gecko/dom/plugins/ipc/PBrowserStream.ipdl

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/* -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 8 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Plugins.
*
* The Initial Developer of the Original Code is
* Benjamin Smedberg <benjamin@smedbergs.us>
* Portions created by the Initial Developer are Copyright (C) 2009
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
include protocol PPluginInstance;
include "mozilla/plugins/PluginMessageUtils.h";
using mozilla::plugins::Buffer;
using mozilla::plugins::IPCByteRanges;
using NPError;
using NPReason;
namespace mozilla {
namespace plugins {
/**
* NPBrowserStream represents a NPStream sent from the browser to the plugin.
*/
rpc protocol PBrowserStream
{
manager PPluginInstance;
child:
async Write(int32_t offset, Buffer data,
uint32_t newlength);
async NPP_StreamAsFile(nsCString fname);
/**
* NPP_DestroyStream may race with other messages: the child acknowledges
* the message with StreamDestroyed before this actor is deleted.
*/
async NPP_DestroyStream(NPReason reason);
async __delete__();
parent:
rpc NPN_RequestRead(IPCByteRanges ranges)
returns (NPError result);
async NPN_DestroyStream(NPReason reason);
async StreamDestroyed();
/*
TODO: turn on state machine.
// need configurable start state: if the constructor
// returns an error in result, start state should
// be DELETING.
start state ALIVE:
send Write goto ALIVE;
call NPP_StreamAsFile goto ALIVE;
send NPP_DestroyStream goto ALIVE;
answer NPN_RequestRead goto ALIVE;
recv NPN_DestroyStream goto DYING;
state DYING:
answer NPN_RequestRead goto DYING;
recv NPN_DestroyStream goto DYING;
recv StreamDestroyed goto DELETING;
state DELETING:
send __delete__;
*/
};
} // namespace plugins
} // namespace mozilla