content/common/content_switches_internal.cc

   1 // Copyright (c) 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 #include "content/common/content_switches_internal.h"
   6
   7 #include "base/command_line.h"
   8 #include "content/public/common/content_switches.h"
   9
  10 #if defined(OS_WIN)
  11 #include "base/win/windows_version.h"
  12 #endif
  13
  14 namespace content {
  15
  16 bool IsPinchToZoomEnabled() {
  17   const base::CommandLine& command_line =
  18       *base::CommandLine::ForCurrentProcess();
  19
  20   // --disable-pinch should always disable pinch
  21   if (command_line.HasSwitch(switches::kDisablePinch))
  22     return false;
  23
  24 #if defined(OS_WIN)
  25   return base::win::GetVersion() >= base::win::VERSION_WIN8;
  26 #elif defined(OS_CHROMEOS)
  27   return true;
  28 #else
  29   return command_line.HasSwitch(switches::kEnableViewport) ||
  30       command_line.HasSwitch(switches::kEnablePinch);
  31 #endif
  32 }
  33
  34 } // namespace content