Interface Download.FailedCallback

All Superinterfaces:
FunctionPointer
Enclosing class:
Download
Functional Interface:
This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
@FunctionalInterface public static interface Download.FailedCallback extends FunctionPointer

Functional interface declaration of the FailedCallback callback.

See Also:

  • Method Details

    • run

      void run(@Nullable GError error)
      This signal is emitted when an error occurs during the download operation. The given error, of the domain WEBKIT_DOWNLOAD_ERROR, contains further details of the failure. If the download is cancelled with webkit_download_cancel(), this signal is emitted with error DownloadError.CANCELLED_BY_USER. The download operation finishes after an error and WebKitDownload::finished signal is emitted after this one.

    • upcall

      default void upcall(MemorySegment sourceDownload, MemorySegment error)
      The upcall method is called from native code. The parameters are marshaled and run(GError) is executed.

    • toCallback

      default MemorySegment toCallback(Arena arena)
      Creates a native function pointer to the upcall(MemorySegment, MemorySegment) method.
      Specified by:
      toCallback in interface FunctionPointer
      Parameters:
      arena - the arena in which the function pointer is allocated
      Returns:
      the native function pointer