now show loading frame when waiting for background tasks

Limelight/ViewControllers/LoadingFrameViewController.h

@@ -9,6 +9,6 @@
 #import <UIKit/UIKit.h>
 
 @interface LoadingFrameViewController : UIViewController
-@property (weak, nonatomic) IBOutlet NSLayoutConstraint *loadingSpinner;
 
+@property (weak, nonatomic) IBOutlet UIActivityIndicatorView *loadingSpinner;
 @end

Limelight/ViewControllers/LoadingFrameViewController.m

@@ -16,6 +16,8 @@
 
 - (void)viewDidLoad {
     [super viewDidLoad];
+    // center the loading spinner
+    self.loadingSpinner.center = CGPointMake(self.view.frame.size.width / 2, self.view.frame.size.height / 2);
 }
 
 - (void)didReceiveMemoryWarning {

Limelight/ViewControllers/MainFrameViewController.m

@@ -52,6 +52,7 @@ static NSArray* appList;
         _pairAlert = [[UIAlertView alloc] initWithTitle:@"Pairing Failed" message:message delegate:self cancelButtonTitle:@"Ok" otherButtonTitles:nil, nil];
         [_pairAlert show];
         [_discMan startDiscovery];
+        [self hideLoadingFrame];
     });
 }
 
@@ -61,6 +62,7 @@ static NSArray* appList;
         _pairAlert = [[UIAlertView alloc] initWithTitle:@"Pairing Succesful" message:@"Successfully paired to host" delegate:self cancelButtonTitle:@"Ok" otherButtonTitles:nil, nil];
         [_pairAlert show];
         [_discMan startDiscovery];
+        [self hideLoadingFrame];
     });
 }
 
@@ -83,6 +85,7 @@ static NSArray* appList;
             } else {
                 dispatch_async(dispatch_get_main_queue(), ^{
                     [self updateApps];
+                    [self hideLoadingFrame];
                 });
                 
                 [_appManager stopRetrieving];
@@ -114,6 +117,7 @@ static NSArray* appList;
 
 - (void) hostClicked:(Host *)host {
     Log(LOG_D, @"Clicked host: %@", host.name);
+    [self showLoadingFrame];
     _selectedHost = host;
     dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
         HttpManager* hMan = [[HttpManager alloc] initWithHost:host.address uniqueId:_uniqueId deviceName:deviceName cert:_cert];
@@ -187,6 +191,7 @@ static NSArray* appList;
 
 - (void) addHostClicked {
     Log(LOG_D, @"Clicked add host");
+    [self showLoadingFrame];
     UIAlertController* alertController = [UIAlertController alertControllerWithTitle:@"Host Address" message:@"Please enter a hostname or IP address" preferredStyle:UIAlertControllerStyleAlert];
     [alertController addAction:[UIAlertAction actionWithTitle:@"Cancel" style:UIAlertActionStyleCancel handler:nil]];
     [alertController addAction:[UIAlertAction actionWithTitle:@"OK" style:UIAlertActionStyleDefault handler:^(UIAlertAction* action){
@@ -212,6 +217,7 @@ static NSArray* appList;
             }];});
     }]];
     [alertController addTextFieldWithConfigurationHandler:nil];
+    [self hideLoadingFrame];
     [self presentViewController:alertController animated:YES completion:nil];
 }
 

iPad.storyboard

@@ -242,6 +242,9 @@
                         <color key="backgroundColor" white="0.0" alpha="0.5" colorSpace="calibratedWhite"/>
                     </view>
                     <simulatedOrientationMetrics key="simulatedOrientationMetrics" orientation="landscapeRight"/>
+                    <connections>
+                        <outlet property="loadingSpinner" destination="N0D-dj-EuF" id="xEQ-nx-SOt"/>
+                    </connections>
                 </viewController>
                 <placeholder placeholderIdentifier="IBFirstResponder" id="lJG-tq-Jrs" userLabel="First Responder" sceneMemberID="firstResponder"/>
             </objects>

iPhone.storyboard

@@ -245,7 +245,7 @@
                     </view>
                     <simulatedOrientationMetrics key="simulatedOrientationMetrics" orientation="landscapeRight"/>
                     <connections>
-                        <outlet property="loadingSpinner" destination="jJs-wm-fmH" id="Qq1-JJ-55a"/>
+                        <outlet property="loadingSpinner" destination="oNu-Gu-QeM" id="5IK-qn-mIZ"/>
                     </connections>
                 </viewController>
                 <placeholder placeholderIdentifier="IBFirstResponder" id="GaV-PK-JSI" userLabel="First Responder" sceneMemberID="firstResponder"/>