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/*
* Copyright (C) 2022 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 "WakeLockSentinel.h"
#include "EventNames.h"
#include "Exception.h"
#include "JSDOMPromiseDeferred.h"
#include "WakeLockManager.h"
#include <wtf/IsoMallocInlines.h>
namespace WebCore {
WTF_MAKE_ISO_ALLOCATED_IMPL(WakeLockSentinel);
WakeLockSentinel::WakeLockSentinel(Document& document, WakeLockType type)
: ActiveDOMObject(&document)
, m_type(type)
{
}
void WakeLockSentinel::release(Ref<DeferredPromise>&& promise)
{
if (!m_wasReleased) {
if (auto* document = downcast<Document>(scriptExecutionContext()))
Ref { *this }->release(document->wakeLockManager());
}
promise->resolve();
}
// https://www.w3.org/TR/screen-wake-lock/#dfn-release-a-wake-lock
void WakeLockSentinel::release(WakeLockManager& manager)
{
manager.removeWakeLock(*this);
m_wasReleased = true;
if (scriptExecutionContext() && !scriptExecutionContext()->activeDOMObjectsAreStopped())
dispatchEvent(Event::create(eventNames().releaseEvent, Event::CanBubble::No, Event::IsCancelable::No));
}
const char* WakeLockSentinel::activeDOMObjectName() const
{
return "WakeLockSentinel";
}
// https://www.w3.org/TR/screen-wake-lock/#garbage-collection
bool WakeLockSentinel::virtualHasPendingActivity() const
{
return m_hasReleaseEventListener && !m_wasReleased;
}
void WakeLockSentinel::eventListenersDidChange()
{
m_hasReleaseEventListener = hasEventListeners(eventNames().releaseEvent);
}
} // namespace WebCore
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