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 "core/html/HTMLFrameSetElement.h"
26
27#include "bindings/core/v8/ScriptEventListener.h"
28#include "core/CSSPropertyNames.h"
29#include "core/HTMLNames.h"
30#include "core/dom/Document.h"
31#include "core/events/Event.h"
32#include "core/events/MouseEvent.h"
33#include "core/frame/LocalFrame.h"
34#include "core/html/HTMLCollection.h"
35#include "core/html/HTMLFrameElement.h"
36#include "core/loader/FrameLoaderClient.h"
37#include "core/rendering/RenderFrameSet.h"
38
39namespace blink {
40
41using namespace HTMLNames;
42
43inline HTMLFrameSetElement::HTMLFrameSetElement(Document& document)
44    : HTMLElement(framesetTag, document)
45    , m_border(6)
46    , m_borderSet(false)
47    , m_borderColorSet(false)
48    , m_frameborder(true)
49    , m_frameborderSet(false)
50    , m_noresize(false)
51{
52    setHasCustomStyleCallbacks();
53}
54
55DEFINE_NODE_FACTORY(HTMLFrameSetElement)
56
57bool HTMLFrameSetElement::isPresentationAttribute(const QualifiedName& name) const
58{
59    if (name == bordercolorAttr)
60        return true;
61    return HTMLElement::isPresentationAttribute(name);
62}
63
64void HTMLFrameSetElement::collectStyleForPresentationAttribute(const QualifiedName& name, const AtomicString& value, MutableStylePropertySet* style)
65{
66    if (name == bordercolorAttr)
67        addHTMLColorToStyle(style, CSSPropertyBorderColor, value);
68    else
69        HTMLElement::collectStyleForPresentationAttribute(name, value, style);
70}
71
72void HTMLFrameSetElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
73{
74    if (name == rowsAttr) {
75        if (!value.isNull()) {
76            m_rowLengths = parseListOfDimensions(value.string());
77            setNeedsStyleRecalc(SubtreeStyleChange);
78        }
79    } else if (name == colsAttr) {
80        if (!value.isNull()) {
81            m_colLengths = parseListOfDimensions(value.string());
82            setNeedsStyleRecalc(SubtreeStyleChange);
83        }
84    } else if (name == frameborderAttr) {
85        if (!value.isNull()) {
86            if (equalIgnoringCase(value, "no") || equalIgnoringCase(value, "0")) {
87                m_frameborder = false;
88                m_frameborderSet = true;
89            } else if (equalIgnoringCase(value, "yes") || equalIgnoringCase(value, "1")) {
90                m_frameborderSet = true;
91            }
92        } else {
93            m_frameborder = false;
94            m_frameborderSet = false;
95        }
96    } else if (name == noresizeAttr) {
97        m_noresize = true;
98    } else if (name == borderAttr) {
99        if (!value.isNull()) {
100            m_border = value.toInt();
101            m_borderSet = true;
102        } else
103            m_borderSet = false;
104    } else if (name == bordercolorAttr)
105        m_borderColorSet = !value.isEmpty();
106    else if (name == onloadAttr)
107        document().setWindowAttributeEventListener(EventTypeNames::load, createAttributeEventListener(document().frame(), name, value, eventParameterName()));
108    else if (name == onbeforeunloadAttr)
109        document().setWindowAttributeEventListener(EventTypeNames::beforeunload, createAttributeEventListener(document().frame(), name, value, eventParameterName()));
110    else if (name == onunloadAttr)
111        document().setWindowAttributeEventListener(EventTypeNames::unload, createAttributeEventListener(document().frame(), name, value, eventParameterName()));
112    else if (name == onpagehideAttr)
113        document().setWindowAttributeEventListener(EventTypeNames::pagehide, createAttributeEventListener(document().frame(), name, value, eventParameterName()));
114    else if (name == onpageshowAttr)
115        document().setWindowAttributeEventListener(EventTypeNames::pageshow, createAttributeEventListener(document().frame(), name, value, eventParameterName()));
116    else if (name == onblurAttr)
117        document().setWindowAttributeEventListener(EventTypeNames::blur, createAttributeEventListener(document().frame(), name, value, eventParameterName()));
118    else if (name == onerrorAttr)
119        document().setWindowAttributeEventListener(EventTypeNames::error, createAttributeEventListener(document().frame(), name, value, eventParameterName()));
120    else if (name == onfocusAttr)
121        document().setWindowAttributeEventListener(EventTypeNames::focus, createAttributeEventListener(document().frame(), name, value, eventParameterName()));
122    else if (name == onfocusinAttr)
123        document().setWindowAttributeEventListener(EventTypeNames::focusin, createAttributeEventListener(document().frame(), name, value, eventParameterName()));
124    else if (name == onfocusoutAttr)
