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Issue #2241 - Part 5: Expose Geometry interfaces to web workers.

Browse source 
Exposes DOMMatrix, DOMPoint, DOMQuad, and DOMRect to workers.

Backported from Mozilla bug 1420580.
This commit is contained in:
Job Bautista 2023-05-12 13:45:39 +08:00 • committed by roytam1
commit c3042a2f41
14 changed files with 404 additions and 16 deletions
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105
dom/base/DOMMatrix.cpp
View file

@ -64,6 +64,24 @@ DOMMatrixReadOnly::Constructor(
return rval.forget();
}
already_AddRefed<DOMMatrixReadOnly>
DOMMatrixReadOnly::ReadStructuredClone(nsISupports* aParent, JSStructuredCloneReader* aReader)
{
uint8_t is2D;
if (!JS_ReadBytes(aReader, &is2D, 1)) {
return nullptr;
}
RefPtr<DOMMatrixReadOnly> rval = new DOMMatrixReadOnly(aParent, is2D);
if (!ReadStructuredCloneElements(aReader, rval)) {
return nullptr;
};
return rval.forget();
}
already_AddRefed<DOMMatrix>
DOMMatrixReadOnly::Translate(double aTx,
double aTy,
@ -344,6 +362,70 @@ DOMMatrixReadOnly::Stringify(nsAString& aResult)
aResult = matrixStr;
}
// https://drafts.fxtf.org/geometry/#structured-serialization
bool
DOMMatrixReadOnly::WriteStructuredClone(JSStructuredCloneWriter* aWriter) const
{
#define WriteFloatPair(f1, f2) \
JS_WriteUint32Pair(aWriter, BitwiseCast<uint32_t>(f1), \
BitwiseCast<uint32_t>(f2))
const uint8_t is2D = Is2D();
if (!JS_WriteBytes(aWriter, &is2D, 1)) {
return false;
}
if (is2D == 1) {
return WriteFloatPair(mMatrix2D->_11, mMatrix2D->_12) &&
WriteFloatPair(mMatrix2D->_21, mMatrix2D->_22) &&
WriteFloatPair(mMatrix2D->_31, mMatrix2D->_32);
}
return WriteFloatPair(mMatrix3D->_11, mMatrix3D->_12) &&
WriteFloatPair(mMatrix3D->_13, mMatrix3D->_14) &&
WriteFloatPair(mMatrix3D->_21, mMatrix3D->_22) &&
WriteFloatPair(mMatrix3D->_23, mMatrix3D->_24) &&
WriteFloatPair(mMatrix3D->_31, mMatrix3D->_32) &&
WriteFloatPair(mMatrix3D->_33, mMatrix3D->_34) &&
WriteFloatPair(mMatrix3D->_41, mMatrix3D->_42) &&
WriteFloatPair(mMatrix3D->_43, mMatrix3D->_44);
#undef WriteFloatPair
}
bool
DOMMatrixReadOnly::ReadStructuredCloneElements(JSStructuredCloneReader* aReader, DOMMatrixReadOnly* matrix)
{
uint32_t high;
uint32_t low;
#define ReadFloatPair(f1, f2) \
if (!JS_ReadUint32Pair(aReader, &high, &low)) { \
return false; \
} \
(*(f1) = BitwiseCast<float>(high)); \
(*(f2) = BitwiseCast<float>(low));
if (matrix->Is2D() == 1) {
ReadFloatPair(&(matrix->mMatrix2D->_11), &(matrix->mMatrix2D->_12));
ReadFloatPair(&(matrix->mMatrix2D->_21), &(matrix->mMatrix2D->_22));
ReadFloatPair(&(matrix->mMatrix2D->_31), &(matrix->mMatrix2D->_32));
} else {
ReadFloatPair(&(matrix->mMatrix3D->_11), &(matrix->mMatrix3D->_12));
ReadFloatPair(&(matrix->mMatrix3D->_13), &(matrix->mMatrix3D->_14));
ReadFloatPair(&(matrix->mMatrix3D->_21), &(matrix->mMatrix3D->_22));
ReadFloatPair(&(matrix->mMatrix3D->_23), &(matrix->mMatrix3D->_24));
ReadFloatPair(&(matrix->mMatrix3D->_31), &(matrix->mMatrix3D->_32));
ReadFloatPair(&(matrix->mMatrix3D->_33), &(matrix->mMatrix3D->_34));
ReadFloatPair(&(matrix->mMatrix3D->_41), &(matrix->mMatrix3D->_42));
ReadFloatPair(&(matrix->mMatrix3D->_43), &(matrix->mMatrix3D->_44));
}
return true;
#undef ReadFloatPair
}
already_AddRefed<DOMMatrix>
DOMMatrix::Constructor(const GlobalObject& aGlobal, ErrorResult& aRv)
{
@ -354,6 +436,11 @@ DOMMatrix::Constructor(const GlobalObject& aGlobal, ErrorResult& aRv)
already_AddRefed<DOMMatrix>
DOMMatrix::Constructor(const GlobalObject& aGlobal, const nsAString& aTransformList, ErrorResult& aRv)
{
nsCOMPtr<nsPIDOMWindowInner> win = do_QueryInterface(aGlobal.GetAsSupports());
if (!win) {
aRv.ThrowTypeError<MSG_ILLEGAL_CONSTRUCTOR>();
return nullptr;
}
RefPtr<DOMMatrix> obj = new DOMMatrix(aGlobal.GetAsSupports());
obj = obj->SetMatrixValue(aTransformList, aRv);
@ -431,6 +518,24 @@ DOMMatrix::Constructor(const GlobalObject& aGlobal, const Sequence<double>& aNum
return obj.forget();
}
already_AddRefed<DOMMatrix>
DOMMatrix::ReadStructuredClone(nsISupports* aParent, JSStructuredCloneReader* aReader)
{
uint8_t is2D;
if (!JS_ReadBytes(aReader, &is2D, 1)) {
return nullptr;
}
RefPtr<DOMMatrix> rval = new DOMMatrix(aParent, is2D);
if (!ReadStructuredCloneElements(aReader, rval)) {
return nullptr;
};
return rval.forget();
}
void
DOMMatrixReadOnly::Ensure3DMatrix()
{