chrome/browser/lifetime/application_lifetime_win.cc

   1 // Copyright (c) 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 #include "chrome/browser/lifetime/application_lifetime.h"
   6
   7 #include "base/bind.h"
   8 #include "base/environment.h"
   9 #include "base/files/file_path.h"
  10 #include "base/path_service.h"
  11 #include "base/prefs/pref_service.h"
  12 #include "base/win/metro.h"
  13 #include "base/win/windows_version.h"
  14 #include "chrome/browser/browser_process.h"
  15 #include "chrome/browser/first_run/upgrade_util.h"
  16 #include "chrome/browser/metro_utils/metro_chrome_win.h"
  17 #include "chrome/browser/metro_viewer/chrome_metro_viewer_process_host_aurawin.h"
  18 #include "chrome/browser/shell_integration.h"
  19 #include "chrome/browser/ui/browser_finder.h"
  20 #include "chrome/common/chrome_constants.h"
  21 #include "chrome/common/pref_names.h"
  22 #include "chrome/installer/util/util_constants.h"
  23 #include "content/public/browser/web_contents.h"
  24 #include "ui/views/widget/widget.h"
  25
  26 namespace chrome {
  27
  28 // Following set of functions, which are used to switch chrome mode after
  29 // restart are used for in places where either user explicitly wants to switch
  30 // mode or some functionality is not available in either mode and we ask user
  31 // to switch mode.
  32 // Here mode refers to Windows 8 modes such as Metro (also called immersive)
  33 // and desktop mode (Classic or traditional).
  34
  35 void ActivateDesktopHelper(AshExecutionStatus ash_execution_status) {
  36   scoped_ptr<base::Environment> env(base::Environment::Create());
  37   std::string version_str;
  38
  39   // Get the version variable and remove it from the environment.
  40   if (!env->GetVar(chrome::kChromeVersionEnvVar, &version_str))
  41     version_str.clear();
  42
  43   base::FilePath exe_path;
  44   if (!PathService::Get(base::FILE_EXE, &exe_path))
  45     return;
  46
  47   base::FilePath path(exe_path.DirName());
  48
  49   // The relauncher is ordinarily in the version directory.  When running in a
  50   // build tree however (where CHROME_VERSION is not set in the environment)
  51   // look for it in Chrome's directory.
  52   if (!version_str.empty())
  53     path = path.AppendASCII(version_str);
  54
  55   path = path.Append(installer::kDelegateExecuteExe);
  56
  57   // Actually launching the process needs to happen in the metro viewer,
  58   // otherwise it won't automatically transition to desktop.  So we have
  59   // to send an IPC to the viewer to do the ShellExecute.
  60   ChromeMetroViewerProcessHost::HandleActivateDesktop(
  61       path, ash_execution_status == ASH_TERMINATE);
  62 }
  63
  64 void AttemptRestartToDesktopMode() {
  65   PrefService* prefs = g_browser_process->local_state();
  66   prefs->SetString(prefs::kRelaunchMode,
  67                    upgrade_util::kRelaunchModeDesktop);
  68
  69   AttemptRestart();
  70 }
  71
  72 void AttemptRestartToMetroMode() {
  73   PrefService* prefs = g_browser_process->local_state();
  74   prefs->SetString(prefs::kRelaunchMode,
  75                    upgrade_util::kRelaunchModeMetro);
  76   AttemptRestart();
  77 }
  78
  79 }  // namespace chrome