gecko-dev/dom/debugger/DebuggerNotificationManager...

63 строки
1.9 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/. */
#include "DebuggerNotificationManager.h"
#include "mozilla/ScopeExit.h"
#include "nsIGlobalObject.h"
namespace mozilla {
namespace dom {
NS_IMPL_CYCLE_COLLECTION(DebuggerNotificationManager, mDebuggeeGlobal,
mNotificationObservers)
NS_IMPL_CYCLE_COLLECTING_ADDREF(DebuggerNotificationManager)
NS_IMPL_CYCLE_COLLECTING_RELEASE(DebuggerNotificationManager)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(DebuggerNotificationManager)
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END
NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN(DebuggerNotificationManager)
NS_IMPL_CYCLE_COLLECTION_TRACE_END
bool DebuggerNotificationManager::Attach(
DebuggerNotificationObserver* aObserver) {
RefPtr<DebuggerNotificationObserver> ptr(aObserver);
if (mNotificationObservers.Contains(ptr)) {
return false;
}
mNotificationObservers.AppendElement(ptr);
return true;
}
bool DebuggerNotificationManager::Detach(
DebuggerNotificationObserver* aObserver) {
RefPtr<DebuggerNotificationObserver> ptr(aObserver);
return mNotificationObservers.RemoveElement(ptr);
}
bool DebuggerNotificationManager::HasListeners() {
const auto [begin, end] = mNotificationObservers.NonObservingRange();
return std::any_of(begin, end, [](const auto& observer) {
return observer->HasListeners();
});
}
void DebuggerNotificationManager::NotifyListeners(
DebuggerNotification* aNotification) {
for (RefPtr<DebuggerNotificationObserver> observer :
mNotificationObservers.ForwardRange()) {
observer->NotifyListeners(aNotification);
}
}
} // namespace dom
} // namespace mozilla