tor-browser

The Tor Browser
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DOMQuad.h (3013B)

      1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
      3 /* This Source Code Form is subject to the terms of the Mozilla Public
      4 * License, v. 2.0. If a copy of the MPL was not distributed with this
      5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      6 
      7 #ifndef MOZILLA_DOMQUAD_H_
      8 #define MOZILLA_DOMQUAD_H_
      9 
     10 #include <cstdint>
     11 
     12 #include "Units.h"
     13 #include "js/TypeDecls.h"
     14 #include "mozilla/AlreadyAddRefed.h"
     15 #include "mozilla/RefPtr.h"
     16 #include "nsCOMPtr.h"
     17 #include "nsCycleCollectionParticipant.h"
     18 #include "nsISupports.h"
     19 #include "nsWrapperCache.h"
     20 
     21 class JSObject;
     22 class nsIGlobalObject;
     23 struct JSContext;
     24 struct JSStructuredCloneReader;
     25 struct JSStructuredCloneWriter;
     26 
     27 namespace mozilla::dom {
     28 
     29 class DOMRectReadOnly;
     30 class DOMPoint;
     31 class GlobalObject;
     32 struct DOMPointInit;
     33 struct DOMQuadInit;
     34 struct DOMRectInit;
     35 
     36 class DOMQuad final : public nsWrapperCache {
     37  ~DOMQuad();
     38 
     39 public:
     40  DOMQuad(nsISupports* aParent, CSSPoint aPoints[4]);
     41  explicit DOMQuad(nsISupports* aParent);
     42 
     43  NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(DOMQuad)
     44  NS_DECL_CYCLE_COLLECTION_NATIVE_WRAPPERCACHE_CLASS(DOMQuad)
     45 
     46  nsISupports* GetParentObject() const { return mParent; }
     47  virtual JSObject* WrapObject(JSContext* aCx,
     48                               JS::Handle<JSObject*> aGivenProto) override;
     49 
     50  static already_AddRefed<DOMQuad> FromRect(const GlobalObject& aGlobal,
     51                                            const DOMRectInit& aInit);
     52 
     53  static already_AddRefed<DOMQuad> FromQuad(const GlobalObject& aGlobal,
     54                                            const DOMQuadInit& aInit);
     55 
     56  static already_AddRefed<DOMQuad> Constructor(const GlobalObject& aGlobal,
     57                                               const DOMPointInit& aP1,
     58                                               const DOMPointInit& aP2,
     59                                               const DOMPointInit& aP3,
     60                                               const DOMPointInit& aP4);
     61  static already_AddRefed<DOMQuad> Constructor(const GlobalObject& aGlobal,
     62                                               const DOMRectReadOnly& aRect);
     63 
     64  already_AddRefed<DOMRectReadOnly> GetBounds() const;
     65  DOMPoint* P1() const { return mPoints[0]; }
     66  DOMPoint* P2() const { return mPoints[1]; }
     67  DOMPoint* P3() const { return mPoints[2]; }
     68  DOMPoint* P4() const { return mPoints[3]; }
     69 
     70  DOMPoint* Point(uint32_t aIndex) const { return mPoints[aIndex]; }
     71 
     72  bool WriteStructuredClone(JSContext* aCx,
     73                            JSStructuredCloneWriter* aWriter) const;
     74 
     75  static already_AddRefed<DOMQuad> ReadStructuredClone(
     76      JSContext* aCx, nsIGlobalObject* aGlobal,
     77      JSStructuredCloneReader* aReader);
     78 
     79 protected:
     80  void GetHorizontalMinMax(double* aX1, double* aX2) const;
     81  void GetVerticalMinMax(double* aY1, double* aY2) const;
     82 
     83  nsCOMPtr<nsISupports> mParent;
     84  RefPtr<DOMPoint> mPoints[4];
     85 };
     86 
     87 }  // namespace mozilla::dom
     88 
     89 #endif /*MOZILLA_DOMRECT_H_*/