MediaControlUtils.cpp (739B)
1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */ 3 /* This Source Code Form is subject to the terms of the Mozilla Public 4 * License, v. 2.0. If a copy of the MPL was not distributed with this 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 6 7 #include "MediaControlUtils.h" 8 9 #include "mozilla/dom/BrowsingContext.h" 10 11 mozilla::LazyLogModule gMediaControlLog("MediaControl"); 12 13 namespace mozilla::dom { 14 15 BrowsingContext* GetAliveTopBrowsingContext(BrowsingContext* aBC) { 16 if (!aBC || aBC->IsDiscarded()) { 17 return nullptr; 18 } 19 aBC = aBC->Top(); 20 if (!aBC || aBC->IsDiscarded()) { 21 return nullptr; 22 } 23 return aBC; 24 } 25 26 } // namespace mozilla::dom