FunctionDispatcher.h 1.9 KB

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  1. /*
  2. * Copyright (C) 2013 Apple Inc. All rights reserved.
  3. *
  4. * Redistribution and use in source and binary forms, with or without
  5. * modification, are permitted provided that the following conditions
  6. * are met:
  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.
  12. *
  13. * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
  14. * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  15. * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16. * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
  17. * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  18. * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  19. * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  20. * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  21. * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  22. * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  23. * THE POSSIBILITY OF SUCH DAMAGE.
  24. */
  25. #include <wtf/Forward.h>
  26. #include <wtf/ThreadSafeRefCounted.h>
  27. namespace WTF {
  28. // FunctionDispatcher is an abstract representation of something that functions can be
  29. // dispatched to. This can for example be a run loop or a work queue.
  30. class FunctionDispatcher : public ThreadSafeRefCounted<FunctionDispatcher> {
  31. public:
  32. WTF_EXPORT_PRIVATE virtual ~FunctionDispatcher();
  33. virtual void dispatch(const Function<void ()>&) = 0;
  34. protected:
  35. WTF_EXPORT_PRIVATE FunctionDispatcher();
  36. };
  37. } // namespace WTF
  38. using WTF::FunctionDispatcher;