third_party/WebKit/Source/core/html/HTMLFrameSetElement.cpp

   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/layout/LayoutFrameSet.h"
  37 #include "core/loader/FrameLoaderClient.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, StyleChangeReasonForTracing::fromAttribute(name));
  78         }
  79     } else if (name == colsAttr) {
  80         if (!value.isNull()) {
  81             m_colLengths = parseListOfDimensions(value.string());
  82             setNeedsStyleRecalc(SubtreeStyleChange, StyleChangeReasonForTracing::fromAttribute(name));
  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         }
 105     } else if (name == bordercolorAttr) {
 106         m_borderColorSet = !value.isEmpty();
 107     } else if (name == onloadAttr) {
 108         document().setWindowAttributeEventListener(EventTypeNames::load, createAttributeEventListener(document().frame(), name, value, eventParameterName()));
 109     } else if (name == onbeforeunloadAttr) {
 110         document().setWindowAttributeEventListener(EventTypeNames::beforeunload, createAttributeEventListener(document().frame(), name, value, eventParameterName()));
 111     } else if (name == onunloadAttr) {
 112         document().setWindowAttributeEventListener(EventTypeNames::unload, createAttributeEventListener(document().frame(), name, value, eventParameterName()));
 113     } else if (name == onpagehideAttr) {
 114         document().setWindowAttributeEventListener(EventTypeNames::pagehide, createAttributeEventListener(document().frame(), name, value, eventParameterName()));
 115     } else if (name == onpageshowAttr) {
 116         document().setWindowAttributeEventListener(EventTypeNames::pageshow, createAttributeEventListener(document().frame(), name, value, eventParameterName()));
 117     } else if (name == onblurAttr) {
 118         document().setWindowAttributeEventListener(EventTypeNames::blur, createAttributeEventListener(document().frame(), name, value, eventParameterName()));
 119     } else if (name == onerrorAttr) {
 120         document().setWindowAttributeEventListener(EventTypeNames::error, createAttributeEventListener(document().frame(), name, value, eventParameterName()));
 121     } else if (name == onfocusAttr) {
 122         document().setWindowAttributeEventListener(EventTypeNames::focus, createAttributeEventListener(document().frame(), name, value, eventParameterName()));
 123     } else if (name == onfocusinAttr) {
 124         document().setWindowAttributeEventListener(EventTypeNames::focusin, createAttributeEventListener(document().frame(), name, value, eventParameterName()));
 125     } else if (name == onfocusoutAttr) {
 126         document().setWindowAttributeEventListener(EventTypeNames::focusout, createAttributeEventListener(document().frame(), name, value, eventParameterName()));
 127     } else if (RuntimeEnabledFeatures::orientationEventEnabled() && name == onorientationchangeAttr) {
 128         document().setWindowAttributeEventListener(EventTypeNames::orientationchange, createAttributeEventListener(document().frame(), name, value, eventParameterName()));
 129     } else if (name == onhashchangeAttr) {
 130         document().setWindowAttributeEventListener(EventTypeNames::hashchange, createAttributeEventListener(document().frame(), name, value, eventParameterName()));
 131     } else if (name == onmessageAttr) {
 132         document().setWindowAttributeEventListener(EventTypeNames::message, createAttributeEventListener(document().frame(), name, value, eventParameterName()));
 133     } else if (name == onresizeAttr) {
 134         document().setWindowAttributeEventListener(EventTypeNames::resize, createAttributeEventListener(document().frame(), name, value, eventParameterName()));
 135     } else if (name == onscrollAttr) {
 136         document().setWindowAttributeEventListener(EventTypeNames::scroll, createAttributeEventListener(document().frame(), name, value, eventParameterName()));
 137     } else if (name == onstorageAttr) {
 138         document().setWindowAttributeEventListener(EventTypeNames::storage, createAttributeEventListener(document().frame(), name, value, eventParameterName()));
 139     } else if (name == ononlineAttr) {
 140         document().setWindowAttributeEventListener(EventTypeNames::online, createAttributeEventListener(document().frame(), name, value, eventParameterName()));
 141     } else if (name == onofflineAttr) {
 142         document().setWindowAttributeEventListener(EventTypeNames::offline, createAttributeEventListener(document().frame(), name, value, eventParameterName()));
 143     } else if (name == onpopstateAttr) {
 144         document().setWindowAttributeEventListener(EventTypeNames::popstate, createAttributeEventListener(document().frame(), name, value, eventParameterName()));
 145     } else if (name == onlanguagechangeAttr) {
 146         document().setWindowAttributeEventListener(EventTypeNames::languagechange, createAttributeEventListener(document().frame(), name, value, eventParameterName()));
 147     } else {
 148         HTMLElement::parseAttribute(name, value);
 149     }
 150 }
 151
 152 bool HTMLFrameSetElement::layoutObjectIsNeeded(const ComputedStyle& style)
 153 {
 154     // For compatibility, frames layoutObject even when display: none is set.
