dom/nfc/MozNDEFRecord.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim:set ts=2 sw=2 sts=2 et cindent: */
   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 /* Copyright © 2013 Deutsche Telekom, Inc. */
   8
   9 #ifndef mozilla_dom_MozNDEFRecord_h__
  10 #define mozilla_dom_MozNDEFRecord_h__
  11
  12 #include "mozilla/Attributes.h"
  13 #include "mozilla/ErrorResult.h"
  14 #include "nsCycleCollectionParticipant.h"
  15 #include "nsWrapperCache.h"
  16 #include "jsapi.h"
  17
  18 #include "mozilla/dom/TypedArray.h"
  19 #include "jsfriendapi.h"
  20 #include "js/GCAPI.h"
  21 #include "nsPIDOMWindow.h"
  22
  23 struct JSContext;
  24
  25 namespace mozilla {
  26 namespace dom {
  27
  28 class MozNDEFRecord MOZ_FINAL : public nsISupports,
  29                                 public nsWrapperCache
  30 {
  31 public:
  32   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
  33   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(MozNDEFRecord)
  34
  35 public:
  36
  37   MozNDEFRecord(JSContext* aCx, nsPIDOMWindow* aWindow, uint8_t aTnf,
  38                 const Optional<Uint8Array>& aType,
  39                 const Optional<Uint8Array>& aId,
  40                 const Optional<Uint8Array>& aPlayload);
  41
  42   ~MozNDEFRecord();
  43
  44   nsIDOMWindow* GetParentObject() const
  45   {
  46     return mWindow;
  47   }
  48
  49   virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE;
  50
  51   static already_AddRefed<MozNDEFRecord>
  52   Constructor(const GlobalObject& aGlobal, uint8_t aTnf,
  53               const Optional<Uint8Array>& aType,
  54               const Optional<Uint8Array>& aId,
  55               const Optional<Uint8Array>& aPayload, ErrorResult& aRv);
  56
  57   uint8_t Tnf() const
  58   {
  59     return mTnf;
  60   }
  61
  62   void GetType(JSContext* cx, JS::MutableHandle<JSObject*> retval) const
  63   {
  64     if (mType) {
  65       JS::ExposeObjectToActiveJS(mType);
  66     }
  67     retval.set(mType);
  68   }
  69
  70   void GetId(JSContext* cx, JS::MutableHandle<JSObject*> retval) const
  71   {
  72     if (mId) {
  73       JS::ExposeObjectToActiveJS(mId);
  74     }
  75     retval.set(mId);
  76   }
  77
  78   void GetPayload(JSContext* cx, JS::MutableHandle<JSObject*> retval) const
  79   {
  80     if (mPayload) {
  81       JS::ExposeObjectToActiveJS(mPayload);
  82     }
  83     retval.set(mPayload);
  84   }
  85
  86 private:
  87   MozNDEFRecord() MOZ_DELETE;
  88   nsRefPtr<nsPIDOMWindow> mWindow;
  89   void HoldData();
  90   void DropData();
  91
  92   uint8_t mTnf;
  93   JS::Heap<JSObject*> mType;
  94   JS::Heap<JSObject*> mId;
  95   JS::Heap<JSObject*> mPayload;
  96 };
  97
  98 } // namespace dom
  99 } // namespace mozilla
 100
 101 #endif // mozilla_dom_MozNDEFRecord_h__