[macOS] Apply ObjC modernizations once again.

macosx/AddMagnetWindowController.mm

@@ -75,7 +75,7 @@ - (void)awakeFromNib
     self.fNameField.toolTip = name;
 
     //disable fullscreen support
-    [self.window setCollectionBehavior:NSWindowCollectionBehaviorFullScreenNone];
+    self.window.collectionBehavior = NSWindowCollectionBehaviorFullScreenNone;
 
     [self setGroupsMenu];
     [self.fGroupPopUp selectItemWithTag:self.fGroupValue];

macosx/AddWindowController.mm

@@ -107,7 +107,7 @@ - (void)awakeFromNib
     self.fNameField.toolTip = name;
 
     //disable fullscreen support
-    [self.window setCollectionBehavior:NSWindowCollectionBehaviorFullScreenNone];
+    self.window.collectionBehavior = NSWindowCollectionBehaviorFullScreenNone;
 
     self.fIconView.image = self.torrent.icon;
 
@@ -233,7 +233,7 @@ - (void)add:(id)sender
         [alert addButtonWithTitle:NSLocalizedString(@"Add", "Add torrent -> same name -> button")];
         alert.showsSuppressionButton = YES;
 
-        [alert beginSheetModalForWindow:[self window] completionHandler:^(NSModalResponse returnCode) {
+        [alert beginSheetModalForWindow:self.window completionHandler:^(NSModalResponse returnCode) {
             if (alert.suppressionButton.state == NSControlStateValueOn)
             {
                 [NSUserDefaults.standardUserDefaults setBool:NO forKey:@"WarningFolderDataSameName"];

macosx/BlocklistDownloader.mm

@@ -249,7 +249,7 @@ - (BOOL)untarFrom:(NSURL*)file to:(NSURL*)destination
         return NO;
     }
 
-    NSURL* destinationDir = [destination URLByDeletingLastPathComponent];
+    NSURL* destinationDir = destination.URLByDeletingLastPathComponent;
 
     NSTask* untar = [[NSTask alloc] init];
     untar.launchPath = @"/usr/bin/tar";
@@ -279,7 +279,7 @@ - (BOOL)untarFrom:(NSURL*)file to:(NSURL*)destination
 
 - (BOOL)gunzipFrom:(NSURL*)file to:(NSURL*)destination
 {
-    NSURL* destinationDir = [destination URLByDeletingLastPathComponent];
+    NSURL* destinationDir = destination.URLByDeletingLastPathComponent;
 
     NSTask* gunzip = [[NSTask alloc] init];
     gunzip.launchPath = @"/usr/bin/gunzip";
@@ -301,7 +301,7 @@ - (BOOL)gunzipFrom:(NSURL*)file to:(NSURL*)destination
         return NO;
     }
 
-    NSURL* result = [file URLByDeletingPathExtension];
+    NSURL* result = file.URLByDeletingPathExtension;
 
     [NSFileManager.defaultManager moveItemAtURL:result toURL:destination error:nil];
     return YES;
@@ -348,7 +348,7 @@ - (BOOL)unzipFrom:(NSURL*)file to:(NSURL*)destination
         return NO;
     }
 
-    NSURL* destinationDir = [destination URLByDeletingLastPathComponent];
+    NSURL* destinationDir = destination.URLByDeletingLastPathComponent;
 
     NSTask* unzip = [[NSTask alloc] init];
     unzip.launchPath = @"/usr/bin/unzip";

macosx/BlocklistDownloaderViewController.mm

@@ -133,7 +133,7 @@ - (void)startDownload
     [NSBundle.mainBundle loadNibNamed:@"BlocklistStatusWindow" owner:self topLevelObjects:NULL];
 
     BlocklistDownloader* downloader = [BlocklistDownloader downloader];
-    [downloader setViewController:self]; //do before showing the sheet to ensure it doesn't slide out with placeholder text
+    downloader.viewController = self; //do before showing the sheet to ensure it doesn't slide out with placeholder text
 
