Add more helpers for getting app name and making a screenshot

Screenshot is not yet used.

Classes/BITFeedbackActivity.m

@@ -47,9 +47,7 @@
 }
 
 - (NSString *)activityTitle {
-  NSString *appName = [[[NSBundle mainBundle] localizedInfoDictionary] objectForKey:@"CFBundleDisplayName"];
-  if (!appName)
-    appName = [[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleDisplayName"] ?: BITHockeyLocalizedString(@"HockeyFeedbackActivityAppPlaceholder");
+  NSString *appName = bit_appName();
   
   return [NSString stringWithFormat:BITHockeyLocalizedString(@"HockeyFeedbackActivityButtonTitle"), appName];
 }

Classes/BITHockeyHelper.h

@@ -34,6 +34,7 @@ NSString *bit_URLEncodedString(NSString *inputString);
 NSString *bit_URLDecodedString(NSString *inputString);
 NSComparisonResult bit_versionCompare(NSString *stringA, NSString *stringB);
 NSString *bit_encodeAppIdentifier(NSString *inputString);
+NSString *bit_appName(void);
 
 /* UIImage helpers */
 UIImage *bit_roundedCornerImage(UIImage *inputImage, NSInteger cornerSize, NSInteger borderSize);
@@ -43,3 +44,5 @@ UIImage *bit_reflectedImageWithHeight(UIImage *inputImage, NSUInteger height, fl
 UIImage *bit_newWithContentsOfResolutionIndependentFile(NSString * path);
 UIImage *bit_imageWithContentsOfResolutionIndependentFile(NSString * path);
 UIImage *bit_imageNamed(NSString *imageName, NSString *bundleName);
+UIImage *bit_screenshot(void);
+UIImage *bit_appIcon(void);

Classes/BITHockeyHelper.m

@@ -29,6 +29,8 @@
 
 #import "BITHockeyHelper.h"
 #import "HockeySDK.h"
+#import "HockeySDKPrivate.h"
+#import <QuartzCore/QuartzCore.h>
 
 
 #pragma mark NSString helpers
@@ -80,6 +82,13 @@ NSString *bit_encodeAppIdentifier(NSString *inputString) {
   return (inputString ? bit_URLEncodedString(inputString) : bit_URLEncodedString([[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleIdentifier"]));
 }
 
+NSString *bit_appName(void) {
+  NSString *appName = [[[NSBundle mainBundle] localizedInfoDictionary] objectForKey:@"CFBundleDisplayName"];
+  if (!appName)
+    appName = [[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleDisplayName"] ?: BITHockeyLocalizedString(@"HockeyFeedbackActivityAppPlaceholder");
+
+  return appName;
+}
 
 
 #pragma mark UIImage private helpers
@@ -89,6 +98,7 @@ static CGContextRef bit_MyOpenBitmapContext(int pixelsWide, int pixelsHigh);
 static CGImageRef bit_CreateGradientImage(int pixelsWide, int pixelsHigh, float fromAlpha, float toAlpha);
 static BOOL bit_hasAlpha(UIImage *inputImage);
 UIImage *bit_imageWithAlpha(UIImage *inputImage);
+UIImage *bit_addGlossToImage(UIImage *inputImage);
 
 // Adds a rectangular path to the given context and rounds its corners by the given extents
 // Original author: Björn Sållarp. Used with permission. See: http://blog.sallarp.com/iphone-uiimage-round-corners/
@@ -148,12 +158,7 @@ CGImageRef bit_CreateGradientImage(int pixelsWide, int pixelsHigh, float fromAlp
 
 CGContextRef bit_MyOpenBitmapContext(int pixelsWide, int pixelsHigh) {
   CGSize size = CGSizeMake(pixelsWide, pixelsHigh);
-  if (UIGraphicsBeginImageContextWithOptions != NULL) {
-    UIGraphicsBeginImageContextWithOptions(size, NO, 0.0);
-  }
-  else {
-    UIGraphicsBeginImageContext(size);
-  }
+  UIGraphicsBeginImageContextWithOptions(size, NO, 0.0);
   
   return UIGraphicsGetCurrentContext();
 }
@@ -199,6 +204,18 @@ UIImage *bit_imageWithAlpha(UIImage *inputImage) {
   return imageWithAlpha;
 }
 
+UIImage *bit_addGlossToImage(UIImage *inputImage) {
+  UIGraphicsBeginImageContextWithOptions(inputImage.size, NO, 0.0);
+  
+  [inputImage drawAtPoint:CGPointZero];
+  UIImage *iconGradient = bit_imageNamed(@"IconGradient.png", BITHOCKEYSDK_BUNDLE);
+  [iconGradient drawInRect:CGRectMake(0, 0, inputImage.size.width, inputImage.size.height) blendMode:kCGBlendModeNormal alpha:0.5];
+  
+  UIImage *result = UIGraphicsGetImageFromCurrentImageContext();
+  UIGraphicsEndImageContext();
+  
+  return result;
+}
 
