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      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 ATHENA_SCREEN_BACKGROUND_CONTROLLER_H_
      6 #define ATHENA_SCREEN_BACKGROUND_CONTROLLER_H_
      7 
      8 #include "base/macros.h"
      9 
     10 namespace aura {
     11 class Window;
     12 }
     13 
     14 namespace gfx {
     15 class ImageSkia;
     16 }
     17 
     18 namespace athena {
     19 class BackgroundView;
     20 
     21 // Controls background image switching.
     22 class BackgroundController {
     23  public:
     24   explicit BackgroundController(aura::Window* container);
     25   ~BackgroundController();
     26 
     27   void SetImage(const gfx::ImageSkia& image);
     28 
     29  private:
     30   BackgroundView* background_view_;
     31 
     32   DISALLOW_COPY_AND_ASSIGN(BackgroundController);
     33 };
     34 }
     35 
     36 #endif  // ATHENA_SCREEN_BACKGROUND_CONTROLLER_H_
     37