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 14 namespace cc { 15 16 class 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 virtual bool DrawsContent() const OVERRIDE; 24 25 virtual scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) 26 OVERRIDE; 27 28 protected: 29 HeadsUpDisplayLayer(); 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
