// 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/chrome_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/memory/scoped_ptr.h" #include "base/path_service.h" #include "base/scoped_native_library.h" #include "base/string_number_conversions.h" #include "base/utf_string_conversions.h" #include "base/win/windows_version.h" #include "base/win/wrapped_window_proc.h" #include "chrome/browser/browser_util_win.h" #include "chrome/browser/first_run/first_run.h" #include "chrome/browser/metrics/metrics_service.h" #include "chrome/browser/profiles/profile_info_cache.h" #include "chrome/browser/profiles/profile_shortcut_manager_win.h" #include "chrome/browser/ui/browser_list.h" #include "chrome/browser/ui/views/uninstall_view.h" #include "chrome/common/chrome_constants.h" #include "chrome/common/chrome_result_codes.h" #include "chrome/common/chrome_switches.h" #include "chrome/common/env_vars.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 "content/public/common/main_function_params.h" #include "grit/app_locale_settings.h" #include "grit/chromium_strings.h" #include "grit/generated_resources.h" #include "ui/base/l10n/l10n_util.h" #include "ui/base/l10n/l10n_util_win.h" #include "ui/base/message_box_win.h" #include "ui/gfx/platform_font_win.h" #include "ui/views/focus/accelerator_handler.h" #include "ui/views/widget/widget.h" namespace { typedef HRESULT (STDAPICALLTYPE* RegisterApplicationRestartProc)( const wchar_t* command_line, DWORD flags); void InitializeWindowProcExceptions() { // Get the breakpad pointer from chrome.exe base::win::WinProcExceptionFilter exception_filter = reinterpret_cast<base::win::WinProcExceptionFilter>( ::GetProcAddress(::GetModuleHandle( chrome::kBrowserProcessExecutableName), "CrashForException")); exception_filter = base::win::SetWinProcExceptionFilter(exception_filter); DCHECK(!exception_filter); } // gfx::Font callbacks void AdjustUIFont(LOGFONT* logfont) { l10n_util::AdjustUIFont(logfont); } int GetMinimumFontSize() { int min_font_size; base::StringToInt(l10n_util::GetStringUTF16(IDS_MINIMUM_UI_FONT_SIZE), &min_font_size); return min_font_size; } } // namespace void RecordBreakpadStatusUMA(MetricsService* metrics) { DWORD len = ::GetEnvironmentVariableW( ASCIIToWide(env_vars::kNoOOBreakpad).c_str() , NULL, 0); metrics->RecordBreakpadRegistration((len == 0)); metrics->RecordBreakpadHasDebugger(TRUE == ::IsDebuggerPresent()); } void WarnAboutMinimumSystemRequirements() { if (base::win::GetVersion() < base::win::VERSION_XP) { // Display a warning message if the user is running chrome on Windows 2000. const string16 text = l10n_util::GetStringUTF16(IDS_UNSUPPORTED_OS_PRE_WIN_XP); const string16 caption = l10n_util::GetStringUTF16(IDS_PRODUCT_NAME); ui::MessageBox(NULL, text, caption, MB_OK | MB_ICONWARNING | MB_TOPMOST); } } void RecordBrowserStartupTime() { // Calculate the time that has elapsed from our own process creation. FILETIME creation_time = {}; FILETIME ignore = {}; ::GetProcessTimes(::GetCurrentProcess(), &creation_time, &ignore, &ignore, &ignore); RecordPreReadExperimentTime("Startup.BrowserMessageLoopStartTime", base::Time::Now() - base::Time::FromFileTime(creation_time)); } int AskForUninstallConfirmation() { int ret = content::RESULT_CODE_NORMAL_EXIT; views::Widget::CreateWindow(new UninstallView(&ret))->Show(); views::AcceleratorHandler accelerator_handler; MessageLoopForUI::current()->RunWithDispatcher(&accelerator_handler); return ret; } void ShowCloseBrowserFirstMessageBox() { const string16 text = l10n_util::GetStringUTF16(IDS_UNINSTALL_CLOSE_APP); const string16 caption = l10n_util::GetStringUTF16(IDS_PRODUCT_NAME); const UINT flags = MB_OK | MB_ICONWARNING | MB_TOPMOST; ui::MessageBox(NULL, text, caption, flags); } int DoUninstallTasks(bool chrome_still_running) { // We want to show a warning to user (and exit) if Chrome is already running // *before* we show the uninstall confirmation dialog box. But while the // uninstall confirmation dialog is up, user might start Chrome, so we // check once again after user acknowledges Uninstall dialog. if (chrome_still_running) { ShowCloseBrowserFirstMessageBox(); return chrome::RESULT_CODE_UNINSTALL_CHROME_ALIVE; } int ret = AskForUninstallConfirmation(); if (browser_util::IsBrowserAlreadyRunning()) { ShowCloseBrowserFirstMessageBox(); return chrome::RESULT_CODE_UNINSTALL_CHROME_ALIVE; } if (ret != chrome::RESULT_CODE_UNINSTALL_USER_CANCEL) { // The following actions are just best effort. VLOG(1) << "Executing uninstall actions"; if (!FirstRun::RemoveSentinel()) VLOG(1) << "Failed to delete sentinel file."; // We want to remove user level shortcuts and we only care about the ones // created by us and not by the installer so |alternate| is false. BrowserDistribution* dist = BrowserDistribution::GetDistribution(); if (!ShellUtil::RemoveChromeDesktopShortcut(dist, ShellUtil::CURRENT_USER, false)) { VLOG(1) << "Failed to delete desktop shortcut."; } if (!ShellUtil::RemoveChromeDesktopShortcutsWithAppendedNames( ProfileShortcutManagerWin::GenerateShortcutsFromProfiles( ProfileInfoCache::GetProfileNames()))) { VLOG(1) << "Failed