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DebuggerNotification.h (2305B)

      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