gecko-dev/dom/base/nsPerformance.cpp

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2012-05-21 15:12:37 +04:00
/* 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 "nsPerformance.h"
#include "nsCOMPtr.h"
#include "nsITimedChannel.h"
#include "nsDOMNavigationTiming.h"
#include "nsContentUtils.h"
#include "nsIDOMWindow.h"
#include "mozilla/dom/PerformanceBinding.h"
#include "mozilla/dom/PerformanceTimingBinding.h"
#include "mozilla/dom/PerformanceNavigationBinding.h"
#include "mozilla/TimeStamp.h"
using namespace mozilla;
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_1(nsPerformanceTiming, mPerformance)
NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(nsPerformanceTiming, AddRef)
NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(nsPerformanceTiming, Release)
nsPerformanceTiming::nsPerformanceTiming(nsPerformance* aPerformance,
nsITimedChannel* aChannel)
: mPerformance(aPerformance),
mChannel(aChannel)
{
MOZ_ASSERT(aPerformance, "Parent performance object should be provided");
SetIsDOMBinding();
}
nsPerformanceTiming::~nsPerformanceTiming()
{
}
DOMTimeMilliSec
nsPerformanceTiming::DomainLookupStart() const
{
if (!nsContentUtils::IsPerformanceTimingEnabled()) {
return 0;
}
if (!mChannel) {
return FetchStart();
}
mozilla::TimeStamp stamp;
mChannel->GetDomainLookupStart(&stamp);
return GetDOMTiming()->TimeStampToDOMOrFetchStart(stamp);
}
DOMTimeMilliSec
nsPerformanceTiming::DomainLookupEnd() const
{
if (!nsContentUtils::IsPerformanceTimingEnabled()) {
return 0;
}
if (!mChannel) {
return FetchStart();
}
mozilla::TimeStamp stamp;
mChannel->GetDomainLookupEnd(&stamp);
return GetDOMTiming()->TimeStampToDOMOrFetchStart(stamp);
}
DOMTimeMilliSec
nsPerformanceTiming::ConnectStart() const
{
if (!nsContentUtils::IsPerformanceTimingEnabled()) {
return 0;
}
if (!mChannel) {
return FetchStart();
}
mozilla::TimeStamp stamp;
mChannel->GetConnectStart(&stamp);
return GetDOMTiming()->TimeStampToDOMOrFetchStart(stamp);
}
DOMTimeMilliSec
nsPerformanceTiming::ConnectEnd() const
{
if (!nsContentUtils::IsPerformanceTimingEnabled()) {
return 0;
}
if (!mChannel) {
return FetchStart();
}
mozilla::TimeStamp stamp;
mChannel->GetConnectEnd(&stamp);
return GetDOMTiming()->TimeStampToDOMOrFetchStart(stamp);
}
DOMTimeMilliSec
nsPerformanceTiming::RequestStart() const
{
if (!nsContentUtils::IsPerformanceTimingEnabled()) {
return 0;
}
if (!mChannel) {
return FetchStart();
}
mozilla::TimeStamp stamp;
mChannel->GetRequestStart(&stamp);
return GetDOMTiming()->TimeStampToDOMOrFetchStart(stamp);
}
DOMTimeMilliSec
nsPerformanceTiming::ResponseStart() const
{
if (!nsContentUtils::IsPerformanceTimingEnabled()) {
return 0;
}
if (!mChannel) {
return FetchStart();
}
mozilla::TimeStamp stamp;
mChannel->GetResponseStart(&stamp);
mozilla::TimeStamp cacheStamp;
mChannel->GetCacheReadStart(&cacheStamp);
if (stamp.IsNull() || (!cacheStamp.IsNull() && cacheStamp < stamp)) {
stamp = cacheStamp;
}
return GetDOMTiming()->TimeStampToDOMOrFetchStart(stamp);
}
DOMTimeMilliSec
nsPerformanceTiming::ResponseEnd() const
{
if (!nsContentUtils::IsPerformanceTimingEnabled()) {
return 0;
}
if (!mChannel) {
return FetchStart();
}
mozilla::TimeStamp stamp;
mChannel->GetResponseEnd(&stamp);
mozilla::TimeStamp cacheStamp;
mChannel->GetCacheReadEnd(&cacheStamp);
if (stamp.IsNull() || (!cacheStamp.IsNull() && cacheStamp < stamp)) {
stamp = cacheStamp;
}
return GetDOMTiming()->TimeStampToDOMOrFetchStart(stamp);
}
JSObject*
nsPerformanceTiming::WrapObject(JSContext *cx, JS::Handle<JSObject*> scope)
{
return dom::PerformanceTimingBinding::Wrap(cx, scope, this);
}
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_1(nsPerformanceNavigation, mPerformance)
NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(nsPerformanceNavigation, AddRef)
NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(nsPerformanceNavigation, Release)
nsPerformanceNavigation::nsPerformanceNavigation(nsPerformance* aPerformance)
: mPerformance(aPerformance)
{
MOZ_ASSERT(aPerformance, "Parent performance object should be provided");
SetIsDOMBinding();
}
nsPerformanceNavigation::~nsPerformanceNavigation()
{
}
JSObject*
nsPerformanceNavigation::WrapObject(JSContext *cx, JS::Handle<JSObject*> scope)
{
return dom::PerformanceNavigationBinding::Wrap(cx, scope, this);
}
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_3(nsPerformance,
mWindow, mTiming,
mNavigation)
NS_IMPL_CYCLE_COLLECTING_ADDREF(nsPerformance)
NS_IMPL_CYCLE_COLLECTING_RELEASE(nsPerformance)
nsPerformance::nsPerformance(nsIDOMWindow* aWindow,
nsDOMNavigationTiming* aDOMTiming,
nsITimedChannel* aChannel)
: mWindow(aWindow),
mDOMTiming(aDOMTiming),
mChannel(aChannel)
{
MOZ_ASSERT(aWindow, "Parent window object should be provided");
SetIsDOMBinding();
}
nsPerformance::~nsPerformance()
{
}
// QueryInterface implementation for nsPerformance
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(nsPerformance)
NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END
nsPerformanceTiming*
nsPerformance::Timing()
{
if (!mTiming) {
mTiming = new nsPerformanceTiming(this, mChannel);
}
return mTiming;
}
nsPerformanceNavigation*
nsPerformance::Navigation()
{
if (!mNavigation) {
mNavigation = new nsPerformanceNavigation(this);
}
return mNavigation;
}
DOMHighResTimeStamp
nsPerformance::Now()
{
return GetDOMTiming()->TimeStampToDOMHighRes(mozilla::TimeStamp::Now());
}
JSObject*
nsPerformance::WrapObject(JSContext *cx, JS::Handle<JSObject*> scope)
{
return dom::PerformanceBinding::Wrap(cx, scope, this);
}