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/*
* Copyright (C) 2016-2017 Apple 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 APPLE 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 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.
*/
#pragma once
#include "Timer.h"
#include <wtf/HashMap.h>
#include <wtf/NeverDestroyed.h>
#include <wtf/text/WTFString.h>
namespace WTF {
class Lock;
class WorkQueue;
class WallTime;
}
namespace WebCore {
class Document;
class Frame;
class Page;
class ResourceRequest;
class ResourceResponse;
class URL;
struct ResourceLoadStatistics;
class ResourceLoadObserver {
friend class WTF::NeverDestroyed<ResourceLoadObserver>;
public:
WEBCORE_EXPORT static ResourceLoadObserver& shared();
WEBCORE_EXPORT void setShouldThrottleObserverNotifications(bool);
void logFrameNavigation(const Frame&, const Frame& topFrame, const ResourceRequest& newRequest);
void logSubresourceLoading(const Frame*, const ResourceRequest& newRequest, const ResourceResponse& redirectResponse);
void logWebSocketLoading(const Frame*, const URL&);
void logUserInteractionWithReducedTimeResolution(const Document&);
WEBCORE_EXPORT String statisticsForOrigin(const String&);
WEBCORE_EXPORT void setNotificationCallback(WTF::Function<void (Vector<ResourceLoadStatistics>&&)>&&);
WEBCORE_EXPORT void clearState();
private:
ResourceLoadObserver();
bool shouldLog(Page*) const;
ResourceLoadStatistics& ensureResourceStatisticsForPrimaryDomain(const String&);
void scheduleNotificationIfNeeded();
void notifyObserver();
Vector<ResourceLoadStatistics> takeStatistics();
HashMap<String, ResourceLoadStatistics> m_resourceStatisticsMap;
HashMap<String, WTF::WallTime> m_lastReportedUserInteractionMap;
WTF::Function<void (Vector<ResourceLoadStatistics>&&)> m_notificationCallback;
Timer m_notificationTimer;
};
} // namespace WebCore
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