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/*
* Copyright (C) 2009 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 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"
#if USE(ACCELERATED_COMPOSITING)
#include "WKCACFContextFlusher.h"
#include <WebKitSystemInterface/WebKitSystemInterface.h>
#include <wtf/StdLibExtras.h>
namespace WebCore {
WKCACFContextFlusher& WKCACFContextFlusher::shared()
{
DEFINE_STATIC_LOCAL(WKCACFContextFlusher, flusher, ());
return flusher;
}
WKCACFContextFlusher::WKCACFContextFlusher()
{
}
WKCACFContextFlusher::~WKCACFContextFlusher()
{
}
void WKCACFContextFlusher::addContext(WKCACFContext* context)
{
ASSERT(context);
m_contexts.add(context);
}
void WKCACFContextFlusher::removeContext(WKCACFContext* context)
{
ASSERT(context);
m_contexts.remove(context);
}
void WKCACFContextFlusher::flushAllContexts()
{
// addContext might get called beneath CACFContextFlush, and we don't want m_contexts to change while
// we're iterating over it, so we move the contexts into a local ContextSet and iterate over that instead.
ContextSet contextsToFlush;
contextsToFlush.swap(m_contexts);
ContextSet::const_iterator end = contextsToFlush.end();
for (ContextSet::const_iterator it = contextsToFlush.begin(); it != end; ++it)
wkCACFContextFlush(*it);
}
}
#endif // USE(ACCELERATED_COMPOSITING)
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