1 files changed, 247 insertions, 0 deletions
diff --git a/dom/base/nsDOMNavigationTiming.cpp b/dom/base/nsDOMNavigationTiming.cpp
new file mode 100644
index 000000000..31b2932fb
--- /dev/null
+++ b/dom/base/nsDOMNavigationTiming.cpp
@@ -0,0 +1,247 @@
+/* -*- 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 "nsDOMNavigationTiming.h"
+
+#include "GeckoProfiler.h"
+#include "nsCOMPtr.h"
+#include "nsContentUtils.h"
+#include "nsIScriptSecurityManager.h"
+#include "prtime.h"
+#include "nsIURI.h"
+#include "nsPrintfCString.h"
+#include "mozilla/dom/PerformanceNavigation.h"
+#include "mozilla/TimeStamp.h"
+
+nsDOMNavigationTiming::nsDOMNavigationTiming()
+{
+  Clear();
+}
+
+nsDOMNavigationTiming::~nsDOMNavigationTiming()
+{
+}
+
+void
+nsDOMNavigationTiming::Clear()
+{
+  mNavigationType = TYPE_RESERVED;
+  mNavigationStartHighRes = 0;
+  mBeforeUnloadStart = 0;
+  mUnloadStart = 0;
+  mUnloadEnd = 0;
+  mLoadEventStart = 0;
+  mLoadEventEnd = 0;
+  mDOMLoading = 0;
+  mDOMInteractive = 0;
+  mDOMContentLoadedEventStart = 0;
+  mDOMContentLoadedEventEnd = 0;
+  mDOMComplete = 0;
+
+  mLoadEventStartSet = false;
+  mLoadEventEndSet = false;
+  mDOMLoadingSet = false;
+  mDOMInteractiveSet = false;
+  mDOMContentLoadedEventStartSet = false;
+  mDOMContentLoadedEventEndSet = false;
+  mDOMCompleteSet = false;
+  mDocShellHasBeenActiveSinceNavigationStart = false;
+}
+
+DOMTimeMilliSec
+nsDOMNavigationTiming::TimeStampToDOM(mozilla::TimeStamp aStamp) const
+{
+  if (aStamp.IsNull()) {
+    return 0;
+  }
+  mozilla::TimeDuration duration = aStamp - mNavigationStartTimeStamp;
+  return GetNavigationStart() + static_cast<int64_t>(duration.ToMilliseconds());
+}
+
+DOMTimeMilliSec nsDOMNavigationTiming::DurationFromStart()
+{
+  return TimeStampToDOM(mozilla::TimeStamp::Now());
+}
+
+void
+nsDOMNavigationTiming::NotifyNavigationStart(DocShellState aDocShellState)
+{
+  mNavigationStartHighRes = (double)PR_Now() / PR_USEC_PER_MSEC;
+  mNavigationStartTimeStamp = mozilla::TimeStamp::Now();
+  mDocShellHasBeenActiveSinceNavigationStart = (aDocShellState == DocShellState::eActive);
+}
+
+void
+nsDOMNavigationTiming::NotifyFetchStart(nsIURI* aURI, Type aNavigationType)
+{
+  mNavigationType = aNavigationType;
+  // At the unload event time we don't really know the loading uri.
+  // Need it for later check for unload timing access.
