Files
basilisk55/dom/base/DOMPoint.cpp
T

103 lines
3.1 KiB
C++

/* -*- 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 "mozilla/dom/DOMPointBinding.h"
#include "mozilla/dom/BindingDeclarations.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, ErrorResult& aRV)
{
RefPtr<DOMPointReadOnly> obj =
new DOMPointReadOnly(aGlobal.GetAsSupports(), aX, aY, aZ, aW);
return obj.forget();
}
JSObject*
DOMPointReadOnly::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
{
return DOMPointReadOnlyBinding::Wrap(aCx, this, aGivenProto);
}
// https://drafts.fxtf.org/geometry/#structured-serialization
bool
DOMPointReadOnly::WriteStructuredClone(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
}
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, ErrorResult& aRV)
{
RefPtr<DOMPoint> obj =
new DOMPoint(aGlobal.GetAsSupports(), aX, aY, aZ, aW);
return obj.forget();
}
JSObject*
DOMPoint::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
{
return DOMPointBinding::Wrap(aCx, this, aGivenProto);
}