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-rw-r--r--dom/debugger/DebuggerNotificationManager.cpp59
1 files changed, 59 insertions, 0 deletions
diff --git a/dom/debugger/DebuggerNotificationManager.cpp b/dom/debugger/DebuggerNotificationManager.cpp
new file mode 100644
index 0000000000..773fdc0c5a
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+++ b/dom/debugger/DebuggerNotificationManager.cpp
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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/. */
+
+#include "DebuggerNotificationManager.h"
+
+#include "nsIGlobalObject.h"
+
+namespace mozilla::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 mozilla::dom