Signup: Locking UI while async requests

Signal/src/Storyboard/Storyboard.storyboard

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="6250" systemVersion="14B25" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" initialViewController="kts-vO-ui1">
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="6250" systemVersion="14C68k" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" initialViewController="kts-vO-ui1">
     <dependencies>
         <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="6244"/>
         <capability name="Alignment constraints with different attributes" minToolsVersion="5.1"/>
@@ -1161,6 +1161,7 @@ Lorem ipsum : Quick explanation of Fingerprints</string>
                         <outlet property="countryCodeLabel" destination="TiF-CF-7WU" id="a8o-pE-QzV"/>
                         <outlet property="countryNameLabel" destination="4o4-Xj-5JG" id="dFh-dM-mgC"/>
                         <outlet property="phoneNumberTextField" destination="tTJ-pq-Z9L" id="gPX-pu-twz"/>
+                        <outlet property="sendCodeButton" destination="7IK-hd-tli" id="zj7-3u-4OR"/>
                         <segue destination="3Uo-Ow-qOD" kind="show" identifier="codeSent" id="KhC-MI-Evx"/>
                     </connections>
                 </viewController>
@@ -1398,6 +1399,7 @@ Lorem ipsum : Quick explanation of Fingerprints</string>
                         </variation>
                     </view>
                     <connections>
+                        <outlet property="challengeButton" destination="PHu-da-Fan" id="hd0-4C-XqL"/>
                         <outlet property="challengeTextField" destination="yK6-ad-ihc" id="cnh-li-Z6O"/>
                         <segue destination="QKN-cj-wuH" kind="show" identifier="verifiedSegue" id="Wd2-mW-FfR"/>
                     </connections>
@@ -3119,6 +3121,6 @@ Licensed under the GPLv3</string>
         <image name="signals_tab.png" width="24" height="24"/>
     </resources>
     <inferredMetricsTieBreakers>
-        <segue reference="QK8-XK-Wd3"/>
+        <segue reference="qCk-gl-KCX"/>
     </inferredMetricsTieBreakers>
 </document>

Signal/src/view controllers/CodeVerificationViewController.h

@@ -12,6 +12,8 @@
 
 @property(nonatomic, strong) IBOutlet UITextField* challengeTextField;
 
+@property(nonatomic, strong) IBOutlet UIButton* challengeButton;
+
 - (IBAction)verifyChallengeAction:(id)sender;
 
 @end

Signal/src/view controllers/CodeVerificationViewController.m

@@ -29,6 +29,12 @@
     [self initializeKeyboardHandlers];
 }
 
+-(void)viewWillAppear:(BOOL)animated
+{
+    [super viewWillAppear:animated];
+    [_challengeButton setEnabled:YES];
+}
+
 - (void)didReceiveMemoryWarning {
     [super didReceiveMemoryWarning];
     // Dispose of any resources that can be recreated.
@@ -37,6 +43,7 @@
 
 - (IBAction)verifyChallengeAction:(id)sender {
     
+    [_challengeButton setEnabled:NO];
     [_challengeTextField resignFirstResponder];
     //TODO: Lock UI interactions
     
@@ -47,6 +54,7 @@
        // TODO: Unlock UI
         NSLog(@"Failed to register");
         [self showAlertForError:error];
+        [_challengeButton setEnabled:YES];
     }];
 }
 

Signal/src/view controllers/RegistrationViewController.h

@@ -20,4 +20,7 @@
 //Phone number
 @property(nonatomic, strong) IBOutlet UITextField* phoneNumberTextField;
 
+//Button
+@property(nonatomic, strong) IBOutlet UIButton* sendCodeButton;
+
 @end

Signal/src/view controllers/RegistrationViewController.m

@@ -42,6 +42,13 @@
     [self initializeKeyboardHandlers];
 }
 
+-(void)viewDidAppear:(BOOL)animated
+{
+    [super viewDidAppear:animated];
+    
+    [_sendCodeButton setEnabled:YES];
+}
+
 - (void)didReceiveMemoryWarning {
     [super didReceiveMemoryWarning];
     // Dispose of any resources that can be recreated.
@@ -67,10 +74,8 @@
     PhoneNumber* localNumber = [PhoneNumber tryParsePhoneNumberFromUserSpecifiedText:phoneNumber];
     if(localNumber==nil){ return; }
     
-    //TO:DO Disable button
+    [_sendCodeButton setEnabled:NO];
-    
     [_phoneNumberTextField resignFirstResponder];
-    
     [SignalKeyingStorage setLocalNumberTo:localNumber];
     
     [[RPServerRequestsManager sharedInstance]performRequest:[RPAPICall requestVerificationCode] success:^(NSURLSessionDataTask *task, id responseObject) {
@@ -87,6 +92,8 @@
                                                            otherButtonTitles:nil, nil];
         
         [registrationErrorAV show];
+        
+        [_sendCodeButton setEnabled:YES];
     }];
     
 }