Line data    Source code

       1             : /* -*- Mode: C++; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /* vim: set sts=2 ts=8 sw=2 tw=99 et: */
       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           2 : class gfxVarReceiver
      17             : {
      18             : public:
      19             :   virtual void OnVarChanged(const GfxVarUpdate& aVar) = 0;
      20             : };
      21             : 
      22             : } // namespace gfx
      23             : } // namespace mozilla
      24             : 
      25             : #endif // mozilla_gfx_config_gfxVarReceiver_h