gfx/config/gfxVarReceiver.h

   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