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/chrome_browser_main_win.h"
6
7 #include <windows.h>
8 #include <shellapi.h>
9
10 #include <algorithm>
11
12 #include "base/command_line.h"
13 #include "base/environment.h"
14 #include "base/files/file_path.h"
15 #include "base/i18n/rtl.h"
16 #include "base/memory/scoped_ptr.h"
17 #include "base/metrics/histogram.h"
18 #include "base/path_service.h"
19 #include "base/scoped_native_library.h"
20 #include "base/strings/string_number_conversions.h"
21 #include "base/strings/utf_string_conversions.h"
22 #include "base/win/metro.h"
23 #include "base/win/win_util.h"
24 #include "base/win/windows_version.h"
25 #include "base/win/wrapped_window_proc.h"
26 #include "chrome/browser/browser_util_win.h"
27 #include "chrome/browser/chrome_elf_init_win.h"
28 #include "chrome/browser/first_run/first_run.h"
29 #include "chrome/browser/install_verification/win/install_verification.h"
30 #include "chrome/browser/prefs/incognito_mode_prefs.h"
31 #include "chrome/browser/profiles/profile_info_cache.h"
32 #include "chrome/browser/profiles/profile_shortcut_manager.h"
33 #include "chrome/browser/shell_integration.h"
34 #include "chrome/browser/ui/simple_message_box.h"
35 #include "chrome/browser/ui/uninstall_browser_prompt.h"
36 #include "chrome/common/chrome_constants.h"
37 #include "chrome/common/chrome_result_codes.h"
38 #include "chrome/common/chrome_switches.h"
39 #include "chrome/common/chrome_version_info.h"
40 #include "chrome/common/env_vars.h"
41 #include "chrome/installer/launcher_support/chrome_launcher_support.h"
42 #include "chrome/installer/util/browser_distribution.h"
43 #include "chrome/installer/util/helper.h"
44 #include "chrome/installer/util/install_util.h"
45 #include "chrome/installer/util/l10n_string_util.h"
46 #include "chrome/installer/util/shell_util.h"
47 #include "content/public/browser/browser_thread.h"
48 #include "content/public/common/main_function_params.h"
49 #include "grit/app_locale_settings.h"
50 #include "grit/chromium_strings.h"
51 #include "grit/generated_resources.h"
52 #include "installer_util_strings/installer_util_strings.h"
53 #include "ui/base/cursor/cursor_loader_win.h"
54 #include "ui/base/l10n/l10n_util.h"
55 #include "ui/base/l10n/l10n_util_win.h"
56 #include "ui/base/ui_base_switches.h"
57 #include "ui/base/win/message_box_win.h"
58 #include "ui/gfx/platform_font_win.h"
59 #include "ui/gfx/switches.h"
60
61 namespace {
62
63 typedef HRESULT (STDAPICALLTYPE* RegisterApplicationRestartProc)(
64 const wchar_t* command_line,
65 DWORD flags);
66
InitializeWindowProcExceptions()67 void InitializeWindowProcExceptions() {
68 // Get the breakpad pointer from chrome.exe
69 base::win::WinProcExceptionFilter exception_filter =
70 reinterpret_cast<base::win::WinProcExceptionFilter>(
71 ::GetProcAddress(::GetModuleHandle(
72 chrome::kBrowserProcessExecutableName),
73 "CrashForException"));
74 exception_filter = base::win::SetWinProcExceptionFilter(exception_filter);
75 DCHECK(!exception_filter);
76 }
77
78 // gfx::Font callbacks
AdjustUIFont(LOGFONT * logfont)79 void AdjustUIFont(LOGFONT* logfont) {
80 l10n_util::AdjustUIFont(logfont);
81 }
82
GetMinimumFontSize()83 int GetMinimumFontSize() {
84 int min_font_size;
85 base::StringToInt(l10n_util::GetStringUTF16(IDS_MINIMUM_UI_FONT_SIZE),
86 &min_font_size);
87 return min_font_size;
88 }
89
90 class TranslationDelegate : public installer::TranslationDelegate {
91 public:
92 virtual base::string16 GetLocalizedString(int installer_string_id) OVERRIDE;
93 };
94
IsSafeModeStart()95 bool IsSafeModeStart() {
96 return ::GetEnvironmentVariableA(chrome::kSafeModeEnvVar, NULL, 0) != 0;
97 }
98
99 } // namespace
100
ShowCloseBrowserFirstMessageBox()101 void ShowCloseBrowserFirstMessageBox() {
102 int message_id = IDS_UNINSTALL_CLOSE_APP;
103 if (base::win::GetVersion() >= base::win::VERSION_WIN8 &&
104 (ShellIntegration::GetDefaultBrowser() == ShellIntegration::IS_DEFAULT)) {
105 message_id = IDS_UNINSTALL_CLOSE_APP_IMMERSIVE;
106 }
107 chrome::ShowMessageBox(NULL,
108 l10n_util::GetStringUTF16(IDS_PRODUCT_NAME),
109 l10n_util::GetStringUTF16(message_id),
110 chrome::MESSAGE_BOX_TYPE_WARNING);
111 }
112
DoUninstallTasks(bool chrome_still_running)113 int DoUninstallTasks(bool chrome_still_running) {
114 // We want to show a warning to user (and exit) if Chrome is already running
115 // *before* we show the uninstall confirmation dialog box. But while the
116 // uninstall confirmation dialog is up, user might start Chrome, so we
117 // check once again after user acknowledges Uninstall dialog.
