dom/debugger/DebuggerNotification.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_DebuggerNotification_h
   8 #define mozilla_dom_DebuggerNotification_h
   9
  10 #include "DebuggerNotificationManager.h"
  11 #include "mozilla/dom/DebuggerNotificationBinding.h"
  12 #include "nsIGlobalObject.h"
  13 #include "nsISupports.h"
  14 #include "nsWrapperCache.h"
  15
  16 namespace mozilla::dom {
  17
  18 class DebuggerNotification : public nsISupports, public nsWrapperCache {
  19  public:
  20   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
  21   NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(DebuggerNotification)
  22
  23   DebuggerNotification(nsIGlobalObject* aDebuggeeGlobal,
  24                        DebuggerNotificationType aType,
  25                        nsIGlobalObject* aOwnerGlobal = nullptr)
  26       : mType(aType),
  27         mDebuggeeGlobal(aDebuggeeGlobal),
  28         mOwnerGlobal(aOwnerGlobal) {}
  29
  30   nsIGlobalObject* GetParentObject() const {
  31     MOZ_ASSERT(mOwnerGlobal,
  32                "Notification must be cloned into an observer global before "
  33                "being wrapped");
  34     return mOwnerGlobal;
  35   }
  36
  37   DebuggerNotificationType Type() const { return mType; }
  38
  39   void GetGlobal(JSContext* aCx, JS::MutableHandle<JSObject*> aResult) {
  40     aResult.set(mDebuggeeGlobal->GetGlobalJSObject());
  41   }
  42
  43   virtual already_AddRefed<DebuggerNotification> CloneInto(
  44       nsIGlobalObject* aNewOwner) const;
  45
  46   // nsWrapperCache
  47   virtual JSObject* WrapObject(JSContext* aCx,
  48                                JS::Handle<JSObject*> aGivenProto) override;
  49
  50  protected:
  51   virtual ~DebuggerNotification() = default;
  52
  53   DebuggerNotificationType mType;
  54   nsCOMPtr<nsIGlobalObject> mDebuggeeGlobal;
  55
  56  private:
  57   nsCOMPtr<nsIGlobalObject> mOwnerGlobal;
  58 };
  59
  60 MOZ_CAN_RUN_SCRIPT inline void DebuggerNotificationDispatch(
  61     nsIGlobalObject* aDebuggeeGlobal, DebuggerNotificationType aType) {
  62   auto manager = DebuggerNotificationManager::ForDispatch(aDebuggeeGlobal);
  63   if (MOZ_UNLIKELY(manager)) {
  64     manager->Dispatch<DebuggerNotification>(aType);
  65   }
  66 }
  67
  68 }  // namespace mozilla::dom
  69
  70 #endif  // mozilla_dom_DebuggerNotification_h