EventCallbackDebuggerNotification.h

Enable keyboard shortcuts

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim: set ts=8 sts=2 et sw=2 tw=80: */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef mozilla_dom_EventCallbackDebuggerNotification_h

#define mozilla_dom_EventCallbackDebuggerNotification_h

#include "CallbackDebuggerNotification.h"

#include "DebuggerNotificationManager.h"

#include "mozilla/dom/Event.h"

#include "mozilla/RefPtr.h"

namespace mozilla::dom {

class EventCallbackDebuggerNotification : public CallbackDebuggerNotification {

 public:

  NS_DECL_ISUPPORTS_INHERITED

  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(EventCallbackDebuggerNotification,

                                           CallbackDebuggerNotification)

  EventCallbackDebuggerNotification(

      nsIGlobalObject* aDebuggeeGlobal, DebuggerNotificationType aType,

      Event* aEvent, EventCallbackDebuggerNotificationType aTargetType,

      CallbackDebuggerNotificationPhase aPhase,

      nsIGlobalObject* aOwnerGlobal = nullptr)

      : CallbackDebuggerNotification(aDebuggeeGlobal, aType, aPhase,

                                     aOwnerGlobal),

        mEvent(aEvent),

        mTargetType(aTargetType) {}

  // nsWrapperCache

  virtual JSObject* WrapObject(JSContext* aCx,

                               JS::Handle<JSObject*> aGivenProto) override;

  already_AddRefed<DebuggerNotification> CloneInto(

      nsIGlobalObject* aNewOwner) const override;

  mozilla::dom::Event* Event() const { return mEvent; }

  EventCallbackDebuggerNotificationType TargetType() const {

    return mTargetType;

 private:

  ~EventCallbackDebuggerNotification() = default;

  RefPtr<mozilla::dom::Event> mEvent;

  EventCallbackDebuggerNotificationType mTargetType;

};

class MOZ_RAII EventCallbackDebuggerNotificationGuard final {

 public:

  MOZ_CAN_RUN_SCRIPT_BOUNDARY explicit EventCallbackDebuggerNotificationGuard(

      mozilla::dom::EventTarget* aEventTarget, mozilla::dom::Event* aEvent)

      : mDebuggeeGlobal(aEventTarget ? aEventTarget->GetOwnerGlobal()

                                     : nullptr),

        mEventTarget(aEventTarget),

        mEvent(aEvent) {

    Dispatch(CallbackDebuggerNotificationPhase::Pre);

  EventCallbackDebuggerNotificationGuard(

      const EventCallbackDebuggerNotificationGuard&) = delete;

  EventCallbackDebuggerNotificationGuard(

      EventCallbackDebuggerNotificationGuard&&) = delete;

  EventCallbackDebuggerNotificationGuard& operator=(

      const EventCallbackDebuggerNotificationGuard&) = delete;

  EventCallbackDebuggerNotificationGuard& operator=(

      EventCallbackDebuggerNotificationGuard&&) = delete;

  MOZ_CAN_RUN_SCRIPT_BOUNDARY ~EventCallbackDebuggerNotificationGuard() {

    Dispatch(CallbackDebuggerNotificationPhase::Post);

 private:

  MOZ_CAN_RUN_SCRIPT void Dispatch(CallbackDebuggerNotificationPhase aPhase) {

    auto manager = DebuggerNotificationManager::ForDispatch(mDebuggeeGlobal);

    DispatchToManager(manager, aPhase);

  MOZ_CAN_RUN_SCRIPT void DispatchToManager(

      const RefPtr<DebuggerNotificationManager>& aManager,

      CallbackDebuggerNotificationPhase aPhase);

  nsIGlobalObject* mDebuggeeGlobal;

  mozilla::dom::EventTarget* mEventTarget;

  mozilla::dom::Event* mEvent;

};

}  // namespace mozilla::dom

#endif  // mozilla_dom_EventCallbackDebuggerNotification_h