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// Copyright (c) 2009 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 "app/l10n_util.h"
#include "app/message_box_flags.h"
#include "app/win_util.h"
#include "base/command_line.h"
#include "base/path_service.h"
#include "base/win_util.h"
#include "chrome/browser/first_run.h"
#include "chrome/browser/metrics/metrics_service.h"
#include "chrome/browser/views/uninstall_view.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/env_vars.h"
#include "chrome/common/result_codes.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 "views/focus/accelerator_handler.h"
#include "views/window/window.h"
namespace Platform {
void WillInitializeMainMessageLoop(const MainFunctionParams& parameters) {
}
void DidEndMainMessageLoop() {
}
void RecordBreakpadStatusUMA(MetricsService* metrics) {
DWORD len = ::GetEnvironmentVariableW(env_vars::kNoOOBreakpad, NULL, 0);
metrics->RecordBreakpadRegistration((len == 0));
metrics->RecordBreakpadHasDebugger(TRUE == ::IsDebuggerPresent());
}
} // namespace Platform
// Displays a warning message if the user is running chrome on windows 2000.
// Returns true if the OS is win2000, false otherwise.
bool CheckForWin2000() {
if (win_util::GetWinVersion() == win_util::WINVERSION_2000) {
const std::wstring text = l10n_util::GetString(IDS_UNSUPPORTED_OS_WIN2000);
const std::wstring caption = l10n_util::GetString(IDS_PRODUCT_NAME);
win_util::MessageBox(NULL, text, caption,
MB_OK | MB_ICONWARNING | MB_TOPMOST);
return true;
}
return false;
}
int AskForUninstallConfirmation() {
int ret = ResultCodes::NORMAL_EXIT;
views::Window::CreateChromeWindow(NULL, gfx::Rect(),
new UninstallView(ret))->Show();
views::AcceleratorHandler accelerator_handler;
MessageLoopForUI::current()->Run(&accelerator_handler);
return ret;
}
void ShowCloseBrowserFirstMessageBox() {
const std::wstring text = l10n_util::GetString(IDS_UNINSTALL_CLOSE_APP);
const std::wstring caption = l10n_util::GetString(IDS_PRODUCT_NAME);
const UINT flags = MB_OK | MB_ICONWARNING | MB_TOPMOST;
win_util::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 ResultCodes::UNINSTALL_CHROME_ALIVE;
}
int ret = AskForUninstallConfirmation();
if (Upgrade::IsBrowserAlreadyRunning()) {
ShowCloseBrowserFirstMessageBox();
return ResultCodes::UNINSTALL_CHROME_ALIVE;
}
if (ret != ResultCodes::UNINSTALL_USER_CANCEL) {
// The following actions are just best effort.
LOG(INFO) << "Executing uninstall actions";
if (!FirstRun::RemoveSentinel())
LOG(INFO) << "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.
if (!ShellUtil::RemoveChromeDesktopShortcut(ShellUtil::CURRENT_USER, false))
LOG(INFO) << "Failed to delete desktop shortcut.";
if (!ShellUtil::RemoveChromeQuickLaunchShortcut(ShellUtil::CURRENT_USER))
LOG(INFO) << "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) {
// Clear this var so child processes don't show the dialog by default.
::SetEnvironmentVariableW(env_vars::kShowRestart, NULL);
// For non-interactive tests we don't restart on crash.
if (::GetEnvironmentVariableW(env_vars::kHeadless, NULL, 0))
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.
std::wstring dlg_strings;
dlg_strings.append(l10n_util::GetString(IDS_CRASH_RECOVERY_TITLE));
dlg_strings.append(L"|");
dlg_strings.append(l10n_util::GetString(IDS_CRASH_RECOVERY_CONTENT));
dlg_strings.append(L"|");
if (l10n_util::GetTextDirection() == l10n_util::RIGHT_TO_LEFT)
dlg_strings.append(env_vars::kRtlLocale);
else
dlg_strings.append(env_vars::kLtrLocale);
::SetEnvironmentVariableW(env_vars::kRestartInfo, dlg_strings.c_str());
}
// 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) {
if (parsed_command_line.HasSwitch(switches::kHideIcons)) {
std::wstring cp_applet;
win_util::WinVersion version = win_util::GetWinVersion();
if (version >= win_util::WINVERSION_VISTA) {
cp_applet.assign(L"Programs and Features"); // Windows Vista and later.
} else if (version >= win_util::WINVERSION_XP) {
cp_applet.assign(L"Add/Remove Programs"); // Windows XP.
} else {
return ResultCodes::UNSUPPORTED_PARAM; // Not supported
}
const std::wstring msg = l10n_util::GetStringF(IDS_HIDE_ICONS_NOT_SUPPORTED,
cp_applet);
const std::wstring caption = l10n_util::GetString(IDS_PRODUCT_NAME);
const UINT flags = MB_OKCANCEL | MB_ICONWARNING | MB_TOPMOST;
if (IDOK == win_util::MessageBox(NULL, msg, caption, flags))
ShellExecute(NULL, NULL, L"appwiz.cpl", NULL, NULL, SW_SHOWNORMAL);
return ResultCodes::NORMAL_EXIT; // Exit as we are not launching browser.
}
// We don't hide icons so we shouldn't do anything special to show them
return ResultCodes::UNSUPPORTED_PARAM;
}
// Check if there is any machine level Chrome installed on the current
// machine. If yes and the current Chrome process is user level, we do not
// allow the user level Chrome to run. So we notify the user and uninstall
// user level Chrome.
bool CheckMachineLevelInstall() {
scoped_ptr<installer::Version> version(InstallUtil::GetChromeVersion(true));
if (version.get()) {
std::wstring exe;
PathService::Get(base::DIR_EXE, &exe);
std::transform(exe.begin(), exe.end(), exe.begin(), tolower);
std::wstring user_exe_path = installer::GetChromeInstallPath(false);
std::transform(user_exe_path.begin(), user_exe_path.end(),
user_exe_path.begin(), tolower);
if (exe == user_exe_path) {
const std::wstring text =
l10n_util::GetString(IDS_MACHINE_LEVEL_INSTALL_CONFLICT);
const std::wstring caption = l10n_util::GetString(IDS_PRODUCT_NAME);
const UINT flags = MB_OK | MB_ICONERROR | MB_TOPMOST;
win_util::MessageBox(NULL, text, caption, flags);
std::wstring uninstall_cmd = InstallUtil::GetChromeUninstallCmd(false);
if (!uninstall_cmd.empty()) {
uninstall_cmd.append(L" --");
uninstall_cmd.append(installer_util::switches::kForceUninstall);
uninstall_cmd.append(L" --");
uninstall_cmd.append(installer_util::switches::kDoNotRemoveSharedItems);
base::LaunchApp(uninstall_cmd, false, false, NULL);
}
return true;
}
}
return false;
}
bool DoUpgradeTasks(const CommandLine& command_line) {
if (!Upgrade::SwapNewChromeExeIfPresent())
return false;
// At this point the chrome.exe has been swapped with the new one.
if (!Upgrade::RelaunchChromeBrowser(command_line)) {
// The re-launch fails. Feel free to panic now.
NOTREACHED();
}
return true;
}
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