118 if (chrome_still_running) {
119 ShowCloseBrowserFirstMessageBox();
120 return chrome::RESULT_CODE_UNINSTALL_CHROME_ALIVE;
121 }
122 int result = chrome::ShowUninstallBrowserPrompt(
123 !chrome_launcher_support::IsAppLauncherPresent());
124 // Don't offer to delete the profile if the App Launcher is also installed.
125 if (browser_util::IsBrowserAlreadyRunning()) {
126 ShowCloseBrowserFirstMessageBox();
127 return chrome::RESULT_CODE_UNINSTALL_CHROME_ALIVE;
128 }
129
130 if (result != chrome::RESULT_CODE_UNINSTALL_USER_CANCEL) {
131 // The following actions are just best effort.
132 // TODO(gab): Look into removing this code which is now redundant with the
133 // work done by setup.exe on uninstall.
134 VLOG(1) << "Executing uninstall actions";
135 base::FilePath chrome_exe;
136 if (PathService::Get(base::FILE_EXE, &chrome_exe)) {
137 ShellUtil::ShortcutLocation user_shortcut_locations[] = {
138 ShellUtil::SHORTCUT_LOCATION_DESKTOP,
139 ShellUtil::SHORTCUT_LOCATION_QUICK_LAUNCH,
140 ShellUtil::SHORTCUT_LOCATION_START_MENU_CHROME_DIR,
141 ShellUtil::SHORTCUT_LOCATION_START_MENU_CHROME_APPS_DIR,
142 };
143 BrowserDistribution* dist = BrowserDistribution::GetDistribution();
144 for (size_t i = 0; i < arraysize(user_shortcut_locations); ++i) {
145 if (!ShellUtil::RemoveShortcuts(user_shortcut_locations[i], dist,
146 ShellUtil::CURRENT_USER, chrome_exe)) {
147 VLOG(1) << "Failed to delete shortcut at location "
148 << user_shortcut_locations[i];
149 }
150 }
151 } else {
152 NOTREACHED();
153 }
154 }
155 return result;
156 }
157
MaybeEnableHighResolutionTimeEverywhere()158 void MaybeEnableHighResolutionTimeEverywhere() {
159 chrome::VersionInfo::Channel channel = chrome::VersionInfo::GetChannel();
160 bool user_enabled = CommandLine::ForCurrentProcess()->HasSwitch(
161 switches::kEnableHighResolutionTime);
162 if (user_enabled || channel == chrome::VersionInfo::CHANNEL_CANARY) {
163 bool is_enabled = base::TimeTicks::SetNowIsHighResNowIfSupported();
164 if (is_enabled && !user_enabled) {
165 // Ensure that all of the renderers will enable it too.
