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-rw-r--r--dom/base/DOMPoint.cpp136
1 files changed, 136 insertions, 0 deletions
diff --git a/dom/base/DOMPoint.cpp b/dom/base/DOMPoint.cpp
new file mode 100644
index 0000000000..1a91ea26ce
--- /dev/null
+++ b/dom/base/DOMPoint.cpp
@@ -0,0 +1,136 @@
+/* -*- 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)
+
+NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(DOMPointReadOnly, AddRef)
+NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(DOMPointReadOnly, Release)
+
+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();
+ ;
+}