/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 "TimeStamp.h"
#include "nsCOMPtr.h"
#include "nscore.h"
#include "nsIDocShell.h"
#include "nsITimedChannel.h"
#include "nsDOMClassInfoID.h"
#include "nsDOMNavigationTiming.h"

DOMCI_DATA(PerformanceTiming, nsPerformanceTiming)

NS_IMPL_ADDREF(nsPerformanceTiming)
NS_IMPL_RELEASE(nsPerformanceTiming)

// QueryInterface implementation for nsPerformanceTiming
NS_INTERFACE_MAP_BEGIN(nsPerformanceTiming)
  NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIDOMPerformanceTiming)
  NS_INTERFACE_MAP_ENTRY(nsIDOMPerformanceTiming)
  NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(PerformanceTiming)
NS_INTERFACE_MAP_END

nsPerformanceTiming::nsPerformanceTiming(nsDOMNavigationTiming* aDOMTiming, 
                                         nsITimedChannel* aChannel)
{
  NS_ASSERTION(aDOMTiming, "DOM timing data should be provided");
  mDOMTiming = aDOMTiming;
  mChannel = aChannel;  
}

nsPerformanceTiming::~nsPerformanceTiming()
{
}

NS_IMETHODIMP
nsPerformanceTiming::GetNavigationStart(DOMTimeMilliSec* aTime)
{
  return mDOMTiming->GetNavigationStart(aTime);
}

NS_IMETHODIMP
nsPerformanceTiming::GetUnloadEventStart(DOMTimeMilliSec* aTime)
{
  return mDOMTiming->GetUnloadEventStart(aTime);
}

NS_IMETHODIMP
nsPerformanceTiming::GetUnloadEventEnd(DOMTimeMilliSec* aTime)
{
  return mDOMTiming->GetUnloadEventEnd(aTime);
}

NS_IMETHODIMP
nsPerformanceTiming::GetRedirectStart(DOMTimeMilliSec* aTime)
{
  return mDOMTiming->GetRedirectStart(aTime);
}

NS_IMETHODIMP
nsPerformanceTiming::GetRedirectEnd(DOMTimeMilliSec* aTime)
{
  return mDOMTiming->GetRedirectEnd(aTime);
}

NS_IMETHODIMP
nsPerformanceTiming::GetFetchStart(DOMTimeMilliSec* aTime)
{
  return mDOMTiming->GetFetchStart(aTime);
}

NS_IMETHODIMP
nsPerformanceTiming::GetDomainLookupStart(DOMTimeMilliSec* aTime)
{
  if (!mChannel) {
    return GetFetchStart(aTime);
  }
  mozilla::TimeStamp stamp;
  mChannel->GetDomainLookupStart(&stamp);
  return mDOMTiming->TimeStampToDOMOrFetchStart(stamp, aTime);
}

NS_IMETHODIMP
nsPerformanceTiming::GetDomainLookupEnd(DOMTimeMilliSec* aTime)
{
  if (!mChannel) {
    return GetFetchStart(aTime);
  }
  mozilla::TimeStamp stamp;
  mChannel->GetDomainLookupEnd(&stamp);
  return mDOMTiming->TimeStampToDOMOrFetchStart(stamp, aTime);
}

NS_IMETHODIMP
nsPerformanceTiming::GetConnectStart(DOMTimeMilliSec* aTime)
{
  if (!mChannel) {
    return GetFetchStart(aTime);
  }
  mozilla::TimeStamp stamp;
  mChannel->GetConnectStart(&stamp);
  return mDOMTiming->TimeStampToDOMOrFetchStart(stamp, aTime);
}

NS_IMETHODIMP
nsPerformanceTiming::GetConnectEnd(DOMTimeMilliSec* aTime)
{
  if (!mChannel) {
    return GetFetchStart(aTime);
  }
  mozilla::TimeStamp stamp;
  mChannel->GetConnectEnd(&stamp);
  return mDOMTiming->TimeStampToDOMOrFetchStart(stamp, aTime);
}

NS_IMETHODIMP
nsPerformanceTiming::GetRequestStart(DOMTimeMilliSec* aTime)
{
  if (!mChannel) {
    return GetFetchStart(aTime);
  }
  mozilla::TimeStamp stamp;
  mChannel->GetRequestStart(&stamp);
  return mDOMTiming->TimeStampToDOMOrFetchStart(stamp, aTime);
}

NS_IMETHODIMP
nsPerformanceTiming::GetResponseStart(DOMTimeMilliSec* aTime)
{
  if (!mChannel) {
    return GetFetchStart(aTime);
  }
  mozilla::TimeStamp stamp;
  mChannel->GetResponseStart(&stamp);
  mozilla::TimeStamp cacheStamp;
  mChannel->GetCacheReadStart(&cacheStamp);
  if (stamp.IsNull() || (!cacheStamp.IsNull() && cacheStamp < stamp)) {
    stamp = cacheStamp;
  }
  return mDOMTiming->TimeStampToDOMOrFetchStart(stamp, aTime);
}

