1 files changed, 89 insertions, 0 deletions
diff --git a/dom/base/DOMQuad.h b/dom/base/DOMQuad.h
new file mode 100644
index 0000000000..f6ca36f602
--- /dev/null
+++ b/dom/base/DOMQuad.h
@@ -0,0 +1,89 @@
+/* -*- 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_DOMQUAD_H_
+#define MOZILLA_DOMQUAD_H_
+
+#include <cstdint>
+#include "Units.h"
+#include "js/TypeDecls.h"
+#include "mozilla/AlreadyAddRefed.h"
+#include "mozilla/Assertions.h"
+#include "mozilla/RefPtr.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::dom {
+
+class DOMRectReadOnly;
+class DOMPoint;
+class GlobalObject;
+struct DOMPointInit;
+struct DOMQuadInit;
+struct DOMRectInit;
+
+class DOMQuad final : public nsWrapperCache {
+  ~DOMQuad();
+
+ public:
+  DOMQuad(nsISupports* aParent, CSSPoint aPoints[4]);
+  explicit DOMQuad(nsISupports* aParent);
+
+  NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(DOMQuad)
+  NS_DECL_CYCLE_COLLECTION_NATIVE_WRAPPERCACHE_CLASS(DOMQuad)
+
+  nsISupports* GetParentObject() const { return mParent; }
+  virtual JSObject* WrapObject(JSContext* aCx,
+                               JS::Handle<JSObject*> aGivenProto) override;
+
+  static already_AddRefed<DOMQuad> FromRect(const GlobalObject& aGlobal,
+                                            const DOMRectInit& aInit);
+
+  static already_AddRefed<DOMQuad> FromQuad(const GlobalObject& aGlobal,
+                                            const DOMQuadInit& aInit);
+
+  static already_AddRefed<DOMQuad> Constructor(const GlobalObject& aGlobal,
+                                               const DOMPointInit& aP1,
+                                               const DOMPointInit& aP2,
+                                               const DOMPointInit& aP3,
+                                               const DOMPointInit& aP4);
+  static already_AddRefed<DOMQuad> Constructor(const GlobalObject& aGlobal,
+                                               const DOMRectReadOnly& aRect);
+
+  already_AddRefed<DOMRectReadOnly> GetBounds() const;
+  DOMPoint* P1() const { return mPoints[0]; }
+  DOMPoint* P2() const { return mPoints[1]; }
+  DOMPoint* P3() const { return mPoints[2]; }
+  DOMPoint* P4() const { return mPoints[3]; }
+
+  DOMPoint* Point(uint32_t aIndex) const { return mPoints[aIndex]; }
+
+  bool WriteStructuredClone(JSContext* aCx,
+                            JSStructuredCloneWriter* aWriter) const;
+
+  static already_AddRefed<DOMQuad> ReadStructuredClone(
+      JSContext* aCx, nsIGlobalObject* aGlobal,
+      JSStructuredCloneReader* aReader);
+
+ protected:
+  void GetHorizontalMinMax(double* aX1, double* aX2) const;
+  void GetVerticalMinMax(double* aY1, double* aY2) const;
+
+  nsCOMPtr<nsISupports> mParent;
+  RefPtr<DOMPoint> mPoints[4];
+};
+
+}  // namespace mozilla::dom
+
+#endif /*MOZILLA_DOMRECT_H_*/