Merge pull request #1096 from facebook/pr/1059

[tvOS] Initial changes to support building AsyncDisplayKit for tvOS.

Author: appleguy

AsyncDisplayKit.podspec

@@ -47,4 +47,5 @@ Pod::Spec.new do |spec|
   }
 
   spec.ios.deployment_target = '7.0'
+  spec.tvos.deployment_target = '9.0'
 end

AsyncDisplayKit/ASDisplayNode.h

@@ -641,7 +641,9 @@ NS_ASSUME_NONNULL_END
 @property (atomic, assign)           UIViewContentMode contentMode;         // default=UIViewContentModeScaleToFill
 
 @property (atomic, assign, getter=isUserInteractionEnabled) BOOL userInteractionEnabled; // default=YES (NO for layer-backed nodes)
+#if TARGET_OS_IOS
 @property (atomic, assign, getter=isExclusiveTouch) BOOL exclusiveTouch;    // default=NO
+#endif
 @property (atomic, assign, nullable) CGColorRef shadowColor;                // default=opaque rgb black
 @property (atomic, assign)           CGFloat shadowOpacity;                 // default=0.0
 @property (atomic, assign)           CGSize shadowOffset;                   // default=(0, -3)
@@ -658,6 +660,16 @@ NS_ASSUME_NONNULL_END
 - (BOOL)isFirstResponder;
 - (BOOL)canPerformAction:(nonnull SEL)action withSender:(nonnull id)sender;
 
+#if TARGET_OS_TV
+//Focus Engine
+- (void)setNeedsFocusUpdate;
+- (BOOL)canBecomeFocused;
+- (void)updateFocusIfNeeded;
+- (void)didUpdateFocusInContext:(nonnull UIFocusUpdateContext *)context withAnimationCoordinator:(nonnull UIFocusAnimationCoordinator *)coordinator;
+- (BOOL)shouldUpdateFocusInContext:(nonnull UIFocusUpdateContext *)context;
+- (nullable UIView *)preferredFocusedView;
+#endif
+
 // Accessibility support
 @property (atomic, assign)           BOOL isAccessibilityElement;
 @property (nullable, atomic, copy)   NSString *accessibilityLabel;

AsyncDisplayKit/ASDisplayNode.mm

@@ -2312,6 +2312,38 @@ - (void)_enqueueAsyncSizingWithSentinel:(ASSentinel *)sentinel completion:(void(
   return self;
 }
 
+#if TARGET_OS_TV
+#pragma mark - UIFocusEnvironment Protocol (tvOS)
+
+- (void)setNeedsFocusUpdate
+{
+  
+}
+
+- (void)updateFocusIfNeeded
+{
+  
+}
+
+- (BOOL)shouldUpdateFocusInContext:(UIFocusUpdateContext *)context
+{
+  return YES;
+}
+
+- (void)didUpdateFocusInContext:(UIFocusUpdateContext *)context withAnimationCoordinator:(UIFocusAnimationCoordinator *)coordinator
+{
+  
+}
+
+- (UIView *)preferredFocusedView
+{
+  if (self.nodeLoaded) {
+    return self.view;
+  } else {
+    return nil;
+  }
+}
+#endif
 @end
 
 @implementation ASDisplayNode (Debugging)

AsyncDisplayKit/ASEditableTextNode.mm

@@ -163,7 +163,9 @@ - (void)didLoad
   _textKitComponents.textView = self.textView;
   //_textKitComponents.textView = NO; // Unfortunately there's a bug here with iOS 7 DP5 that causes the text-view to only be one line high when scrollEnabled is NO. rdar://14729288
   _textKitComponents.textView.delegate = self;
+  #if TARGET_OS_IOS
   _textKitComponents.textView.editable = YES;
+  #endif
   _textKitComponents.textView.typingAttributes = _typingAttributes;
   _textKitComponents.textView.returnKeyType = _returnKeyType;
   _textKitComponents.textView.accessibilityHint = _placeholderTextKitComponents.textStorage.string;

AsyncDisplayKit/ASMapNode.h

@@ -7,6 +7,7 @@
  */
 
 #import <AsyncDisplayKit/ASImageNode.h>
+#if TARGET_OS_IOS
 #import <MapKit/MapKit.h>
 
