1 files changed, 133 insertions, 0 deletions
diff --git a/dom/base/DOMPoint.cpp b/dom/base/DOMPoint.cpp
new file mode 100644
index 0000000000..510bb76b07
--- /dev/null
+++ b/dom/base/DOMPoint.cpp
@@ -0,0 +1,133 @@
+/* -*- 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/DOMPoint.h"
+
+#include <cstdint>
+#include "js/StructuredClone.h"
+#include "mozilla/Casting.h"
+#include "mozilla/ErrorResult.h"
+#include "mozilla/MacroForEach.h"
+#include "mozilla/RefPtr.h"
+#include "mozilla/dom/BindingDeclarations.h"
+#include "mozilla/dom/DOMMatrix.h"
+#include "mozilla/dom/DOMPointBinding.h"
+#include "nsIGlobalObject.h"
+
+using namespace mozilla;
+using namespace mozilla::dom;
+
+NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(DOMPointReadOnly, mParent)
+
+already_AddRefed<DOMPointReadOnly> DOMPointReadOnly::FromPoint(
+    const GlobalObject& aGlobal, const DOMPointInit& aParams) {
+  RefPtr<DOMPointReadOnly> obj = new DOMPointReadOnly(
+      aGlobal.GetAsSupports(), aParams.mX, aParams.mY, aParams.mZ, aParams.mW);
+  return obj.forget();
+}
+
+already_AddRefed<DOMPointReadOnly> DOMPointReadOnly::Constructor(
+    const GlobalObject& aGlobal, double aX, double aY, double aZ, double aW) {
+  RefPtr<DOMPointReadOnly> obj =
+      new DOMPointReadOnly(aGlobal.GetAsSupports(), aX, aY, aZ, aW);
+  return obj.forget();
+}
+
+JSObject* DOMPointReadOnly::WrapObject(JSContext* aCx,
+                                       JS::Handle<JSObject*> aGivenProto) {
+  return DOMPointReadOnly_Binding::Wrap(aCx, this, aGivenProto);
+}
+
+already_AddRefed<DOMPoint> DOMPointReadOnly::MatrixTransform(
+    const DOMMatrixInit& aInit, ErrorResult& aRv) {
+  RefPtr<DOMMatrixReadOnly> matrix =
+      DOMMatrixReadOnly::FromMatrix(mParent, aInit, aRv);
+  if (aRv.Failed()) {
+    return nullptr;
+  }
+  DOMPointInit init;
+  init.mX = this->mX;
+  init.mY = this->mY;
+  init.mZ = this->mZ;
+  init.mW = this->mW;
+  RefPtr<DOMPoint> point = matrix->TransformPoint(init);
+  return point.forget();
+}
+
+// https://drafts.fxtf.org/geometry/#structured-serialization
+bool DOMPointReadOnly::WriteStructuredClone(
+    JSContext* aCx, JSStructuredCloneWriter* aWriter) const {
+#define WriteDouble(d)                                                       \
+  JS_WriteUint32Pair(aWriter, (BitwiseCast<uint64_t>(d) >> 32) & 0xffffffff, \
+                     BitwiseCast<uint64_t>(d) & 0xffffffff)
+
+  return WriteDouble(mX) && WriteDouble(mY) && WriteDouble(mZ) &&
+         WriteDouble(mW);
+
+#undef WriteDouble
+}
+
+// static
+already_AddRefed<DOMPointReadOnly> DOMPointReadOnly::ReadStructuredClone(
+    JSContext* aCx, nsIGlobalObject* aGlobal,
+    JSStructuredCloneReader* aReader) {
+  RefPtr<DOMPointReadOnly> retval = new DOMPointReadOnly(aGlobal);
+  if (!retval->ReadStructuredClone(aReader)) {
+    return nullptr;
+  }
+  return retval.forget();
+  ;
+}
+
+bool DOMPointReadOnly::ReadStructuredClone(JSStructuredCloneReader* aReader) {
+  uint32_t high;
+  uint32_t low;
+
+#define ReadDouble(d)                             \
+  if (!JS_ReadUint32Pair(aReader, &high, &low)) { \
+    return false;                                 \
+  }                                               \
+  (*(d) = BitwiseCast<double>(static_cast<uint64_t>(high) << 32 | low))
+
+  ReadDouble(&mX);
+  ReadDouble(&mY);
+  ReadDouble(&mZ);
+  ReadDouble(&mW);
+
+  return true;
+#undef ReadDouble
+}
+
+already_AddRefed<DOMPoint> DOMPoint::FromPoint(const GlobalObject& aGlobal,
+                                               const DOMPointInit& aParams) {
+  RefPtr<DOMPoint> obj = new DOMPoint(aGlobal.GetAsSupports(), aParams.mX,
+                                      aParams.mY, aParams.mZ, aParams.mW);
+  return obj.forget();
+}
+
+already_AddRefed<DOMPoint> DOMPoint::Constructor(const GlobalObject& aGlobal,
+                                                 double aX, double aY,
+                                                 double aZ, double aW) {
+  RefPtr<DOMPoint> obj = new DOMPoint(aGlobal.GetAsSupports(), aX, aY, aZ, aW);
+  return obj.forget();
+}
+
+JSObject* DOMPoint::WrapObject(JSContext* aCx,
+                               JS::Handle<JSObject*> aGivenProto) {
+  return DOMPoint_Binding::Wrap(aCx, this, aGivenProto);
+}
+
+// static
+already_AddRefed<DOMPoint> DOMPoint::ReadStructuredClone(
+    JSContext* aCx, nsIGlobalObject* aGlobal,
+    JSStructuredCloneReader* aReader) {
+  RefPtr<DOMPoint> retval = new DOMPoint(aGlobal);
+  if (!retval->ReadStructuredClone(aReader)) {
+    return nullptr;
+  }
+  return retval.forget();
+  ;
+}