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XPCOM & Utilities [ << Previous | Contents | Next >> ]
  • XPCOM (XP = cross platform)
    • Component based architecture.
      • Components are dynamically registered with a cross platform registry.
      • Component retrieval is accomplished via do_CreateInstance() and do_GetService().
    • Similar to COM, however, it does not support...
      • transparent cross-thread or DCOM-like cross-process proxying.
    • Reference counting memory management model.
    • nsISupports (functionally equivalent to IUnknown)
      • QueryInterface(), AddRef(), Release()
  • Utility/convenience classes
    • nsA[C]String - root Mozilla abstract string class.
    • nsCOMPtr is XPCOM's "smart pointer."