dom/base/DOMPoint.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #ifndef MOZILLA_DOMPOINT_H_
   7 #define MOZILLA_DOMPOINT_H_
   8
   9 #include "nsWrapperCache.h"
  10 #include "nsISupports.h"
  11 #include "nsCycleCollectionParticipant.h"
  12 #include "mozilla/Attributes.h"
  13 #include "mozilla/ErrorResult.h"
  14 #include "nsCOMPtr.h"
  15 #include "mozilla/dom/BindingDeclarations.h"
  16
  17 namespace mozilla {
  18 namespace dom {
  19
  20 class GlobalObject;
  21 struct DOMPointInit;
  22
  23 class DOMPointReadOnly : public nsWrapperCache
  24 {
  25 public:
  26   DOMPointReadOnly(nsISupports* aParent, double aX, double aY,
  27                    double aZ, double aW)
  28     : mParent(aParent)
  29     , mX(aX)
  30     , mY(aY)
  31     , mZ(aZ)
  32     , mW(aW)
  33   {
  34   }
  35
  36   double X() const { return mX; }
  37   double Y() const { return mY; }
  38   double Z() const { return mZ; }
  39   double W() const { return mW; }
  40
  41 protected:
  42   nsCOMPtr<nsISupports> mParent;
  43   double mX, mY, mZ, mW;
  44 };
  45
  46 class DOMPoint MOZ_FINAL : public DOMPointReadOnly
  47 {
  48   ~DOMPoint() {}
  49
  50 public:
  51   explicit DOMPoint(nsISupports* aParent, double aX = 0.0, double aY = 0.0,
  52                     double aZ = 0.0, double aW = 1.0)
  53     : DOMPointReadOnly(aParent, aX, aY, aZ, aW)
  54   {}
  55
  56   NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(DOMPoint)
  57   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(DOMPoint)
  58
  59   static already_AddRefed<DOMPoint>
  60   Constructor(const GlobalObject& aGlobal, const DOMPointInit& aParams,
  61               ErrorResult& aRV);
  62   static already_AddRefed<DOMPoint>
  63   Constructor(const GlobalObject& aGlobal, double aX, double aY,
  64               double aZ, double aW, ErrorResult& aRV);
  65
  66   nsISupports* GetParentObject() const { return mParent; }
  67   virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE;
  68
  69   void SetX(double aX) { mX = aX; }
  70   void SetY(double aY) { mY = aY; }
  71   void SetZ(double aZ) { mZ = aZ; }
  72   void SetW(double aW) { mW = aW; }
  73 };
  74
  75 }
  76 }
  77
  78 #endif /*MOZILLA_DOMPOINT_H_*/