image/SurfaceCacheUtils.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #ifndef mozilla_image_SurfaceCacheUtils_h
   7 #define mozilla_image_SurfaceCacheUtils_h
   8
   9 /**
  10  * SurfaceCacheUtils provides an ImageLib-external API to interact with
  11  * ImageLib's SurfaceCache.
  12  */
  13
  14 namespace mozilla {
  15 namespace image {
  16
  17 class SurfaceCacheUtils {
  18  public:
  19   /**
  20    * Evicts all evictable entries from the surface cache.
  21    *
  22    * See the documentation for SurfaceCache::DiscardAll() for the details.
  23    */
  24   static void DiscardAll();
  25
  26  private:
  27   virtual ~SurfaceCacheUtils() = 0;  // Forbid instantiation.
  28 };
  29
  30 }  // namespace image
  31 }  // namespace mozilla
  32
  33 #endif  // mozilla_image_SurfaceCacheUtils_h