| /* |
| * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
| * (C) 1999 Antti Koivisto (koivisto@kde.org) |
| * (C) 2000 Simon Hausmann (hausmann@kde.org) |
| * (C) 2001 Dirk Mueller (mueller@kde.org) |
| * Copyright (C) 2004, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| */ |
| |
| #include "config.h" |
| #include "core/html/HTMLBodyElement.h" |
| |
| #include "bindings/v8/ScriptEventListener.h" |
| #include "core/CSSValueKeywords.h" |
| #include "core/HTMLNames.h" |
| #include "core/css/CSSImageValue.h" |
| #include "core/css/parser/BisonCSSParser.h" |
| #include "core/css/StylePropertySet.h" |
| #include "core/dom/Attribute.h" |
| #include "core/frame/FrameView.h" |
| #include "core/frame/LocalFrame.h" |
| #include "core/html/HTMLFrameElementBase.h" |
| #include "core/html/parser/HTMLParserIdioms.h" |
| #include "core/rendering/RenderBox.h" |
| |
| namespace WebCore { |
| |
| using namespace HTMLNames; |
| |
| inline HTMLBodyElement::HTMLBodyElement(Document& document) |
| : HTMLElement(bodyTag, document) |
| { |
| ScriptWrappable::init(this); |
| } |
| |
| DEFINE_NODE_FACTORY(HTMLBodyElement) |
| |
| HTMLBodyElement::~HTMLBodyElement() |
| { |
| } |
| |
| bool HTMLBodyElement::isPresentationAttribute(const QualifiedName& name) const |
| { |
| if (name == backgroundAttr || name == marginwidthAttr || name == leftmarginAttr || name == marginheightAttr || name == topmarginAttr || name == bgcolorAttr || name == textAttr || name == bgpropertiesAttr) |
| return true; |
| return HTMLElement::isPresentationAttribute(name); |
| } |
| |
| void HTMLBodyElement::collectStyleForPresentationAttribute(const QualifiedName& name, const AtomicString& value, MutableStylePropertySet* style) |
| { |
| if (name == backgroundAttr) { |
| String url = stripLeadingAndTrailingHTMLSpaces(value); |
| if (!url.isEmpty()) { |
| RefPtrWillBeRawPtr<CSSImageValue> imageValue = CSSImageValue::create(url, document().completeURL(url)); |
| imageValue->setInitiator(localName()); |
| imageValue->setReferrer(Referrer(document().outgoingReferrer(), document().referrerPolicy())); |
| style->setProperty(CSSProperty(CSSPropertyBackgroundImage, imageValue.release())); |
| } |
| } else if (name == marginwidthAttr || name == leftmarginAttr) { |
| addHTMLLengthToStyle(style, CSSPropertyMarginRight, value); |
| addHTMLLengthToStyle(style, CSSPropertyMarginLeft, value); |
| } else if (name == marginheightAttr || name == topmarginAttr) { |
| addHTMLLengthToStyle(style, CSSPropertyMarginBottom, value); |
| addHTMLLengthToStyle(style, CSSPropertyMarginTop, value); |
| } else if (name == bgcolorAttr) { |
| addHTMLColorToStyle(style, CSSPropertyBackgroundColor, value); |
| } else if (name == textAttr) { |
| addHTMLColorToStyle(style, CSSPropertyColor, value); |
| } else if (name == bgpropertiesAttr) { |
| if (equalIgnoringCase(value, "fixed")) |
| addPropertyToPresentationAttributeStyle(style, CSSPropertyBackgroundAttachment, CSSValueFixed); |
| } else |
| HTMLElement::collectStyleForPresentationAttribute(name, value, style); |
| } |
| |
| void HTMLBodyElement::parseAttribute(const QualifiedName& name, const AtomicString& value) |
| { |
| if (name == vlinkAttr || name == alinkAttr || name == linkAttr) { |
| if (value.isNull()) { |
| if (name == linkAttr) |
| document().textLinkColors().resetLinkColor(); |
| else if (name == vlinkAttr) |
| document().textLinkColors().resetVisitedLinkColor(); |
| else |
| document().textLinkColors().resetActiveLinkColor(); |
| } else { |
| RGBA32 color; |
| if (BisonCSSParser::parseColor(color, value, !document().inQuirksMode())) { |
| if (name == linkAttr) |
| document().textLinkColors().setLinkColor(color); |
| else if (name == vlinkAttr) |
| document().textLinkColors().setVisitedLinkColor(color); |
| else |
| document().textLinkColors().setActiveLinkColor(color); |
| } |
| } |
| |
| setNeedsStyleRecalc(SubtreeStyleChange); |
| } else if (name == onloadAttr) |
| document().setWindowAttributeEventListener(EventTypeNames::load, createAttributeEventListener(document().frame(), name, value, eventParameterName())); |
| else if (name == onbeforeunloadAttr) |
| document().setWindowAttributeEventListener(EventTypeNames::beforeunload, createAttributeEventListener(document().frame(), name, value, eventParameterName())); |
| else if (name == onunloadAttr) |
| document().setWindowAttributeEventListener(EventTypeNames::unload, createAttributeEventListener(document().frame(), name, value, eventParameterName())); |
| else if (name == onpagehideAttr) |
| document().setWindowAttributeEventListener(EventTypeNames::pagehide, createAttributeEventListener(document().frame(), name, value, eventParameterName())); |
