ui/gfx/screen_type_delegate.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 UI_GFX_SCREEN_TYPE_DELEGATE_H_
   6 #define UI_GFX_SCREEN_TYPE_DELEGATE_H_
   7
   8 #include "ui/gfx/native_widget_types.h"
   9
  10 namespace gfx {
  11
  12 enum ScreenType {
  13   SCREEN_TYPE_NATIVE = 0,
  14 #if defined(OS_CHROMEOS)
  15   SCREEN_TYPE_ALTERNATE = SCREEN_TYPE_NATIVE,
  16 #else
  17   SCREEN_TYPE_ALTERNATE,
  18 #endif
  19   SCREEN_TYPE_LAST = SCREEN_TYPE_ALTERNATE,
  20 };
  21
  22 class GFX_EXPORT ScreenTypeDelegate {
  23  public:
  24   virtual ~ScreenTypeDelegate() {}
  25
  26   // Determines which ScreenType a given |view| belongs to.
  27   virtual ScreenType GetScreenTypeForNativeView(NativeView view) = 0;
  28 };
  29
  30 }  // namespace gfx
  31
  32 #endif  // UI_GFX_SCREEN_TYPE_DELEGATE_H_