layout/ipc/PRenderFrame.ipdl
author Robert Strong <robert.bugzilla@gmail.com>
Thu, 18 Nov 2010 17:20:58 -0800
changeset 57884 7bb86e5cc3b7877a65420350bc7d11af9929a98e
parent 54014 84f9361915784a64ae48bf25c53d259ec8bdaf16
child 73606 6b041c05b2cbc725e3192223a60bf6ab4b06c6bf
permissions -rw-r--r--
2. tests - Bug 466778 - [Win] Unable to update when files to be patched are in use on Windows. r=dtownsend, a=blocking2.0-BetaN

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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 *   Chris Jones <jones.chris.g@gmail.com>
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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