 155     // However, we delay creating a layoutObject until stylesheets have loaded.
 156     return style.isStyleAvailable();
 157 }
 158
 159 LayoutObject* HTMLFrameSetElement::createLayoutObject(const ComputedStyle& style)
 160 {
 161     if (style.hasContent())
 162         return LayoutObject::createObject(this, style);
 163     return new LayoutFrameSet(this);
 164 }
 165
 166 void HTMLFrameSetElement::attach(const AttachContext& context)
 167 {
 168     // Inherit default settings from parent frameset
 169     // FIXME: This is not dynamic.
 170     if (HTMLFrameSetElement* frameset = Traversal<HTMLFrameSetElement>::firstAncestor(*this)) {
 171         if (!m_frameborderSet)
 172             m_frameborder = frameset->hasFrameBorder();
 173         if (m_frameborder) {
 174             if (!m_borderSet)
 175                 m_border = frameset->border();
 176             if (!m_borderColorSet)
 177                 m_borderColorSet = frameset->hasBorderColor();
 178         }
 179         if (!m_noresize)
 180             m_noresize = frameset->noResize();
 181     }
 182
 183     HTMLElement::attach(context);
 184 }
 185
 186 void HTMLFrameSetElement::defaultEventHandler(Event* evt)
 187 {
 188     if (evt->isMouseEvent() && !m_noresize && layoutObject() && layoutObject()->isFrameSet()) {
 189         if (toLayoutFrameSet(layoutObject())->userResize(toMouseEvent(evt))) {
 190             evt->setDefaultHandled();
 191             return;
 192         }
 193     }
 194     HTMLElement::defaultEventHandler(evt);
 195 }
 196
 197 Node::InsertionNotificationRequest HTMLFrameSetElement::insertedInto(ContainerNode* insertionPoint)
 198 {
 199     if (insertionPoint->inDocument() && document().frame()) {
 200         // 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.
 201         document().frame()->loader().client()->dispatchWillInsertBody();
 202     }
 203     return HTMLElement::insertedInto(insertionPoint);
 204 }
 205
 206 void HTMLFrameSetElement::willRecalcStyle(StyleRecalcChange)
 207 {
 208     if (needsStyleRecalc() && layoutObject()) {
 209         layoutObject()->setNeedsLayoutAndFullPaintInvalidation(LayoutInvalidationReason::StyleChange);
 210         clearNeedsStyleRecalc();
 211     }
 212 }
 213
 214 LocalDOMWindow* HTMLFrameSetElement::anonymousNamedGetter(const AtomicString& name)
 215 {
 216     Element* frameElement = children()->namedItem(name);
 217     if (!isHTMLFrameElement(frameElement))
 218         return nullptr;
 219     Document* document = toHTMLFrameElement(frameElement)->contentDocument();
 220     if (!document || !document->frame())
 221         return nullptr;
 222     return document->domWindow();
 223 }
 224
 225 } // namespace blink