1 files changed, 72 insertions, 0 deletions
diff --git a/dom/grid/GridLine.cpp b/dom/grid/GridLine.cpp
new file mode 100644
index 0000000000..ce65b5bbd8
--- /dev/null
+++ b/dom/grid/GridLine.cpp
@@ -0,0 +1,72 @@
+/* -*- 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 "GridLine.h"
+
+#include "GridLines.h"
+#include "mozilla/dom/GridBinding.h"
+#include "nsAtom.h"
+
+namespace mozilla::dom {
+
+NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(GridLine, mParent)
+NS_IMPL_CYCLE_COLLECTING_ADDREF(GridLine)
+NS_IMPL_CYCLE_COLLECTING_RELEASE(GridLine)
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(GridLine)
+  NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
+  NS_INTERFACE_MAP_ENTRY(nsISupports)
+NS_INTERFACE_MAP_END
+
+GridLine::GridLine(GridLines* aParent)
+    : mParent(aParent),
+      mStart(0.0),
+      mBreadth(0.0),
+      mType(GridDeclaration::Implicit),
+      mNumber(0),
+      mNegativeNumber(0) {
+  MOZ_ASSERT(aParent, "Should never be instantiated with a null GridLines");
+}
+
+GridLine::~GridLine() = default;
+
+void GridLine::GetNames(nsTArray<nsString>& aNames) const {
+  aNames.SetCapacity(mNames.Length());
+  for (auto& name : mNames) {
+    aNames.AppendElement(nsDependentAtomString(name));
+  }
+}
+
+JSObject* GridLine::WrapObject(JSContext* aCx,
+                               JS::Handle<JSObject*> aGivenProto) {
+  return GridLine_Binding::Wrap(aCx, this, aGivenProto);
+}
+
+double GridLine::Start() const { return mStart; }
+
+double GridLine::Breadth() const { return mBreadth; }
+
+GridDeclaration GridLine::Type() const { return mType; }
+
+uint32_t GridLine::Number() const { return mNumber; }
+
+int32_t GridLine::NegativeNumber() const { return mNegativeNumber; }
+
+void GridLine::SetLineValues(const nsTArray<RefPtr<nsAtom>>& aNames,
+                             double aStart, double aBreadth, uint32_t aNumber,
+                             int32_t aNegativeNumber, GridDeclaration aType) {
+  mNames = aNames.Clone();
+  mStart = aStart;
+  mBreadth = aBreadth;
+  mNumber = aNumber;
+  mNegativeNumber = aNegativeNumber;
+  mType = aType;
+}
+
+void GridLine::SetLineNames(const nsTArray<RefPtr<nsAtom>>& aNames) {
+  mNames = aNames.Clone();
+}
+
+}  // namespace mozilla::dom