forked from mirrors/gecko-dev
		
	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 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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 * License, v. 2.0. If a copy of the MPL was not distributed with this
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 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/dom/DOMPoint.h"
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#include "mozilla/dom/DOMPointBinding.h"
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#include "mozilla/dom/BindingDeclarations.h"
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using namespace mozilla;
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using namespace mozilla::dom;
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NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(DOMPointReadOnly, mParent)
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NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(DOMPointReadOnly, AddRef)
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NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(DOMPointReadOnly, Release)
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already_AddRefed<DOMPointReadOnly> DOMPointReadOnly::FromPoint(
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    const GlobalObject& aGlobal, const DOMPointInit& aParams) {
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  RefPtr<DOMPointReadOnly> obj = new DOMPointReadOnly(
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      aGlobal.GetAsSupports(), aParams.mX, aParams.mY, aParams.mZ, aParams.mW);
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  return obj.forget();
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}
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already_AddRefed<DOMPointReadOnly> DOMPointReadOnly::Constructor(
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    const GlobalObject& aGlobal, double aX, double aY, double aZ, double aW) {
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  RefPtr<DOMPointReadOnly> obj =
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      new DOMPointReadOnly(aGlobal.GetAsSupports(), aX, aY, aZ, aW);
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  return obj.forget();
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}
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JSObject* DOMPointReadOnly::WrapObject(JSContext* aCx,
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                                       JS::Handle<JSObject*> aGivenProto) {
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  return DOMPointReadOnly_Binding::Wrap(aCx, this, aGivenProto);
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}
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already_AddRefed<DOMPoint> DOMPointReadOnly::MatrixTransform(
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    const DOMMatrixInit& aInit, ErrorResult& aRv) {
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  RefPtr<DOMMatrixReadOnly> matrix =
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      DOMMatrixReadOnly::FromMatrix(mParent, aInit, aRv);
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  if (aRv.Failed()) {
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    return nullptr;
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  }
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  DOMPointInit init;
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  init.mX = this->mX;
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  init.mY = this->mY;
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  init.mZ = this->mZ;
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  init.mW = this->mW;
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  RefPtr<DOMPoint> point = matrix->TransformPoint(init);
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  return point.forget();
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}
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// https://drafts.fxtf.org/geometry/#structured-serialization
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bool DOMPointReadOnly::WriteStructuredClone(
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    JSContext* aCx, JSStructuredCloneWriter* aWriter) const {
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#define WriteDouble(d)                                                       \
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  JS_WriteUint32Pair(aWriter, (BitwiseCast<uint64_t>(d) >> 32) & 0xffffffff, \
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                     BitwiseCast<uint64_t>(d) & 0xffffffff)
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  return WriteDouble(mX) && WriteDouble(mY) && WriteDouble(mZ) &&
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         WriteDouble(mW);
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#undef WriteDouble
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}
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// static
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already_AddRefed<DOMPointReadOnly> DOMPointReadOnly::ReadStructuredClone(
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    JSContext* aCx, nsIGlobalObject* aGlobal,
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    JSStructuredCloneReader* aReader) {
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  RefPtr<DOMPointReadOnly> retval = new DOMPointReadOnly(aGlobal);
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  if (!retval->ReadStructuredClone(aReader)) {
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    return nullptr;
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  }
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  return retval.forget();
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  ;
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}
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bool DOMPointReadOnly::ReadStructuredClone(JSStructuredCloneReader* aReader) {
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  uint32_t high;
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  uint32_t low;
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#define ReadDouble(d)                             \
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  if (!JS_ReadUint32Pair(aReader, &high, &low)) { \
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    return false;                                 \
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  }                                               \
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  (*(d) = BitwiseCast<double>(static_cast<uint64_t>(high) << 32 | low))
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  ReadDouble(&mX);
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  ReadDouble(&mY);
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  ReadDouble(&mZ);
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  ReadDouble(&mW);
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  return true;
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#undef ReadDouble
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}
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already_AddRefed<DOMPoint> DOMPoint::FromPoint(const GlobalObject& aGlobal,
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                                               const DOMPointInit& aParams) {
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  RefPtr<DOMPoint> obj = new DOMPoint(aGlobal.GetAsSupports(), aParams.mX,
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                                      aParams.mY, aParams.mZ, aParams.mW);
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  return obj.forget();
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}
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already_AddRefed<DOMPoint> DOMPoint::Constructor(const GlobalObject& aGlobal,
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                                                 double aX, double aY,
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                                                 double aZ, double aW) {
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  RefPtr<DOMPoint> obj = new DOMPoint(aGlobal.GetAsSupports(), aX, aY, aZ, aW);
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  return obj.forget();
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}
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JSObject* DOMPoint::WrapObject(JSContext* aCx,
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                               JS::Handle<JSObject*> aGivenProto) {
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  return DOMPoint_Binding::Wrap(aCx, this, aGivenProto);
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}
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// static
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already_AddRefed<DOMPoint> DOMPoint::ReadStructuredClone(
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    JSContext* aCx, nsIGlobalObject* aGlobal,
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    JSStructuredCloneReader* aReader) {
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  RefPtr<DOMPoint> retval = new DOMPoint(aGlobal);
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  if (!retval->ReadStructuredClone(aReader)) {
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    return nullptr;
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  }
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  return retval.forget();
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  ;
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}
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