Use scrolling UITextView for captions

Example/NYTPhotoViewer/NYTViewController.m

@@ -10,10 +10,15 @@
 #import <NYTPhotoViewer/NYTPhotosViewController.h>
 #import "NYTExamplePhoto.h"
 
-static const NSUInteger NYTViewControllerCustomEverythingPhotoIndex = 1;
-static const NSUInteger NYTViewControllerDefaultLoadingSpinnerPhotoIndex = 3;
-static const NSUInteger NYTViewControllerNoReferenceViewPhotoIndex = 4;
-static const NSUInteger NYTViewControllerCustomMaxZoomScalePhotoIndex = 5;
+typedef NS_ENUM(NSUInteger, NYTViewControllerPhotoIndex) {
+    NYTViewControllerPhotoIndexCustomEverything = 1,
+    NYTViewControllerPhotoIndexLongCaption = 2,
+    NYTViewControllerPhotoIndexDefaultLoadingSpinner = 3,
+    NYTViewControllerPhotoIndexNoReferenceView = 4,
+    NYTViewControllerPhotoIndexCustomMaxZoomScale = 5,
+    NYTViewControllerPhotoIndexGif = 6,
+    NYTViewControllerPhotoCount,
+};
 
 @interface NYTViewController () <NYTPhotosViewControllerDelegate>
 
@@ -51,26 +56,51 @@ - (void)updateImagesOnPhotosViewController:(NYTPhotosViewController *)photosView
 + (NSArray *)newTestPhotos {
     NSMutableArray *photos = [NSMutableArray array];
 
-    int limit = 7;
-    for (int i = 0; i < limit; i++) {
+    for (NSUInteger i = 0; i < NYTViewControllerPhotoCount; i++) {
         NYTExamplePhoto *photo = [[NYTExamplePhoto alloc] init];
 
-        if (i == limit - 1) {
+        if (i == NYTViewControllerPhotoIndexGif) {
             photo.imageData = [NSData dataWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"giphy" ofType:@"gif"]];
+        } else if (i == NYTViewControllerPhotoIndexCustomEverything || i == NYTViewControllerPhotoIndexDefaultLoadingSpinner) {
+            // no-op, left here for clarity:
+            photo.image = nil;
         } else {
             photo.image = [UIImage imageNamed:@"NYTimesBuilding"];
         }
-        if (i == NYTViewControllerCustomEverythingPhotoIndex || i == NYTViewControllerDefaultLoadingSpinnerPhotoIndex) {
-            photo.image = nil;
-        }
 
-        if (i == NYTViewControllerCustomEverythingPhotoIndex) {
+        if (i == NYTViewControllerPhotoIndexCustomEverything) {
             photo.placeholderImage = [UIImage imageNamed:@"NYTimesBuildingPlaceholder"];
         }
+
+        NSString *caption = @"summary";
+        switch ((NYTViewControllerPhotoIndex)i) {
+            case NYTViewControllerPhotoIndexCustomEverything:
+                caption = @"photo with custom everything";
+                break;
+            case NYTViewControllerPhotoIndexLongCaption:
+                caption = @"photo with long caption. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vestibulum maximus laoreet vehicula. Maecenas elit quam, pellentesque at tempor vel, tempus non sem. Vestibulum ut aliquam elit. Vivamus rhoncus sapien turpis, at feugiat augue luctus id. Nulla mi urna, viverra sed augue malesuada, bibendum bibendum massa. Cras urna nibh, lacinia vitae feugiat eu, consectetur a tellus. Morbi venenatis nunc sit amet varius pretium. Duis eget sem nec nulla lobortis finibus. Nullam pulvinar gravida est eget tristique. Curabitur faucibus nisl eu diam ullamcorper, at pharetra eros dictum. Suspendisse nibh urna, ultrices a augue a, euismod mattis felis. Ut varius tortor ac efficitur pellentesque. Mauris sit amet rhoncus dolor. Proin vel porttitor mi. Pellentesque lobortis interdum turpis, vitae tincidunt purus vestibulum vel. Phasellus tincidunt vel mi sit amet congue.";
+                break;
+            case NYTViewControllerPhotoIndexDefaultLoadingSpinner:
+                caption = @"photo with loading spinner";
+                break;
+            case NYTViewControllerPhotoIndexNoReferenceView:
+                caption = @"photo without reference view";
+                break;
+            case NYTViewControllerPhotoIndexCustomMaxZoomScale:
+                caption = @"photo with custom maximum zoom scale";
+                break;
+            case NYTViewControllerPhotoIndexGif:
+                caption = @"animated GIF";
+                break;
+            case NYTViewControllerPhotoCount:
+                // this case statement intentionally left blank.
+                break;
+        }
 
