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/* -*- 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();
;
}
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