| else if (name == onpageshowAttr) |
| document().setWindowAttributeEventListener(EventTypeNames::pageshow, createAttributeEventListener(document().frame(), name, value, eventParameterName())); |
| else if (name == onpopstateAttr) |
| document().setWindowAttributeEventListener(EventTypeNames::popstate, createAttributeEventListener(document().frame(), name, value, eventParameterName())); |
| else if (name == onblurAttr) |
| document().setWindowAttributeEventListener(EventTypeNames::blur, createAttributeEventListener(document().frame(), name, value, eventParameterName())); |
| else if (name == onerrorAttr) |
| document().setWindowAttributeEventListener(EventTypeNames::error, createAttributeEventListener(document().frame(), name, value, eventParameterName())); |
| else if (name == onfocusAttr) |
| document().setWindowAttributeEventListener(EventTypeNames::focus, createAttributeEventListener(document().frame(), name, value, eventParameterName())); |
| else if (RuntimeEnabledFeatures::orientationEventEnabled() && name == onorientationchangeAttr) |
| document().setWindowAttributeEventListener(EventTypeNames::orientationchange, createAttributeEventListener(document().frame(), name, value, eventParameterName())); |
| else if (name == onhashchangeAttr) |
| document().setWindowAttributeEventListener(EventTypeNames::hashchange, createAttributeEventListener(document().frame(), name, value, eventParameterName())); |
| else if (name == onmessageAttr) |
| document().setWindowAttributeEventListener(EventTypeNames::message, createAttributeEventListener(document().frame(), name, value, eventParameterName())); |
| else if (name == onresizeAttr) |
| document().setWindowAttributeEventListener(EventTypeNames::resize, createAttributeEventListener(document().frame(), name, value, eventParameterName())); |
| else if (name == onscrollAttr) |
| document().setWindowAttributeEventListener(EventTypeNames::scroll, createAttributeEventListener(document().frame(), name, value, eventParameterName())); |
| else if (name == onselectionchangeAttr) |
| document().setAttributeEventListener(EventTypeNames::selectionchange, createAttributeEventListener(document().frame(), name, value, eventParameterName())); |
| else if (name == onstorageAttr) |
| document().setWindowAttributeEventListener(EventTypeNames::storage, createAttributeEventListener(document().frame(), name, value, eventParameterName())); |
| else if (name == ononlineAttr) |
| document().setWindowAttributeEventListener(EventTypeNames::online, createAttributeEventListener(document().frame(), name, value, eventParameterName())); |
| else if (name == onofflineAttr) |
| document().setWindowAttributeEventListener(EventTypeNames::offline, createAttributeEventListener(document().frame(), name, value, eventParameterName())); |
| else if (name == onlanguagechangeAttr) |
| document().setWindowAttributeEventListener(EventTypeNames::languagechange, createAttributeEventListener(document().frame(), name, value, eventParameterName())); |
| else |
| HTMLElement::parseAttribute(name, value); |
| } |
| |
| Node::InsertionNotificationRequest HTMLBodyElement::insertedInto(ContainerNode* insertionPoint) |
| { |
| HTMLElement::insertedInto(insertionPoint); |
| return InsertionShouldCallDidNotifySubtreeInsertions; |
| } |
| |
| void HTMLBodyElement::didNotifySubtreeInsertionsToDocument() |
| { |
| // FIXME: It's surprising this is web compatible since it means a |
| // marginwidth and marginheight attribute can magically appear on the <body> |
| // of all documents embedded through <iframe> or <frame>. |
| Element* ownerElement = document().ownerElement(); |
| if (!isHTMLFrameElementBase(ownerElement)) |
| return; |
| HTMLFrameElementBase& ownerFrameElement = toHTMLFrameElementBase(*ownerElement); |
| int marginWidth = ownerFrameElement.marginWidth(); |
| int marginHeight = ownerFrameElement.marginHeight(); |
| if (marginWidth != -1) |
| setIntegralAttribute(marginwidthAttr, marginWidth); |
| if (marginHeight != -1) |
| setIntegralAttribute(marginheightAttr, marginHeight); |
| } |
| |
| bool HTMLBodyElement::isURLAttribute(const Attribute& attribute) const |
| { |
| return attribute.name() == backgroundAttr || HTMLElement::isURLAttribute(attribute); |
| } |
| |
| bool HTMLBodyElement::hasLegalLinkAttribute(const QualifiedName& name) const |
| { |
| return name == backgroundAttr || HTMLElement::hasLegalLinkAttribute(name); |
| } |
| |
| const QualifiedName& HTMLBodyElement::subResourceAttributeName() const |
| { |
| return backgroundAttr; |
| } |
| |
| bool HTMLBodyElement::supportsFocus() const |
| { |
| // This override is needed because the inherited method bails if the parent is editable. |
