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