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// Copyright (c) 2012 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/metro.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/media_gallery/media_device_notifications_window_win.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/simple_message_box.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/ui_base_switches.h"
#include "ui/base/win/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) {
metrics->RecordBreakpadHasDebugger(TRUE == ::IsDebuggerPresent());
}
void WarnAboutMinimumSystemRequirements() {
if (base::win::GetVersion() < base::win::VERSION_XP) {
const string16 title = l10n_util::GetStringUTF16(IDS_PRODUCT_NAME);
const string16 message =
l10n_util::GetStringUTF16(IDS_UNSUPPORTED_OS_PRE_WIN_XP);
browser::ShowWarningMessageBox(NULL, title, message);
}
}
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 title = l10n_util::GetStringUTF16(IDS_PRODUCT_NAME);
const string16 message = l10n_util::GetStringUTF16(IDS_UNINSTALL_CLOSE_APP);
browser::ShowWarningMessageBox(NULL, title, message);
}
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 (!first_run::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, ShellUtil::SHORTCUT_NO_OPTIONS)) {
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) {
if (base::win::GetMetroModule()) {
CommandLine::ForCurrentProcess()->AppendSwitch(
switches::kTouchOptimizedUI);
}
}
ChromeBrowserMainPartsWin::~ChromeBrowserMainPartsWin() {
}
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();
}
media_device_notifications_window_.reset(
new chrome::MediaDeviceNotificationsWindowWin());
}
// 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);
// 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);
if (FAILED(hr)) {
if (hr == E_INVALIDARG) {
LOG(WARNING) << "Command line too long for RegisterApplicationRestart";
} else {
NOTREACHED() << "RegisterApplicationRestart failed. hr: " << hr <<
", command_line: " << command_line.GetCommandLineString();
}
}
}
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;
}
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