DOMQuad.h - mozsearch

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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_DOMQUAD_H_

#define MOZILLA_DOMQUAD_H_

#include <cstdint>

#include "Units.h"

#include "js/TypeDecls.h"

#include "mozilla/AlreadyAddRefed.h"

#include "mozilla/Assertions.h"

#include "mozilla/RefPtr.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::dom {

class DOMRectReadOnly;

class DOMPoint;

class GlobalObject;

struct DOMPointInit;

struct DOMQuadInit;

struct DOMRectInit;

class DOMQuad final : public nsWrapperCache {

  ~DOMQuad();

 public:

  DOMQuad(nsISupports* aParent, CSSPoint aPoints[4]);

  explicit DOMQuad(nsISupports* aParent);

  NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(DOMQuad)

  NS_DECL_CYCLE_COLLECTION_NATIVE_WRAPPERCACHE_CLASS(DOMQuad)

  nsISupports* GetParentObject() const { return mParent; }

  virtual JSObject* WrapObject(JSContext* aCx,

                               JS::Handle<JSObject*> aGivenProto) override;

  static already_AddRefed<DOMQuad> FromRect(const GlobalObject& aGlobal,

                                            const DOMRectInit& aInit);

  static already_AddRefed<DOMQuad> FromQuad(const GlobalObject& aGlobal,

                                            const DOMQuadInit& aInit);

  static already_AddRefed<DOMQuad> Constructor(const GlobalObject& aGlobal,

                                               const DOMPointInit& aP1,

                                               const DOMPointInit& aP2,

                                               const DOMPointInit& aP3,

                                               const DOMPointInit& aP4);

  static already_AddRefed<DOMQuad> Constructor(const GlobalObject& aGlobal,

                                               const DOMRectReadOnly& aRect);

  already_AddRefed<DOMRectReadOnly> GetBounds() const;

  DOMPoint* P1() const { return mPoints[0]; }

  DOMPoint* P2() const { return mPoints[1]; }

  DOMPoint* P3() const { return mPoints[2]; }

  DOMPoint* P4() const { return mPoints[3]; }

  DOMPoint* Point(uint32_t aIndex) const { return mPoints[aIndex]; }

  bool WriteStructuredClone(JSContext* aCx,

                            JSStructuredCloneWriter* aWriter) const;

  static already_AddRefed<DOMQuad> ReadStructuredClone(

      JSContext* aCx, nsIGlobalObject* aGlobal,

      JSStructuredCloneReader* aReader);

 protected:

  void GetHorizontalMinMax(double* aX1, double* aX2) const;

  void GetVerticalMinMax(double* aY1, double* aY2) const;

  nsCOMPtr<nsISupports> mParent;

  RefPtr<DOMPoint> mPoints[4];

};

}  // namespace mozilla::dom

#endif /*MOZILLA_DOMRECT_H_*/