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1 /*
2  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
3  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
4  *           (C) 2000 Simon Hausmann (hausmann@kde.org)
5  *           (C) 2001 Dirk Mueller (mueller@kde.org)
6  * Copyright (C) 2004, 2006, 2009, 2010 Apple Inc. All rights reserved.
7  *
8  * This library is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Library General Public
10  * License as published by the Free Software Foundation; either
11  * version 2 of the License, or (at your option) any later version.
12  *
13  * This library is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16  * Library General Public License for more details.
17  *
18  * You should have received a copy of the GNU Library General Public License
19  * along with this library; see the file COPYING.LIB.  If not, write to
20  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
21  * Boston, MA 02110-1301, USA.
22  */
23 
24 #include "config.h"
25 #include "HTMLFrameSetElement.h"
26 
27 #include "Attribute.h"
28 #include "CSSPropertyNames.h"
29 #include "Document.h"
30 #include "Event.h"
31 #include "EventNames.h"
32 #include "Frame.h"
33 #include "FrameLoaderClient.h"
34 #include "HTMLNames.h"
35 #include "Length.h"
36 #include "MouseEvent.h"
37 #include "RenderFrameSet.h"
38 #include "ScriptEventListener.h"
39 #include "Text.h"
40 
41 namespace WebCore {
42 
43 using namespace HTMLNames;
44 
HTMLFrameSetElement(const QualifiedName & tagName,Document * document)45 HTMLFrameSetElement::HTMLFrameSetElement(const QualifiedName& tagName, Document* document)
46     : HTMLElement(tagName, document)
47     , m_totalRows(1)
48     , m_totalCols(1)
49     , m_border(6)
50     , m_borderSet(false)
51     , m_borderColorSet(false)
52     , m_frameborder(true)
53     , m_frameborderSet(false)
54     , m_noresize(false)
55 {
56     ASSERT(hasTagName(framesetTag));
57 }
58 
create(const QualifiedName & tagName,Document * document)59 PassRefPtr<HTMLFrameSetElement> HTMLFrameSetElement::create(const QualifiedName& tagName, Document* document)
60 {
61     return adoptRef(new HTMLFrameSetElement(tagName, document));
62 }
63 
mapToEntry(const QualifiedName & attrName,MappedAttributeEntry & result) const64 bool HTMLFrameSetElement::mapToEntry(const QualifiedName& attrName, MappedAttributeEntry& result) const
65 {
66     if (attrName == bordercolorAttr) {
67         result = eUniversal;
68         return true;
69     }
70 
71     return HTMLElement::mapToEntry(attrName, result);
72 }
73 
parseMappedAttribute(Attribute * attr)74 void HTMLFrameSetElement::parseMappedAttribute(Attribute* attr)
75 {
76     if (attr->name() == rowsAttr) {
77         if (!attr->isNull()) {
78             m_rowLengths = newLengthArray(attr->value().string(), m_totalRows);
79             setNeedsStyleRecalc();
80         }
81     } else if (attr->name() == colsAttr) {
82         if (!attr->isNull()) {
83             m_colLengths = newLengthArray(attr->value().string(), m_totalCols);
84             setNeedsStyleRecalc();
85         }
86     } else if (attr->name() == frameborderAttr) {
87         if (!attr->isNull()) {
88             // false or "no" or "0"..
89             if (attr->value().toInt() == 0) {
90                 m_frameborder = false;
91                 m_border = 0;
92             }
93             m_frameborderSet = true;
94         } else {
95             m_frameborder = false;
96             m_frameborderSet = false;
97         }
98     } else if (attr->name() == noresizeAttr) {
99         m_noresize = true;
100     } else if (attr->name() == borderAttr) {
101         if (!attr->isNull()) {
102             m_border = attr->value().toInt();
103             if (!m_border)
104                 m_frameborder = false;
105             m_borderSet = true;
106         } else
107             m_borderSet = false;
108     } else if (attr->name() == bordercolorAttr) {
109         m_borderColorSet = attr->decl();
110         if (!attr->decl() && !attr->isEmpty()) {
111             addCSSColor(attr, CSSPropertyBorderColor, attr->value());
112             m_borderColorSet = true;
113         }
114     } else if (attr->name() == onloadAttr)
115         document()->setWindowAttributeEventListener(eventNames().loadEvent, createAttributeEventListener(document()->frame(), attr));
116     else if (attr->name() == onbeforeunloadAttr)
117         document()->setWindowAttributeEventListener(eventNames().beforeunloadEvent, createAttributeEventListener(document()->frame(), attr));
118     else if (attr->name() == onunloadAttr)
119         document()->setWindowAttributeEventListener(eventNames().unloadEvent, createAttributeEventListener(document()->frame(), attr));
120     else if (attr->name() == onblurAttr)
121         document()->setWindowAttributeEventListener(eventNames().blurEvent, createAttributeEventListener(document()->frame(), attr));
122     else if (attr->name() == onfocusAttr)
123         document()->setWindowAttributeEventListener(eventNames().focusEvent, createAttributeEventListener(document()->frame(), attr));