-        photo.attributedCaptionTitle = [[NSAttributedString alloc] initWithString:@(i + 1).stringValue attributes:@{NSForegroundColorAttributeName: [UIColor whiteColor]}];
-        photo.attributedCaptionSummary = [[NSAttributedString alloc] initWithString:@"summary" attributes:@{NSForegroundColorAttributeName: [UIColor grayColor]}];
-        photo.attributedCaptionCredit = [[NSAttributedString alloc] initWithString:@"credit" attributes:@{NSForegroundColorAttributeName: [UIColor darkGrayColor]}];
+        photo.attributedCaptionTitle = [[NSAttributedString alloc] initWithString:@(i + 1).stringValue attributes:@{NSForegroundColorAttributeName: [UIColor whiteColor], NSFontAttributeName: [UIFont preferredFontForTextStyle:UIFontTextStyleBody]}];
+        photo.attributedCaptionSummary = [[NSAttributedString alloc] initWithString:caption attributes:@{NSForegroundColorAttributeName: [UIColor lightGrayColor], NSFontAttributeName: [UIFont preferredFontForTextStyle:UIFontTextStyleBody]}];
+        photo.attributedCaptionCredit = [[NSAttributedString alloc] initWithString:@"credit" attributes:@{NSForegroundColorAttributeName: [UIColor grayColor], NSFontAttributeName: [UIFont preferredFontForTextStyle:UIFontTextStyleCaption1]}];
+
         [photos addObject:photo];
     }
 
@@ -80,15 +110,15 @@ + (NSArray *)newTestPhotos {
 #pragma mark - NYTPhotosViewControllerDelegate
 
 - (UIView *)photosViewController:(NYTPhotosViewController *)photosViewController referenceViewForPhoto:(id <NYTPhoto>)photo {
-    if ([photo isEqual:self.photos[NYTViewControllerNoReferenceViewPhotoIndex]]) {
+    if ([photo isEqual:self.photos[NYTViewControllerPhotoIndexNoReferenceView]]) {
         return nil;
     }
 
     return self.imageButton;
 }
 
 - (UIView *)photosViewController:(NYTPhotosViewController *)photosViewController loadingViewForPhoto:(id <NYTPhoto>)photo {
-    if ([photo isEqual:self.photos[NYTViewControllerCustomEverythingPhotoIndex]]) {
+    if ([photo isEqual:self.photos[NYTViewControllerPhotoIndexCustomEverything]]) {
         UILabel *loadingLabel = [[UILabel alloc] init];
         loadingLabel.text = @"Custom Loading...";
         loadingLabel.textColor = [UIColor greenColor];
@@ -99,7 +129,7 @@ - (UIView *)photosViewController:(NYTPhotosViewController *)photosViewController
 }
 
 - (UIView *)photosViewController:(NYTPhotosViewController *)photosViewController captionViewForPhoto:(id <NYTPhoto>)photo {
-    if ([photo isEqual:self.photos[NYTViewControllerCustomEverythingPhotoIndex]]) {
+    if ([photo isEqual:self.photos[NYTViewControllerPhotoIndexCustomEverything]]) {
         UILabel *label = [[UILabel alloc] init];
         label.text = @"Custom Caption View";
         label.textColor = [UIColor whiteColor];
@@ -111,15 +141,15 @@ - (UIView *)photosViewController:(NYTPhotosViewController *)photosViewController
 }
 
 - (CGFloat)photosViewController:(NYTPhotosViewController *)photosViewController maximumZoomScaleForPhoto:(id <NYTPhoto>)photo {
-    if ([photo isEqual:self.photos[NYTViewControllerCustomMaxZoomScalePhotoIndex]]) {
+    if ([photo isEqual:self.photos[NYTViewControllerPhotoIndexCustomMaxZoomScale]]) {
         return 10.0f;
     }
 
     return 1.0f;
 }
 
 - (NSDictionary *)photosViewController:(NYTPhotosViewController *)photosViewController overlayTitleTextAttributesForPhoto:(id <NYTPhoto>)photo {
-    if ([photo isEqual:self.photos[NYTViewControllerCustomEverythingPhotoIndex]]) {
+    if ([photo isEqual:self.photos[NYTViewControllerPhotoIndexCustomEverything]]) {
         return @{NSForegroundColorAttributeName: [UIColor grayColor]};
     }
 

Example/Podfile.lock

@@ -1,7 +1,7 @@
 PODS:
-  - FLAnimatedImage (1.0.8)
+  - FLAnimatedImage (1.0.10)
   - NYTPhotoViewer/AnimatedGifSupport (0.1.2):
-    - FLAnimatedImage (= 1.0.8)
+    - FLAnimatedImage (~> 1.0.8)
     - NYTPhotoViewer/Core
   - NYTPhotoViewer/Core (0.1.2)
   - OCMock (3.2)
@@ -15,8 +15,8 @@ EXTERNAL SOURCES:
     :path: "../"
 
 SPEC CHECKSUMS:
-  FLAnimatedImage: f9422f796135aff80d8c00b2afc48015bb746e24
-  NYTPhotoViewer: e348bfa437398deb67a88b7928e85168ac38b5df
+  FLAnimatedImage: e16a1e1cef08e4c509b47e4acbe3923f65c16135
+  NYTPhotoViewer: 06876beb4c9bc6f10a59eb8b898c480fd89f7c51
   OCMock: 28def049ef47f996b515a8eeea958be7ccab2dbb
 
 COCOAPODS: 0.39.0