blob: 5d237d4826c72f887b7db2fb51d6e97865679a99 [file] [log] [blame]
/*
* 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) 2004-2017 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 "HTMLFrameSetElement.h"
#include "CSSPropertyNames.h"
#include "DOMWrapperWorld.h"
#include "Document.h"
#include "ElementIterator.h"
#include "Event.h"
#include "Frame.h"
#include "FrameLoader.h"
#include "FrameLoaderClient.h"
#include "HTMLBodyElement.h"
#include "HTMLCollection.h"
#include "HTMLFrameElement.h"
#include "HTMLNames.h"
#include "Length.h"
#include "MouseEvent.h"
#include "RenderFrameSet.h"
#include "Text.h"
#include <wtf/IsoMallocInlines.h>
namespace WebCore {
WTF_MAKE_ISO_ALLOCATED_IMPL(HTMLFrameSetElement);
using namespace HTMLNames;
HTMLFrameSetElement::HTMLFrameSetElement(const QualifiedName& tagName, Document& document)
: HTMLElement(tagName, document)
, m_totalRows(1)
, m_totalCols(1)
, m_border(6)
, m_borderSet(false)
, m_borderColorSet(false)
, m_frameborder(true)
, m_frameborderSet(false)
, m_noresize(false)
{
ASSERT(hasTagName(framesetTag));
setHasCustomStyleResolveCallbacks();
}
Ref<HTMLFrameSetElement> HTMLFrameSetElement::create(const QualifiedName& tagName, Document& document)
{
return adoptRef(*new HTMLFrameSetElement(tagName, document));
}
bool HTMLFrameSetElement::isPresentationAttribute(const QualifiedName& name) const
{
if (name == bordercolorAttr)
return true;
return HTMLElement::isPresentationAttribute(name);
}
void HTMLFrameSetElement::collectStyleForPresentationAttribute(const QualifiedName& name, const AtomicString& value, MutableStyleProperties& style)
{
if (name == bordercolorAttr)
addHTMLColorToStyle(style, CSSPropertyBorderColor, value);
else
HTMLElement::collectStyleForPresentationAttribute(name, value, style);
}
void HTMLFrameSetElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
if (name == rowsAttr) {
// FIXME: What is the right thing to do when removing this attribute?
// Why not treat it the same way we treat setting it to the empty string?
if (!value.isNull()) {
m_rowLengths = newLengthArray(value.string(), m_totalRows);
// FIXME: Would be nice to optimize the case where m_rowLengths did not change.
invalidateStyleForSubtree();
}
return;
}
if (name == colsAttr) {
// FIXME: What is the right thing to do when removing this attribute?
// Why not treat it the same way we treat setting it to the empty string?
if (!value.isNull()) {
m_colLengths = newLengthArray(value.string(), m_totalCols);
// FIXME: Would be nice to optimize the case where m_colLengths did not change.
invalidateStyleForSubtree();
}
return;
}
if (name == frameborderAttr) {
if (!value.isNull()) {
if (equalLettersIgnoringASCIICase(value, "no") || value == "0") {
m_frameborder = false;
m_frameborderSet = true;
} else if (equalLettersIgnoringASCIICase(value, "yes") || value == "1") {
m_frameborderSet = true;
}
} else {
m_frameborder = false;
m_frameborderSet = false;
}
// FIXME: Do we need to trigger repainting?
return;
}
if (name == noresizeAttr) {
// FIXME: This should set m_noresize to false if the value is null.
m_noresize = true;
return;
}
if (name == borderAttr) {
if (!value.isNull()) {
m_border = value.toInt();
m_borderSet = true;
} else
m_borderSet = false;
// FIXME: Do we need to trigger repainting?
return;
}
if (name == bordercolorAttr) {
m_borderColorSet = !value.isEmpty();
// FIXME: Clearly wrong: This can overwrite the value inherited from the parent frameset.
// FIXME: Do we need to trigger repainting?
return;
}
auto& eventName = HTMLBodyElement::eventNameForWindowEventHandlerAttribute(name);
if (!eventName.isNull()) {
document().setWindowAttributeEventListener(eventName, name, value, mainThreadNormalWorld());
return;
}
HTMLElement::parseAttribute(name, value);
}
bool HTMLFrameSetElement::rendererIsNeeded(const RenderStyle& style)
{
// For compatibility, frames render even when display: none is set.
// However, we delay creating a renderer until stylesheets have loaded.
return !style.isNotFinal();
}
RenderPtr<RenderElement> HTMLFrameSetElement::createElementRenderer(RenderStyle&& style, const RenderTreePosition&)
{
if (style.hasContent())
return RenderElement::createFor(*this, WTFMove(style));
return createRenderer<RenderFrameSet>(*this, WTFMove(style));
}
RefPtr<HTMLFrameSetElement> HTMLFrameSetElement::findContaining(Element* descendant)
{
return ancestorsOfType<HTMLFrameSetElement>(*descendant).first();
}
void HTMLFrameSetElement::willAttachRenderers()
{
// Inherit default settings from parent frameset.
// FIXME: This is not dynamic.
const auto containingFrameSet = findContaining(this);
if (!containingFrameSet)
return;
if (!m_frameborderSet)
m_frameborder = containingFrameSet->hasFrameBorder();
if (m_frameborder) {
if (!m_borderSet)
m_border = containingFrameSet->border();
if (!m_borderColorSet)
m_borderColorSet = containingFrameSet->hasBorderColor();
}
if (!m_noresize)
m_noresize = containingFrameSet->noResize();
}
void HTMLFrameSetElement::defaultEventHandler(Event& event)
{
if (is<MouseEvent>(event) && !m_noresize && is<RenderFrameSet>(renderer())) {
if (downcast<RenderFrameSet>(*renderer()).userResize(downcast<MouseEvent>(event))) {
event.setDefaultHandled();
return;
}
}
HTMLElement::defaultEventHandler(event);
}
void HTMLFrameSetElement::willRecalcStyle(Style::Change)
{
if (needsStyleRecalc() && renderer())
renderer()->setNeedsLayout();
}
Node::InsertedIntoAncestorResult HTMLFrameSetElement::insertedIntoAncestor(InsertionType insertionType, ContainerNode& parentOfInsertedTree)
{
HTMLElement::insertedIntoAncestor(insertionType, parentOfInsertedTree);
if (insertionType.connectedToDocument) {
if (RefPtr<Frame> frame = document().frame())
frame->loader().client().dispatchDidBecomeFrameset(document().isFrameSet());
}
return InsertedIntoAncestorResult::Done;
}
void HTMLFrameSetElement::removedFromAncestor(RemovalType removalType, ContainerNode& oldParentOfRemovedTree)
{
HTMLElement::removedFromAncestor(removalType, oldParentOfRemovedTree);
if (removalType.disconnectedFromDocument) {
if (RefPtr<Frame> frame = document().frame())
frame->loader().client().dispatchDidBecomeFrameset(document().isFrameSet());
}
}
WindowProxy* HTMLFrameSetElement::namedItem(const AtomicString& name)
{
auto frameElement = makeRefPtr(children()->namedItem(name));
if (!is<HTMLFrameElement>(frameElement))
return nullptr;
return downcast<HTMLFrameElement>(*frameElement).contentWindow();
}
Vector<AtomicString> HTMLFrameSetElement::supportedPropertyNames() const
{
// NOTE: Left empty as no specification defines this named getter and we
// have not historically exposed these named items for enumeration.
return { };
}
} // namespace WebCore