JSCallbackConstructor.h 3.0 KB

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  1. /*
  2. * Copyright (C) 2006, 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 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 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. #ifndef JSCallbackConstructor_h
  26. #define JSCallbackConstructor_h
  27. #include "JSDestructibleObject.h"
  28. #include "JSObjectRef.h"
  29. namespace JSC {
  30. class JSCallbackConstructor final : public JSDestructibleObject {
  31. public:
  32. typedef JSDestructibleObject Base;
  33. static const unsigned StructureFlags = Base::StructureFlags | ImplementsHasInstance | ImplementsDefaultHasInstance;
  34. static JSCallbackConstructor* create(ExecState* exec, JSGlobalObject* globalObject, Structure* structure, JSClassRef classRef, JSObjectCallAsConstructorCallback callback)
  35. {
  36. VM& vm = exec->vm();
  37. JSCallbackConstructor* constructor = new (NotNull, allocateCell<JSCallbackConstructor>(vm.heap)) JSCallbackConstructor(globalObject, structure, classRef, callback);
  38. constructor->finishCreation(globalObject, classRef);
  39. return constructor;
  40. }
  41. ~JSCallbackConstructor();
  42. static void destroy(JSCell*);
  43. JSClassRef classRef() const { return m_class; }
  44. JSObjectCallAsConstructorCallback callback() const { return m_callback; }
  45. DECLARE_INFO;
  46. static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue proto)
  47. {
  48. return Structure::create(vm, globalObject, proto, TypeInfo(ObjectType, StructureFlags), info());
  49. }
  50. protected:
  51. JSCallbackConstructor(JSGlobalObject*, Structure*, JSClassRef, JSObjectCallAsConstructorCallback);
  52. void finishCreation(JSGlobalObject*, JSClassRef);
  53. private:
  54. friend struct APICallbackFunction;
  55. static ConstructType getConstructData(JSCell*, ConstructData&);
  56. JSObjectCallAsConstructorCallback constructCallback() { return m_callback; }
  57. JSClassRef m_class;
  58. JSObjectCallAsConstructorCallback m_callback;
  59. };
  60. } // namespace JSC
  61. #endif // JSCallbackConstructor_h