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-rw-r--r--dom/ipc/ProcessHangMonitor.h97
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diff --git a/dom/ipc/ProcessHangMonitor.h b/dom/ipc/ProcessHangMonitor.h
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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_ProcessHangMonitor_h
+#define mozilla_ProcessHangMonitor_h
+
+#include "mozilla/AlreadyAddRefed.h"
+#include "mozilla/Atomics.h"
+#include "nsCOMPtr.h"
+#include "nsIObserver.h"
+#include "nsIRemoteTab.h"
+#include "nsIThread.h"
+#include "nsStringFwd.h"
+
+class nsIRunnable;
+class nsIBrowserChild;
+class nsIThread;
+
+namespace mozilla {
+
+namespace dom {
+class ContentParent;
+class BrowserParent;
+struct CancelContentJSOptions;
+} // 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 already_AddRefed<PProcessHangMonitorParent> AddProcess(
+ dom::ContentParent* aContentParent);
+ static void RemoveProcess(PProcessHangMonitorParent* aParent);
+
+ static void ClearHang();
+
+ static void PaintWhileInterruptingJS(PProcessHangMonitorParent* aParent,
+ dom::BrowserParent* aTab);
+
+ static void UnloadLayersWhileInterruptingJS(
+ PProcessHangMonitorParent* aParent, dom::BrowserParent* aTab);
+
+ static void ClearPaintWhileInterruptingJS();
+ static void MaybeStartPaintWhileInterruptingJS();
+
+ static void CancelContentJSExecutionIfRunning(
+ PProcessHangMonitorParent* aParent, dom::BrowserParent* aTab,
+ nsIRemoteTab::NavigationType aNavigationType,
+ const dom::CancelContentJSOptions& aCancelContentJSOptions);
+
+ static void SetMainThreadQoSPriority(PProcessHangMonitorParent* aParent,
+ nsIThread::QoSPriority aQoSPriority);
+
+ enum SlowScriptAction {
+ Continue,
+ Terminate,
+ StartDebugger,
+ };
+ SlowScriptAction NotifySlowScript(nsIBrowserChild* aBrowserChild,
+ const char* aFileName,
+ const nsString& aAddonId,
+ const double aDuration);
+
+ void NotifyPluginHang(uint32_t aPluginId);
+
+ bool IsDebuggerStartupComplete();
+
+ void InitiateCPOWTimeout();
+ bool ShouldTimeOutCPOWs();
+
+ nsresult Dispatch(already_AddRefed<nsIRunnable> aRunnable);
+ bool IsOnThread();
+
+ private:
+ static ProcessHangMonitor* sInstance;
+
+ Atomic<bool> mCPOWTimeout;
+
+ nsCOMPtr<nsIThread> mThread;
+};
+
+} // namespace mozilla
+
+#endif // mozilla_ProcessHangMonitor_h