Merge pull request #41 in BPHVB/mvm_core from feature/top_alert_color to develop

* commit '79aaae2ad736126a6e052583e3da53cb5cf0c546':
  Add background and text color

MVMCore/MVMCore/AlertHandling/MVMCoreTopAlertObject.h

@@ -6,7 +6,7 @@
 //  Copyright © 2016 Verizon Wireless. All rights reserved.
 //
 
-#import <Foundation/Foundation.h>
+#import <UIKit/UIKit.h>
 #import <MVMCore/MVMCoreTopAlertDelegateProtocol.h>
 
 extern NSUInteger const TopAlertDismissTime;
@@ -44,6 +44,10 @@ extern NSUInteger const TopAlertDismissTime;
 // If 0, uses default 5 seconds.
 @property (nonatomic) NSInteger topAlertDismissTime;
 
+// Server can set color.
+@property (nullable, strong, nonatomic) UIColor *backgroundColor;
+@property (nullable, strong, nonatomic) UIColor *textColor;
+
 - (nullable instancetype)initWithResponseInfo:(nullable NSDictionary *)responseInfo;
 
 - (nullable instancetype)initWithType:(nullable NSString *)type message:(nullable NSString *)message;

MVMCore/MVMCore/AlertHandling/MVMCoreTopAlertObject.m

@@ -8,9 +8,11 @@
 
 #import "MVMCoreTopAlertObject.h"
 #import <MVMCore/NSDictionary+MFConvenience.h>
+#import "MVMCoreGetterUtility.h"
 #import "MVMCoreAlertHandler.h"
 #import "MVMCoreJSONConstants.h"
 
+
 NSUInteger const TopAlertDismissTime = 5;
 
 @implementation MVMCoreTopAlertObject
@@ -27,6 +29,15 @@ NSUInteger const TopAlertDismissTime = 5;
         self.topMessage = [responseInfo string:KeyTopMessage];
         self.imageNameOrURL = [responseInfo string:@"topAlertImageUrl"];
         
+        NSString *color = [responseInfo string:@"topAlertColor"];
+        if (color) {
+            self.backgroundColor = [MVMCoreGetterUtility getColorForHexString:color];
+        }
+        color = [responseInfo string:@"messageColor"];
+        if (color) {
+            self.textColor = [MVMCoreGetterUtility getColorForHexString:color];
+        }
+        
         // The default is yes if not sent by server (for legacy to work as is)
         NSNumber *closeButton = [responseInfo objectForKey:KeyCloseButton ofType:[NSNumber class]];
         if (closeButton) {

MVMCore/MVMCore/Utility/Helpers/MVMCoreGetterUtility.h

@@ -21,4 +21,8 @@
 
 // Returns true if the user's language is Spanish
 + (BOOL)userPrefersSpanish;
+
+// Returns a UIColor
++ (nonnull UIColor *)getColorForHexString:(nonnull NSString *)hexString;
+
 @end

MVMCore/MVMCore/Utility/Helpers/MVMCoreGetterUtility.m

@@ -34,5 +34,20 @@
     }
 }
 
++ (nonnull UIColor *)getColorForHexString:(nonnull NSString *)hexString {
+    unsigned int hexint = 0;
+    
+    // Create scanner
+    NSScanner *scanner = [NSScanner scannerWithString:hexString];
+    
+    // Tell scanner to skip the # character
+    [scanner setCharactersToBeSkipped:[NSCharacterSet characterSetWithCharactersInString:@"#"]];
+    [scanner scanHexInt:&hexint];
+    
+    return [UIColor colorWithRed:((CGFloat) ((hexint & 0xFF0000) >> 16))/255
+                                     green:((CGFloat) ((hexint & 0xFF00) >> 8))/255
+                                      blue:((CGFloat) (hexint & 0xFF))/255
+                                     alpha:1];
+}
 
 @end