to delete desktop profiles shortcuts."; } if (!ShellUtil::RemoveChromeQuickLaunchShortcut(dist, ShellUtil::CURRENT_USER)) { VLOG(1) << "Failed to delete quick launch shortcut."; } } return ret; } // ChromeBrowserMainPartsWin --------------------------------------------------- ChromeBrowserMainPartsWin::ChromeBrowserMainPartsWin( const content::MainFunctionParams& parameters) : ChromeBrowserMainParts(parameters) { } void ChromeBrowserMainPartsWin::ToolkitInitialized() { ChromeBrowserMainParts::ToolkitInitialized(); gfx::PlatformFontWin::adjust_font_callback = &AdjustUIFont; gfx::PlatformFontWin::get_minimum_font_size_callback = &GetMinimumFontSize; } void ChromeBrowserMainPartsWin::PreMainMessageLoopStart() { ChromeBrowserMainParts::PreMainMessageLoopStart(); if (!parameters().ui_task) { // Make sure that we know how to handle exceptions from the message loop. InitializeWindowProcExceptions(); } } // static void ChromeBrowserMainPartsWin::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. if (parsed_command_line.HasSwitch(switches::kBrowserCrashTest) || parsed_command_line.HasSwitch(switches::kBrowserAssertTest) || parsed_command_line.HasSwitch(switches::kNoErrorDialogs)) return; // The encoding we use for the info is "title|context|direction" where // direction is either env_vars::kRtlLocale or env_vars::kLtrLocale depending // on the current locale. string16 dlg_strings(l10n_util::GetStringUTF16(IDS_CRASH_RECOVERY_TITLE)); dlg_strings.push_back('|'); string16 adjusted_string( 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)); } // static void ChromeBrowserMainPartsWin::RegisterApplicationRestart( const CommandLine& parsed_command_line) { DCHECK(base::win::GetVersion() >= base::win::VERSION_VISTA); base::ScopedNativeLibrary library(FilePath(L"kernel32.dll")); // Get the function pointer for RegisterApplicationRestart. RegisterApplicationRestartProc register_application_restart = static_cast<RegisterApplicationRestartProc>( library.GetFunctionPointer("RegisterApplicationRestart")); if (!register_application_restart) { LOG(WARNING) << "Cannot find RegisterApplicationRestart in kernel32.dll"; return; } // The Windows Restart Manager expects a string of command line flags only, // without the program. CommandLine command_line(CommandLine::NO_PROGRAM); command_line.AppendArguments(parsed_command_line, false); if (!command_line.HasSwitch(switches::kRestoreLastSession)) command_line.AppendSwitch(switches::kRestoreLastSession); if (command_line.GetCommandLineString().length() > RESTART_MAX_CMD_LINE) { LOG(WARNING) << "Command line too long for RegisterApplicationRestart"; return; } // 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_line.GetCommandLineString().c_str(), RESTART_NO_CRASH | RESTART_NO_HANG | RESTART_NO_PATCH); DCHECK(SUCCEEDED(hr)) << "RegisterApplicationRestart failed."; } void ChromeBrowserMainPartsWin::ShowMissingLocaleMessageBox() { ui::MessageBox(NULL, ASCIIToUTF16(chrome_browser::kMissingLocaleDataMessage), ASCIIToUTF16(chrome_browser::kMissingLocaleDataTitle), MB_OK | MB_ICONERROR | MB_TOPMOST); } // static int ChromeBrowserMainPartsWin::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 chrome::RESULT_CODE_UNSUPPORTED_PARAM; // Not supported } const string16 msg = l10n_util::GetStringFUTF16(IDS_HIDE_ICONS_NOT_SUPPORTED, cp_applet); const string16 caption = l10n_util::GetStringUTF16(IDS_PRODUCT_NAME); const UINT flags = MB_OKCANCEL | MB_ICONWARNING | MB_TOPMOST; if (IDOK == ui::MessageBox(NULL, msg, caption, flags)) ShellExecute(NULL, NULL, L"appwiz.cpl", NULL, NULL, SW_SHOWNORMAL); // Exit as we are not launching the browser. return content::RESULT_CODE_NORMAL_EXIT; } // We don't hide icons so we shouldn't do anything special to show them return chrome::RESULT_CODE_UNSUPPORTED_PARAM; } // static bool ChromeBrowserMainPartsWin::CheckMachineLevelInstall() { // TODO(tommi): Check if using the default distribution is always the right // thing to do. BrowserDistribution* dist = BrowserDistribution::GetDistribution(); scoped_ptr<Version> version(InstallUtil::GetChromeVersion(dist, true)); if (version.get()) { FilePath exe_path; PathService::Get(base::DIR_EXE, &exe_path); std::wstring exe = exe_path.value(); FilePath user_exe_path(installer::GetChromeInstallPath(false, dist)); if (FilePath::CompareEqualIgnoreCase(exe, user_exe_path.value())) { const string16 text = l10n_util::GetStringUTF16(IDS_MACHINE_LEVEL_INSTALL_CONFLICT); const string16 caption = l10n_util::GetStringUTF16(IDS_PRODUCT_NAME); const UINT flags = MB_OK | MB_ICONERROR | MB_TOPMOST; ui::MessageBox(NULL, text, caption, flags); CommandLine uninstall_cmd( InstallUtil::GetChromeUninstallCmd(false, dist->GetType())); if (!uninstall_cmd.GetProgram().empty()) { uninstall_cmd.AppendSwitch(installer::switches::kForceUninstall); uninstall_cmd.AppendSwitch( installer::switches::kDoNotRemoveSharedItems); base::LaunchProcess(uninstall_cmd, base::LaunchOptions(), NULL); } return true; } } return false; }