 #pragma mark UIImage helpers
 
@@ -387,3 +404,115 @@ UIImage *bit_roundedCornerImage(UIImage *inputImage, NSInteger cornerSize, NSInt
   
   return roundedImage;
 }
+
+UIImage *bit_appIcon() {
+  NSString *iconString = nil;
+  NSArray *icons = [[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleIconFiles"];
+  if (!icons) {
+    icons = [[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleIcons"];
+    if ((icons) && ([icons isKindOfClass:[NSDictionary class]])) {
+      icons = [icons valueForKeyPath:@"CFBundlePrimaryIcon.CFBundleIconFiles"];
+    }
+    
+    if (!icons) {
+      iconString = [[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleIconFile"];
+      if (!iconString) {
+        iconString = @"Icon.png";
+      }
+    }
+  }
+  
+  if (icons) {
+    BOOL useHighResIcon = NO;
+    if ([UIScreen mainScreen].scale == 2.0f) useHighResIcon = YES;
+    
+    for(NSString *icon in icons) {
+      iconString = icon;
+      UIImage *iconImage = [UIImage imageNamed:icon];
+      
+      if (iconImage.size.height == 57 && !useHighResIcon) {
+        // found!
+        break;
+      }
+      if (iconImage.size.height == 114 && useHighResIcon) {
+        // found!
+        break;
+      }
+    }
+  }
+  
+  BOOL addGloss = YES;
+  NSNumber *prerendered = [[NSBundle mainBundle] objectForInfoDictionaryKey:@"UIPrerenderedIcon"];
+  if (prerendered) {
+    addGloss = ![prerendered boolValue];
+  }
+  
+  if (addGloss) {
+    return bit_addGlossToImage([UIImage imageNamed:iconString]);
+  } else {
+    return [UIImage imageNamed:iconString];
+  }
+}
+
+UIImage *bit_screenshot() {
+  // Create a graphics context with the target size
+  CGSize imageSize = [[UIScreen mainScreen] bounds].size;
+  BOOL isLandscapeLeft = [UIApplication sharedApplication].statusBarOrientation == UIInterfaceOrientationLandscapeLeft;
+  BOOL isLandscapeRight = [UIApplication sharedApplication].statusBarOrientation == UIInterfaceOrientationLandscapeRight;
+  BOOL isUpsideDown = [UIApplication sharedApplication].statusBarOrientation == UIInterfaceOrientationPortraitUpsideDown;
+  
+  if (isLandscapeLeft ||isLandscapeRight) {
+    CGFloat temp = imageSize.width;
+    imageSize.width = imageSize.height;
+    imageSize.height = temp;
+  }
+  
+  UIGraphicsBeginImageContextWithOptions(imageSize, NO, 0);
+  
+  CGContextRef context = UIGraphicsGetCurrentContext();
+  
+  // Iterate over every window from back to front
+  //NSInteger count = 0;
+  for (UIWindow *window in [[UIApplication sharedApplication] windows])  {
+    if (![window respondsToSelector:@selector(screen)] || [window screen] == [UIScreen mainScreen]) {
+      // -renderInContext: renders in the coordinate space of the layer,
+      // so we must first apply the layer's geometry to the graphics context
+      CGContextSaveGState(context);
+      
+      // Center the context around the window's anchor point
+      CGContextTranslateCTM(context, [window center].x, [window center].y);
+      
+      // Apply the window's transform about the anchor point
+      CGContextConcatCTM(context, [window transform]);
+      
+      // Y-offset for the status bar (if it's showing)
+      NSInteger yOffset = [UIApplication sharedApplication].statusBarHidden ? 0 : -20;
+      
+      // Offset by the portion of the bounds left of and above the anchor point
+      CGContextTranslateCTM(context,
+                            -[window bounds].size.width * [[window layer] anchorPoint].x,
+                            -[window bounds].size.height * [[window layer] anchorPoint].y + yOffset);
+      
+      if (isLandscapeLeft) {
+        CGContextConcatCTM(context, CGAffineTransformRotate(CGAffineTransformMakeTranslation( imageSize.width, 0), M_PI / 2.0));
+      } else if (isLandscapeRight) {
+        CGContextConcatCTM(context, CGAffineTransformRotate(CGAffineTransformMakeTranslation( 0, imageSize.height), 3 * M_PI / 2.0));
+      } else if (isUpsideDown) {
+        CGContextConcatCTM(context, CGAffineTransformRotate(CGAffineTransformMakeTranslation( imageSize.width, imageSize.height), M_PI));
+      }
+      
+      // Render the layer hierarchy to the current context
+      [[window layer] renderInContext:context];
+      
+      // Restore the context
+      CGContextRestoreGState(context);
+    }
+  }
+  
+  // Retrieve the screenshot image
+  UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
+  
+  UIGraphicsEndImageContext();
+  
+  return image;
+}

Classes/BITUpdateManager.m

@@ -138,9 +138,7 @@
   }
   
   if (shouldShowDefaultAlert) {
-    NSString *appName = [[[NSBundle mainBundle] localizedInfoDictionary] objectForKey:@"CFBundleDisplayName"];
-    if (!appName)
-      appName = [[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleDisplayName"] ?: BITHockeyLocalizedString(@"HockeyAppNamePlaceholder");
+    NSString *appName = bit_appName();
     [self showBlockingScreen:[NSString stringWithFormat:BITHockeyLocalizedString(@"UpdateExpired"), appName] image:@"authorize_denied.png"];
 
     if (self.delegate != nil && [self.delegate respondsToSelector:@selector(didDisplayExpiryAlertForUpdateManager:)]) {