 NS_ASSUME_NONNULL_BEGIN
@@ -48,3 +49,5 @@ NS_ASSUME_NONNULL_BEGIN
 @end
 
 NS_ASSUME_NONNULL_END
+
+#endif

AsyncDisplayKit/ASMapNode.mm

@@ -6,6 +6,7 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  */
 
+#if TARGET_OS_IOS
 #import "ASMapNode.h"
 #import <AsyncDisplayKit/ASDisplayNode+Subclasses.h>
 #import <AsyncDisplayKit/ASDisplayNodeExtras.h>
@@ -246,4 +247,5 @@ - (void)layout
     }
   }
 }
-@end
+@end
+#endif

AsyncDisplayKit/ASMultiplexImageNode.h

@@ -6,9 +6,10 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  */
 
+#if TARGET_OS_IOS
+
 #import <AsyncDisplayKit/ASImageNode.h>
 #import <AsyncDisplayKit/ASImageProtocols.h>
-
 #import <Photos/Photos.h>
 
 NS_ASSUME_NONNULL_BEGIN
@@ -116,13 +117,14 @@ typedef NS_ENUM(NSUInteger, ASMultiplexImageNodeErrorCode) {
  */
 @property (nullable, nonatomic, readonly) ASImageIdentifier displayedImageIdentifier;
 
+#if TARGET_OS_IOS
 /**
  * @abstract The image manager that this image node should use when requesting images from the Photos framework. If this is `nil` (the default), then `PHImageManager.defaultManager` is used.
  
  * @see `+[NSURL URLWithAssetLocalIdentifier:targetSize:contentMode:options:]` below.
  */
 @property (nonatomic, strong) PHImageManager *imageManager;
-
+#endif
 @end
 
 
@@ -229,6 +231,7 @@ didFinishDownloadingImageWithIdentifier:(ASImageIdentifier)imageIdentifier
  */
 - (nullable NSURL *)multiplexImageNode:(ASMultiplexImageNode *)imageNode URLForImageIdentifier:(ASImageIdentifier)imageIdentifier;
 
+#if TARGET_OS_IOS
 /**
  * @abstract A PHAsset for the specific asset local identifier
  * @param imageNode The sender.
@@ -240,11 +243,11 @@ didFinishDownloadingImageWithIdentifier:(ASImageIdentifier)imageIdentifier
  * @return A PHAsset corresponding to `assetLocalIdentifier`, or nil if none is available.
  */
 - (nullable PHAsset *)multiplexImageNode:(ASMultiplexImageNode *)imageNode assetForLocalIdentifier:(NSString *)assetLocalIdentifier;
-
+#endif
 @end
 
 #pragma mark - 
-
+#if TARGET_OS_IOS
 @interface NSURL (ASPhotosFrameworkURLs)
 
 /**
@@ -261,5 +264,8 @@ didFinishDownloadingImageWithIdentifier:(ASImageIdentifier)imageIdentifier
                                options:(PHImageRequestOptions *)options;
 
 @end
+#endif
+
+NS_ASSUME_NONNULL_END
 
-NS_ASSUME_NONNULL_END
+#endif

AsyncDisplayKit/ASMultiplexImageNode.mm

@@ -6,12 +6,12 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  */
 
-#import "ASMultiplexImageNode.h"
+#if TARGET_OS_IOS
 
+#import "ASMultiplexImageNode.h"
 #import <AssetsLibrary/AssetsLibrary.h>
 
 #import <Photos/Photos.h>
-
 #import <libkern/OSAtomic.h>
 
 #import "ASAvailability.h"
@@ -112,6 +112,7 @@ - (void)_loadNextImage;
  */
 - (void)_fetchImageWithIdentifierFromCache:(id)imageIdentifier URL:(NSURL *)imageURL completion:(void (^)(UIImage *image))completionBlock;
 
+#if TARGET_OS_IOS
 /**
   @abstract Loads the image corresponding to the given assetURL from the device's Assets Library.
   @param imageIdentifier The identifier for the image to be loaded. May not be nil.
@@ -131,7 +132,7 @@ - (void)_loadALAssetWithIdentifier:(id)imageIdentifier URL:(NSURL *)assetURL com
     @param error An error describing why the load failed, if it failed; nil otherwise.
  */
 - (void)_loadPHAssetWithRequest:(ASPhotosFrameworkImageRequest *)request identifier:(id)imageIdentifier completion:(void (^)(UIImage *image, NSError *error))completionBlock;
-
+#endif
 /**
  @abstract Downloads the image corresponding to the given imageIdentifier from the given URL.
  @param imageIdentifier The identifier for the image to be downloaded. May not be nil.
@@ -262,7 +263,9 @@ - (void)setDataSource:(id <ASMultiplexImageNodeDataSource>)dataSource
   _dataSource = dataSource;
   _dataSourceFlags.image = [_dataSource respondsToSelector:@selector(multiplexImageNode:imageForImageIdentifier:)];
   _dataSourceFlags.URL = [_dataSource respondsToSelector:@selector(multiplexImageNode:URLForImageIdentifier:)];
+  #if TARGET_OS_IOS
   _dataSourceFlags.asset = [_dataSource respondsToSelector:@selector(multiplexImageNode:assetForLocalIdentifier:)];
+  #endif
 }
 
