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 #ifndef mozilla_gfx_config_gfxVarReceiver_h 7 #define mozilla_gfx_config_gfxVarReceiver_h 8 9 namespace mozilla { 10 namespace gfx { 11 12 class GfxVarUpdate; 13 14 // This allows downstream processes (such as PContent, PGPU) to listen for 15 // updates on gfxVarReceiver. 16 class gfxVarReceiver { 17 public: 18 virtual void OnVarChanged(const GfxVarUpdate& aVar) = 0; 19 }; 20 21 } // namespace gfx 22 } // namespace mozilla 23 24 #endif // mozilla_gfx_config_gfxVarReceiver_h 25