166 CommandLine::ForCurrentProcess()->AppendSwitch(
167 switches::kEnableHighResolutionTime);
168 }
169 }
170 }
171
172 // ChromeBrowserMainPartsWin ---------------------------------------------------
173
ChromeBrowserMainPartsWin(const content::MainFunctionParams & parameters)174 ChromeBrowserMainPartsWin::ChromeBrowserMainPartsWin(
175 const content::MainFunctionParams& parameters)
176 : ChromeBrowserMainParts(parameters) {
177 MaybeEnableHighResolutionTimeEverywhere();
178 if (base::win::IsMetroProcess()) {
179 typedef const wchar_t* (*GetMetroSwitches)(void);
180 GetMetroSwitches metro_switches_proc = reinterpret_cast<GetMetroSwitches>(
181 GetProcAddress(base::win::GetMetroModule(),
182 "GetMetroCommandLineSwitches"));
183 if (metro_switches_proc) {
184 base::string16 metro_switches = (*metro_switches_proc)();
185 if (!metro_switches.empty()) {
186 CommandLine extra_switches(CommandLine::NO_PROGRAM);
187 extra_switches.ParseFromString(metro_switches);
188 CommandLine::ForCurrentProcess()->AppendArguments(extra_switches,
189 false);
190 }
191 }
192 }
193 }
194
~ChromeBrowserMainPartsWin()195 ChromeBrowserMainPartsWin::~ChromeBrowserMainPartsWin() {
196 }
197
ToolkitInitialized()198 void ChromeBrowserMainPartsWin::ToolkitInitialized() {
199 ChromeBrowserMainParts::ToolkitInitialized();
200 gfx::PlatformFontWin::adjust_font_callback = &AdjustUIFont;
201 gfx::PlatformFontWin::get_minimum_font_size_callback = &GetMinimumFontSize;
202 #if defined(USE_AURA)
203 ui::CursorLoaderWin::SetCursorResourceModule(chrome::kBrowserResourcesDll);
204 #endif
205 }
206
PreMainMessageLoopStart()207 void ChromeBrowserMainPartsWin::PreMainMessageLoopStart() {
208 // installer_util references strings that are normally compiled into
209 // setup.exe. In Chrome, these strings are in the locale files.
210 SetupInstallerUtilStrings();
211
212 ChromeBrowserMainParts::PreMainMessageLoopStart();
213 if (!parameters().ui_task) {
214 // Make sure that we know how to handle exceptions from the message loop.
215 InitializeWindowProcExceptions();
216 }
217
218 IncognitoModePrefs::InitializePlatformParentalControls();
219 }
220
PreCreateThreads()221 int ChromeBrowserMainPartsWin::PreCreateThreads() {
222 int rv = ChromeBrowserMainParts::PreCreateThreads();
223
224 if (IsSafeModeStart()) {
225 // TODO(cpu): disable other troublesome features for safe mode.
226 CommandLine::ForCurrentProcess()->AppendSwitch(
227 switches::kDisableGpu);
228 }
229 // TODO(viettrungluu): why don't we run this earlier?
230 if (!parsed_command_line().HasSwitch(switches::kNoErrorDialogs) &&
231 base::win::GetVersion() < base::win::VERSION_XP) {
232 chrome::ShowMessageBox(NULL,
233 l10n_util::GetStringUTF16(IDS_PRODUCT_NAME),
234 l10n_util::GetStringUTF16(IDS_UNSUPPORTED_OS_PRE_WIN_XP),
235 chrome::MESSAGE_BOX_TYPE_WARNING);
236 }
237
238 return rv;
239 }
240
ShowMissingLocaleMessageBox()241 void ChromeBrowserMainPartsWin::ShowMissingLocaleMessageBox() {
242 ui::MessageBox(NULL,
243 base::ASCIIToUTF16(chrome_browser::kMissingLocaleDataMessage),
244 base::ASCIIToUTF16(chrome_browser::kMissingLocaleDataTitle),
245 MB_OK | MB_ICONERROR | MB_TOPMOST);
246 }
247
PostBrowserStart()248 void ChromeBrowserMainPartsWin::PostBrowserStart() {
249 ChromeBrowserMainParts::PostBrowserStart();
250
251 UMA_HISTOGRAM_BOOLEAN("Windows.Tablet", base::win::IsTabletDevice());
252
253 // Set up a task to verify installed modules in the current process. Use a
254 // delay to reduce the impact on startup time.
255 content::BrowserThread::GetMessageLoopProxyForThread(
256 content::BrowserThread::UI)->PostDelayedTask(
257 FROM_HERE,
258 base::Bind(&VerifyInstallation),
259 base::TimeDelta::FromSeconds(45));
260
261 InitializeChromeElf();
262 }
263
264 // static
PrepareRestartOnCrashEnviroment(const CommandLine & parsed_command_line)265 void ChromeBrowserMainPartsWin::PrepareRestartOnCrashEnviroment(
266 const CommandLine& parsed_command_line) {
267 // Clear this var so child processes don't show the dialog by default.
268 scoped_ptr<base::Environment> env(base::Environment::Create());
269 env->UnSetVar(env_vars::kShowRestart);
270
271 // For non-interactive tests we don't restart on crash.
272 if (env->HasVar(env_vars::kHeadless))
273 return;
274
275 // If the known command-line test options are used we don't create the
276 // environment block which means we don't get the restart dialog.