125        document().setWindowAttributeEventListener(EventTypeNames::focusout, createAttributeEventListener(document().frame(), name, value, eventParameterName()));
126    else if (RuntimeEnabledFeatures::orientationEventEnabled() && name == onorientationchangeAttr)
127        document().setWindowAttributeEventListener(EventTypeNames::orientationchange, createAttributeEventListener(document().frame(), name, value, eventParameterName()));
128    else if (name == onhashchangeAttr)
129        document().setWindowAttributeEventListener(EventTypeNames::hashchange, createAttributeEventListener(document().frame(), name, value, eventParameterName()));
130    else if (name == onmessageAttr)
131        document().setWindowAttributeEventListener(EventTypeNames::message, createAttributeEventListener(document().frame(), name, value, eventParameterName()));
132    else if (name == onresizeAttr)
133        document().setWindowAttributeEventListener(EventTypeNames::resize, createAttributeEventListener(document().frame(), name, value, eventParameterName()));
134    else if (name == onscrollAttr)
135        document().setWindowAttributeEventListener(EventTypeNames::scroll, createAttributeEventListener(document().frame(), name, value, eventParameterName()));
136    else if (name == onstorageAttr)
137        document().setWindowAttributeEventListener(EventTypeNames::storage, createAttributeEventListener(document().frame(), name, value, eventParameterName()));
138    else if (name == ononlineAttr)
139        document().setWindowAttributeEventListener(EventTypeNames::online, createAttributeEventListener(document().frame(), name, value, eventParameterName()));
140    else if (name == onofflineAttr)
141        document().setWindowAttributeEventListener(EventTypeNames::offline, createAttributeEventListener(document().frame(), name, value, eventParameterName()));
142    else if (name == onpopstateAttr)
143        document().setWindowAttributeEventListener(EventTypeNames::popstate, createAttributeEventListener(document().frame(), name, value, eventParameterName()));
144    else if (name == onlanguagechangeAttr)
145        document().setWindowAttributeEventListener(EventTypeNames::languagechange, createAttributeEventListener(document().frame(), name, value, eventParameterName()));
146    else
147        HTMLElement::parseAttribute(name, value);
148}
149
150bool HTMLFrameSetElement::rendererIsNeeded(const 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(RenderStyle *style)
158{
159    if (style->hasContent())
160        return RenderObject::createObject(this, style);
161
162    return new RenderFrameSet(this);
163}
164
165void HTMLFrameSetElement::attach(const AttachContext& context)
166{
167    // Inherit default settings from parent frameset
168    // FIXME: This is not dynamic.
169    if (HTMLFrameSetElement* frameset = Traversal<HTMLFrameSetElement>::firstAncestor(*this)) {
170        if (!m_frameborderSet)
171            m_frameborder = frameset->hasFrameBorder();
172        if (m_frameborder) {
173            if (!m_borderSet)
174                m_border = frameset->border();
175            if (!m_borderColorSet)
176                m_borderColorSet = frameset->hasBorderColor();
177        }
178        if (!m_noresize)
179            m_noresize = frameset->noResize();
180    }
181
182    HTMLElement::attach(context);
183}
184
185void HTMLFrameSetElement::defaultEventHandler(Event* evt)
186{
187    if (evt->isMouseEvent() && !m_noresize && renderer() && renderer()->isFrameSet()) {
188        if (toRenderFrameSet(renderer())->userResize(toMouseEvent(evt))) {
189            evt->setDefaultHandled();
190            return;
191        }
192    }
193    HTMLElement::defaultEventHandler(evt);
194}
195
196Node::InsertionNotificationRequest HTMLFrameSetElement::insertedInto(ContainerNode* insertionPoint)
197{
198    if (insertionPoint->inDocument() && document().frame()) {
199        // A document using <frameset> likely won't literally have a body, but as far as the client is concerned, the frameset is effectively the body.
200        document().frame()->loader().client()->dispatchWillInsertBody();
201    }
202    return HTMLElement::insertedInto(insertionPoint);
203}
204
205void HTMLFrameSetElement::willRecalcStyle(StyleRecalcChange)
206{
207    if (needsStyleRecalc() && renderer()) {
208        renderer()->setNeedsLayoutAndFullPaintInvalidation();
209        clearNeedsStyleRecalc();
210    }
211}
212
213LocalDOMWindow* HTMLFrameSetElement::anonymousNamedGetter(const AtomicString& name)
214{
215    Element* frameElement = children()->namedItem(name);
216    if (!isHTMLFrameElement(frameElement))
217        return 0;
218    Document* document = toHTMLFrameElement(frameElement)->contentDocument();
219    if (!document || !document->frame())
220        return 0;
221    return document->domWindow();
222}
223
224} // namespace blink
225