Register Application Restart with Windows Restart Manager

chrome/browser/browser_main_win.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/browser_main.h"
 #include "chrome/browser/browser_main_win.h"
 
 #include <windows.h>
 #include <shellapi.h>
 
 #include <algorithm>
 
 #include "base/command_line.h"
 #include "base/environment.h"
 #include "base/i18n/rtl.h"
 #include "base/nss_util.h"
 #include "base/path_service.h"
+#include "base/scoped_native_library.h"
 #include "base/scoped_ptr.h"
 #include "base/utf_string_conversions.h"
 #include "base/win/windows_version.h"
 #include "chrome/browser/browser_list.h"
 #include "chrome/browser/first_run/first_run.h"
 #include "chrome/browser/metrics/metrics_service.h"
 #include "chrome/browser/ui/views/uninstall_view.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/env_vars.h"
 #include "chrome/common/main_function_params.h"
 #include "chrome/common/result_codes.h"
 #include "chrome/installer/util/browser_distribution.h"
 #include "chrome/installer/util/helper.h"
 #include "chrome/installer/util/install_util.h"
 #include "chrome/installer/util/shell_util.h"
 #include "grit/chromium_strings.h"
 #include "grit/generated_resources.h"
 #include "net/base/winsock_init.h"
 #include "net/socket/ssl_client_socket_nss_factory.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/l10n/l10n_util_win.h"
 #include "ui/base/message_box_win.h"
 #include "views/focus/accelerator_handler.h"
 #include "views/window/window.h"
 
+namespace {
+typedef DECLSPEC_IMPORT HRESULT (STDAPICALLTYPE* RAR)(
+    const wchar_t* command_line,
+    DWORD flags);
+}  // namespace
+
 void DidEndMainMessageLoop() {
   OleUninitialize();
 }
 
 void RecordBreakpadStatusUMA(MetricsService* metrics) {
   DWORD len = ::GetEnvironmentVariableW(
       ASCIIToWide(env_vars::kNoOOBreakpad).c_str() , NULL, 0);
   metrics->RecordBreakpadRegistration((len == 0));
   metrics->RecordBreakpadHasDebugger(TRUE == ::IsDebuggerPresent());
 }
@@ skipping 54 matching lines @@
                                                     ShellUtil::CURRENT_USER))
       VLOG(1) << "Failed to delete quick launch shortcut.";
   }
   return ret;
 }
 
 // Prepares the localized strings that are going to be displayed to
 // the user if the browser process dies. These strings are stored in the
 // environment block so they are accessible in the early stages of the
 // chrome executable's lifetime.
-void PrepareRestartOnCrashEnviroment(const CommandLine &parsed_command_line) {
+void PrepareRestartOnCrashEnviroment(const CommandLine& parsed_command_line) {
   // Clear this var so child processes don't show the dialog by default.
   scoped_ptr<base::Environment> env(base::Environment::Create());
   env->UnSetVar(env_vars::kShowRestart);
 
   // For non-interactive tests we don't restart on crash.
   if (env->HasVar(env_vars::kHeadless))
     return;
 
   // If the known command-line test options are used we don't create the
   // environment block which means we don't get the restart dialog.
@@ skipping 11 matching lines @@
       l10n_util::GetStringUTF16(IDS_CRASH_RECOVERY_CONTENT));
   base::i18n::AdjustStringForLocaleDirection(&adjusted_string);
   dlg_strings.append(adjusted_string);
   dlg_strings.push_back('|');
   dlg_strings.append(ASCIIToUTF16(
       base::i18n::IsRTL() ? env_vars::kRtlLocale : env_vars::kLtrLocale));
 
   env->SetVar(env_vars::kRestartInfo, UTF16ToUTF8(dlg_strings));
 }
 
+bool RegisterApplicationRestart(const CommandLine& parsed_command_line) {
+  // Define the type of RegisterApplicationRestart as RAR.
+  DCHECK(base::win::GetVersion() >= base::win::VERSION_VISTA);
+  base::ScopedNativeLibrary library(FilePath(L"kernel32.dll"));
+  // Get the function pointer for RegisterApplicationRestart.
+  RAR register_application_restart = static_cast<RAR>(
+      library.GetFunctionPointer("RegisterApplicationRestart"));
+  if (!register_application_restart)
+    return false;
+
+  // The Windows Restart Manager expects a string of command line flags only,
+  // without the program.
+  CommandLine command_line(CommandLine::NO_PROGRAM);
+  command_line.AppendSwitches(parsed_command_line);
+  command_line.AppendArgs(parsed_command_line);
+  // Ensure restore last session is set.
+  if (!command_line.HasSwitch(switches::kRestoreLastSession))
+    command_line.AppendSwitch(switches::kRestoreLastSession);
+  const wchar_t *command_string = command_line.command_line_string().c_str();
+
+  // Restart Chrome if the computer is restarted as the result of an update.
+  // This could be extended to handle crashes, hangs, and patches.
+  HRESULT hr = register_application_restart(command_string,
+      RESTART_NO_CRASH | RESTART_NO_HANG | RESTART_NO_PATCH);
+  DCHECK(SUCCEEDED(hr)) << "RegisterApplicationRestart failed.";
+  return SUCCEEDED(hr);
+}
+
 // This method handles the --hide-icons and --show-icons command line options
 // for chrome that get triggered by Windows from registry entries
 // HideIconsCommand & ShowIconsCommand. Chrome doesn't support hide icons
 // functionality so we just ask the users if they want to uninstall Chrome.
-int HandleIconsCommands(const CommandLine &parsed_command_line) {
+int HandleIconsCommands(const CommandLine& parsed_command_line) {
   if (parsed_command_line.HasSwitch(switches::kHideIcons)) {
     string16 cp_applet;
     base::win::Version version = base::win::GetVersion();
     if (version >= base::win::VERSION_VISTA) {
       cp_applet.assign(L"Programs and Features");  // Windows Vista and later.
     } else if (version >= base::win::VERSION_XP) {
       cp_applet.assign(L"Add/Remove Programs");  // Windows XP.
     } else {
       return ResultCodes::UNSUPPORTED_PARAM;  // Not supported
     }
@@ skipping 81 matching lines @@
       base::EnsureNSPRInit();
     }
   }
 };
 
 // static
 BrowserMainParts* BrowserMainParts::CreateBrowserMainParts(
     const MainFunctionParams& parameters) {
   return new BrowserMainPartsWin(parameters);
 }