forked from mirrors/gecko-dev
		
	 1128b8dee8
			
		
	
	
		1128b8dee8
		
	
	
	
	
		
			
			Differential Revision: https://phabricator.services.mozilla.com/D45394 --HG-- extra : moz-landing-system : lando
		
			
				
	
	
		
			128 lines
		
	
	
	
		
			4.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			128 lines
		
	
	
	
		
			4.3 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) {
 | |
|   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();
 | |
|   ;
 | |
| }
 |