gecko-dev/dom/indexedDB/ipc/PIndexedDBRequest.ipdl

/* 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 PBlob;
include protocol PIndexedDBCursor;
include protocol PIndexedDBIndex;
include protocol PIndexedDBObjectStore;

include "mozilla/dom/indexedDB/SerializationHelpers.h";

using mozilla::dom::indexedDB::Key;
using mozilla::dom::indexedDB::SerializedStructuredCloneReadInfo;

using mozilla::void_t;

namespace mozilla {
namespace dom {
namespace indexedDB {

namespace ipc {

struct GetResponse
{
  SerializedStructuredCloneReadInfo cloneInfo;
  PBlob[] blobs;
};

struct GetKeyResponse
{
  Key key;
};

struct BlobArray
{
  PBlob[] blobs;
};

struct GetAllResponse
{
  SerializedStructuredCloneReadInfo[] cloneInfos;
  BlobArray[] blobs;
};

struct GetAllKeysResponse
{
  Key[] keys;
};

struct AddResponse
{
  Key key;
};

struct PutResponse
{
  Key key;
};

struct DeleteResponse
{ };

struct ClearResponse
{ };

struct CountResponse
{
  uint64_t count;
};

union OpenCursorResponse
{
  PIndexedDBCursor;
  void_t;
};

struct ContinueResponse
{
  Key key;
  Key objectKey;
  SerializedStructuredCloneReadInfo cloneInfo;
  PBlob[] blobs;
};

union ResponseValue
{
  nsresult;
  GetResponse;
  GetKeyResponse;
  GetAllResponse;
  GetAllKeysResponse;
  AddResponse;
  PutResponse;
  DeleteResponse;
  ClearResponse;
  CountResponse;
  OpenCursorResponse;
  ContinueResponse;
};

} // namespace ipc

protocol PIndexedDBRequest
{
  manager PIndexedDBObjectStore or PIndexedDBIndex or PIndexedDBCursor;

child:
  __delete__(ResponseValue response);
};

} // namespace indexedDB
} // namespace dom
} // namespace mozilla