/platform/external/webkit/WebCore/bindings/js/WorkerScriptController.h

https://github.com/aharish/totoro-gb-opensource-update2 · C Header · 88 lines · 45 code · 18 blank · 25 comment · 1 complexity · 9bd1ce42a07b26dbf87214313d41e1aa MD5 · raw file

  1. /*
  2. * Copyright (C) 2008 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 COMPUTER, 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,
  18. * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  19. * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  20. * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  21. * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23. * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24. *
  25. */
  26. #ifndef WorkerScriptController_h
  27. #define WorkerScriptController_h
  28. #if ENABLE(WORKERS)
  29. #include <runtime/Protect.h>
  30. #include <wtf/Noncopyable.h>
  31. #include <wtf/Threading.h>
  32. namespace JSC {
  33. class JSGlobalData;
  34. }
  35. namespace WebCore {
  36. class JSWorkerContext;
  37. class ScriptSourceCode;
  38. class ScriptValue;
  39. class String;
  40. class WorkerContext;
  41. class WorkerScriptController : public Noncopyable {
  42. public:
  43. WorkerScriptController(WorkerContext*);
  44. ~WorkerScriptController();
  45. JSWorkerContext* workerContextWrapper()
  46. {
  47. initScriptIfNeeded();
  48. return m_workerContextWrapper;
  49. }
  50. ScriptValue evaluate(const ScriptSourceCode&);
  51. ScriptValue evaluate(const ScriptSourceCode&, ScriptValue* exception);
  52. void setException(ScriptValue);
  53. void forbidExecution();
  54. JSC::JSGlobalData* globalData() { return m_globalData.get(); }
  55. private:
  56. void initScriptIfNeeded()
  57. {
  58. if (!m_workerContextWrapper)
  59. initScript();
  60. }
  61. void initScript();
  62. RefPtr<JSC::JSGlobalData> m_globalData;
  63. WorkerContext* m_workerContext;
  64. JSC::ProtectedPtr<JSWorkerContext> m_workerContextWrapper;
  65. Mutex m_sharedDataMutex;
  66. bool m_executionForbidden;
  67. };
  68. } // namespace WebCore
  69. #endif // ENABLE(WORKERS)
  70. #endif // WorkerScriptController_h