dom/debugger/DebuggerNotificationObserver.h

   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_dom_DebuggerNotificationObserver_h
   8 #define mozilla_dom_DebuggerNotificationObserver_h
   9
  10 #include "DebuggerNotificationManager.h"
  11 #include "mozilla/dom/DebuggerNotificationObserverBinding.h"
  12 #include "mozilla/RefPtr.h"
  13 #include "nsTObserverArray.h"
  14 #include "nsWrapperCache.h"
  15
  16 class nsIGlobalObject;
  17
  18 namespace mozilla::dom {
  19
  20 class DebuggerNotification;
  21
  22 class DebuggerNotificationObserver final : public nsISupports,
  23                                            public nsWrapperCache {
  24  public:
  25   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
  26   NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(DebuggerNotificationObserver)
  27
  28   static already_AddRefed<DebuggerNotificationObserver> Constructor(
  29       GlobalObject& aGlobal, ErrorResult& aRv);
  30
  31   nsIGlobalObject* GetParentObject() const { return mOwnerGlobal; }
  32
  33   // nsWrapperCache
  34   virtual JSObject* WrapObject(JSContext* aCx,
  35                                JS::Handle<JSObject*> aGivenProto) override;
  36
  37   bool Connect(JSContext* aCx, JS::Handle<JSObject*> aDebuggeeGlobal,
  38                ErrorResult& aRv);
  39   bool Disconnect(JSContext* aCx, JS::Handle<JSObject*> aDebuggeeGlobal,
  40                   ErrorResult& aRv);
  41
  42   bool AddListener(DebuggerNotificationCallback& aHandlerFn);
  43   bool RemoveListener(DebuggerNotificationCallback& aHandlerFn);
  44
  45   bool HasListeners();
  46
  47   MOZ_CAN_RUN_SCRIPT void NotifyListeners(DebuggerNotification* aNotification);
  48
  49  private:
  50   explicit DebuggerNotificationObserver(nsIGlobalObject* aOwnerGlobal);
  51   ~DebuggerNotificationObserver() = default;
  52
  53   nsTObserverArray<RefPtr<DebuggerNotificationCallback>>
  54       mEventListenerCallbacks;
  55   nsCOMPtr<nsIGlobalObject> mOwnerGlobal;
  56 };
  57
  58 }  // namespace mozilla::dom
  59
  60 #endif  // mozilla_dom_DebuggerNotificationObserver_h