Client Side Speed Index

third_party/WebKit/Source/core/frame/LocalDOMWindow.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 50 matching lines @@
 #include "core/inspector/InspectorInstrumentation.h"
 #include "core/loader/DocumentLoader.h"
 #include "core/loader/FrameLoaderClient.h"
 #include "core/loader/SinkDocument.h"
 #include "core/loader/appcache/ApplicationCache.h"
 #include "core/page/ChromeClient.h"
 #include "core/page/CreateWindow.h"
 #include "core/page/Page.h"
 #include "core/page/WindowFeatures.h"
 #include "core/page/scrolling/ScrollingCoordinator.h"
+#include "core/paint/PaintTiming.h"
 #include "platform/EventDispatchForbiddenScope.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebFrameScheduler.h"
 #include "public/platform/WebScreenInfo.h"
 
 namespace blink {
 
 LocalDOMWindow::WindowFrameObserver::WindowFrameObserver(LocalDOMWindow* window, LocalFrame& frame)
     : LocalFrameLifecycleObserver(&frame)
     , m_window(window)
@@ skipping 1295 matching lines @@
 
 void LocalDOMWindow::dispatchLoadEvent()
 {
     RefPtrWillBeRawPtr<Event> loadEvent(Event::create(EventTypeNames::load));
     if (frame() && frame()->loader().documentLoader() && !frame()->loader().documentLoader()->timing().loadEventStart()) {
         // The DocumentLoader (and thus its DocumentLoadTiming) might get destroyed while dispatching
         // the event, so protect it to prevent writing the end time into freed memory.
         RefPtrWillBeRawPtr<DocumentLoader> documentLoader = frame()->loader().documentLoader();
         DocumentLoadTiming& timing = documentLoader->timing();
         timing.markLoadEventStart();
+        if (frame()->isMainFrame()) {
+            PaintTiming paintTiming = PaintTiming::from(*frame()->document());
+            paintTiming.speedIndex(timing.navigationStart());
+        }
         dispatchEvent(loadEvent, document());
         timing.markLoadEventEnd();
     } else {
         dispatchEvent(loadEvent, document());
     }
 
     // For load events, send a separate load event to the enclosing frame only.
     // This is a DOM extension and is independent of bubbling/capturing rules of
     // the DOM.
     FrameOwner* owner = frame() ? frame()->owner() : nullptr;
@@ skipping 137 matching lines @@
 {
     // If the LocalDOMWindow still has a frame reference, that frame must point
     // back to this LocalDOMWindow: otherwise, it's easy to get into a situation
     // where script execution leaks between different LocalDOMWindows.
     if (m_frameObserver->frame())
         ASSERT_WITH_SECURITY_IMPLICATION(m_frameObserver->frame()->domWindow() == this);
     return m_frameObserver->frame();
 }
 
 } // namespace blink