chrome/browser/mac/obsolete_system.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 CHROME_BROWSER_MAC_OBSOLETE_SYSTEM_H_
   6 #define CHROME_BROWSER_MAC_OBSOLETE_SYSTEM_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/strings/string16.h"
  10
  11 class ObsoleteSystemMac {
  12  public:
  13   // true if 32-bit-only systems are already considered obsolete, or if
  14   // they'll be considered obsolete soon. Used to control whether to show
  15   // messaging about 32-bit deprecation within the app.
  16   static bool Is32BitObsoleteNowOrSoon() {
  17 #if defined(GOOGLE_CHROME_BUILD)
  18     return true;
  19 #else
  20     return false;
  21 #endif
  22   }
  23
  24   // true if the system's CPU is 32-bit-only, false if it's 64-bit-capable.
  25 #if !defined(ARCH_CPU_64_BITS)
  26   static bool Has32BitOnlyCPU();
  27 #else
  28   static bool Has32BitOnlyCPU() {
  29     return false;
  30   }
  31 #endif
  32
  33   // Returns a localized string informing users that their system will either
  34   // soon be unsupported by future versions of the application, or that they
  35   // are already using the last version of the application that supports their
  36   // system. Do not use the returned string unless both
  37   // Is32BitObsoleteNowOrSoon() and Has32BitOnlyCPU() return true.
  38 #if !defined(ARCH_CPU_64_BITS)
  39   static base::string16 LocalizedObsoleteSystemString();
  40 #else
  41   static base::string16 LocalizedObsoleteSystemString() {
  42     return base::string16();
  43   }
  44 #endif
  45
  46   // true if this is the final release that will run on 32-bit-only systems.
  47   static bool Is32BitEndOfTheLine() {
  48     // TODO(mark): Change to true immediately prior to the final build that
  49     // supports 32-bit-only systems.
  50     return false;
  51   }
  52
  53  private:
  54   DISALLOW_IMPLICIT_CONSTRUCTORS(ObsoleteSystemMac);
  55 };
  56
  57 #endif  // CHROME_BROWSER_MAC_OBSOLETE_SYSTEM_H_