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