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/*
* Copyright (C) 2010 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 "UserGestureIndicator.h"
#include "Document.h"
#include <wtf/MainThread.h>
#include <wtf/NeverDestroyed.h>
namespace WebCore {
static RefPtr<UserGestureToken>& currentToken()
{
static NeverDestroyed<RefPtr<UserGestureToken>> token;
return token;
}
UserGestureToken::~UserGestureToken()
{
for (auto& observer : m_destructionObservers)
observer(*this);
}
UserGestureIndicator::UserGestureIndicator(std::optional<ProcessingUserGestureState> state, Document* document)
: m_previousToken(currentToken())
{
// Silently ignore UserGestureIndicators on non main threads.
if (!isMainThread())
return;
if (state)
currentToken() = UserGestureToken::create(state.value());
if (document && currentToken()->processingUserGesture()) {
document->topDocument().updateLastHandledUserGestureTimestamp();
document->topDocument().setUserDidInteractWithPage(true);
}
}
UserGestureIndicator::UserGestureIndicator(RefPtr<UserGestureToken> token)
: m_previousToken(currentToken())
{
if (!isMainThread())
return;
if (token)
currentToken() = token;
}
UserGestureIndicator::~UserGestureIndicator()
{
if (!isMainThread())
return;
currentToken() = m_previousToken;
}
RefPtr<UserGestureToken> UserGestureIndicator::currentUserGesture()
{
if (!isMainThread())
return nullptr;
return currentToken();
}
bool UserGestureIndicator::processingUserGesture()
{
if (!isMainThread())
return false;
return currentToken() ? currentToken()->processingUserGesture() : false;
}
bool UserGestureIndicator::processingUserGestureForMedia()
{
if (!isMainThread())
return false;
return currentToken() ? currentToken()->processingUserGestureForMedia() : false;
}
}
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