gecko-dev/widget/windows/PPDFium.ipdl

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

namespace mozilla {
namespace widget {


/**
 * A protocol for communicating with the PDFium processes. Useful for
 * converting a PDF file to EMF contents.
 *
 * PDFium processes are created on-demand as necessary.
 */
protocol PPDFium
{
parent:
  /**
   * Called by the PDFium process once the PDF has been converted to EMF.
   */
  async ConvertToEMFDone(nsresult aResult, Shmem aEMFContents);

child:
  /**
   * Start to convert a PDF file to EMF contents.
   */
  async ConvertToEMF(FileDescriptor aFD, int aPageWidth, int aPageHeight);
};

} // namespace widget
} // namespace mozilla