gecko/netwerk/ipc/PRemoteOpenFile.ipdl

38 lines
1018 B
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set sw=2 ts=8 et tw=80 ft=cpp : */
/* 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 PNecko;
namespace mozilla {
namespace net {
/**
* Protocol to support RemoteOpenFile, an nsIFile that opens it's file handle on
* the parent instead of the child (since child lacks permission to do so).
*/
protocol PRemoteOpenFile
{
manager PNecko;
parent:
// Tell parent to open file. URI to open was passed and vetted for security in
// IPDL constructor: see NeckoParent::AllocPRemoteOpenFile()
AsyncOpenFile();
__delete__();
child:
// Your file handle is ready, Sir...
FileOpened(FileDescriptor fd);
// Trying to send invalid fd crashes, so we need separate method for failure
FileDidNotOpen();
};
} // namespace net
} // namespace mozilla