components/mus/public/cpp/util.h

   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 COMPONENTS_MUS_PUBLIC_CPP_UTIL_H_
   6 #define COMPONENTS_MUS_PUBLIC_CPP_UTIL_H_
   7
   8 #include "components/mus/public/cpp/types.h"
   9
  10 // TODO(beng): #$*&@#(@ MacOSX SDK!
  11 #if defined(HiWord)
  12 #undef HiWord
  13 #endif
  14 #if defined(LoWord)
  15 #undef LoWord
  16 #endif
  17
  18 namespace mus {
  19
  20 inline uint16_t HiWord(uint32_t id) {
  21   return static_cast<uint16_t>((id >> 16) & 0xFFFF);
  22 }
  23
  24 inline uint16_t LoWord(uint32_t id) {
  25   return static_cast<uint16_t>(id & 0xFFFF);
  26 }
  27
  28 }  // namespace mus
  29
  30 #endif  // COMPONENTS_MUS_PUBLIC_CPP_UTIL_H_