From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Fri, 2 Feb 2018 04:16:08 -0500 Subject: Add m-esr52 at 52.6.0 --- dom/media/PrincipalChangeObserver.h | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 dom/media/PrincipalChangeObserver.h (limited to 'dom/media/PrincipalChangeObserver.h') diff --git a/dom/media/PrincipalChangeObserver.h b/dom/media/PrincipalChangeObserver.h new file mode 100644 index 000000000..2597813c5 --- /dev/null +++ b/dom/media/PrincipalChangeObserver.h @@ -0,0 +1,30 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* 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/. */ + +#ifndef MOZILLA_PRINCIPALCHANGEOBSERVER_H_ +#define MOZILLA_PRINCIPALCHANGEOBSERVER_H_ + +namespace mozilla { +namespace dom { + +/** + * A PrincipalChangeObserver for any type, but originating from DOMMediaStream, + * then expanded to MediaStreamTrack. + * + * Used to learn about dynamic changes to an object's principal. + * Operations relating to these observers must be confined to the main thread. + */ +template +class PrincipalChangeObserver +{ +public: + virtual void PrincipalChanged(T* aArg) = 0; +}; + +} // namespace dom +} // namespace mozilla + +#endif /* MOZILLA_PRINCIPALCHANGEOBSERVER_H_ */ -- cgit v1.2.3