Added support of pending suggestion to set up login email.

Telegram/SourceFiles/core/application.cpp

@@ -169,6 +169,7 @@ Application::Application()
 , _langCloudManager(std::make_unique<Lang::CloudManager>(langpack()))
 , _emojiKeywords(std::make_unique<ChatHelpers::EmojiKeywords>())
 , _tray(std::make_unique<Tray>())
+, _setupEmailLock(false)
 , _autoLockTimer([=] { checkAutoLock(); }) {
 	Ui::Integration::Set(&_private->uiIntegration);
 
@@ -1245,6 +1246,20 @@ rpl::producer<bool> Application::passcodeLockValue() const {
 	return _passcodeLock.value();
 }
 
+void Application::lockBySetupEmail() {
+	_setupEmailLock = true;
+	enumerateWindows([&](not_null<Window::Controller*> w) {
+		w->setupSetupEmailLock();
+	});
+}
+
+void Application::unlockSetupEmail() {
+	_setupEmailLock = false;
+	enumerateWindows([&](not_null<Window::Controller*> w) {
+		w->clearSetupEmailLock();
+	});
+}
+
 bool Application::someSessionExists() const {
 	for (const auto &[index, account] : _domain->accounts()) {
 		if (account->sessionExists()) {

Telegram/SourceFiles/core/application.h

@@ -304,6 +304,9 @@ public:
 	rpl::producer<bool> passcodeLockChanges() const;
 	rpl::producer<bool> passcodeLockValue() const;
 
+	void lockBySetupEmail();
+	void unlockSetupEmail();
+
 	void checkAutoLock(crl::time lastNonIdleTime = 0);
 	void checkAutoLockIn(crl::time time);
 	void localPasscodeChanged();
@@ -444,6 +447,7 @@ private:
 	bool _floatPlayerGifsPaused = false;
 
 	rpl::variable<bool> _passcodeLock;
+	rpl::variable<bool> _setupEmailLock;
 	bool _screenIsLocked = false;
 
 	crl::time _shouldLockAt = 0;

Telegram/SourceFiles/core/core_cloud_password.cpp

@@ -315,8 +315,8 @@ CloudPasswordState ParseCloudPasswordState(
 		ParseSecureSecretAlgo(data.vnew_secure_algo()));
 	result.unconfirmedPattern = qs(
 		data.vemail_unconfirmed_pattern().value_or_empty());
-	result.loginEmailPattern = qs(
-		data.vlogin_email_pattern().value_or_empty());
+	const auto pattern = qs(data.vlogin_email_pattern().value_or_empty());
+	result.loginEmailPattern = pattern.contains(' ') ? QString() : pattern;
 	result.pendingResetDate = data.vpending_reset_date().value_or_empty();
 
 	result.outdatedClient = [&] {