content/public/browser/android/layer_tree_build_helper.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CONTENT_PUBLIC_BROWSER_ANDROID_LAYER_TREE_BUILD_HELPER_H_
   6 #define CONTENT_PUBLIC_BROWSER_ANDROID_LAYER_TREE_BUILD_HELPER_H_
   7
   8 #include "base/memory/ref_counted.h"
   9
  10 namespace cc {
  11 class Layer;
  12 }
  13
  14 namespace content {
  15
  16 // A Helper class to build a layer tree to be composited
  17 // given a content root layer.
  18 class LayerTreeBuildHelper {
  19  public:
  20   LayerTreeBuildHelper() {};
  21   virtual scoped_refptr<cc::Layer> GetLayerTree(
  22       scoped_refptr<cc::Layer> content_root_layer) = 0;
  23   virtual ~LayerTreeBuildHelper() {};
  24
  25  private:
  26   DISALLOW_COPY_AND_ASSIGN(LayerTreeBuildHelper);
  27 };
  28
  29 }
  30
  31 #endif  // CONTENT_PUBLIC_BROWSER_ANDROID_LAYER_TREE_BUILD_HELPER_H_