dom/filehandle/PBackgroundFileHandle.ipdl
author Narcis Beleuzu <nbeleuzu@mozilla.com>
Sun, 29 Jul 2018 03:55:23 +0300
changeset 483986 aaee68beff800bcf076d9c49b5c1f6531b135579
parent 405551 66fafc2b84cf145190468eee4e08de99e5934ad6
permissions -rw-r--r--
Backed out 2 changesets (bug 1463016, bug 1463291) for geckoview failures Backed out changeset fcfb99baa0f0 (bug 1463291) Backed out changeset 0d69b4fb1ed4 (bug 1463016)

/* 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 PBackgroundFileRequest;
include protocol PBackgroundMutableFile;
include protocol PChildToParentStream; // FIXME: bug 792908
include protocol PFileDescriptorSet; // FIXME: bug 792908
include protocol PIPCBlobInputStream; // FIXME: bug 792908
include protocol PParentToChildStream; // FIXME: bug 792908

include IPCBlob;

namespace mozilla {
namespace dom {

struct FileRequestGetMetadataParams
{
  bool size;
  bool lastModified;
};

struct FileRequestReadParams
{
  uint64_t offset;
  uint64_t size;
};

struct FileRequestStringData
{
  nsCString string;
};

struct FileRequestBlobData
{
  IPCBlob blob;
};

union FileRequestData
{
  FileRequestStringData;
  FileRequestBlobData;
};

struct FileRequestWriteParams
{
  uint64_t offset;
  FileRequestData data;
  uint64_t dataLength;
};

struct FileRequestTruncateParams
{
  uint64_t offset;
};

struct FileRequestFlushParams
{
};

struct FileRequestGetFileParams
{
};

union FileRequestParams
{
  FileRequestGetMetadataParams;
  FileRequestReadParams;
  FileRequestWriteParams;
  FileRequestTruncateParams;
  FileRequestFlushParams;
  FileRequestGetFileParams;
};

protocol PBackgroundFileHandle
{
  manager PBackgroundMutableFile;

  manages PBackgroundFileRequest;

parent:
  async DeleteMe();

  async Finish();
  async Abort();

  async PBackgroundFileRequest(FileRequestParams params);

child:
  async __delete__();

  async Complete(bool aborted);
};

} // namespace dom
} // namespace mozilla