/platform/external/webkit/WebCore/bridge/runtime_root.h

https://github.com/aharish/totoro-gb-opensource-update2 · C Header · 91 lines · 45 code · 22 blank · 24 comment · 0 complexity · 7908867397dbd98b429c5c521ec5766f MD5 · raw file

  1. /*
  2. * Copyright (C) 2004 Apple Computer, 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. #ifndef RUNTIME_ROOT_H_
  26. #define RUNTIME_ROOT_H_
  27. #if PLATFORM(MAC)
  28. #include "jni_jsobject.h"
  29. #endif
  30. #include <runtime/Protect.h>
  31. #include <wtf/Forward.h>
  32. #include <wtf/HashSet.h>
  33. #include <wtf/Noncopyable.h>
  34. #include <wtf/PassRefPtr.h>
  35. #include <wtf/RefCounted.h>
  36. namespace JSC {
  37. class Interpreter;
  38. class JSGlobalObject;
  39. class RuntimeObjectImp;
  40. namespace Bindings {
  41. class RootObject;
  42. typedef HashCountedSet<JSObject*> ProtectCountSet;
  43. extern RootObject* findProtectingRootObject(JSObject*);
  44. extern RootObject* findRootObject(JSGlobalObject*);
  45. class RootObject : public RefCounted<RootObject> {
  46. friend class JavaJSObject;
  47. public:
  48. ~RootObject();
  49. static PassRefPtr<RootObject> create(const void* nativeHandle, JSGlobalObject*);
  50. bool isValid() { return m_isValid; }
  51. void invalidate();
  52. void gcProtect(JSObject*);
  53. void gcUnprotect(JSObject*);
  54. bool gcIsProtected(JSObject*);
  55. const void* nativeHandle() const;
  56. JSGlobalObject* globalObject() const;
  57. void addRuntimeObject(RuntimeObjectImp*);
  58. void removeRuntimeObject(RuntimeObjectImp*);
  59. private:
  60. RootObject(const void* nativeHandle, JSGlobalObject*);
  61. bool m_isValid;
  62. const void* m_nativeHandle;
  63. ProtectedPtr<JSGlobalObject> m_globalObject;
  64. ProtectCountSet m_protectCountSet;
  65. HashSet<RuntimeObjectImp*> m_runtimeObjects;
  66. };
  67. } // namespace Bindings
  68. } // namespace JSC
  69. #endif // RUNTIME_ROOT_H_