mirror of
https://github.com/mozilla/gecko-dev.git
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231 lines
6.7 KiB
C++
231 lines
6.7 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/HTMLTableSectionElement.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/HTMLTableSectionElementBinding.h"
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#include "nsContentUtils.h"
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NS_IMPL_NS_NEW_HTML_ELEMENT(TableSection)
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namespace mozilla {
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namespace dom {
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// you will see the phrases "rowgroup" and "section" used interchangably
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HTMLTableSectionElement::~HTMLTableSectionElement()
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{
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}
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JSObject*
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HTMLTableSectionElement::WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto)
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{
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return HTMLTableSectionElementBinding::Wrap(aCx, this, aGivenProto);
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}
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NS_IMPL_CYCLE_COLLECTION_CLASS(HTMLTableSectionElement)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(HTMLTableSectionElement,
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nsGenericHTMLElement)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mRows)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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NS_IMPL_ADDREF_INHERITED(HTMLTableSectionElement, Element)
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NS_IMPL_RELEASE_INHERITED(HTMLTableSectionElement, Element)
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// QueryInterface implementation for HTMLTableSectionElement
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(HTMLTableSectionElement)
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NS_INTERFACE_MAP_END_INHERITING(nsGenericHTMLElement)
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NS_IMPL_ELEMENT_CLONE(HTMLTableSectionElement)
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nsIHTMLCollection*
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HTMLTableSectionElement::Rows()
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{
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if (!mRows) {
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mRows = new nsContentList(this,
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mNodeInfo->NamespaceID(),
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nsGkAtoms::tr,
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nsGkAtoms::tr,
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false);
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}
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return mRows;
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}
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already_AddRefed<nsGenericHTMLElement>
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HTMLTableSectionElement::InsertRow(int32_t aIndex, 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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nsIHTMLCollection* rows = Rows();
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uint32_t rowCount = rows->Length();
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if (aIndex > (int32_t)rowCount) {
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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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bool doInsert = (aIndex < int32_t(rowCount)) && (aIndex != -1);
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// create the row
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RefPtr<mozilla::dom::NodeInfo> nodeInfo;
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nsContentUtils::NameChanged(mNodeInfo, nsGkAtoms::tr,
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getter_AddRefs(nodeInfo));
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RefPtr<nsGenericHTMLElement> rowContent =
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NS_NewHTMLTableRowElement(nodeInfo.forget());
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if (!rowContent) {
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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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if (doInsert) {
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nsINode::InsertBefore(*rowContent, rows->Item(aIndex), aError);
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} else {
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nsINode::AppendChild(*rowContent, aError);
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}
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return rowContent.forget();
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}
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void
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HTMLTableSectionElement::DeleteRow(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* rows = Rows();
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uint32_t refIndex;
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if (aValue == -1) {
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refIndex = rows->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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nsINode* row = rows->Item(refIndex);
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if (!row) {
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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(*row, aError);
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}
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bool
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HTMLTableSectionElement::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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if (aNamespaceID == kNameSpaceID_None) {
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/* ignore these attributes, stored simply as strings
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ch
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*/
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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::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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HTMLTableSectionElement::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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}
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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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HTMLTableSectionElement::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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HTMLTableSectionElement::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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