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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 "nsStringFwd.h"
class nsIRunnable;
class nsIBrowserChild;
class nsIThread;
namespace mozilla {
namespace dom {
class ContentParent;
class BrowserParent;
struct CancelContentJSOptions;
} // namespace dom
namespace layers {
struct LayersObserverEpoch;
} // namespace layers
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,
const layers::LayersObserverEpoch& aEpoch);
static void UnloadLayersWhileInterruptingJS(
PProcessHangMonitorParent* aParent, dom::BrowserParent* aTab,
const layers::LayersObserverEpoch& aEpoch);
static void ClearPaintWhileInterruptingJS(
const layers::LayersObserverEpoch& aEpoch);
static void MaybeStartPaintWhileInterruptingJS();
static void CancelContentJSExecutionIfRunning(
PProcessHangMonitorParent* aParent, dom::BrowserParent* aTab,
nsIRemoteTab::NavigationType aNavigationType,
const dom::CancelContentJSOptions& aCancelContentJSOptions);
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
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