dom/file/ipc/IPCBlob.ipdlh
author Alex Gaynor <agaynor@mozilla.com>
Fri, 15 Mar 2019 17:09:59 +0000
changeset 464436 b9479ab9a8f378b5d46fd1e212b5f6be16565264
parent 452536 83b0c68b0a852cda82448eeda4efcd5f62020eee
permissions -rw-r--r--
Bug 1535397 - Part 2 - use native Maybe syntax in place of IPCFileUnion in IDPL; r=baku Differential Revision: https://phabricator.services.mozilla.com/D23559

/* 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/. */

include protocol PChildToParentStream;
include protocol PParentToChildStream;
include protocol PIPCBlobInputStream;

include IPCStream;
include ProtocolTypes;

using struct mozilla::void_t
  from "ipc/IPCMessageUtils.h";

namespace mozilla {
namespace dom {

// This contains any extra bit for making a File out of a Blob.
// For more information about Blobs and IPC, please read the comments in
// IPCBlobUtils.h

struct IPCFile
{
  nsString name;
  int64_t lastModified;
  nsString DOMPath;
  nsString fullPath;

  // Useful for Entries API.
  bool isDirectory;
};

union IPCBlobStream
{
  // Parent to Child: The child will receive a IPCBlobInputStream. Nothing
  // can be done with it except retrieving the size.
  PIPCBlobInputStream;

  // Child to Parent: Normal serialization.
  IPCStream;
};

struct IPCBlob
{
  nsString type;
  uint64_t size;
  nsString blobImplType;

  IPCBlobStream inputStream;

  // Nothing is for Blob
  IPCFile? file;

  // This ID is used only by indexedDB tests.
  int64_t fileId;
};

} // namespace dom
} // namespace mozilla