node/src/async-wrap.h

// Copyright Joyent, Inc. and other Node contributors.
//
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// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
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// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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#ifndef SRC_ASYNC_WRAP_H_
#define SRC_ASYNC_WRAP_H_

#include "base-object.h"
#include "env.h"
#include "v8.h"

namespace node {

class AsyncWrap : public BaseObject {
 public:
  enum AsyncFlags {
    NO_OPTIONS = 0,
    HAS_ASYNC_LISTENER = 1
  };

  inline AsyncWrap(Environment* env, v8::Handle<v8::Object> object);

  inline ~AsyncWrap();

  inline uint32_t async_flags() const;

  inline bool has_async_listener();

  // Only call these within a valid HandleScope.
  inline v8::Handle<v8::Value> MakeCallback(const v8::Handle<v8::Function> cb,
                                            int argc,
                                            v8::Handle<v8::Value>* argv);
  inline v8::Handle<v8::Value> MakeCallback(const v8::Handle<v8::String> symbol,
                                            int argc,
                                            v8::Handle<v8::Value>* argv);
  inline v8::Handle<v8::Value> MakeCallback(uint32_t index,
                                            int argc,
                                            v8::Handle<v8::Value>* argv);

 private:
  inline AsyncWrap();

  // TODO(trevnorris): BURN IN FIRE! Remove this as soon as a suitable
  // replacement is committed.
  inline v8::Handle<v8::Value> MakeDomainCallback(
      const v8::Handle<v8::Function> cb,
      int argc,
      v8::Handle<v8::Value>* argv);

  uint32_t async_flags_;
};

}  // namespace node


#endif  // SRC_ASYNC_WRAP_H_