DxeFileExplorerProtocol.c

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#include <Uefi.h>
#include <Base.h>
#include <Protocol/FileExplorer.h>
 
#include <Library/FileExplorerLib.h>
 
#include <Library/BaseLib.h>
#include <Library/DebugLib.h>
 
EFI_FILE_EXPLORER_PROTOCOL  *mProtocol = NULL;
 
EFI_STATUS
EFIAPI
FileExplorerConstructor (
  IN EFI_HANDLE        ImageHandle,
  IN EFI_SYSTEM_TABLE  *SystemTable
  )
{
  EFI_STATUS  Status;
 
  Status = SystemTable->BootServices->LocateProtocol (
                                        &gEfiFileExplorerProtocolGuid,
                                        NULL,
                                        (VOID **)&mProtocol
                                        );
  ASSERT_EFI_ERROR (Status);
  ASSERT (mProtocol != NULL);
 
  return Status;
}
 
EFI_STATUS
EFIAPI
ChooseFile (
  IN  EFI_DEVICE_PATH_PROTOCOL  *RootDirectory,
  IN  CHAR16                    *FileType   OPTIONAL,
  IN  CHOOSE_HANDLER            ChooseHandler   OPTIONAL,
  OUT EFI_DEVICE_PATH_PROTOCOL  **File  OPTIONAL
  )
{
  return mProtocol->ChooseFile (RootDirectory, FileType, ChooseHandler, File);
}