2 * Copyright (C) 2009 Apple Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 #if USE(ACCELERATED_COMPOSITING)
30 #include "WKCACFContextFlusher.h"
32 #include <WebKitSystemInterface/WebKitSystemInterface.h>
33 #include <wtf/StdLibExtras.h>
37 WKCACFContextFlusher& WKCACFContextFlusher::shared()
39 DEFINE_STATIC_LOCAL(WKCACFContextFlusher, flusher, ());
43 WKCACFContextFlusher::WKCACFContextFlusher()
47 WKCACFContextFlusher::~WKCACFContextFlusher()
51 void WKCACFContextFlusher::addContext(WKCACFContext* context)
55 m_contexts.add(context);
58 void WKCACFContextFlusher::removeContext(WKCACFContext* context)
62 m_contexts.remove(context);
65 void WKCACFContextFlusher::flushAllContexts()
67 // addContext might get called beneath CACFContextFlush, and we don't want m_contexts to change while
68 // we're iterating over it, so we move the contexts into a local ContextSet and iterate over that instead.
69 ContextSet contextsToFlush;
70 contextsToFlush.swap(m_contexts);
72 ContextSet::const_iterator end = contextsToFlush.end();
73 for (ContextSet::const_iterator it = contextsToFlush.begin(); it != end; ++it)
74 wkCACFContextFlush(*it);
79 #endif // USE(ACCELERATED_COMPOSITING)