1 files changed, 107 insertions, 0 deletions
diff --git a/dom/base/DOMPoint.h b/dom/base/DOMPoint.h
new file mode 100644
index 0000000000..7107a1e0d0
--- /dev/null
+++ b/dom/base/DOMPoint.h
@@ -0,0 +1,107 @@
+/* -*- 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/. */
+
+#ifndef MOZILLA_DOMPOINT_H_
+#define MOZILLA_DOMPOINT_H_
+
+#include "js/TypeDecls.h"
+#include "mozilla/AlreadyAddRefed.h"
+#include "mozilla/Assertions.h"
+#include "nsCOMPtr.h"
+#include "nsCycleCollectionParticipant.h"
+#include "nsISupports.h"
+#include "nsWrapperCache.h"
+
+class JSObject;
+class nsIGlobalObject;
+struct JSContext;
+struct JSStructuredCloneReader;
+struct JSStructuredCloneWriter;
+
+namespace mozilla {
+class ErrorResult;
+
+namespace dom {
+
+class GlobalObject;
+class DOMPoint;
+struct DOMPointInit;
+struct DOMMatrixInit;
+
+class DOMPointReadOnly : public nsWrapperCache {
+ public:
+  explicit DOMPointReadOnly(nsISupports* aParent, double aX = 0.0,
+                            double aY = 0.0, double aZ = 0.0, double aW = 1.0)
+      : mParent(aParent), mX(aX), mY(aY), mZ(aZ), mW(aW) {}
+
+  static already_AddRefed<DOMPointReadOnly> FromPoint(
+      const GlobalObject& aGlobal, const DOMPointInit& aParams);
+  static already_AddRefed<DOMPointReadOnly> Constructor(
+      const GlobalObject& aGlobal, double aX, double aY, double aZ, double aW);
+
+  NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(DOMPointReadOnly)
+  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(DOMPointReadOnly)
+
+  double X() const { return mX; }
+  double Y() const { return mY; }
+  double Z() const { return mZ; }
+  double W() const { return mW; }
+
+  already_AddRefed<DOMPoint> MatrixTransform(const DOMMatrixInit& aInit,
+                                             ErrorResult& aRv);
+
+  nsISupports* GetParentObject() const { return mParent; }
+  virtual JSObject* WrapObject(JSContext* aCx,
+                               JS::Handle<JSObject*> aGivenProto) override;
+
+  bool WriteStructuredClone(JSContext* aCx,
+                            JSStructuredCloneWriter* aWriter) const;
+
+  static already_AddRefed<DOMPointReadOnly> ReadStructuredClone(
+      JSContext* aCx, nsIGlobalObject* aGlobal,
+      JSStructuredCloneReader* aReader);
+
+ protected:
+  virtual ~DOMPointReadOnly() = default;
+
+  // Shared implementation of ReadStructuredClone for DOMPoint and
+  // DOMPointReadOnly.
+  bool ReadStructuredClone(JSStructuredCloneReader* aReader);
+
+  nsCOMPtr<nsISupports> mParent;
+  double mX, mY, mZ, mW;
+};
+
+class DOMPoint final : public DOMPointReadOnly {
+ public:
+  explicit DOMPoint(nsISupports* aParent, double aX = 0.0, double aY = 0.0,
+                    double aZ = 0.0, double aW = 1.0)
+      : DOMPointReadOnly(aParent, aX, aY, aZ, aW) {}
+
+  static already_AddRefed<DOMPoint> FromPoint(const GlobalObject& aGlobal,
+                                              const DOMPointInit& aParams);
+  static already_AddRefed<DOMPoint> Constructor(const GlobalObject& aGlobal,
+                                                double aX, double aY, double aZ,
+                                                double aW);
+
+  virtual JSObject* WrapObject(JSContext* aCx,
+                               JS::Handle<JSObject*> aGivenProto) override;
+
+  static already_AddRefed<DOMPoint> ReadStructuredClone(
+      JSContext* aCx, nsIGlobalObject* aGlobal,
+      JSStructuredCloneReader* aReader);
+  using DOMPointReadOnly::ReadStructuredClone;
+
+  void SetX(double aX) { mX = aX; }
+  void SetY(double aY) { mY = aY; }
+  void SetZ(double aZ) { mZ = aZ; }
+  void SetW(double aW) { mW = aW; }
+};
+
+}  // namespace dom
+}  // namespace mozilla
+
+#endif /*MOZILLA_DOMPOINT_H_*/