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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_TimelineMarker_h_
#define mozilla_TimelineMarker_h_
#include "AbstractTimelineMarker.h"
#include "js/RootingAPI.h"
namespace mozilla {
// Objects of this type can be added to the timeline if there is an interested
// consumer. The class can also be subclassed to let a given marker creator
// provide custom details.
class TimelineMarker : public AbstractTimelineMarker {
public:
TimelineMarker(const char* aName, MarkerTracingType aTracingType,
MarkerStackRequest aStackRequest = MarkerStackRequest::STACK);
TimelineMarker(const char* aName, const TimeStamp& aTime,
MarkerTracingType aTracingType,
MarkerStackRequest aStackRequest = MarkerStackRequest::STACK);
virtual void AddDetails(JSContext* aCx,
dom::ProfileTimelineMarker& aMarker) override;
virtual JSObject* GetStack() override;
protected:
void CaptureStack();
private:
// While normally it is not a good idea to make a persistent root,
// in this case changing nsDocShell to participate in cycle
// collection was deemed too invasive, and the markers are only held
// here temporarily to boot.
JS::PersistentRooted<JSObject*> mStackTrace;
void CaptureStackIfNecessary(MarkerTracingType aTracingType,
MarkerStackRequest aStackRequest);
};
} // namespace mozilla
#endif /* mozilla_TimelineMarker_h_ */