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author | Steve Block <steveblock@google.com> | 2011-05-06 11:45:16 +0100 |
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committer | Steve Block <steveblock@google.com> | 2011-05-12 13:44:10 +0100 |
commit | cad810f21b803229eb11403f9209855525a25d57 (patch) | |
tree | 29a6fd0279be608e0fe9ffe9841f722f0f4e4269 /Source/WebCore/plugins/PluginMainThreadScheduler.h | |
parent | 121b0cf4517156d0ac5111caf9830c51b69bae8f (diff) | |
download | external_webkit-cad810f21b803229eb11403f9209855525a25d57.zip external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.gz external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.bz2 |
Merge WebKit at r75315: Initial merge by git.
Change-Id: I570314b346ce101c935ed22a626b48c2af266b84
Diffstat (limited to 'Source/WebCore/plugins/PluginMainThreadScheduler.h')
-rw-r--r-- | Source/WebCore/plugins/PluginMainThreadScheduler.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/Source/WebCore/plugins/PluginMainThreadScheduler.h b/Source/WebCore/plugins/PluginMainThreadScheduler.h new file mode 100644 index 0000000..610e89c --- /dev/null +++ b/Source/WebCore/plugins/PluginMainThreadScheduler.h @@ -0,0 +1,86 @@ +/* + * Copyright (C) 2008 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 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. + */ + +#ifndef PluginMainThreadScheduler_h +#define PluginMainThreadScheduler_h + +#include <wtf/Deque.h> +#include <wtf/HashMap.h> +#include <wtf/MainThread.h> +#include <wtf/Threading.h> + +typedef struct _NPP NPP_t; +typedef NPP_t* NPP; + +namespace WebCore { + +class PluginMainThreadScheduler : public Noncopyable { +public: + typedef void MainThreadFunction(void*); + + static PluginMainThreadScheduler& scheduler(); + + void scheduleCall(NPP, MainThreadFunction*, void* userData); + + void registerPlugin(NPP); + void unregisterPlugin(NPP); + +private: + PluginMainThreadScheduler(); + void dispatchCalls(); + + class Call; + + void dispatchCallsForPlugin(NPP, const Deque<Call>& calls); + typedef HashMap<NPP, Deque<Call> > CallQueueMap; + + static void mainThreadCallback(void* context); + + class Call { + public: + Call(MainThreadFunction* function, void* userData) + : m_function(function) + , m_userData(userData) + { + } + + void performCall() const + { + m_function(m_userData); + } + + private: + MainThreadFunction* m_function; + void* m_userData; + }; + + bool m_callPending; + CallQueueMap m_callQueueMap; + Mutex m_queueMutex; +}; + +} // namespace WebCore + +#endif // PluginMainThreadScheduler_h |