57 lines
2.2 KiB
C++
57 lines
2.2 KiB
C++
|
/*
|
||
|
|
* Copyright (C) 2019 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. AND ITS CONTRIBUTORS ``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 ITS 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 "IdleDeadline.h"
|
||
|
|
|
||
|
|
#include "DOMWindow.h"
|
||
|
|
#include "Document.h"
|
||
|
|
#include "Performance.h"
|
||
|
|
#include <wtf/RefPtr.h>
|
||
|
|
|
||
|
|
namespace WebCore {
|
||
|
|
|
||
|
|
DOMHighResTimeStamp IdleDeadline::timeRemaining(Document& document) const
|
||
|
|
{
|
||
|
|
auto window = makeRefPtr(document.domWindow());
|
||
|
|
if (!window)
|
||
|
|
return 0;
|
||
|
|
return window->performance().relativeTimeFromTimeOriginInReducedResolution(m_deadline);
|
||
|
|
}
|
||
|
|
|
||
|
|
bool IdleDeadline::didTimeout(Document& document) const
|
||
|
|
{
|
||
|
|
auto window = makeRefPtr(document.domWindow());
|
||
|
|
if (!window)
|
||
|
|
return true;
|
||
|
|
|
||
|
|
// Reduce the resolution before the comparision to prevent resolution leakage.
|
||
|
|
auto deadline = window->performance().relativeTimeFromTimeOriginInReducedResolution(m_deadline);
|
||
|
|
auto now = window->performance().now();
|
||
|
|
return deadline >= now;
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace WebCore
|