+  mLoadedURI = aURI;
+}
+
+void
+nsDOMNavigationTiming::NotifyBeforeUnload()
+{
+  mBeforeUnloadStart = DurationFromStart();
+}
+
+void
+nsDOMNavigationTiming::NotifyUnloadAccepted(nsIURI* aOldURI)
+{
+  mUnloadStart = mBeforeUnloadStart;
+  mUnloadedURI = aOldURI;
+}
+
+void
+nsDOMNavigationTiming::NotifyUnloadEventStart()
+{
+  mUnloadStart = DurationFromStart();
+}
+
+void
+nsDOMNavigationTiming::NotifyUnloadEventEnd()
+{
+  mUnloadEnd = DurationFromStart();
+}
+
+void
+nsDOMNavigationTiming::NotifyLoadEventStart()
+{
+  if (!mLoadEventStartSet) {
+    mLoadEventStart = DurationFromStart();
+    mLoadEventStartSet = true;
+  }
+}
+
+void
+nsDOMNavigationTiming::NotifyLoadEventEnd()
+{
+  if (!mLoadEventEndSet) {
+    mLoadEventEnd = DurationFromStart();
+    mLoadEventEndSet = true;
+  }
+}
+
+void
+nsDOMNavigationTiming::SetDOMLoadingTimeStamp(nsIURI* aURI, mozilla::TimeStamp aValue)
+{
+  if (!mDOMLoadingSet) {
+    mLoadedURI = aURI;
+    mDOMLoading = TimeStampToDOM(aValue);
+    mDOMLoadingSet = true;
+  }
+}
+
+void
+nsDOMNavigationTiming::NotifyDOMLoading(nsIURI* aURI)
+{
+  if (!mDOMLoadingSet) {
+    mLoadedURI = aURI;
+    mDOMLoading = DurationFromStart();
+    mDOMLoadingSet = true;
+  }
+}
+
+void
+nsDOMNavigationTiming::NotifyDOMInteractive(nsIURI* aURI)
+{
+  if (!mDOMInteractiveSet) {
+    mLoadedURI = aURI;
+    mDOMInteractive = DurationFromStart();
+    mDOMInteractiveSet = true;
+  }
+}
+
+void
+nsDOMNavigationTiming::NotifyDOMComplete(nsIURI* aURI)
+{
+  if (!mDOMCompleteSet) {
+    mLoadedURI = aURI;
+    mDOMComplete = DurationFromStart();
+    mDOMCompleteSet = true;
+  }
+}
+
+void
+nsDOMNavigationTiming::NotifyDOMContentLoadedStart(nsIURI* aURI)
+{
+  if (!mDOMContentLoadedEventStartSet) {
+    mLoadedURI = aURI;
+    mDOMContentLoadedEventStart = DurationFromStart();
+    mDOMContentLoadedEventStartSet = true;
+  }
+}
+
+void
+nsDOMNavigationTiming::NotifyDOMContentLoadedEnd(nsIURI* aURI)
+{
+  if (!mDOMContentLoadedEventEndSet) {
+    mLoadedURI = aURI;
+    mDOMContentLoadedEventEnd = DurationFromStart();
+    mDOMContentLoadedEventEndSet = true;
+  }
+}
+
+void
+nsDOMNavigationTiming::NotifyNonBlankPaintForRootContentDocument()
+{
+  MOZ_ASSERT(NS_IsMainThread());
+  MOZ_ASSERT(!mNavigationStartTimeStamp.IsNull());
+
+  if (!mNonBlankPaintTimeStamp.IsNull()) {
+    return;
+  }
+
+  mNonBlankPaintTimeStamp = TimeStamp::Now();
+  TimeDuration elapsed = mNonBlankPaintTimeStamp - mNavigationStartTimeStamp;
+
+  if (profiler_is_active()) {
+    nsAutoCString spec;
+    if (mLoadedURI) {
+      mLoadedURI->GetSpec(spec);
+    }
+    nsPrintfCString marker("Non-blank paint after %dms for URL %s, %s",
+                           int(elapsed.ToMilliseconds()), spec.get(),
+                           mDocShellHasBeenActiveSinceNavigationStart ? "foreground tab" : "this tab was inactive some of the time between navigation start and first non-blank paint");
+    PROFILER_MARKER(marker.get());
+  }
+
+  if (mDocShellHasBeenActiveSinceNavigationStart) {
+    Telemetry::AccumulateTimeDelta(Telemetry::TIME_TO_NON_BLANK_PAINT_MS,
+                                   mNavigationStartTimeStamp,
+                                   mNonBlankPaintTimeStamp);
+  }
+}
+
+void
+nsDOMNavigationTiming::NotifyDocShellStateChanged(DocShellState aDocShellState)
+{
+  mDocShellHasBeenActiveSinceNavigationStart &=
+    (aDocShellState == DocShellState::eActive);
+}
+
+DOMTimeMilliSec
+nsDOMNavigationTiming::GetUnloadEventStart()
+{
+  nsIScriptSecurityManager* ssm = nsContentUtils::GetSecurityManager();
+  nsresult rv = ssm->CheckSameOriginURI(mLoadedURI, mUnloadedURI, false);
+  if (NS_SUCCEEDED(rv)) {
+    return mUnloadStart;
+  }
+  return 0;
+}
+
+DOMTimeMilliSec
+nsDOMNavigationTiming::GetUnloadEventEnd()
+{
+  nsIScriptSecurityManager* ssm = nsContentUtils::GetSecurityManager();
+  nsresult rv = ssm->CheckSameOriginURI(mLoadedURI, mUnloadedURI, false);
+  if (NS_SUCCEEDED(rv)) {
+    return mUnloadEnd;
+  }
+  return 0;
+}