1 /**
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
3 * (C) 1999 Antti Koivisto (koivisto@kde.org)
4 * (C) 2001 Dirk Mueller (mueller@kde.org)
5 * Copyright (C) 2003 Apple Computer, Inc.
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Library General Public License for more details.
16 *
17 * You should have received a copy of the GNU Library General Public License
18 * along with this library; see the file COPYING.LIB. If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 * Boston, MA 02110-1301, USA.
21 */
22 #include "config.h"
23 #include "HTMLTitleElement.h"
24
25 #include "Document.h"
26 #include "HTMLNames.h"
27 #include "Text.h"
28
29 namespace WebCore {
30
31 using namespace HTMLNames;
32
HTMLTitleElement(const QualifiedName & tagName,Document * doc)33 HTMLTitleElement::HTMLTitleElement(const QualifiedName& tagName, Document* doc)
34 : HTMLElement(tagName, doc)
35 , m_title("")
36 {
37 ASSERT(hasTagName(titleTag));
38 }
39
~HTMLTitleElement()40 HTMLTitleElement::~HTMLTitleElement()
41 {
42 }
43
insertedIntoDocument()44 void HTMLTitleElement::insertedIntoDocument()
45 {
46 HTMLElement::insertedIntoDocument();
47 document()->setTitle(m_title, this);
48 }
49
removedFromDocument()50 void HTMLTitleElement::removedFromDocument()
51 {
52 HTMLElement::removedFromDocument();
53 document()->removeTitle(this);
54 }
55
childrenChanged(bool changedByParser,Node * beforeChange,Node * afterChange,int childCountDelta)56 void HTMLTitleElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta)
57 {
58 m_title = "";
59 for (Node* c = firstChild(); c != 0; c = c->nextSibling())
60 if (c->nodeType() == TEXT_NODE || c->nodeType() == CDATA_SECTION_NODE)
61 m_title += c->nodeValue();
62 if (inDocument())
63 document()->setTitle(m_title, this);
64 HTMLElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta);
65 }
66
text() const67 String HTMLTitleElement::text() const
68 {
69 String val = "";
70
71 for (Node *n = firstChild(); n; n = n->nextSibling()) {
72 if (n->isTextNode())
73 val += static_cast<Text*>(n)->data();
74 }
75
76 return val;
77 }
78
setText(const String & value)79 void HTMLTitleElement::setText(const String &value)
80 {
81 ExceptionCode ec = 0;
82 int numChildren = childNodeCount();
83
84 if (numChildren == 1 && firstChild()->isTextNode())
85 static_cast<Text*>(firstChild())->setData(value, ec);
86 else {
87 if (numChildren > 0)
88 removeChildren();
89
90 appendChild(document()->createTextNode(value.impl()), ec);
91 }
92 }
93
94 }
95