From 43a97878ce14b72f0981164f87f2e35e14151312 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 11:22:09 +0200 Subject: Adding upstream version 110.0.1. Signed-off-by: Daniel Baumann --- dom/ipc/PVsync.ipdl | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 dom/ipc/PVsync.ipdl (limited to 'dom/ipc/PVsync.ipdl') diff --git a/dom/ipc/PVsync.ipdl b/dom/ipc/PVsync.ipdl new file mode 100644 index 0000000000..10d8ab4760 --- /dev/null +++ b/dom/ipc/PVsync.ipdl @@ -0,0 +1,40 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* 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 PBackground; +include protocol PBrowser; +include "mozilla/layers/LayersMessageUtils.h"; + +using class mozilla::TimeStamp from "mozilla/TimeStamp.h"; +using mozilla::VsyncEvent from "mozilla/VsyncDispatcher.h"; + +namespace mozilla { +namespace dom { + +/* + * The PVsync is a sub-protocol in PBackground or PBrowser and it is used to + * notify the vsync event from chrome to content process. It also provides the + * interfaces for content to observe/unobserve vsync event notifications. + */ +async protocol PVsync +{ + manager PBackground or PBrowser; + +child: + // Send vsync event and vsync rate from chrome to content process. + [Compress, Priority=vsync] async Notify(VsyncEvent aVsync, float aVsyncRate); + +parent: + // Content process use these messages to acquire the vsync event. + async Observe(); + async Unobserve(); + + // This message is never sent. Each PVsync actor will stay alive as long as + // its PBackground or PBrowser manager. + async __delete__(); +}; + +} // namespace dom +} // namespace mozilla -- cgit v1.2.3