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/* -*- 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_DebuggerNotificationManager_h
#define mozilla_dom_DebuggerNotificationManager_h
#include "DebuggerNotificationObserver.h"
#include "nsCycleCollectionParticipant.h"
#include "nsIGlobalObject.h"
#include "nsISupports.h"
#include "nsTObserverArray.h"
namespace mozilla {
namespace dom {
class DebuggerNotification;
class DebuggerNotificationObserver;
class DebuggerNotificationManager final : public nsISupports {
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(DebuggerNotificationManager)
static RefPtr<DebuggerNotificationManager> ForDispatch(
nsIGlobalObject* aDebuggeeGlobal) {
if (MOZ_UNLIKELY(!aDebuggeeGlobal)) {
return nullptr;
}
auto managerPtr = aDebuggeeGlobal->GetExistingDebuggerNotificationManager();
if (MOZ_LIKELY(!managerPtr) || !managerPtr->HasListeners()) {
return nullptr;
}
return managerPtr;
}
explicit DebuggerNotificationManager(nsIGlobalObject* aDebuggeeGlobal)
: mDebuggeeGlobal(aDebuggeeGlobal), mNotificationObservers() {}
bool Attach(DebuggerNotificationObserver* aObserver);
bool Detach(DebuggerNotificationObserver* aObserver);
bool HasListeners();
template <typename T, typename... Args>
MOZ_CAN_RUN_SCRIPT void Dispatch(Args... aArgs) {
RefPtr<DebuggerNotification> notification(new T(mDebuggeeGlobal, aArgs...));
NotifyListeners(notification);
}
private:
~DebuggerNotificationManager() = default;
MOZ_CAN_RUN_SCRIPT void NotifyListeners(DebuggerNotification* aNotification);
nsCOMPtr<nsIGlobalObject> mDebuggeeGlobal;
nsTObserverArray<RefPtr<DebuggerNotificationObserver>> mNotificationObservers;
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_DebuggerNotificationManager_h
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