Added delegate methods for settings view controller

Author: TimOliver

TOPasscodeViewController/TOPasscodeSettingsViewController.h

@@ -9,6 +9,8 @@
 #import <UIKit/UIKit.h>
 #import "TOPasscodeViewControllerConstants.h"
 
+@class TOPasscodeSettingsViewController;
+
 typedef NS_ENUM(NSInteger, TOPasscodeSettingsViewState) {
     TOPasscodeSettingsViewStateEnterNewPassword,
     TOPasscodeSettingsViewStateConfirmNewPassword,
@@ -17,14 +19,33 @@ typedef NS_ENUM(NSInteger, TOPasscodeSettingsViewState) {
 
 NS_ASSUME_NONNULL_BEGIN
 
+@protocol TOPasscodeSettingsViewControllerDelegate <NSObject>
+
+/** Called when the user was prompted to input their current passcode.
+ Return YES if passcode was right and NO otherwise.
+
+ Returning NO will cause a warning label to appear
+ */
+- (BOOL)passcodeSettingsViewControllerDidAttemptCurrentPasscode:(NSString *)passcode;
+
+/** Called when the user has successfully set a new passcode. At this point, you should save over
+    the old passcode with the new one. */
+- (void)passcodeSettingsViewControllerDidChangeToNewPasscode:(NSString *)passcode ofType:(TOPasscodeType)type;
+
+@end
+
+// ----------------------------------------------------------------------
+
 @interface TOPasscodeSettingsViewController : UIViewController
 
-/* Set the visual style of the view controller (light or dark) */
+/** Set the visual style of the view controller (light or dark) */
 @property (nonatomic, assign) TOPasscodeSettingsViewStyle style;
 
-/* Before setting a new passcode, show a UI to validate the existing password. (Default is YES) */
+/** Before setting a new passcode, show a UI to validate the existing password. (Default is YES) */
 @property (nonatomic, assign) BOOL requireCurrentPasscode;
 
+/** If set, the view controller will disable input until this date time has been reached */
+
 /* Create a new instance with the desird light or dark style */
 - (instancetype)initWithStyle:(TOPasscodeSettingsViewStyle)style;
 

TOPasscodeViewController/TOPasscodeSettingsViewController.m

@@ -111,7 +111,7 @@ - (void)viewDidLoad {
     self.warningLabel.frame = frame;
 
     // Apply light/dark mode
-    [self applyThemeForStyle:TOPasscodeSettingsViewStyleDark];
+    [self applyThemeForStyle:self.style];
 }
 
 - (void)viewDidLayoutSubviews

TOPasscodeViewController/Views/TOPasscodeSettingsKeypadView.m

@@ -134,7 +134,7 @@ - (void)setUpDefaultValuesForStye:(TOPasscodeSettingsViewStyle)style
     // Separator lines
     UIColor *separatorColor = nil;
     if (isDark) {
-        separatorColor = [UIColor colorWithWhite:0.3f alpha:1.0f];
+        separatorColor = [UIColor colorWithWhite:0.25f alpha:1.0f];
     }
     else {
         separatorColor = [UIColor colorWithWhite:0.7f alpha:1.0f];