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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/. */
#ifndef MOZILLA_DOMPOINT_H_
#define MOZILLA_DOMPOINT_H_
#include "js/TypeDecls.h"
#include "mozilla/AlreadyAddRefed.h"
#include "mozilla/Assertions.h"
#include "nsCOMPtr.h"
#include "nsCycleCollectionParticipant.h"
#include "nsISupports.h"
#include "nsWrapperCache.h"
class JSObject;
class nsIGlobalObject;
struct JSContext;
struct JSStructuredCloneReader;
struct JSStructuredCloneWriter;
namespace mozilla {
class ErrorResult;
namespace dom {
class GlobalObject;
class DOMPoint;
struct DOMPointInit;
struct DOMMatrixInit;
class DOMPointReadOnly : public nsWrapperCache {
public:
explicit DOMPointReadOnly(nsISupports* aParent, double aX = 0.0,
double aY = 0.0, double aZ = 0.0, double aW = 1.0)
: mParent(aParent), mX(aX), mY(aY), mZ(aZ), mW(aW) {}
static already_AddRefed<DOMPointReadOnly> FromPoint(
const GlobalObject& aGlobal, const DOMPointInit& aParams);
static already_AddRefed<DOMPointReadOnly> Constructor(
const GlobalObject& aGlobal, double aX, double aY, double aZ, double aW);
NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(DOMPointReadOnly)
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(DOMPointReadOnly)
double X() const { return mX; }
double Y() const { return mY; }
double Z() const { return mZ; }
double W() const { return mW; }
already_AddRefed<DOMPoint> MatrixTransform(const DOMMatrixInit& aInit,
ErrorResult& aRv);
nsISupports* GetParentObject() const { return mParent; }
virtual JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
bool WriteStructuredClone(JSContext* aCx,
JSStructuredCloneWriter* aWriter) const;
static already_AddRefed<DOMPointReadOnly> ReadStructuredClone(
JSContext* aCx, nsIGlobalObject* aGlobal,
JSStructuredCloneReader* aReader);
protected:
virtual ~DOMPointReadOnly() = default;
// Shared implementation of ReadStructuredClone for DOMPoint and
// DOMPointReadOnly.
bool ReadStructuredClone(JSStructuredCloneReader* aReader);
nsCOMPtr<nsISupports> mParent;
double mX, mY, mZ, mW;
};
class DOMPoint final : public DOMPointReadOnly {
public:
explicit DOMPoint(nsISupports* aParent, double aX = 0.0, double aY = 0.0,
double aZ = 0.0, double aW = 1.0)
: DOMPointReadOnly(aParent, aX, aY, aZ, aW) {}
static already_AddRefed<DOMPoint> FromPoint(const GlobalObject& aGlobal,
const DOMPointInit& aParams);
static already_AddRefed<DOMPoint> Constructor(const GlobalObject& aGlobal,
double aX, double aY, double aZ,
double aW);
virtual JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
static already_AddRefed<DOMPoint> ReadStructuredClone(
JSContext* aCx, nsIGlobalObject* aGlobal,
JSStructuredCloneReader* aReader);
using DOMPointReadOnly::ReadStructuredClone;
void SetX(double aX) { mX = aX; }
void SetY(double aY) { mY = aY; }
void SetZ(double aZ) { mZ = aZ; }
void SetW(double aW) { mW = aW; }
};
} // namespace dom
} // namespace mozilla
#endif /*MOZILLA_DOMPOINT_H_*/
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