1 files changed, 116 insertions, 0 deletions
diff --git a/dom/workers/WorkerDebuggerManager.h b/dom/workers/WorkerDebuggerManager.h
new file mode 100644
index 0000000000..7c22a6b62c
--- /dev/null
+++ b/dom/workers/WorkerDebuggerManager.h
@@ -0,0 +1,116 @@
+/* -*- 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_workers_workerdebuggermanager_h
+#define mozilla_dom_workers_workerdebuggermanager_h
+
+#include "MainThreadUtils.h"
+#include "mozilla/AlreadyAddRefed.h"
+#include "mozilla/Mutex.h"
+#include "nsCOMPtr.h"
+#include "nsDebug.h"
+#include "nsIObserver.h"
+#include "nsISupports.h"
+#include "nsIWorkerDebuggerManager.h"
+#include "nsTArray.h"
+
+#define WORKERDEBUGGERMANAGER_CID                    \
+  {                                                  \
+    0x62ec8731, 0x55ad, 0x4246, {                    \
+      0xb2, 0xea, 0xf2, 0x6c, 0x1f, 0xe1, 0x9d, 0x2d \
+    }                                                \
+  }
+#define WORKERDEBUGGERMANAGER_CONTRACTID \
+  "@mozilla.org/dom/workers/workerdebuggermanager;1"
+
+namespace mozilla::dom {
+
+class WorkerDebugger;
+class WorkerPrivate;
+
+class WorkerDebuggerManager final : public nsIObserver,
+                                    public nsIWorkerDebuggerManager {
+  Mutex mMutex MOZ_UNANNOTATED;
+
+  // Protected by mMutex.
+  nsTArray<nsCOMPtr<nsIWorkerDebuggerManagerListener>> mListeners;
+
+  // Only touched on the main thread.
+  nsTArray<RefPtr<WorkerDebugger>> mDebuggers;
+
+ public:
+  static already_AddRefed<WorkerDebuggerManager> GetInstance();
+
+  static WorkerDebuggerManager* GetOrCreate();
+
+  static WorkerDebuggerManager* Get();
+
+  WorkerDebuggerManager();
+
+  NS_DECL_ISUPPORTS
+  NS_DECL_NSIOBSERVER
+  NS_DECL_NSIWORKERDEBUGGERMANAGER
+
+  nsresult Init();
+
+  void Shutdown();
+
+  void RegisterDebugger(WorkerPrivate* aWorkerPrivate);
+
+  void RegisterDebuggerMainThread(WorkerPrivate* aWorkerPrivate,
+                                  bool aNotifyListeners);
+
+  void UnregisterDebugger(WorkerPrivate* aWorkerPrivate);
+
+  void UnregisterDebuggerMainThread(WorkerPrivate* aWorkerPrivate);
+
+  uint32_t GetDebuggersLength() const;
+
+  WorkerDebugger* GetDebuggerAt(uint32_t aIndex) const;
+
+ private:
+  nsTArray<nsCOMPtr<nsIWorkerDebuggerManagerListener>> CloneListeners();
+
+  virtual ~WorkerDebuggerManager();
+};
+
+inline nsresult RegisterWorkerDebugger(WorkerPrivate* aWorkerPrivate) {
+  WorkerDebuggerManager* manager;
+
+  if (NS_IsMainThread()) {
+    manager = WorkerDebuggerManager::GetOrCreate();
+    if (!manager) {
+      NS_WARNING("Failed to create worker debugger manager!");
+      return NS_ERROR_FAILURE;
+    }
+  } else {
+    manager = WorkerDebuggerManager::Get();
+  }
+
+  manager->RegisterDebugger(aWorkerPrivate);
+  return NS_OK;
+}
+
+inline nsresult UnregisterWorkerDebugger(WorkerPrivate* aWorkerPrivate) {
+  WorkerDebuggerManager* manager;
+
+  if (NS_IsMainThread()) {
+    manager = WorkerDebuggerManager::GetOrCreate();
+    if (!manager) {
+      NS_WARNING("Failed to create worker debugger manager!");
+      return NS_ERROR_FAILURE;
+    }
+  } else {
+    manager = WorkerDebuggerManager::Get();
+  }
+
+  manager->UnregisterDebugger(aWorkerPrivate);
+  return NS_OK;
+}
+
+}  // namespace mozilla::dom
+
+#endif  // mozilla_dom_workers_workerdebuggermanager_h