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
41namespace WebCore {
42
43using namespace HTMLNames;
44
45HTMLFrameSetElement::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
59PassRefPtr<HTMLFrameSetElement> HTMLFrameSetElement::create(const QualifiedName& tagName, Document* document)
60{
61    return adoptRef(new HTMLFrameSetElement(tagName, document));
62}
63
64bool 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
74void 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
150bool 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
157RenderObject *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
165void 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
189void 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
200void 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
212void HTMLFrameSetElement::insertedIntoDocument()
213{
214    HTMLElement::insertedIntoDocument();
215    if (Frame* frame = document()->frame())
216        frame->loader()->client()->dispatchDidBecomeFrameset(document()->isFrameSet());
217}
218
219void 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