gecko-dev/dom/base/DOMQuad.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 "nsWrapperCache.h"
#include "nsISupports.h"
#include "nsCycleCollectionParticipant.h"
#include "mozilla/Attributes.h"
#include "nsCOMPtr.h"
#include "nsAutoPtr.h"
#include "mozilla/dom/BindingDeclarations.h"
#include "mozilla/ErrorResult.h"
#include "Units.h"
namespace mozilla {
namespace dom {
class DOMRectReadOnly;
class DOMPoint;
struct DOMPointInit;
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_SCRIPT_HOLDER_NATIVE_CLASS(DOMQuad)
nsISupports* GetParentObject() const { return mParent; }
virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
static already_AddRefed<DOMQuad>
Constructor(const GlobalObject& aGlobal,
const DOMPointInit& aP1,
const DOMPointInit& aP2,
const DOMPointInit& aP3,
const DOMPointInit& aP4,
ErrorResult& aRV);
static already_AddRefed<DOMQuad>
Constructor(const GlobalObject& aGlobal, const DOMRectReadOnly& aRect,
ErrorResult& aRV);
DOMRectReadOnly* Bounds() 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) { return mPoints[aIndex]; }
protected:
class QuadBounds;
nsCOMPtr<nsISupports> mParent;
nsRefPtr<DOMPoint> mPoints[4];
mutable nsRefPtr<QuadBounds> mBounds; // allocated lazily
};
}
}
#endif /*MOZILLA_DOMRECT_H_*/