gecko-dev/dom/ipc/ProcessHangMonitor.h
Mike Conley 3916b50bc6 Bug 1312080 - Tell the BackgroundHangMonitor for force paint in the content process to wait after the next paint, even if we weren't interrupting JS. r=billm"
MozReview-Commit-ID: 1Rk2VN1pR3C

--HG--
extra : rebase_source : 18ce7fa7a1d85c3a337cddc0fa6d42991f0ff153
2016-10-21 14:56:46 -04:00

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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/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