gecko-dev/layout/ipc/PRenderFrame.ipdl

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: sw=2 ts=8 et :
*/
/* ***** 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 Code.
*
* The Initial Developer of the Original Code is
* The Mozilla Foundation
* Portions created by the Initial Developer are Copyright (C) 2010
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Chris Jones <jones.chris.g@gmail.com>
*
* 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
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* ***** END LICENSE BLOCK ***** */
include protocol PBrowser;
include protocol PLayers;
namespace mozilla {
namespace layout {
/**
* PRenderFrame (in the layout sense of "frame") represents one web
* "page". It's used to graft content processes' layer trees into
* chrome's rendering path. The lifetime of a PRenderFrame is tied to
* its PresShell in the child process.
*
* The child process conceptually "owns" a PRenderFrame, because it
* only makes sense wrt documents loaded by the child.
*/
sync protocol PRenderFrame
{
manager PBrowser;
manages PLayers;
parent:
async PLayers();
async __delete__();
state EMPTY:
recv PLayers goto HAVE_CONTENT;
state HAVE_CONTENT:
recv __delete__;
};
} // namespace layout
} // namespace mozilla