gecko-dev/dom/debugger/EventCallbackDebuggerNotification.h

97 lines
3.5 KiB
C++

/* -*- 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 {
namespace 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 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 ~EventCallbackDebuggerNotificationGuard() {
Dispatch(CallbackDebuggerNotificationPhase::Post);
}
private:
MOZ_CAN_RUN_SCRIPT void Dispatch(CallbackDebuggerNotificationPhase aPhase) {
auto manager = DebuggerNotificationManager::ForDispatch(mDebuggeeGlobal);
if (MOZ_UNLIKELY(manager)) {
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 dom
} // namespace mozilla
#endif // mozilla_dom_EventCallbackDebuggerNotification_h