277 if (parsed_command_line.HasSwitch(switches::kBrowserCrashTest) ||
278 parsed_command_line.HasSwitch(switches::kBrowserAssertTest) ||
279 parsed_command_line.HasSwitch(switches::kNoErrorDialogs))
280 return;
281
282 // The encoding we use for the info is "title|context|direction" where
283 // direction is either env_vars::kRtlLocale or env_vars::kLtrLocale depending
284 // on the current locale.
285 base::string16 dlg_strings(l10n_util::GetStringUTF16(IDS_CRASH_RECOVERY_TITLE));
286 dlg_strings.push_back('|');
287 base::string16 adjusted_string(
288 l10n_util::GetStringUTF16(IDS_CRASH_RECOVERY_CONTENT));
289 base::i18n::AdjustStringForLocaleDirection(&adjusted_string);
290 dlg_strings.append(adjusted_string);
291 dlg_strings.push_back('|');
292 dlg_strings.append(base::ASCIIToUTF16(
293 base::i18n::IsRTL() ? env_vars::kRtlLocale : env_vars::kLtrLocale));
294
295 env->SetVar(env_vars::kRestartInfo, base::UTF16ToUTF8(dlg_strings));
296 }
297
298 // static
RegisterApplicationRestart(const CommandLine & parsed_command_line)299 void ChromeBrowserMainPartsWin::RegisterApplicationRestart(
300 const CommandLine& parsed_command_line) {
301 DCHECK(base::win::GetVersion() >= base::win::VERSION_VISTA);
302 base::ScopedNativeLibrary library(base::FilePath(L"kernel32.dll"));
303 // Get the function pointer for RegisterApplicationRestart.
304 RegisterApplicationRestartProc register_application_restart =
305 reinterpret_cast<RegisterApplicationRestartProc>(
306 library.GetFunctionPointer("RegisterApplicationRestart"));
307 if (!register_application_restart) {
308 LOG(WARNING) << "Cannot find RegisterApplicationRestart in kernel32.dll";
309 return;
310 }
311 // The Windows Restart Manager expects a string of command line flags only,
312 // without the program.
313 CommandLine command_line(CommandLine::NO_PROGRAM);
314 command_line.AppendArguments(parsed_command_line, false);
315 if (!command_line.HasSwitch(switches::kRestoreLastSession))
316 command_line.AppendSwitch(switches::kRestoreLastSession);
317
318 // Restart Chrome if the computer is restarted as the result of an update.
319 // This could be extended to handle crashes, hangs, and patches.
320 HRESULT hr = register_application_restart(
321 command_line.GetCommandLineString().c_str(),
322 RESTART_NO_CRASH | RESTART_NO_HANG | RESTART_NO_PATCH);
323 if (FAILED(hr)) {
324 if (hr == E_INVALIDARG) {
325 LOG(WARNING) << "Command line too long for RegisterApplicationRestart";
326 } else {
327 NOTREACHED() << "RegisterApplicationRestart failed. hr: " << hr <<
328 ", command_line: " << command_line.GetCommandLineString();
329 }
330 }
331 }
332
333 // static
HandleIconsCommands(const CommandLine & parsed_command_line)334 int ChromeBrowserMainPartsWin::HandleIconsCommands(
335 const CommandLine& parsed_command_line) {
336 if (parsed_command_line.HasSwitch(switches::kHideIcons)) {
337 base::string16 cp_applet;
338 base::win::Version version = base::win::GetVersion();
339 if (version >= base::win::VERSION_VISTA) {
340 cp_applet.assign(L"Programs and Features"); // Windows Vista and later.
341 } else if (version >= base::win::VERSION_XP) {
342 cp_applet.assign(L"Add/Remove Programs"); // Windows XP.
343 } else {
344 return chrome::RESULT_CODE_UNSUPPORTED_PARAM; // Not supported
345 }
346
347 const base::string16 msg =
348 l10n_util::GetStringFUTF16(IDS_HIDE_ICONS_NOT_SUPPORTED, cp_applet);
349 const base::string16 caption = l10n_util::GetStringUTF16(IDS_PRODUCT_NAME);
350 const UINT flags = MB_OKCANCEL | MB_ICONWARNING | MB_TOPMOST;
351 if (IDOK == ui::MessageBox(NULL, msg, caption, flags))
352 ShellExecute(NULL, NULL, L"appwiz.cpl", NULL, NULL, SW_SHOWNORMAL);
353
354 // Exit as we are not launching the browser.
