diff options
Diffstat (limited to 'dom/html/HTMLTableColElement.cpp')
-rw-r--r-- | dom/html/HTMLTableColElement.cpp | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/dom/html/HTMLTableColElement.cpp b/dom/html/HTMLTableColElement.cpp new file mode 100644 index 000000000..484070bf0 --- /dev/null +++ b/dom/html/HTMLTableColElement.cpp @@ -0,0 +1,155 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "mozilla/dom/HTMLTableColElement.h" +#include "nsMappedAttributes.h" +#include "nsAttrValueInlines.h" +#include "nsRuleData.h" +#include "mozilla/dom/HTMLTableColElementBinding.h" + +NS_IMPL_NS_NEW_HTML_ELEMENT(TableCol) + +namespace mozilla { +namespace dom { + +// use the same protection as ancient code did +// http://lxr.mozilla.org/classic/source/lib/layout/laytable.c#46 +#define MAX_COLSPAN 1000 + +HTMLTableColElement::~HTMLTableColElement() +{ +} + +JSObject* +HTMLTableColElement::WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto) +{ + return HTMLTableColElementBinding::Wrap(aCx, this, aGivenProto); +} + +NS_IMPL_ELEMENT_CLONE(HTMLTableColElement) + +bool +HTMLTableColElement::ParseAttribute(int32_t aNamespaceID, + nsIAtom* aAttribute, + const nsAString& aValue, + nsAttrValue& aResult) +{ + if (aNamespaceID == kNameSpaceID_None) { + /* ignore these attributes, stored simply as strings ch */ + if (aAttribute == nsGkAtoms::charoff) { + return aResult.ParseSpecialIntValue(aValue); + } + if (aAttribute == nsGkAtoms::span) { + /* protection from unrealistic large colspan values */ + aResult.ParseIntWithFallback(aValue, 1, MAX_COLSPAN); + return true; + } + if (aAttribute == nsGkAtoms::width) { + return aResult.ParseSpecialIntValue(aValue); + } + if (aAttribute == nsGkAtoms::align) { + return ParseTableCellHAlignValue(aValue, aResult); + } + if (aAttribute == nsGkAtoms::valign) { + return ParseTableVAlignValue(aValue, aResult); + } + } + + return nsGenericHTMLElement::ParseAttribute(aNamespaceID, aAttribute, aValue, + aResult); +} + +void +HTMLTableColElement::MapAttributesIntoRule(const nsMappedAttributes* aAttributes, + nsRuleData* aData) +{ + if (aData->mSIDs & NS_STYLE_INHERIT_BIT(Table)) { + nsCSSValue *span = aData->ValueForSpan(); + if (span->GetUnit() == eCSSUnit_Null) { + // span: int + const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::span); + if (value && value->Type() == nsAttrValue::eInteger) { + int32_t val = value->GetIntegerValue(); + // Note: Do NOT use this code for table cells! The value "0" + // means something special for colspan and rowspan, but for <col + // span> and <colgroup span> it's just disallowed. + if (val > 0) { + span->SetIntValue(value->GetIntegerValue(), eCSSUnit_Integer); + } + } + } + } + if (aData->mSIDs & NS_STYLE_INHERIT_BIT(Position)) { + nsCSSValue* width = aData->ValueForWidth(); + if (width->GetUnit() == eCSSUnit_Null) { + // width + const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::width); + if (value) { + switch (value->Type()) { + case nsAttrValue::ePercent: { + width->SetPercentValue(value->GetPercentValue()); + break; + } + case nsAttrValue::eInteger: { + width->SetFloatValue((float)value->GetIntegerValue(), eCSSUnit_Pixel); + break; + } + default: + break; + } + } + } + } + if (aData->mSIDs & NS_STYLE_INHERIT_BIT(Text)) { + nsCSSValue* textAlign = aData->ValueForTextAlign(); + if (textAlign->GetUnit() == eCSSUnit_Null) { + // align: enum + const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::align); + if (value && value->Type() == nsAttrValue::eEnum) + textAlign->SetIntValue(value->GetEnumValue(), eCSSUnit_Enumerated); + } + } + if (aData->mSIDs & NS_STYLE_INHERIT_BIT(Display)) { + nsCSSValue* verticalAlign = aData->ValueForVerticalAlign(); + if (verticalAlign->GetUnit() == eCSSUnit_Null) { + // valign: enum + const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::valign); + if (value && value->Type() == nsAttrValue::eEnum) + verticalAlign->SetIntValue(value->GetEnumValue(), eCSSUnit_Enumerated); + } + } + + nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aData); +} + +NS_IMETHODIMP_(bool) +HTMLTableColElement::IsAttributeMapped(const nsIAtom* aAttribute) const +{ + static const MappedAttributeEntry attributes[] = { + { &nsGkAtoms::width }, + { &nsGkAtoms::align }, + { &nsGkAtoms::valign }, + { &nsGkAtoms::span }, + { nullptr } + }; + + static const MappedAttributeEntry* const map[] = { + attributes, + sCommonAttributeMap, + }; + + return FindAttributeDependence(aAttribute, map); +} + + +nsMapRuleToAttributesFunc +HTMLTableColElement::GetAttributeMappingFunction() const +{ + return &MapAttributesIntoRule; +} + +} // namespace dom +} // namespace mozilla |