| // The <body> should be focusable even if <html> is editable. |
| return rendererIsEditable() || HTMLElement::supportsFocus(); |
| } |
| |
| static int adjustForZoom(int value, Document* document) |
| { |
| LocalFrame* frame = document->frame(); |
| float zoomFactor = frame->pageZoomFactor(); |
| if (zoomFactor == 1) |
| return value; |
| // Needed because of truncation (rather than rounding) when scaling up. |
| if (zoomFactor > 1) |
| value++; |
| return static_cast<int>(value / zoomFactor); |
| } |
| |
| // Blink, Gecko and Presto's quirks mode implementations of overflow set to the |
| // body element differ from IE's: the formers can create a scrollable area for the |
| // body element that is not the same as the root elements's one. On IE's quirks mode |
| // though, as body is the root element, body's and the root element's scrollable areas, |
| // if any, are the same. |
| // In order words, a <body> will only have an overflow clip (that differs from |
| // documentElement's) if both html and body nodes have its overflow set to either hidden, |
| // auto or scroll. |
| // That said, Blink's {set}scroll{Top,Left} behaviors match Gecko's: even if there is a non-overflown |
| // scrollable area, scrolling should not get propagated to the viewport in neither strict |
| // or quirks modes. |
| int HTMLBodyElement::scrollLeft() |
| { |
| Document& document = this->document(); |
| document.updateLayoutIgnorePendingStylesheets(); |
| |
| if (RuntimeEnabledFeatures::scrollTopLeftInteropEnabled()) { |
| RenderBox* render = renderBox(); |
| if (!render) |
| return 0; |
| if (render->hasOverflowClip()) |
| return adjustForAbsoluteZoom(render->scrollLeft(), render); |
| if (!document.inQuirksMode()) |
| return 0; |
| } |
| |
| FrameView* view = document.view(); |
| return view ? adjustForZoom(view->scrollX(), &document) : 0; |
| } |
| |
| void HTMLBodyElement::setScrollLeft(int scrollLeft) |
| { |
| Document& document = this->document(); |
| document.updateLayoutIgnorePendingStylesheets(); |
| |
| if (RuntimeEnabledFeatures::scrollTopLeftInteropEnabled()) { |
| RenderBox* render = renderBox(); |
| if (!render) |
| return; |
| if (render->hasOverflowClip()) { |
| // FIXME: Investigate how are other browsers casting to int (rounding, ceiling, ...). |
| render->setScrollLeft(static_cast<int>(scrollLeft * render->style()->effectiveZoom())); |
| return; |
| } |
| if (!document.inQuirksMode()) |
| return; |
| } |
| |
| LocalFrame* frame = document.frame(); |
| if (!frame) |
| return; |
| FrameView* view = frame->view(); |
| if (!view) |
| return; |
| view->setScrollPosition(IntPoint(static_cast<int>(scrollLeft * frame->pageZoomFactor()), view->scrollY())); |
| } |
| |
| int HTMLBodyElement::scrollTop() |
| { |
| Document& document = this->document(); |
| document.updateLayoutIgnorePendingStylesheets(); |
| |
| if (RuntimeEnabledFeatures::scrollTopLeftInteropEnabled()) { |
| RenderBox* render = renderBox(); |
| if (!render) |
| return 0; |
| if (render->hasOverflowClip()) |
| return adjustForAbsoluteZoom(render->scrollTop(), render); |
| if (!document.inQuirksMode()) |
| return 0; |
| } |
| |
| FrameView* view = document.view(); |
| return view ? adjustForZoom(view->scrollY(), &document) : 0; |
| } |
| |
| void HTMLBodyElement::setScrollTop(int scrollTop) |
| { |
| Document& document = this->document(); |
| document.updateLayoutIgnorePendingStylesheets(); |
| |
| if (RuntimeEnabledFeatures::scrollTopLeftInteropEnabled()) { |
| RenderBox* render = renderBox(); |
| if (!render) |
| return; |
| if (render->hasOverflowClip()) { |
| // FIXME: Investigate how are other browsers casting to int (rounding, ceiling, ...). |
| render->setScrollTop(static_cast<int>(scrollTop * render->style()->effectiveZoom())); |
| return; |
| } |
| if (!document.inQuirksMode()) |
| return; |
| } |
| |
| LocalFrame* frame = document.frame(); |
| if (!frame) |
| return; |
| FrameView* view = frame->view(); |
| if (!view) |
| return; |
| view->setScrollPosition(IntPoint(view->scrollX(), static_cast<int>(scrollTop * frame->pageZoomFactor()))); |
| } |
| |
| int HTMLBodyElement::scrollHeight() |
| { |
| // Update the document's layout. |
| Document& document = this->document(); |
| document.updateLayoutIgnorePendingStylesheets(); |
| FrameView* view = document.view(); |
| return view ? adjustForZoom(view->contentsHeight(), &document) : 0; |
| } |
| |
| int HTMLBodyElement::scrollWidth() |
| { |
| // Update the document's layout. |
| Document& document = this->document(); |
| document.updateLayoutIgnorePendingStylesheets(); |
| FrameView* view = document.view(); |
| return view ? adjustForZoom(view->contentsWidth(), &document) : 0; |
| } |
| |
| } // namespace WebCore |