355 return content::RESULT_CODE_NORMAL_EXIT;
356 }
357 // We don't hide icons so we shouldn't do anything special to show them
358 return chrome::RESULT_CODE_UNSUPPORTED_PARAM;
359 }
360
361 // static
CheckMachineLevelInstall()362 bool ChromeBrowserMainPartsWin::CheckMachineLevelInstall() {
363 // TODO(tommi): Check if using the default distribution is always the right
364 // thing to do.
365 BrowserDistribution* dist = BrowserDistribution::GetDistribution();
366 Version version;
367 InstallUtil::GetChromeVersion(dist, true, &version);
368 if (version.IsValid()) {
369 base::FilePath exe_path;
370 PathService::Get(base::DIR_EXE, &exe_path);
371 std::wstring exe = exe_path.value();
372 base::FilePath user_exe_path(installer::GetChromeInstallPath(false, dist));
373 if (base::FilePath::CompareEqualIgnoreCase(exe, user_exe_path.value())) {
374 bool is_metro = base::win::IsMetroProcess();
375 if (!is_metro) {
376 // The dialog cannot be shown in Win8 Metro as doing so hangs Chrome on
377 // an invisible dialog.
378 // TODO (gab): Get rid of this dialog altogether and auto-launch
379 // system-level Chrome instead.
380 const base::string16 text =
381 l10n_util::GetStringUTF16(IDS_MACHINE_LEVEL_INSTALL_CONFLICT);
382 const base::string16 caption = l10n_util::GetStringUTF16(IDS_PRODUCT_NAME);
383 const UINT flags = MB_OK | MB_ICONERROR | MB_TOPMOST;
384 ui::MessageBox(NULL, text, caption, flags);
385 }
386 CommandLine uninstall_cmd(
387 InstallUtil::GetChromeUninstallCmd(false, dist->GetType()));
388 if (!uninstall_cmd.GetProgram().empty()) {
389 uninstall_cmd.AppendSwitch(installer::switches::kSelfDestruct);
390 uninstall_cmd.AppendSwitch(installer::switches::kForceUninstall);
391 uninstall_cmd.AppendSwitch(
392 installer::switches::kDoNotRemoveSharedItems);
393
394 // Trigger Active Setup for the system-level Chrome to make sure
395 // per-user shortcuts to the system-level Chrome are created. Skip this
396 // if the system-level Chrome will undergo first run anyway, as Active
397 // Setup is triggered on system-level Chrome's first run.
398 // TODO(gab): Instead of having callers of Active Setup think about
399 // other callers, have Active Setup itself register when it ran and
400 // no-op otherwise (http://crbug.com/346843).
401 if (!first_run::IsChromeFirstRun())
402 uninstall_cmd.AppendSwitch(installer::switches::kTriggerActiveSetup);
403
404 const base::FilePath setup_exe(uninstall_cmd.GetProgram());
405 const base::string16 params(uninstall_cmd.GetArgumentsString());
406
407 SHELLEXECUTEINFO sei = { sizeof(sei) };
408 sei.fMask = SEE_MASK_NOASYNC;
409 sei.nShow = SW_SHOWNORMAL;
410 sei.lpFile = setup_exe.value().c_str();
411 sei.lpParameters = params.c_str();
412 // On Windows 8 SEE_MASK_FLAG_LOG_USAGE is necessary to guarantee we
413 // flip to the Desktop when launching.
414 if (is_metro)
415 sei.fMask |= SEE_MASK_FLAG_LOG_USAGE;
416
417 if (!::ShellExecuteEx(&sei))
418 DPCHECK(false);
419 }
420 return true;
421 }
422 }
423 return false;
424 }
425
GetLocalizedString(int installer_string_id)426 base::string16 TranslationDelegate::GetLocalizedString(
427 int installer_string_id) {
428 int resource_id = 0;
429 switch (installer_string_id) {
430 // HANDLE_STRING is used by the DO_INSTALLER_STRING_MAPPING macro which is in
431 // the generated header installer_util_strings.h.
432 #define HANDLE_STRING(base_id, chrome_id) \
433 case base_id: \
434 resource_id = chrome_id; \
435 break;
436 DO_INSTALLER_STRING_MAPPING
437 #undef HANDLE_STRING
438 default:
439 NOTREACHED();
440 }
441 if (resource_id)
442 return l10n_util::GetStringUTF16(resource_id);
443 return base::string16();
444 }
445
446 // static
SetupInstallerUtilStrings()447 void ChromeBrowserMainPartsWin::SetupInstallerUtilStrings() {
448 CR_DEFINE_STATIC_LOCAL(TranslationDelegate, delegate, ());
449 installer::SetTranslationDelegate(&delegate);
450 }
451