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 "FrameLoader.h"
34#include "FrameLoaderClient.h"
35#include "HTMLNames.h"
36#include "Length.h"
37#include "MouseEvent.h"
38#include "NodeRenderingContext.h"
39#include "RenderFrameSet.h"
40#include "ScriptEventListener.h"
41#include "Text.h"
42
43namespace WebCore {
44
45using namespace HTMLNames;
46
47HTMLFrameSetElement::HTMLFrameSetElement(const QualifiedName& tagName, Document* document)
48    : HTMLElement(tagName, document)
49    , m_totalRows(1)
50    , m_totalCols(1)
51    , m_border(6)
52    , m_borderSet(false)
53    , m_borderColorSet(false)
54    , m_frameborder(true)
55    , m_frameborderSet(false)
56    , m_noresize(false)
57{
58    ASSERT(hasTagName(framesetTag));
59
60    setHasCustomStyleCallbacks();
61}
62
63PassRefPtr<HTMLFrameSetElement> HTMLFrameSetElement::create(const QualifiedName& tagName, Document* document)
64{
65    return adoptRef(new HTMLFrameSetElement(tagName, document));
66}
67
68bool HTMLFrameSetElement::isPresentationAttribute(const QualifiedName& name) const
69{
70    if (name == bordercolorAttr)
71        return true;
72    return HTMLElement::isPresentationAttribute(name);
73}
74
75void HTMLFrameSetElement::collectStyleForPresentationAttribute(const QualifiedName& name, const AtomicString& value, MutableStylePropertySet* style)
76{
77    if (name == bordercolorAttr)
78        addHTMLColorToStyle(style, CSSPropertyBorderColor, value);
79    else
80        HTMLElement::collectStyleForPresentationAttribute(name, value, style);
81}
82
83void HTMLFrameSetElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
84{
85    if (name == rowsAttr) {
86        if (!value.isNull()) {
87            m_rowLengths = newLengthArray(value.string(), m_totalRows);
88            setNeedsStyleRecalc();
89        }
90    } else if (name == colsAttr) {
91        if (!value.isNull()) {
92            m_colLengths = newLengthArray(value.string(), m_totalCols);
93            setNeedsStyleRecalc();
94        }
95    } else if (name == frameborderAttr) {
96        if (!value.isNull()) {
97            if (equalIgnoringCase(value, "no") || equalIgnoringCase(value, "0")) {
98                m_frameborder = false;
99                m_frameborderSet = true;
100            } else if (equalIgnoringCase(value, "yes") || equalIgnoringCase(value, "1")) {
101                m_frameborderSet = true;
102            }
103        } else {
104            m_frameborder = false;
105            m_frameborderSet = false;
106        }
107    } else if (name == noresizeAttr) {
108        m_noresize = true;
109    } else if (name == borderAttr) {
110        if (!value.isNull()) {
111            m_border = value.toInt();
112            m_borderSet = true;
113        } else
114            m_borderSet = false;
115    } else if (name == bordercolorAttr)
116        m_borderColorSet = !value.isEmpty();
117    else if (name == onloadAttr)
118        document()->setWindowAttributeEventListener(eventNames().loadEvent, createAttributeEventListener(document()->frame(), name, value));
119    else if (name == onbeforeunloadAttr)
120        document()->setWindowAttributeEventListener(eventNames().beforeunloadEvent, createAttributeEventListener(document()->frame(), name, value));
121    else if (name == onunloadAttr)
122        document()->setWindowAttributeEventListener(eventNames().unloadEvent, createAttributeEventListener(document()->frame(), name, value));
123    else if (name == onblurAttr)
124        document()->setWindowAttributeEventListener(eventNames().blurEvent, createAttributeEventListener(document()->frame(), name, value));
125    else if (name == onfocusAttr)
126        document()->setWindowAttributeEventListener(eventNames().focusEvent, createAttributeEventListener(document()->frame(), name, value));
127    else if (name == onfocusinAttr)
128        document()->setWindowAttributeEventListener(eventNames().focusinEvent, createAttributeEventListener(document()->frame(), name, value));
129    else if (name == onfocusoutAttr)
130        document()->setWindowAttributeEventListener(eventNames().focusoutEvent, createAttributeEventListener(document()->frame(), name, value));
131#if ENABLE(ORIENTATION_EVENTS)
132    else if (name == onorientationchangeAttr)
