gecko-dev/dom/workers/Performance.cpp

98 lines
2.4 KiB
C++

/* -*- 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/. */
#include "Performance.h"
#include "mozilla/dom/PerformanceBinding.h"
#include "WorkerPrivate.h"
BEGIN_WORKERS_NAMESPACE
Performance::Performance(WorkerPrivate* aWorkerPrivate)
: mWorkerPrivate(aWorkerPrivate)
{
mWorkerPrivate->AssertIsOnWorkerThread();
}
Performance::~Performance()
{
mWorkerPrivate->AssertIsOnWorkerThread();
}
JSObject*
Performance::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
{
return PerformanceBinding_workers::Wrap(aCx, this, aGivenProto);
}
DOMHighResTimeStamp
Performance::Now() const
{
TimeDuration duration =
TimeStamp::Now() - mWorkerPrivate->NowBaseTimeStamp();
return RoundTime(duration.ToMilliseconds());
}
// To be removed once bug 1124165 lands
bool
Performance::IsPerformanceTimingAttribute(const nsAString& aName)
{
// In workers we just support navigationStart.
return aName.EqualsASCII("navigationStart");
}
DOMHighResTimeStamp
Performance::GetPerformanceTimingFromString(const nsAString& aProperty)
{
if (!IsPerformanceTimingAttribute(aProperty)) {
return 0;
}
if (aProperty.EqualsLiteral("navigationStart")) {
return mWorkerPrivate->NowBaseTime();
}
MOZ_CRASH("IsPerformanceTimingAttribute and GetPerformanceTimingFromString are out of sync");
return 0;
}
void
Performance::InsertUserEntry(PerformanceEntry* aEntry)
{
if (mWorkerPrivate->PerformanceLoggingEnabled()) {
nsAutoCString uri;
nsCOMPtr<nsIURI> scriptURI = mWorkerPrivate->GetResolvedScriptURI();
if (!scriptURI || NS_FAILED(scriptURI->GetHost(uri))) {
// If we have no URI, just put in "none".
uri.AssignLiteral("none");
}
PerformanceBase::LogEntry(aEntry, uri);
}
PerformanceBase::InsertUserEntry(aEntry);
}
TimeStamp
Performance::CreationTimeStamp() const
{
return mWorkerPrivate->NowBaseTimeStamp();
}
DOMHighResTimeStamp
Performance::CreationTime() const
{
return mWorkerPrivate->NowBaseTime();
}
void
Performance::DispatchBufferFullEvent()
{
// This method is needed just for InsertResourceEntry, but this method is not
// exposed to workers.
MOZ_CRASH("This should not be called.");
}
END_WORKERS_NAMESPACE