124     else if (attr->name() == onfocusinAttr)
125         document()->setWindowAttributeEventListener(eventNames().focusinEvent, createAttributeEventListener(document()->frame(), attr));
126     else if (attr->name() == onfocusoutAttr)
127         document()->setWindowAttributeEventListener(eventNames().focusoutEvent, createAttributeEventListener(document()->frame(), attr));
128 #if ENABLE(ORIENTATION_EVENTS)
129     else if (attr->name() == onorientationchangeAttr)
130         document()->setWindowAttributeEventListener(eventNames().orientationchangeEvent, createAttributeEventListener(document()->frame(), attr));
131 #endif
132     else if (attr->name() == onhashchangeAttr)
133         document()->setWindowAttributeEventListener(eventNames().hashchangeEvent, createAttributeEventListener(document()->frame(), attr));
134     else if (attr->name() == onresizeAttr)
135         document()->setWindowAttributeEventListener(eventNames().resizeEvent, createAttributeEventListener(document()->frame(), attr));
136     else if (attr->name() == onscrollAttr)
137         document()->setWindowAttributeEventListener(eventNames().scrollEvent, createAttributeEventListener(document()->frame(), attr));
138     else if (attr->name() == onstorageAttr)
139         document()->setWindowAttributeEventListener(eventNames().storageEvent, createAttributeEventListener(document()->frame(), attr));
140     else if (attr->name() == ononlineAttr)
141         document()->setWindowAttributeEventListener(eventNames().onlineEvent, createAttributeEventListener(document()->frame(), attr));
142     else if (attr->name() == onofflineAttr)
143         document()->setWindowAttributeEventListener(eventNames().offlineEvent, createAttributeEventListener(document()->frame(), attr));
144     else if (attr->name() == onpopstateAttr)
145         document()->setWindowAttributeEventListener(eventNames().popstateEvent, createAttributeEventListener(document()->frame(), attr));
146     else
147         HTMLElement::parseMappedAttribute(attr);
148 }
149 
rendererIsNeeded(RenderStyle * style)150 bool HTMLFrameSetElement::rendererIsNeeded(RenderStyle *style)
151 {
152     // For compatibility, frames render even when display: none is set.
153     // However, we delay creating a renderer until stylesheets have loaded.
154     return style->isStyleAvailable();
155 }
156 
createRenderer(RenderArena * arena,RenderStyle * style)157 RenderObject *HTMLFrameSetElement::createRenderer(RenderArena *arena, RenderStyle *style)
158 {
159     if (style->contentData())
160         return RenderObject::createObject(this, style);
161 
162     return new (arena) RenderFrameSet(this);
163 }
164 
attach()165 void HTMLFrameSetElement::attach()
166 {
167     // Inherit default settings from parent frameset
168     // FIXME: This is not dynamic.
169     for (ContainerNode* node = parentNode(); node; node = node->parentNode()) {
170         if (node->hasTagName(framesetTag)) {
171             HTMLFrameSetElement* frameset = static_cast<HTMLFrameSetElement*>(node);
172             if (!m_frameborderSet)
173                 m_frameborder = frameset->hasFrameBorder();
174             if (m_frameborder) {
175                 if (!m_borderSet)
176                     m_border = frameset->border();
177                 if (!m_borderColorSet)
178                     m_borderColorSet = frameset->hasBorderColor();
179             }
180             if (!m_noresize)
181                 m_noresize = frameset->noResize();
182             break;
183         }
184     }
185 
186     HTMLElement::attach();
187 }
188 
defaultEventHandler(Event * evt)189 void HTMLFrameSetElement::defaultEventHandler(Event* evt)
190 {
191     if (evt->isMouseEvent() && !m_noresize && renderer() && renderer()->isFrameSet()) {
192         if (toRenderFrameSet(renderer())->userResize(static_cast<MouseEvent*>(evt))) {
193             evt->setDefaultHandled();
194             return;
195         }
196     }
197     HTMLElement::defaultEventHandler(evt);
198 }
199 
recalcStyle(StyleChange ch)200 void HTMLFrameSetElement::recalcStyle(StyleChange ch)
201 {
202     if (needsStyleRecalc() && renderer()) {
203         renderer()->setNeedsLayout(true);
204 #ifdef ANDROID_FLATTEN_FRAMESET
205         static_cast<RenderFrameSet*>(renderer())->setGridNeedsLayout();
206 #endif
207         clearNeedsStyleRecalc();
208     }
209     HTMLElement::recalcStyle(ch);
210 }
211 
insertedIntoDocument()212 void HTMLFrameSetElement::insertedIntoDocument()
213 {
214     HTMLElement::insertedIntoDocument();
215     if (Frame* frame = document()->frame())
216         frame->loader()->client()->dispatchDidBecomeFrameset(document()->isFrameSet());
217 }
218 
removedFromDocument()219 void HTMLFrameSetElement::removedFromDocument()
220 {
221     HTMLElement::removedFromDocument();
222     if (Frame* frame = document()->frame())
223         frame->loader()->client()->dispatchDidBecomeFrameset(document()->isFrameSet());
224 }
225 
226 } // namespace WebCore
227