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