MacGui: use the KVO constants.

diff --git a/macosx/HBSummaryViewController.m b/macosx/HBSummaryViewController.m
index 36b9d24121bea6f24f9f5a88a1f0e28941d9999e..381779ebc8de0ad9f71b3f0fa127348f2c56d08b 100644 (file)
--- a/macosx/HBSummaryViewController.m
+++ b/macosx/HBSummaryViewController.m
@@ -100,24 +100,24 @@ static void *HBSummaryViewControllerContext = &HBSummaryViewControllerContext;
     {
         if ([keyPath isEqualToString:@"audio.tracks"])
         {
-            if ([change[@"kind"] integerValue] == NSKeyValueChangeInsertion)
+            if ([change[NSKeyValueChangeKindKey] integerValue] == NSKeyValueChangeInsertion)
             {
-                [self addAudioTracksObservers:change[@"new"]];
+                [self addAudioTracksObservers:change[NSKeyValueChangeNewKey]];
             }
-            else if ([change[@"kind"] integerValue]== NSKeyValueChangeRemoval)
+            else if ([change[NSKeyValueChangeKindKey] integerValue]== NSKeyValueChangeRemoval)
             {
-                [self removeAudioTracksObservers:change[@"old"]];
+                [self removeAudioTracksObservers:change[NSKeyValueChangeOldKey]];
             }
         }
         else if ([keyPath isEqualToString:@"subtitles.tracks"])
         {
-            if ([change[@"kind"] integerValue] == NSKeyValueChangeInsertion)
+            if ([change[NSKeyValueChangeKindKey] integerValue] == NSKeyValueChangeInsertion)
             {
-                [self addSubtitlesTracksObservers:change[@"new"]];
+                [self addSubtitlesTracksObservers:change[NSKeyValueChangeNewKey]];
             }
-            else if ([change[@"kind"] integerValue]== NSKeyValueChangeRemoval)
+            else if ([change[NSKeyValueChangeKindKey] integerValue]== NSKeyValueChangeRemoval)
             {
-                [self removeSubtitlesTracksObservers:change[@"old"]];
+                [self removeSubtitlesTracksObservers:change[NSKeyValueChangeOldKey]];
             }
         }
         else if ([keyPath isEqualToString:@"container"] && change[NSKeyValueChangeNewKey] && NSAppKitVersionNumber >= NSAppKitVersionNumber10_10)