 #pragma mark -
@@ -455,6 +458,7 @@ - (void)_loadNextImage
     return;
   }
 
+  #if TARGET_OS_IOS
   // If it's an assets-library URL, we need to fetch it from the assets library.
   if ([[nextImageURL scheme] isEqualToString:kAssetsLibraryURLScheme]) {
     // Load the asset.
@@ -470,6 +474,7 @@ - (void)_loadNextImage
       finishedLoadingBlock(image, nextImageIdentifier, error);
     }];
   }
+  #endif
   else // Otherwise, it's a web URL that we can download.
   {
     // First, check the cache.
@@ -499,7 +504,7 @@ - (void)_loadNextImage
     }];
   }
 }
-
+#if TARGET_OS_IOS
 - (void)_loadALAssetWithIdentifier:(id)imageIdentifier URL:(NSURL *)assetURL completion:(void (^)(UIImage *image, NSError *error))completionBlock
 {
   ASDisplayNodeAssertNotNil(imageIdentifier, @"imageIdentifier is required");
@@ -609,7 +614,7 @@ - (void)_loadPHAssetWithRequest:(ASPhotosFrameworkImageRequest *)request identif
   _phImageRequestOperation = newImageRequestOp;
   [phImageRequestQueue addOperation:newImageRequestOp];
 }
-
+#endif
 - (void)_fetchImageWithIdentifierFromCache:(id)imageIdentifier URL:(NSURL *)imageURL completion:(void (^)(UIImage *image))completionBlock
 {
   ASDisplayNodeAssertNotNil(imageIdentifier, @"imageIdentifier is required");
@@ -708,7 +713,7 @@ - (BOOL)_shouldClearFetchedImageData {
 }
 
 @end
-
+#if TARGET_OS_IOS
 @implementation NSURL (ASPhotosFrameworkURLs)
 
 + (NSURL *)URLWithAssetLocalIdentifier:(NSString *)assetLocalIdentifier targetSize:(CGSize)targetSize contentMode:(PHImageContentMode)contentMode options:(PHImageRequestOptions *)options
@@ -720,4 +725,7 @@ + (NSURL *)URLWithAssetLocalIdentifier:(NSString *)assetLocalIdentifier targetSi
   return request.url;
 }
 
-@end
+@end
+#endif
+
+#endif

AsyncDisplayKit/ASPagerNode.m

@@ -48,12 +48,13 @@ - (void)didLoad
   [super didLoad];
 
   ASCollectionView *cv = self.view;
-  
+#if TARGET_OS_IOS
   cv.pagingEnabled = YES;
+  cv.scrollsToTop = NO;
+#endif
   cv.allowsSelection = NO;
   cv.showsVerticalScrollIndicator = NO;
   cv.showsHorizontalScrollIndicator = NO;
-  cv.scrollsToTop = NO;
 
   // Zeroing contentInset is important, as UIKit will set the top inset for the navigation bar even though
   // our view is only horizontally scrollable.  This causes UICollectionViewFlowLayout to log a warning.

AsyncDisplayKit/ASTableViewProtocols.h

@@ -73,8 +73,9 @@ NS_ASSUME_NONNULL_BEGIN
 
 - (UITableViewCellEditingStyle)tableView:(UITableView *)tableView editingStyleForRowAtIndexPath:(NSIndexPath *)indexPath;
 - (nullable NSString *)tableView:(UITableView *)tableView titleForDeleteConfirmationButtonForRowAtIndexPath:(NSIndexPath *)indexPath;
+#if TARGET_OS_IOS
 - (nullable NSArray<UITableViewRowAction *> *)tableView:(UITableView *)tableView editActionsForRowAtIndexPath:(NSIndexPath *)indexPath;
-
+#endif
 - (BOOL)tableView:(UITableView *)tableView shouldIndentWhileEditingRowAtIndexPath:(NSIndexPath *)indexPath;
 
 - (void)tableView:(UITableView*)tableView willBeginEditingRowAtIndexPath:(NSIndexPath *)indexPath;