src/content/shell/app/shell_main_delegate_mac.mm

   1 // Copyright 2013 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/shell/app/shell_main_delegate_mac.h"
   6
   7 #include <unistd.h>
   8
   9 #include "base/command_line.h"
  10 #include "base/files/file_path.h"
  11 #include "base/logging.h"
  12 #include "base/mac/foundation_util.h"
  13 #include "base/mac/scoped_nsobject.h"
  14 #include "base/path_service.h"
  15 #include "content/public/common/content_switches.h"
  16 #include "content/shell/app/paths_mac.h"
  17 #include "content/shell/common/shell_switches.h"
  18
  19 namespace content {
  20
  21 void EnsureCorrectResolutionSettings() {
  22   // Exit early if this isn't a browser process.
  23   if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kProcessType))
  24     return;
  25
  26   NSString* const kHighResolutionCapable = @"NSHighResolutionCapable";
  27   base::FilePath info_plist = GetInfoPlistPath();
  28   base::scoped_nsobject<NSMutableDictionary> info_dict(
  29       [[NSMutableDictionary alloc]
  30           initWithContentsOfFile:base::mac::FilePathToNSString(info_plist)]);
  31
  32   bool running_layout_tests =
  33       CommandLine::ForCurrentProcess()->HasSwitch(switches::kDumpRenderTree);
  34   bool not_high_resolution_capable =
  35       [info_dict objectForKey:kHighResolutionCapable] &&
  36       [[info_dict objectForKey:kHighResolutionCapable] isEqualToNumber:@(NO)];
  37   if (running_layout_tests == not_high_resolution_capable)
  38     return;
  39
  40   // We need to update our Info.plist before we can continue.
  41   [info_dict setObject:@(!running_layout_tests) forKey:kHighResolutionCapable];
  42   CHECK([info_dict writeToFile:base::mac::FilePathToNSString(info_plist)
  43                     atomically:YES]);
  44
  45   const CommandLine::StringVector& original_argv =
  46       CommandLine::ForCurrentProcess()->argv();
  47   char** argv = new char*[original_argv.size() + 1];
  48   for (unsigned i = 0; i < original_argv.size(); ++i)
  49     argv[i] = const_cast<char*>(original_argv.at(i).c_str());
  50   argv[original_argv.size()] = NULL;
  51
  52   CHECK(execvp(argv[0], argv));
  53 }
  54
  55 }  // namespace content