133        document()->setWindowAttributeEventListener(eventNames().orientationchangeEvent, createAttributeEventListener(document()->frame(), name, value));
134#endif
135    else if (name == onhashchangeAttr)
136        document()->setWindowAttributeEventListener(eventNames().hashchangeEvent, createAttributeEventListener(document()->frame(), name, value));
137    else if (name == onresizeAttr)
138        document()->setWindowAttributeEventListener(eventNames().resizeEvent, createAttributeEventListener(document()->frame(), name, value));
139    else if (name == onscrollAttr)
140        document()->setWindowAttributeEventListener(eventNames().scrollEvent, createAttributeEventListener(document()->frame(), name, value));
141    else if (name == onstorageAttr)
142        document()->setWindowAttributeEventListener(eventNames().storageEvent, createAttributeEventListener(document()->frame(), name, value));
143    else if (name == ononlineAttr)
144        document()->setWindowAttributeEventListener(eventNames().onlineEvent, createAttributeEventListener(document()->frame(), name, value));
145    else if (name == onofflineAttr)
146        document()->setWindowAttributeEventListener(eventNames().offlineEvent, createAttributeEventListener(document()->frame(), name, value));
147    else if (name == onpopstateAttr)
148        document()->setWindowAttributeEventListener(eventNames().popstateEvent, createAttributeEventListener(document()->frame(), name, value));
149    else
150        HTMLElement::parseAttribute(name, value);
151}
152
153bool HTMLFrameSetElement::rendererIsNeeded(const NodeRenderingContext& context)
154{
155    // For compatibility, frames render even when display: none is set.
156    // However, we delay creating a renderer until stylesheets have loaded.
157    return context.style()->isStyleAvailable();
158}
159
160RenderObject *HTMLFrameSetElement::createRenderer(RenderArena *arena, RenderStyle *style)
161{
162    if (style->hasContent())
163        return RenderObject::createObject(this, style);
164
165    return new (arena) RenderFrameSet(this);
166}
167
168void HTMLFrameSetElement::attach(const AttachContext& context)
169{
170    // Inherit default settings from parent frameset
171    // FIXME: This is not dynamic.
172    for (ContainerNode* node = parentNode(); node; node = node->parentNode()) {
173        if (node->hasTagName(framesetTag)) {
174            HTMLFrameSetElement* frameset = static_cast<HTMLFrameSetElement*>(node);
175            if (!m_frameborderSet)
176                m_frameborder = frameset->hasFrameBorder();
177            if (m_frameborder) {
178                if (!m_borderSet)
179                    m_border = frameset->border();
180                if (!m_borderColorSet)
181                    m_borderColorSet = frameset->hasBorderColor();
182            }
183            if (!m_noresize)
184                m_noresize = frameset->noResize();
185            break;
186        }
187    }
188
189    HTMLElement::attach(context);
190}
191
192void HTMLFrameSetElement::defaultEventHandler(Event* evt)
193{
194    if (evt->isMouseEvent() && !m_noresize && renderer() && renderer()->isFrameSet()) {
195        if (toRenderFrameSet(renderer())->userResize(static_cast<MouseEvent*>(evt))) {
196            evt->setDefaultHandled();
197            return;
198        }
199    }
200    HTMLElement::defaultEventHandler(evt);
201}
202
203bool HTMLFrameSetElement::willRecalcStyle(StyleChange)
204{
205    if (needsStyleRecalc() && renderer()) {
206        renderer()->setNeedsLayout(true);
207        clearNeedsStyleRecalc();
208    }
209    return true;
210}
211
212Node::InsertionNotificationRequest HTMLFrameSetElement::insertedInto(ContainerNode* insertionPoint)
213{
214    HTMLElement::insertedInto(insertionPoint);
215    if (insertionPoint->inDocument()) {
216        if (Frame* frame = document()->frame())
217            frame->loader()->client()->dispatchDidBecomeFrameset(document()->isFrameSet());
218    }
219
220    return InsertionDone;
221}
222
223void HTMLFrameSetElement::removedFrom(ContainerNode* insertionPoint)
224{
225    HTMLElement::removedFrom(insertionPoint);
226    if (insertionPoint->inDocument()) {
227        if (Frame* frame = document()->frame())
228            frame->loader()->client()->dispatchDidBecomeFrameset(document()->isFrameSet());
229    }
230}
231
232} // namespace WebCore
233