NS_IMETHODIMP
nsPerformanceTiming::GetResponseEnd(DOMTimeMilliSec* aTime)
{
  if (!mChannel) {
    return GetFetchStart(aTime);
  }
  mozilla::TimeStamp stamp;
  mChannel->GetResponseEnd(&stamp);
  mozilla::TimeStamp cacheStamp;
  mChannel->GetCacheReadEnd(&cacheStamp);
  if (stamp.IsNull() || (!cacheStamp.IsNull() && cacheStamp < stamp)) {
    stamp = cacheStamp;
  }
  return mDOMTiming->TimeStampToDOMOrFetchStart(stamp, aTime);
}

NS_IMETHODIMP
nsPerformanceTiming::GetDomLoading(DOMTimeMilliSec* aTime)
{
  return mDOMTiming->GetDomLoading(aTime);
}

NS_IMETHODIMP
nsPerformanceTiming::GetDomInteractive(DOMTimeMilliSec* aTime)
{
  return mDOMTiming->GetDomInteractive(aTime);
}

NS_IMETHODIMP
nsPerformanceTiming::GetDomContentLoadedEventStart(DOMTimeMilliSec* aTime)
{
  return mDOMTiming->GetDomContentLoadedEventStart(aTime);
}

NS_IMETHODIMP
nsPerformanceTiming::GetDomContentLoadedEventEnd(DOMTimeMilliSec* aTime)
{
  return mDOMTiming->GetDomContentLoadedEventEnd(aTime);
}

NS_IMETHODIMP
nsPerformanceTiming::GetDomComplete(DOMTimeMilliSec* aTime)
{
  return mDOMTiming->GetDomComplete(aTime);
}

NS_IMETHODIMP
nsPerformanceTiming::GetLoadEventStart(DOMTimeMilliSec* aTime)
{
  return mDOMTiming->GetLoadEventStart(aTime);
}

NS_IMETHODIMP
nsPerformanceTiming::GetLoadEventEnd(DOMTimeMilliSec* aTime)
{
  return mDOMTiming->GetLoadEventEnd(aTime);
}



DOMCI_DATA(PerformanceNavigation, nsPerformanceNavigation)

NS_IMPL_ADDREF(nsPerformanceNavigation)
NS_IMPL_RELEASE(nsPerformanceNavigation)

// QueryInterface implementation for nsPerformanceNavigation
NS_INTERFACE_MAP_BEGIN(nsPerformanceNavigation)
  NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIDOMPerformanceNavigation)
  NS_INTERFACE_MAP_ENTRY(nsIDOMPerformanceNavigation)
  NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(PerformanceNavigation)
NS_INTERFACE_MAP_END

nsPerformanceNavigation::nsPerformanceNavigation(nsDOMNavigationTiming* aData)
{
  NS_ASSERTION(aData, "Timing data should be provided");
  mData = aData;
}

nsPerformanceNavigation::~nsPerformanceNavigation()
{
}

NS_IMETHODIMP
nsPerformanceNavigation::GetType(
    nsDOMPerformanceNavigationType* aNavigationType)
{
  return mData->GetType(aNavigationType);
}

NS_IMETHODIMP
nsPerformanceNavigation::GetRedirectCount(PRUint16* aRedirectCount)
{
  return mData->GetRedirectCount(aRedirectCount);
}


DOMCI_DATA(Performance, nsPerformance)

NS_IMPL_ADDREF(nsPerformance)
NS_IMPL_RELEASE(nsPerformance)

nsPerformance::nsPerformance(nsDOMNavigationTiming* aDOMTiming, 
                             nsITimedChannel* aChannel)
{
  NS_ASSERTION(aDOMTiming, "DOM timing data should be provided");
  mDOMTiming = aDOMTiming;
  mChannel = aChannel;  
}

nsPerformance::~nsPerformance()
{
}

// QueryInterface implementation for nsPerformance
NS_INTERFACE_MAP_BEGIN(nsPerformance)
  NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIDOMPerformance)
  NS_INTERFACE_MAP_ENTRY(nsIDOMPerformance)
  NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(Performance)
NS_INTERFACE_MAP_END

//
// nsIDOMPerformance methods
//
NS_IMETHODIMP
nsPerformance::GetTiming(nsIDOMPerformanceTiming** aTiming)
{
  if (!mTiming) {
    mTiming = new nsPerformanceTiming(mDOMTiming, mChannel);
  }
  NS_IF_ADDREF(*aTiming = mTiming);
  return NS_OK;
}

NS_IMETHODIMP
nsPerformance::GetNavigation(nsIDOMPerformanceNavigation** aNavigation)
{
  if (!mNavigation) {
    mNavigation = new nsPerformanceNavigation(mDOMTiming);
  }
  NS_IF_ADDREF(*aNavigation = mNavigation);
  return NS_OK;
}

NS_IMETHODIMP
nsPerformance::Now(DOMHighResTimeStamp* aNow)
{
  *aNow = mDOMTiming->TimeStampToDOMHighRes(mozilla::TimeStamp::Now());
  return NS_OK;
}