forked from mirrors/gecko-dev
329 lines
8.9 KiB
C++
329 lines
8.9 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/dom/HTMLTableRowElement.h"
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#include "mozilla/dom/HTMLTableElement.h"
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#include "nsMappedAttributes.h"
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#include "nsAttrValueInlines.h"
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#include "nsRuleData.h"
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#include "mozilla/dom/BindingUtils.h"
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#include "mozilla/dom/HTMLTableRowElementBinding.h"
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#include "nsContentList.h"
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#include "nsContentUtils.h"
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NS_IMPL_NS_NEW_HTML_ELEMENT(TableRow)
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namespace mozilla {
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namespace dom {
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HTMLTableRowElement::~HTMLTableRowElement()
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{
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}
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JSObject*
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HTMLTableRowElement::WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto)
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{
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return HTMLTableRowElementBinding::Wrap(aCx, this, aGivenProto);
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}
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NS_IMPL_CYCLE_COLLECTION_CLASS(HTMLTableRowElement)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(HTMLTableRowElement,
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nsGenericHTMLElement)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mCells)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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NS_IMPL_ADDREF_INHERITED(HTMLTableRowElement, Element)
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NS_IMPL_RELEASE_INHERITED(HTMLTableRowElement, Element)
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// QueryInterface implementation for HTMLTableRowElement
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(HTMLTableRowElement)
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NS_INTERFACE_MAP_END_INHERITING(nsGenericHTMLElement)
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NS_IMPL_ELEMENT_CLONE(HTMLTableRowElement)
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// protected method
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HTMLTableSectionElement*
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HTMLTableRowElement::GetSection() const
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{
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nsIContent* parent = GetParent();
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if (parent &&
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parent->IsAnyOfHTMLElements(nsGkAtoms::thead,
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nsGkAtoms::tbody,
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nsGkAtoms::tfoot)) {
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return static_cast<HTMLTableSectionElement*>(parent);
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}
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return nullptr;
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}
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// protected method
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HTMLTableElement*
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HTMLTableRowElement::GetTable() const
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{
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nsIContent* parent = GetParent();
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if (!parent) {
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return nullptr;
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}
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// We may not be in a section
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HTMLTableElement* table = HTMLTableElement::FromContent(parent);
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if (table) {
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return table;
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}
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return HTMLTableElement::FromContentOrNull(parent->GetParent());
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}
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int32_t
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HTMLTableRowElement::RowIndex() const
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{
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HTMLTableElement* table = GetTable();
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if (!table) {
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return -1;
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}
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nsIHTMLCollection* rows = table->Rows();
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uint32_t numRows = rows->Length();
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for (uint32_t i = 0; i < numRows; i++) {
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if (rows->GetElementAt(i) == this) {
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return i;
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}
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}
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return -1;
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}
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int32_t
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HTMLTableRowElement::SectionRowIndex() const
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{
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HTMLTableSectionElement* section = GetSection();
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if (!section) {
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return -1;
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}
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nsCOMPtr<nsIHTMLCollection> coll = section->Rows();
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uint32_t numRows = coll->Length();
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for (uint32_t i = 0; i < numRows; i++) {
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if (coll->GetElementAt(i) == this) {
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return i;
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}
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}
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return -1;
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}
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static bool
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IsCell(nsIContent *aContent, int32_t aNamespaceID,
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nsIAtom* aAtom, void *aData)
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{
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return aContent->IsAnyOfHTMLElements(nsGkAtoms::td, nsGkAtoms::th);
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}
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nsIHTMLCollection*
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HTMLTableRowElement::Cells()
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{
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if (!mCells) {
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mCells = new nsContentList(this,
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IsCell,
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nullptr, // destroy func
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nullptr, // closure data
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false,
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nullptr,
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kNameSpaceID_XHTML,
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false);
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}
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return mCells;
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}
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already_AddRefed<nsGenericHTMLElement>
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HTMLTableRowElement::InsertCell(int32_t aIndex,
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ErrorResult& aError)
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{
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if (aIndex < -1) {
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aError.Throw(NS_ERROR_DOM_INDEX_SIZE_ERR);
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return nullptr;
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}
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// Make sure mCells is initialized.
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nsIHTMLCollection* cells = Cells();
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NS_ASSERTION(mCells, "How did that happen?");
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nsCOMPtr<nsINode> nextSibling;
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// -1 means append, so should use null nextSibling
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if (aIndex != -1) {
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nextSibling = cells->Item(aIndex);
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// Check whether we're inserting past end of list. We want to avoid doing
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// this unless we really have to, since this has to walk all our kids. If
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// we have a nextSibling, we're clearly not past end of list.
