Corner radius for progress view

We want to customize corner radius for progress view. The corner radius
for progress view is dependent on progressViewThickness, it means we
can not customize it without changing progressViewThickness.

Author: trungp

Classes/ProgressViews/M13ProgressViewBar.h

@@ -35,6 +35,8 @@ typedef enum {
 @property (nonatomic, assign) M13ProgressViewBarProgressDirection progressDirection;
 /**The thickness of the progress bar.*/
 @property (nonatomic, assign) CGFloat progressBarThickness;
+/**The corner radius of the progress bar.*/
+@property (nonatomic, assign) CGFloat progressBarCornerRadius;
 /**@name Actions*/
 /**The color the bar changes to for the success action.*/
 @property (nonatomic, retain) UIColor *successColor;

Classes/ProgressViews/M13ProgressViewBar.m

@@ -76,6 +76,7 @@ - (void)setup
     self.animationDuration = .3;
     _progressDirection = M13ProgressViewBarProgressDirectionLeftToRight;
     _progressBarThickness = 2;
+    _progressBarCornerRadius = _progressBarThickness / 2.0;
     _percentagePosition = M13ProgressViewBarPercentagePositionRight;
     _showPercentage = YES;
 
@@ -92,7 +93,7 @@ - (void)setup
     //Progress View
     _progressBar = [[UIView alloc] init];
     _progressBar.backgroundColor = self.secondaryColor;
-    _progressBar.layer.cornerRadius = _progressBarThickness / 2.0;
+    _progressBar.layer.cornerRadius = _progressBarCornerRadius;
     _progressBar.clipsToBounds = YES;
     [self addSubview:_progressBar];
 
@@ -115,7 +116,7 @@ - (void)setup
     //IndeterminateLayer
     _indeterminateLayer = [CALayer layer];
     _indeterminateLayer.backgroundColor = self.primaryColor.CGColor;
-    _indeterminateLayer.cornerRadius = _progressBarThickness / 2.0;
+    _indeterminateLayer.cornerRadius = _progressBarCornerRadius;
     _indeterminateLayer.opacity = 0;
     [_progressBar.layer addSublayer:_indeterminateLayer];
 
@@ -185,6 +186,19 @@ - (void)setProgressBarThickness:(CGFloat)progressBarThickness
     [self invalidateIntrinsicContentSize];
 }
 
+- (void)setProgressBarCornerRadius:(CGFloat)progressBarCornerRadius
+{
+    _progressBarCornerRadius = progressBarCornerRadius;
+    
+    // Update the layer size
+    [self setNeedsDisplay];
+    
+    // Update corner radius for layers
+    _progressBar.layer.cornerRadius = _progressBarCornerRadius;
+    _indeterminateLayer.cornerRadius = _progressBarCornerRadius;
+    [self invalidateIntrinsicContentSize];
+}
+
 #pragma mark Actions
 
 - (void)setProgress:(CGFloat)progress animated:(BOOL)animated

M13ProgressSuite/BarViewController.h

@@ -23,6 +23,7 @@
 @property (nonatomic, retain) IBOutlet UIButton *animateButton;
 @property (nonatomic, retain) IBOutlet UISegmentedControl *iconControl;
 @property (nonatomic, retain) IBOutlet UISwitch *indeterminateSwitch;
+@property (nonatomic, retain) IBOutlet UISwitch *cornerRadiusSwitch;
 @property (nonatomic, retain) IBOutlet UISwitch *showPercentageSwitch;
 @property (nonatomic, retain) IBOutlet UISegmentedControl *positionControl;
 @property (nonatomic, retain) IBOutlet UISegmentedControl *directionControl;
@@ -31,6 +32,7 @@
 - (IBAction)progressChanged:(id)sender;
 - (IBAction)iconChanged:(id)sender;
 - (IBAction)indeterminateChanged:(id)sender;
+- (IBAction)cornerRadiusChanged:(id)sender;
 - (IBAction)showPercentage:(id)sender;
 - (IBAction)percentagePositionChangeed:(id)sender;
 - (IBAction)directioChanged:(id)sender;

M13ProgressSuite/BarViewController.m

@@ -38,6 +38,10 @@ - (void)viewDidLoad
     //Set the percentage position
     _progressViewVertical.percentagePosition = M13ProgressViewBarPercentagePositionTop;
     _progressViewHorizontal.percentagePosition = M13ProgressViewBarPercentagePositionTop;
+    
+    // Remove corner radius
+    _progressViewVertical.progressBarCornerRadius = 0.0;
+    _progressViewHorizontal.progressBarCornerRadius = 0.0;
 }
 
 - (void)didReceiveMemoryWarning
@@ -92,6 +96,12 @@ - (void)indeterminateChanged:(id)sender
     [_progressViewVertical setIndeterminate:_indeterminateSwitch.on];
 }
 
+- (IBAction)cornerRadiusChanged:(id)sender
+{
+    [_progressViewHorizontal setProgressBarCornerRadius:_cornerRadiusSwitch.on ? _progressViewHorizontal.progressBarThickness / 2.0 : 0.0];
+    [_progressViewVertical setProgressBarCornerRadius:_cornerRadiusSwitch.on ? _progressViewVertical.progressBarThickness / 2.0 : 0.0];
+}
+
 - (void)animateProgress:(id)sender
 {
     //Disable other controls