diff options
Diffstat (limited to '')
| -rw-r--r-- | dom/html/HTMLTableRowElement.cpp | 250 |
1 files changed, 250 insertions, 0 deletions
diff --git a/dom/html/HTMLTableRowElement.cpp b/dom/html/HTMLTableRowElement.cpp new file mode 100644 index 0000000000..b22cbf7232 --- /dev/null +++ b/dom/html/HTMLTableRowElement.cpp @@ -0,0 +1,250 @@ +/* -*- 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/HTMLTableRowElement.h" +#include "mozilla/dom/HTMLTableElement.h" +#include "mozilla/MappedDeclarations.h" +#include "nsMappedAttributes.h" +#include "nsAttrValueInlines.h" +#include "mozilla/dom/BindingUtils.h" +#include "mozilla/dom/HTMLTableRowElementBinding.h" +#include "nsContentList.h" +#include "nsContentUtils.h" + +NS_IMPL_NS_NEW_HTML_ELEMENT(TableRow) + +namespace mozilla::dom { + +HTMLTableRowElement::~HTMLTableRowElement() = default; + +JSObject* HTMLTableRowElement::WrapNode(JSContext* aCx, + JS::Handle<JSObject*> aGivenProto) { + return HTMLTableRowElement_Binding::Wrap(aCx, this, aGivenProto); +} + +NS_IMPL_CYCLE_COLLECTION_INHERITED(HTMLTableRowElement, nsGenericHTMLElement, + mCells) + +NS_IMPL_ISUPPORTS_CYCLE_COLLECTION_INHERITED_0(HTMLTableRowElement, + nsGenericHTMLElement) + +NS_IMPL_ELEMENT_CLONE(HTMLTableRowElement) + +// protected method +HTMLTableSectionElement* HTMLTableRowElement::GetSection() const { + nsIContent* parent = GetParent(); + if (parent && parent->IsAnyOfHTMLElements(nsGkAtoms::thead, nsGkAtoms::tbody, + nsGkAtoms::tfoot)) { + return static_cast<HTMLTableSectionElement*>(parent); + } + return nullptr; +} + +// protected method +HTMLTableElement* HTMLTableRowElement::GetTable() const { + nsIContent* parent = GetParent(); + if (!parent) { + return nullptr; + } + + // We may not be in a section + HTMLTableElement* table = HTMLTableElement::FromNode(parent); + if (table) { + return table; + } + + return HTMLTableElement::FromNodeOrNull(parent->GetParent()); +} + +int32_t HTMLTableRowElement::RowIndex() const { + HTMLTableElement* table = GetTable(); + if (!table) { + return -1; + } + + nsIHTMLCollection* rows = table->Rows(); + + uint32_t numRows = rows->Length(); + + for (uint32_t i = 0; i < numRows; i++) { + if (rows->GetElementAt(i) == this) { + return i; + } + } + + return -1; +} + +int32_t HTMLTableRowElement::SectionRowIndex() const { + HTMLTableSectionElement* section = GetSection(); + if (!section) { + return -1; + } + + nsCOMPtr<nsIHTMLCollection> coll = section->Rows(); + uint32_t numRows = coll->Length(); + for (uint32_t i = 0; i < numRows; i++) { + if (coll->GetElementAt(i) == this) { + return i; + } + } + + return -1; +} + +static bool IsCell(Element* aElement, int32_t aNamespaceID, nsAtom* aAtom, + void* aData) { + return aElement->IsAnyOfHTMLElements(nsGkAtoms::td, nsGkAtoms::th); +} + +nsIHTMLCollection* HTMLTableRowElement::Cells() { + if (!mCells) { + mCells = new nsContentList(this, IsCell, + nullptr, // destroy func + nullptr, // closure data + false, nullptr, kNameSpaceID_XHTML, false); + } + + return mCells; +} + +already_AddRefed<nsGenericHTMLElement> HTMLTableRowElement::InsertCell( + int32_t aIndex, ErrorResult& aError) { + if (aIndex < -1) { + aError.Throw(NS_ERROR_DOM_INDEX_SIZE_ERR); + return nullptr; + } + + // Make sure mCells is initialized. + nsIHTMLCollection* cells = Cells(); + + NS_ASSERTION(mCells, "How did that happen?"); + + nsCOMPtr<nsINode> nextSibling; + // -1 means append, so should use null nextSibling + if (aIndex != -1) { + nextSibling = cells->Item(aIndex); + // Check whether we're inserting past end of list. We want to avoid doing + // this unless we really have to, since this has to walk all our kids. If + // we have a nextSibling, we're clearly not past end of list. + if (!nextSibling) { + uint32_t cellCount = cells->Length(); + if (aIndex > int32_t(cellCount)) { + aError.Throw(NS_ERROR_DOM_INDEX_SIZE_ERR); + return nullptr; + } + } + } + + // create the cell + RefPtr<mozilla::dom::NodeInfo> nodeInfo; + nsContentUtils::QNameChanged(mNodeInfo, nsGkAtoms::td, + getter_AddRefs(nodeInfo)); + + RefPtr<nsGenericHTMLElement> cell = + NS_NewHTMLTableCellElement(nodeInfo.forget()); + if (!cell) { + aError.Throw(NS_ERROR_OUT_OF_MEMORY); + return nullptr; + } + + nsINode::InsertBefore(*cell, nextSibling, aError); + + return cell.forget(); +} + +void HTMLTableRowElement::DeleteCell(int32_t aValue, ErrorResult& aError) { + if (aValue < -1) { + aError.Throw(NS_ERROR_DOM_INDEX_SIZE_ERR); + return; + } + + nsIHTMLCollection* cells = Cells(); + + uint32_t refIndex; + if (aValue == -1) { + refIndex = cells->Length(); + if (refIndex == 0) { + return; + } + + --refIndex; + } else { + refIndex = (uint32_t)aValue; + } + + nsCOMPtr<nsINode> cell = cells->Item(refIndex); + if (!cell) { + aError.Throw(NS_ERROR_DOM_INDEX_SIZE_ERR); + return; + } + + nsINode::RemoveChild(*cell, aError); +} + +bool HTMLTableRowElement::ParseAttribute(int32_t aNamespaceID, + nsAtom* aAttribute, + const nsAString& aValue, + nsIPrincipal* aMaybeScriptedPrincipal, + nsAttrValue& aResult) { + /* + * ignore these attributes, stored simply as strings + * + * ch + */ + + if (aNamespaceID == kNameSpaceID_None) { + if (aAttribute == nsGkAtoms::height) { + // Per spec should be ParseNonzeroHTMLDimension, but no browsers do that. + // See https://github.com/whatwg/html/issues/4716 + return aResult.ParseHTMLDimension(aValue); + } + if (aAttribute == nsGkAtoms::align) { + return ParseTableCellHAlignValue(aValue, aResult); + } + if (aAttribute == nsGkAtoms::bgcolor) { + return aResult.ParseColor(aValue); + } + if (aAttribute == nsGkAtoms::valign) { + return ParseTableVAlignValue(aValue, aResult); + } + } + + return nsGenericHTMLElement::ParseBackgroundAttribute( + aNamespaceID, aAttribute, aValue, aResult) || + nsGenericHTMLElement::ParseAttribute(aNamespaceID, aAttribute, aValue, + aMaybeScriptedPrincipal, aResult); +} + +void HTMLTableRowElement::MapAttributesIntoRule( + const nsMappedAttributes* aAttributes, MappedDeclarations& aDecls) { + nsGenericHTMLElement::MapHeightAttributeInto(aAttributes, aDecls); + nsGenericHTMLElement::MapDivAlignAttributeInto(aAttributes, aDecls); + nsGenericHTMLElement::MapVAlignAttributeInto(aAttributes, aDecls); + nsGenericHTMLElement::MapBackgroundAttributesInto(aAttributes, aDecls); + nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aDecls); +} + +NS_IMETHODIMP_(bool) +HTMLTableRowElement::IsAttributeMapped(const nsAtom* aAttribute) const { + static const MappedAttributeEntry attributes[] = { + {nsGkAtoms::align}, {nsGkAtoms::valign}, {nsGkAtoms::height}, {nullptr}}; + + static const MappedAttributeEntry* const map[] = { + attributes, + sCommonAttributeMap, + sBackgroundAttributeMap, + }; + + return FindAttributeDependence(aAttribute, map); +} + +nsMapRuleToAttributesFunc HTMLTableRowElement::GetAttributeMappingFunction() + const { + return &MapAttributesIntoRule; +} + +} // namespace mozilla::dom |