import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

dom/grid/GridTrack.cpp

@@ -0,0 +1,80 @@
+/* -*- 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 "GridTrack.h"
+
+#include "GridTracks.h"
+#include "mozilla/dom/GridBinding.h"
+
+namespace mozilla {
+namespace dom {
+
+NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(GridTrack, mParent)
+NS_IMPL_CYCLE_COLLECTING_ADDREF(GridTrack)
+NS_IMPL_CYCLE_COLLECTING_RELEASE(GridTrack)
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(GridTrack)
+  NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
+  NS_INTERFACE_MAP_ENTRY(nsISupports)
+NS_INTERFACE_MAP_END
+
+GridTrack::GridTrack(GridTracks* aParent)
+  : mParent(aParent)
+  , mStart(0.0)
+  , mBreadth(0.0)
+  , mType(GridDeclaration::Implicit)
+  , mState(GridTrackState::Static)
+{
+  MOZ_ASSERT(aParent, "Should never be instantiated with a null GridTracks");
+}
+
+GridTrack::~GridTrack()
+{
+}
+
+JSObject*
+GridTrack::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
+{
+  return GridTrackBinding::Wrap(aCx, this, aGivenProto);
+}
+
+double
+GridTrack::Start() const
+{
+  return mStart;
+}
+
+double
+GridTrack::Breadth() const
+{
+  return mBreadth;
+}
+
+GridDeclaration
+GridTrack::Type() const
+{
+  return mType;
+}
+
+GridTrackState
+GridTrack::State() const
+{
+  return mState;
+}
+
+void
+GridTrack::SetTrackValues(double aStart,
+                          double aBreadth,
+                          GridDeclaration aType,
+                          GridTrackState aState)
+{
+  mStart = aStart;
+  mBreadth = aBreadth;
+  mType = aType;
+  mState = aState;
+}
+
+} // namespace dom
+} // namespace mozilla