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if (!nextSibling) {
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uint32_t cellCount = cells->Length();
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if (aIndex > int32_t(cellCount)) {
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aError.Throw(NS_ERROR_DOM_INDEX_SIZE_ERR);
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return nullptr;
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}
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}
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}
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// create the cell
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RefPtr<mozilla::dom::NodeInfo> nodeInfo;
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nsContentUtils::NameChanged(mNodeInfo, nsGkAtoms::td,
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getter_AddRefs(nodeInfo));
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RefPtr<nsGenericHTMLElement> cell =
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NS_NewHTMLTableCellElement(nodeInfo.forget());
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if (!cell) {
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aError.Throw(NS_ERROR_OUT_OF_MEMORY);
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return nullptr;
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}
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nsINode::InsertBefore(*cell, nextSibling, aError);
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return cell.forget();
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}
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void
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HTMLTableRowElement::DeleteCell(int32_t aValue, ErrorResult& aError)
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{
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if (aValue < -1) {
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aError.Throw(NS_ERROR_DOM_INDEX_SIZE_ERR);
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return;
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}
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nsIHTMLCollection* cells = Cells();
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uint32_t refIndex;
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if (aValue == -1) {
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refIndex = cells->Length();
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if (refIndex == 0) {
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return;
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}
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--refIndex;
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}
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else {
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refIndex = (uint32_t)aValue;
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}
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nsCOMPtr<nsINode> cell = cells->Item(refIndex);
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if (!cell) {
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aError.Throw(NS_ERROR_DOM_INDEX_SIZE_ERR);
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return;
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}
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nsINode::RemoveChild(*cell, aError);
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}
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bool
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HTMLTableRowElement::ParseAttribute(int32_t aNamespaceID,
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nsIAtom* aAttribute,
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const nsAString& aValue,
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nsAttrValue& aResult)
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{
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/*
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* ignore these attributes, stored simply as strings
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*
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* ch
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*/
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if (aNamespaceID == kNameSpaceID_None) {
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if (aAttribute == nsGkAtoms::charoff) {
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return aResult.ParseIntWithBounds(aValue, 0);
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}
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if (aAttribute == nsGkAtoms::height) {
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return aResult.ParseSpecialIntValue(aValue);
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}
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if (aAttribute == nsGkAtoms::width) {
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return aResult.ParseSpecialIntValue(aValue);
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}
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if (aAttribute == nsGkAtoms::align) {
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return ParseTableCellHAlignValue(aValue, aResult);
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}
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if (aAttribute == nsGkAtoms::bgcolor) {
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return aResult.ParseColor(aValue);
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}
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if (aAttribute == nsGkAtoms::valign) {
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return ParseTableVAlignValue(aValue, aResult);
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}
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}
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return nsGenericHTMLElement::ParseBackgroundAttribute(aNamespaceID,
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aAttribute, aValue,
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aResult) ||
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nsGenericHTMLElement::ParseAttribute(aNamespaceID, aAttribute, aValue,
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aResult);
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}
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void
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HTMLTableRowElement::MapAttributesIntoRule(const nsMappedAttributes* aAttributes,
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nsRuleData* aData)
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{
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if (aData->mSIDs & NS_STYLE_INHERIT_BIT(Position)) {
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// height: value
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nsCSSValue* height = aData->ValueForHeight();
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if (height->GetUnit() == eCSSUnit_Null) {
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const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::height);
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if (value && value->Type() == nsAttrValue::eInteger)
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height->SetFloatValue((float)value->GetIntegerValue(), eCSSUnit_Pixel);
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else if (value && value->Type() == nsAttrValue::ePercent)
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height->SetPercentValue(value->GetPercentValue());
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}
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}
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if (aData->mSIDs & NS_STYLE_INHERIT_BIT(Text)) {
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nsCSSValue* textAlign = aData->ValueForTextAlign();
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if (textAlign->GetUnit() == eCSSUnit_Null) {
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// align: enum
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const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::align);
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if (value && value->Type() == nsAttrValue::eEnum)
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textAlign->SetIntValue(value->GetEnumValue(), eCSSUnit_Enumerated);
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}
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}
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if (aData->mSIDs & NS_STYLE_INHERIT_BIT(Display)) {
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nsCSSValue* verticalAlign = aData->ValueForVerticalAlign();
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if (verticalAlign->GetUnit() == eCSSUnit_Null) {
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// valign: enum
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const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::valign);
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if (value && value->Type() == nsAttrValue::eEnum)
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verticalAlign->SetIntValue(value->GetEnumValue(), eCSSUnit_Enumerated);
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}
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}
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nsGenericHTMLElement::MapBackgroundAttributesInto(aAttributes, aData);
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nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aData);
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}
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NS_IMETHODIMP_(bool)
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HTMLTableRowElement::IsAttributeMapped(const nsIAtom* aAttribute) const
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{
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static const MappedAttributeEntry attributes[] = {
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{ &nsGkAtoms::align },
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{ &nsGkAtoms::valign },
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{ &nsGkAtoms::height },
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{ nullptr }
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};
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static const MappedAttributeEntry* const map[] = {
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attributes,
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sCommonAttributeMap,
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sBackgroundAttributeMap,
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};
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return FindAttributeDependence(aAttribute, map);
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}
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nsMapRuleToAttributesFunc
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HTMLTableRowElement::GetAttributeMappingFunction() const
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{
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return &MapAttributesIntoRule;
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}
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} // namespace dom
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} // namespace mozilla
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