 0 : NS_INTERFACE_TABLE_HEAD(nsHTMLTitleElement)
117 0 : NS_HTML_CONTENT_INTERFACE_TABLE2(nsHTMLTitleElement,
118 : nsIDOMHTMLTitleElement,
119 : nsIMutationObserver)
120 0 : NS_HTML_CONTENT_INTERFACE_TABLE_TO_MAP_SEGUE(nsHTMLTitleElement,
121 : nsGenericHTMLElement)
122 0 : NS_HTML_CONTENT_INTERFACE_TABLE_TAIL_CLASSINFO(HTMLTitleElement)
123 :
124 :
125 0 : NS_IMPL_ELEMENT_CLONE(nsHTMLTitleElement)
126 :
127 :
128 : NS_IMETHODIMP
129 0 : nsHTMLTitleElement::GetText(nsAString& aTitle)
130 : {
131 0 : nsContentUtils::GetNodeTextContent(this, false, aTitle);
132 0 : return NS_OK;
133 : }
134 :
135 : NS_IMETHODIMP
136 0 : nsHTMLTitleElement::SetText(const nsAString& aTitle)
137 : {
138 0 : return nsContentUtils::SetNodeTextContent(this, aTitle, true);
139 : }
140 :
141 : void
142 0 : nsHTMLTitleElement::CharacterDataChanged(nsIDocument *aDocument,
143 : nsIContent *aContent,
144 : CharacterDataChangeInfo *aInfo)
145 : {
146 0 : SendTitleChangeEvent(false);
147 0 : }
148 :
149 : void
150 0 : nsHTMLTitleElement::ContentAppended(nsIDocument *aDocument,
151 : nsIContent *aContainer,
152 : nsIContent *aFirstNewContent,
153 : PRInt32 aNewIndexInContainer)
154 : {
155 0 : SendTitleChangeEvent(false);
156 0 : }
157 :
158 : void
159 0 : nsHTMLTitleElement::ContentInserted(nsIDocument *aDocument,
160 : nsIContent *aContainer,
161 : nsIContent *aChild,
162 : PRInt32 aIndexInContainer)
163 : {
164 0 : SendTitleChangeEvent(false);
165 0 : }
166 :
167 : void
168 0 : nsHTMLTitleElement::ContentRemoved(nsIDocument *aDocument,
169 : nsIContent *aContainer,
170 : nsIContent *aChild,
171 : PRInt32 aIndexInContainer,
172 : nsIContent *aPreviousSibling)
173 : {
174 0 : SendTitleChangeEvent(false);
175 0 : }
176 :
177 : nsresult
178 0 : nsHTMLTitleElement::BindToTree(nsIDocument *aDocument,
179 : nsIContent *aParent,
180 : nsIContent *aBindingParent,
181 : bool aCompileEventHandlers)
182 : {
183 : // Let this fall through.
184 : nsresult rv = nsGenericHTMLElement::BindToTree(aDocument, aParent,
185 : aBindingParent,
186 0 : aCompileEventHandlers);
187 0 : NS_ENSURE_SUCCESS(rv, rv);
188 :
189 0 : SendTitleChangeEvent(true);
190 :
191 0 : return NS_OK;
192 : }
193 :
194 : void
195 0 : nsHTMLTitleElement::UnbindFromTree(bool aDeep, bool aNullParent)
196 : {
197 0 : SendTitleChangeEvent(false);
198 :
199 : // Let this fall through.
200 0 : nsGenericHTMLElement::UnbindFromTree(aDeep, aNullParent);
201 0 : }
202 :
203 : void
204 0 : nsHTMLTitleElement::DoneAddingChildren(bool aHaveNotified)
205 : {
206 0 : if (!aHaveNotified) {
207 0 : SendTitleChangeEvent(false);
208 : }
209 0 : }
210 :
211 : void
212 0 : nsHTMLTitleElement::SendTitleChangeEvent(bool aBound)
213 : {
214 0 : nsIDocument* doc = GetCurrentDoc();
215 0 : if (doc) {
216 0 : doc->NotifyPossibleTitleChange(aBound);
217 : }
218 0 : }
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