/* * Copyright (C) 2012 Google, Inc. All rights reserved. * * 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 * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY GOOGLE INC. ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "config.h" #include "FeatureObserver.h" #include "DOMWindow.h" #include "Document.h" #include "HistogramSupport.h" #include "Page.h" namespace WebCore { FeatureObserver::FeatureObserver() { } FeatureObserver::~FeatureObserver() { updateMeasurements(); } void FeatureObserver::updateMeasurements() { if (!m_featureBits) return; // Clearing feature bits is timing sensitive. Ports other than chromium do not use HistogramSupport, // and pull the results on certain navigation events instead. m_featureBits->clearAll(); } void FeatureObserver::didCommitLoad() { updateMeasurements(); } void FeatureObserver::observe(Document* document, Feature feature) { if (!document) return; Page* page = document->page(); if (!page) return; page->featureObserver()->didObserve(feature); } void FeatureObserver::observe(DOMWindow* domWindow, Feature feature) { ASSERT(domWindow); observe(domWindow->document(), feature); } } // namespace WebCore