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      1 /*
      2  * Copyright (C) 1999 Lars Knoll (knoll (at) kde.org)
      3  *           (C) 1999 Antti Koivisto (koivisto (at) kde.org)
      4  *           (C) 2000 Simon Hausmann (hausmann (at) kde.org)
      5  *           (C) 2001 Dirk Mueller (mueller (at) 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 
     39 namespace blink {
     40 
     41 using namespace HTMLNames;
     42 
     43 inline 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 
     55 DEFINE_NODE_FACTORY(HTMLFrameSetElement)
     56 
     57 bool HTMLFrameSetElement::isPresentationAttribute(const QualifiedName& name) const
     58 {
     59     if (name == bordercolorAttr)
     60         return true;
     61     return HTMLElement::isPresentationAttribute(name);
     62 }
     63 
     64 void 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 
     72 void 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 
    150 bool 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 
    157 RenderObject* HTMLFrameSetElement::createRenderer(RenderStyle *style)
    158 {
    159     if (style->hasContent())
    160         return RenderObject::createObject(this, style);
    161 
    162     return new RenderFrameSet(this);
    163 }
    164 
    165 void 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 
    185 void 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 
    196 Node::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 
    205 void HTMLFrameSetElement::willRecalcStyle(StyleRecalcChange)
    206 {
    207     if (needsStyleRecalc() && renderer()) {
    208         renderer()->setNeedsLayoutAndFullPaintInvalidation();
    209         clearNeedsStyleRecalc();
    210     }
    211 }
    212 
    213 LocalDOMWindow* 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