Revision: 14726
          http://sourceforge.net/p/skim-app/code/14726
Author:   hofman
Date:     2024-11-18 16:50:36 +0000 (Mon, 18 Nov 2024)
Log Message:
-----------
Don't update persistent data for downloads when nothing has changed

Modified Paths:
--------------
    trunk/SKDownloadController.h
    trunk/SKDownloadController.m

Modified: trunk/SKDownloadController.h
===================================================================
--- trunk/SKDownloadController.h        2024-11-18 15:41:55 UTC (rev 14725)
+++ trunk/SKDownloadController.h        2024-11-18 16:50:36 UTC (rev 14726)
@@ -55,6 +55,7 @@
     NSURLSession *session;
     NSMapTable<NSURLSessionTask *, SKDownload *> *downloadsForTasks;
     NSMutableDictionary<NSString *, NSCustomTouchBarItem *> *touchBarItems;
+    BOOL needsSaving;
 }
 
 @property (nonatomic, nullable, strong) IBOutlet SKTableView *tableView;

Modified: trunk/SKDownloadController.m
===================================================================
--- trunk/SKDownloadController.m        2024-11-18 15:41:55 UTC (rev 14725)
+++ trunk/SKDownloadController.m        2024-11-18 16:50:36 UTC (rev 14726)
@@ -149,9 +149,11 @@
 }
 
 - (void)handleApplicationWillTerminateNotification:(NSNotification 
*)notification  {
-    [downloads makeObjectsPerformSelector:@selector(cancel) withObject:nil];
-    NSDictionary *downloadsDictionary = @{DOWNLOADS_KEY:[downloads 
valueForKey:@"properties"]};
-    [[NSUserDefaults standardUserDefaults] 
setPersistentDomain:downloadsDictionary forName:SKDownloadsIdentifier];
+    if (needsSaving) {
+        [downloads makeObjectsPerformSelector:@selector(cancel) 
withObject:nil];
+        NSDictionary *downloadsDictionary = @{DOWNLOADS_KEY:[downloads 
valueForKey:@"properties"]};
+        [[NSUserDefaults standardUserDefaults] 
setPersistentDomain:downloadsDictionary forName:SKDownloadsIdentifier];
+    }
 }
 
 - (void)updateClearButton {
@@ -219,6 +221,8 @@
     [download start];
     
     [self updateClearButton];
+    
+    needsSaving = YES;
 }
 
 - (void)removeDownloadsAtIndexes:(NSIndexSet *)indexes {
@@ -236,6 +240,8 @@
     [tableView endUpdates];
     
     [self updateClearButton];
+    
+    needsSaving = YES;
 }
 
 #pragma mark Adding/Removing Downloads
@@ -511,6 +517,7 @@
                         [[QLPreviewPanel sharedPreviewPanel] reloadData];
                 }
             }
+            needsSaving = YES;
         }
     } else {
         [super observeValueForKeyPath:keyPath ofObject:object change:change 
context:context];

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