cc/scrollbar_layer_impl_base.h

   1 // Copyright 2012 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 CC_SCROLLBAR_LAYER_IMPL_BASE_H_
   6 #define CC_SCROLLBAR_LAYER_IMPL_BASE_H_
   7
   8 #include "cc/cc_export.h"
   9 #include "cc/layer_impl.h"
  10 #include "third_party/WebKit/Source/Platform/chromium/public/WebScrollbar.h"
  11
  12 namespace cc {
  13
  14 class CC_EXPORT ScrollbarLayerImplBase : public LayerImpl {
  15 public:
  16     virtual ~ScrollbarLayerImplBase() { }
  17
  18     virtual float currentPos() const = 0;
  19     virtual int totalSize() const = 0;
  20     virtual int maximum() const = 0;
  21     virtual WebKit::WebScrollbar::Orientation orientation() const = 0;
  22
  23 protected:
  24     ScrollbarLayerImplBase(LayerTreeImpl* treeImpl, int id)
  25         : LayerImpl(treeImpl, id) { }
  26
  27 };
  28
  29 } // namespace cc
  30 #endif // CC_SCROLLBAR_LAYER_IMPL_BASE_H_