/platform/external/webkit/WebCore/bindings/v8/custom/V8EventSourceConstructor.cpp

https://github.com/aharish/totoro-gb-opensource-update2 · C++ · 79 lines · 33 code · 14 blank · 32 comment · 5 complexity · 61f8f4f2aed9c3fc68c42b80757add67 MD5 · raw file

  1. /*
  2. * Copyright (C) 2010 Google 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 are
  6. * met:
  7. *
  8. * * Redistributions of source code must retain the above copyright
  9. * notice, this list of conditions and the following disclaimer.
  10. * * Redistributions in binary form must reproduce the above
  11. * copyright notice, this list of conditions and the following disclaimer
  12. * in the documentation and/or other materials provided with the
  13. * distribution.
  14. * * Neither the name of Google Inc. nor the names of its
  15. * contributors may be used to endorse or promote products derived from
  16. * this software without specific prior written permission.
  17. *
  18. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19. * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20. * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21. * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  22. * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  23. * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  24. * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25. * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26. * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28. * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29. */
  30. #include "config.h"
  31. #if ENABLE(EVENTSOURCE)
  32. #include "V8EventSource.h"
  33. #include "EventSource.h"
  34. #include "Frame.h"
  35. #include "V8Binding.h"
  36. #include "V8Proxy.h"
  37. #include "V8Utilities.h"
  38. #include "WorkerContext.h"
  39. #include "WorkerContextExecutionProxy.h"
  40. namespace WebCore {
  41. v8::Handle<v8::Value> V8EventSource::constructorCallback(const v8::Arguments& args)
  42. {
  43. INC_STATS("DOM.EventSource.Constructor");
  44. if (!args.IsConstructCall())
  45. return throwError("DOM object constructor cannot be called as a function.", V8Proxy::TypeError);
  46. // Expect one parameter.
  47. // Allocate an EventSource object as its internal field.
  48. ScriptExecutionContext* context = getScriptExecutionContext();
  49. if (!context)
  50. return throwError("EventSource constructor's associated context is not available", V8Proxy::ReferenceError);
  51. if (args.Length() != 1)
  52. return throwError("EventSource constructor wrong number of parameters", V8Proxy::TypeError);
  53. ExceptionCode ec = 0;
  54. String url = toWebCoreString(args[0]);
  55. RefPtr<EventSource> eventSource = EventSource::create(url, context, ec);
  56. if (ec)
  57. return throwError(ec);
  58. V8DOMWrapper::setDOMWrapper(args.Holder(), V8ClassIndex::ToInt(V8ClassIndex::EVENTSOURCE), eventSource.get());
  59. // Add object to the wrapper map.
  60. eventSource->ref();
  61. V8DOMWrapper::setJSWrapperForActiveDOMObject(eventSource.get(), v8::Persistent<v8::Object>::New(args.Holder()));
  62. return args.Holder();
  63. }
  64. } // namespace WebCore
  65. #endif // ENABLE(EVENTSOURCE)