Merge pull request #113 from ilyavelilyaev/master

Added ability to set custom background color to UINavigationBar progress bar.

Classes/NavigationController/UINavigationController+M13ProgressViewBar.h

@@ -50,5 +50,11 @@
  @param secondaryColor The color to set.
  */
 - (void)setSecondaryColor:(UIColor *)secondaryColor;
+/**
+ The background color of the progress bar, if nil, the background color will be the clearColor.
+ 
+ @param background The color to set.
+ */
+- (void)setBackgroundColor:(UIColor *)backgroundColor;
 
 @end

Classes/NavigationController/UINavigationController+M13ProgressViewBar.m

@@ -20,6 +20,8 @@
 static char isShowingProgressKey;
 static char primaryColorKey;
 static char secondaryColorKey;
+static char backgroundColorKey;
+static char backgroundViewKey;
 
 @implementation UINavigationController (M13ProgressViewBar)
 
@@ -91,8 +93,8 @@ - (void)animateProgress:(CADisplayLink *)displayLink
 - (void)finishProgress
 {
     UIView *progressView = [self getProgressView];
-
-    if (progressView) {
+    UIView *backgroundView = [self getBackgroundView];
+    if (progressView && backgroundView) {
         dispatch_async(dispatch_get_main_queue(), ^{
             [UIView animateWithDuration:0.1 animations:^{
                 CGRect progressFrame = progressView.frame;
@@ -101,8 +103,11 @@ - (void)finishProgress
             } completion:^(BOOL finished) {
                 [UIView animateWithDuration:0.5 animations:^{
                     progressView.alpha = 0;
+                    backgroundView.alpha = 0;
                 } completion:^(BOOL finished) {
                     [progressView removeFromSuperview];
+                    [backgroundView removeFromSuperview];
+                    backgroundView.alpha = 1;
                     progressView.alpha = 1;
                     [self setTitle:nil];
                     [self setIsShowingProgressBar:NO];
@@ -115,14 +120,18 @@ - (void)finishProgress
 - (void)cancelProgress
 {
     UIView *progressView = [self getProgressView];
-
-    if (progressView) {
+    UIView *backgroundView = [self getBackgroundView];
+
+    if (progressView && backgroundView) {
         dispatch_async(dispatch_get_main_queue(), ^{
             [UIView animateWithDuration:0.5 animations:^{
                 progressView.alpha = 0;
+                backgroundView.alpha = 0;
             } completion:^(BOOL finished) {
                 [progressView removeFromSuperview];
+                [backgroundView removeFromSuperview];
                 progressView.alpha = 1;
+                backgroundView.alpha = 1;
                 [self setTitle:nil];
                 [self setIsShowingProgressBar:NO];
             }];
@@ -154,9 +163,11 @@ - (UIInterfaceOrientation)currentDeviceOrientation
 - (void)showProgress
 {
     UIView *progressView = [self getProgressView];
+    UIView *backgroundView = [self getBackgroundView];
 
     [UIView animateWithDuration:.1 animations:^{
         progressView.alpha = 1;
+        backgroundView.alpha = 1;
     }];
 
     [self setIsShowingProgressBar:YES];
@@ -174,14 +185,31 @@ - (void)updateProgressWithInterfaceOrientation:(UIInterfaceOrientation)interface
     if(!progressView)
 	{
 		progressView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 0, 2.5)];
-		progressView.backgroundColor = self.navigationBar.tintColor;
-        if ([self getPrimaryColor]) {
-            progressView.backgroundColor = [self getPrimaryColor];
-        }
         progressView.clipsToBounds = YES;
         [self setProgressView:progressView];
 	}
 
+    if ([self getPrimaryColor]) {
+        progressView.backgroundColor = [self getPrimaryColor];
+    } else {
+        progressView.backgroundColor = self.navigationBar.tintColor;
+    }
+
+    //Create background view if it doesn't exist
+    UIView *backgroundView = [self getBackgroundView];
+    if (!backgroundView)
+    {
+        backgroundView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 0, 2.5)];
+        backgroundView.clipsToBounds = YES;
+        [self setBackgroundView:backgroundView];
+    }
+
+    if ([self getBackgroundColor]) {
+        backgroundView.backgroundColor = [self getBackgroundColor];
+    } else {
+        backgroundView.backgroundColor = [UIColor clearColor];
+    }
+
     //Calculate the frame of the navigation bar, based off the orientation.
     UIView *topView = self.topViewController.view;
     CGSize screenSize;
@@ -209,6 +237,7 @@ - (void)updateProgressWithInterfaceOrientation:(UIInterfaceOrientation)interface
 
     //Check if the progress view is in its superview and if we are showing the bar.
     if (progressView.superview == nil && [self isShowingProgressBar]) {
+        [self.navigationBar addSubview:backgroundView];
         [self.navigationBar addSubview:progressView];