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_LAYERS_HEADS_UP_DISPLAY_LAYER_H_ 6#define CC_LAYERS_HEADS_UP_DISPLAY_LAYER_H_ 7 8#include <string> 9 10#include "base/memory/scoped_ptr.h" 11#include "cc/base/cc_export.h" 12#include "cc/layers/contents_scaling_layer.h" 13 14namespace cc { 15 16class CC_EXPORT HeadsUpDisplayLayer : public ContentsScalingLayer { 17 public: 18 static scoped_refptr<HeadsUpDisplayLayer> Create(); 19 20 void PrepareForCalculateDrawProperties( 21 const gfx::Size& device_viewport, float device_scale_factor); 22 23 24 virtual scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) 25 OVERRIDE; 26 27 protected: 28 HeadsUpDisplayLayer(); 29 virtual bool HasDrawableContent() const OVERRIDE; 30 31 private: 32 virtual ~HeadsUpDisplayLayer(); 33 34 DISALLOW_COPY_AND_ASSIGN(HeadsUpDisplayLayer); 35}; 36 37} // namespace cc 38 39#endif // CC_LAYERS_HEADS_UP_DISPLAY_LAYER_H_ 40