Force autostart folder creation.

Also show an error if autostart couldn't be enabled.

Fixes #25608.

Telegram/SourceFiles/lang/lang_hardcoded.h

@@ -66,5 +66,9 @@ inline QString EmailConfirmationExpired() {
 	return u"This email confirmation has expired. Please setup two-step verification once again."_q;
 }
 
+inline QString AutostartEnableError() {
+	return u"Could not register for autostart."_q;
+}
+
 } // namespace Hard
 } // namespace Lang

Telegram/SourceFiles/platform/win/specific_win.cpp

@@ -142,19 +142,49 @@ void DeleteMyModules() {
 	RemoveDirectory(modules.c_str());
 }
 
-void ManageAppLink(bool create, bool silent, int path_csidl, const wchar_t *args, const wchar_t *description) {
+bool ManageAppLink(
+		bool create,
+		bool silent,
+		const GUID &folderId,
+		const wchar_t *args,
+		const wchar_t *description) {
 	if (cExeName().isEmpty()) {
-		return;
+		return false;
+	}
+	PWSTR startupFolder;
+	HRESULT hr = SHGetKnownFolderPath(
+		folderId,
+		KF_FLAG_CREATE,
+		nullptr,
+		&startupFolder);
+	const auto guard = gsl::finally([&] {
+		CoTaskMemFree(startupFolder);
+	});
+	if (!SUCCEEDED(hr)) {
+		WCHAR buffer[64];
+		const auto size = base::array_size(buffer) - 1;
+		const auto length = StringFromGUID2(folderId, buffer, size);
+		if (length > 0 && length <= size) {
+			buffer[length] = 0;
+			if (!silent) LOG(("App Error: could not get %1 folder: %2").arg(buffer).arg(hr));
+		}
+		return false;
+	}
+	const auto lnk = QString::fromWCharArray(startupFolder)
+		+ '\\'
+		+ AppFile.utf16()
+		+ u".lnk"_q;
+	if (!create) {
+		QFile::remove(lnk);
+		return true;
 	}
-	WCHAR startupFolder[MAX_PATH];
-	HRESULT hr = SHGetFolderPath(0, path_csidl, 0, SHGFP_TYPE_CURRENT, startupFolder);
-	if (SUCCEEDED(hr)) {
-		QString lnk = QString::fromWCharArray(startupFolder) + '\\' + AppFile.utf16() + u".lnk"_q;
-		if (create) {
 	const auto shellLink = base::WinRT::TryCreateInstance<IShellLink>(
 		CLSID_ShellLink,
 		CLSCTX_INPROC_SERVER);
-			if (shellLink) {
+	if (!shellLink) {
+		if (!silent) LOG(("App Error: could not create instance of IID_IShellLink %1").arg(hr));
+		return false;
+	}
 	QString exe = QDir::toNativeSeparators(cExeDir() + cExeName()), dir = QDir::toNativeSeparators(QDir(cWorkingDir()).absolutePath());
 	shellLink->SetArguments(args);
 	shellLink->SetPath(exe.toStdWString().c_str());
@@ -173,20 +203,17 @@ void ManageAppLink(bool create, bool silent, int path_csidl, const wchar_t *args
 		}
 	}
 
-				if (const auto persistFile = shellLink.try_as<IPersistFile>()) {
+	const auto persistFile = shellLink.try_as<IPersistFile>();
-					hr = persistFile->Save(lnk.toStdWString().c_str(), TRUE);
+	if (!persistFile) {
-				} else {
 		if (!silent) LOG(("App Error: could not create interface IID_IPersistFile %1").arg(hr));
+		return false;
 	}
-			} else {
+	hr = persistFile->Save(lnk.toStdWString().c_str(), TRUE);
-				if (!silent) LOG(("App Error: could not create instance of IID_IShellLink %1").arg(hr));
+	if (!SUCCEEDED(hr)) {
-			}
+		if (!silent) LOG(("App Error: could not save IPersistFile to path %1").arg(lnk));
-		} else {
+		return false;
-			QFile::remove(lnk);
-		}
-	} else {
-		if (!silent) LOG(("App Error: could not get CSIDL %1 folder %2").arg(path_csidl).arg(hr));
 	}
+	return true;
 }
 
 } // namespace
@@ -415,9 +442,15 @@ void AutostartToggle(bool enabled, Fn<void(bool)> done) {
 		done ? Fn<void(bool)>(callback) : nullptr);
 #else // OS_WIN_STORE
 	const auto silent = !done;
-	ManageAppLink(enabled, silent, CSIDL_STARTUP, L"-autostart", L"Telegram autorun link.\nYou can disable autorun in Telegram settings.");
+	const auto success = ManageAppLink(
+		enabled,
+		silent,
+		FOLDERID_Startup,
+		L"-autostart",
+		L"Telegram autorun link.\n"
+		"You can disable autorun in Telegram settings.");
 	if (done) {
-		done(enabled);
+		done(enabled && success);
 	}
 #endif // OS_WIN_STORE
 }
@@ -586,7 +619,13 @@ void NewVersionLaunched(int oldVersion) {
 } // namespace Platform
 
 void psSendToMenu(bool send, bool silent) {
-	ManageAppLink(send, silent, CSIDL_SENDTO, L"-sendpath", L"Telegram send to link.\nYou can disable send to menu item in Telegram settings.");
+	ManageAppLink(
+		send,
+		silent,
+		FOLDERID_SendTo,
+		L"-sendpath",
+		L"Telegram send to link.\n"
+		"You can disable send to menu item in Telegram settings.");
 }
 
 bool psLaunchMaps(const Data::LocationPoint &point) {

Telegram/SourceFiles/settings/settings_advanced.cpp

@@ -500,10 +500,17 @@ void SetupSystemIntegrationContent(
 		) | rpl::filter([](bool checked) {
 			return (checked != cAutoStart());
 		}) | rpl::start_with_next([=](bool checked) {
+			const auto weak = base::make_weak(controller);
 			cSetAutoStart(checked);
 			Platform::AutostartToggle(checked, crl::guard(autostart, [=](
 					bool enabled) {
+				if (checked && !enabled && weak) {
+					weak->window().showToast(
+						Lang::Hard::AutostartEnableError());
+				}
+				Ui::PostponeCall(autostart, [=] {
 					autostart->setChecked(enabled);
+				});
 				if (enabled || !minimized->entity()->checked()) {
 					Local::writeSettings();
 				} else {