gfx/layers/LayerUserData.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
   7 #ifndef GFX_LAYERUSERDATA_H
   8 #define GFX_LAYERUSERDATA_H
   9
  10 namespace mozilla {
  11 namespace layers {
  12
  13 /**
  14  * Base class for userdata objects attached to layers and layer managers.
  15  *
  16  * We define it here in a separate header so clients only need to include
  17  * this header for their class definitions, rather than pulling in Layers.h.
  18  * Everything else in Layers.h should be forward-declarable.
  19  */
  20 class LayerUserData {
  21  public:
  22   virtual ~LayerUserData() = default;
  23 };
  24
  25 }  // namespace layers
  26 }  // namespace mozilla
  27
  28 #endif /* GFX_LAYERUSERDATA_H */