aura/window_delegate.h

   1 // Copyright (c) 2011 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 AURA_WINDOW_DELEGATE_H_
   6 #define AURA_WINDOW_DELEGATE_H_
   7 #pragma once
   8
   9 namespace aura {
  10
  11 // Delegate interface for aura::Window.
  12 class WindowDelegate {
  13  public:
  14   // Asks the delegate to paint to the window. The delegate should call back
  15   // to the window with SetCanvas.
  16   virtual void OnPaint(const gfx::Rect& bounds) = 0;
  17
  18  protected:
  19   virtual ~WindowDelegate() {}
  20 };
  21
  22 }  // namespace aura
  23
  24 #endif  // AURA_WINDOW_DELEGATE_H_