Add cache property; Make playerItemForSource in 'RCTVideoManager.m' async

Video.js

@@ -247,6 +247,7 @@ export default class Video extends Component {
 Video.propTypes = {
   /* Native only */
   src: PropTypes.object,
+  cache: PropTypes.bool,
   seek: PropTypes.number,
   fullscreen: PropTypes.bool,
   onVideoLoadStart: PropTypes.func,

ios/RCTVideo.m

@@ -266,11 +266,23 @@ static NSString *const timedMetadata = @"timedMetadata";
 
 #pragma mark - Player and source
 
+- (void)setCache:(BOOL *)cache
+{
+  // @TODO: Implement
+}
+
 - (void)setSrc:(NSDictionary *)source
 {
   [self removePlayerTimeObserver];
   [self removePlayerItemObservers];
-  _playerItem = [self playerItemForSource:source];
+  [self playerItemForSource:source withCallback:^(AVPlayerItem * playerItem) {
+    [self didSetPlayerItemWithSource:source playerItem:playerItem];
+  }];
+}
+
+- (void) didSetPlayerItemWithSource:(NSDictionary *)source playerItem:(AVPlayerItem *) playerItem
+{
+  _playerItem = playerItem;
   [self addPlayerItemObservers];
   
   [_player pause];
@@ -312,7 +324,7 @@ static NSString *const timedMetadata = @"timedMetadata";
   });
 }
 
-- (AVPlayerItem*)playerItemForSource:(NSDictionary *)source
+- (void)playerItemForSource:(NSDictionary *)source withCallback:(void(^)(AVPlayerItem *))handler
 {
   bool isNetwork = [RCTConvert BOOL:[source objectForKey:@"isNetwork"]];
   bool isAsset = [RCTConvert BOOL:[source objectForKey:@"isAsset"]];
@@ -324,16 +336,19 @@ static NSString *const timedMetadata = @"timedMetadata";
   [[NSURL alloc] initFileURLWithPath:[[NSBundle mainBundle] pathForResource:uri ofType:type]];
   
   if (isNetwork) {
+    // @TODO: Check if item is cached an if so use the cached asset
     NSArray *cookies = [[NSHTTPCookieStorage sharedHTTPCookieStorage] cookies];
     AVURLAsset *asset = [AVURLAsset URLAssetWithURL:url options:@{AVURLAssetHTTPCookiesKey : cookies}];
-    return [AVPlayerItem playerItemWithAsset:asset];
+    handler([AVPlayerItem playerItemWithAsset:asset]);
+    return;
   }
   else if (isAsset) {
     AVURLAsset *asset = [AVURLAsset URLAssetWithURL:url options:nil];
-    return [AVPlayerItem playerItemWithAsset:asset];
+    handler([AVPlayerItem playerItemWithAsset:asset]);
+    return;
   }
-
+  handler([AVPlayerItem playerItemWithURL:url]);
-  return [AVPlayerItem playerItemWithURL:url];
+  return;
 }
 
 - (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context

ios/RCTVideoManager.m

@@ -20,6 +20,7 @@ RCT_EXPORT_MODULE();
 }
 
 RCT_EXPORT_VIEW_PROPERTY(src, NSDictionary);
+RCT_EXPORT_VIEW_PROPERTY(cache, BOOL);
 RCT_EXPORT_VIEW_PROPERTY(resizeMode, NSString);
 RCT_EXPORT_VIEW_PROPERTY(repeat, BOOL);
 RCT_EXPORT_VIEW_PROPERTY(paused, BOOL);