/* -*- 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_ProcessHangMonitor_h #define mozilla_ProcessHangMonitor_h #include "mozilla/Atomics.h" #include "nsIObserver.h" class nsITabChild; class MessageLoop; namespace base { class Thread; } // namespace base namespace mozilla { namespace dom { class ContentParent; class TabParent; } // namespace dom class PProcessHangMonitorParent; class ProcessHangMonitor final : public nsIObserver { private: ProcessHangMonitor(); virtual ~ProcessHangMonitor(); public: static ProcessHangMonitor* Get() { return sInstance; } static ProcessHangMonitor* GetOrCreate(); NS_DECL_ISUPPORTS NS_DECL_NSIOBSERVER static void AddProcess(dom::ContentParent* aContentParent); static void RemoveProcess(PProcessHangMonitorParent* aParent); static void ClearHang(); static void ForcePaint(PProcessHangMonitorParent* aParent, dom::TabParent* aTab, uint64_t aLayerObserverEpoch); static void ClearForcePaint(); enum SlowScriptAction { Continue, Terminate, StartDebugger }; SlowScriptAction NotifySlowScript(nsITabChild* aTabChild, const char* aFileName, unsigned aLineNo); void NotifyPluginHang(uint32_t aPluginId); bool IsDebuggerStartupComplete(); void InitiateCPOWTimeout(); bool ShouldTimeOutCPOWs(); MessageLoop* MonitorLoop(); private: static ProcessHangMonitor* sInstance; Atomic<bool> mCPOWTimeout; base::Thread* mThread; }; } // namespace mozilla #endif // mozilla_ProcessHangMonitor_h