     [self.fPrefsController.window beginSheet:self.fStatusWindow completionHandler:nil];
 }

macosx/Controller.h

@@ -168,7 +168,7 @@ typedef NS_ENUM(unsigned int, addType) { //
 @property(nonatomic, readonly) CGFloat toolbarHeight;
 @property(nonatomic, readonly) CGFloat mainWindowComponentHeight;
 @property(nonatomic, readonly) CGFloat scrollViewHeight;
-- (BOOL)isFullScreen;
+@property(nonatomic, getter=isFullScreen, readonly) BOOL fullScreen;
 
 - (void)updateForExpandCollapse;
 

macosx/Controller.mm

@@ -122,7 +122,7 @@ typedef NS_ENUM(unsigned int, sortOrderTag) { //
 
 static void altSpeedToggledCallback([[maybe_unused]] tr_session* handle, bool active, bool byUser, void* controller)
 {
-    NSDictionary* dict = [[NSDictionary alloc] initWithObjects:@[ @(active), @(byUser) ] forKeys:@[ @"Active", @"ByUser" ]];
+    NSDictionary* dict = @{@"Active" : @(active), @"ByUser" : @(byUser)};
     [(__bridge Controller*)controller performSelectorOnMainThread:@selector(altSpeedToggledCallbackIsLimited:) withObject:dict
                                                     waitUntilDone:NO];
 }
@@ -512,7 +512,7 @@ - (instancetype)init
         _fLib = tr_sessionInit(configDir, YES, &settings);
         tr_variantFree(&settings);
 
-        _fConfigDirectory = [[NSString alloc] initWithUTF8String:configDir];
+        _fConfigDirectory = @(configDir);
 
         NSApp.delegate = self;
 
@@ -569,7 +569,7 @@ - (void)awakeFromNib
     self.fWindow.excludedFromWindowsMenu = YES;
 
     //make window primary view in fullscreen
-    [self.fWindow setCollectionBehavior:NSWindowCollectionBehaviorFullScreenPrimary];
+    self.fWindow.collectionBehavior = NSWindowCollectionBehaviorFullScreenPrimary;
 
     //set table size
     BOOL const small = [self.fDefaults boolForKey:@"SmallView"];
@@ -1021,7 +1021,7 @@ - (void)download:(NSURLDownload*)download decideDestinationWithSuggestedFilename
         NSString* message = [NSString
             stringWithFormat:NSLocalizedString(@"It appears that the file \"%@\" from %@ is not a torrent file.", "Download not a torrent -> message"),
                              suggestedName,
-                             [download.request.URL.absoluteString stringByRemovingPercentEncoding]];
+                             download.request.URL.absoluteString.stringByRemovingPercentEncoding];
 
         NSAlert* alert = [[NSAlert alloc] init];
         [alert addButtonWithTitle:NSLocalizedString(@"OK", "Download not a torrent -> button")];
@@ -1046,7 +1046,7 @@ - (void)download:(NSURLDownload*)download didFailWithError:(NSError*)error
 {
     NSString* message = [NSString
         stringWithFormat:NSLocalizedString(@"The torrent could not be downloaded from %@: %@.", "Torrent download failed -> message"),
-                         [download.request.URL.absoluteString stringByRemovingPercentEncoding],
+                         download.request.URL.absoluteString.stringByRemovingPercentEncoding,
                          error.localizedDescription];
 
     NSAlert* alert = [[NSAlert alloc] init];
@@ -1351,7 +1351,7 @@ - (void)openFilesWithDict:(NSDictionary*)dictionary
 //called on by applescript
 - (void)open:(NSArray*)files
 {
-    NSDictionary* dict = [[NSDictionary alloc] initWithObjects:@[ files, @(ADD_MANUAL) ] forKeys:@[ @"Filenames", @"AddType" ]];
+    NSDictionary* dict = @{ @"Filenames" : files, @"AddType" : @(ADD_MANUAL) };
     [self performSelectorOnMainThread:@selector(openFilesWithDict:) withObject:dict waitUntilDone:NO];
 }
 
@@ -1374,9 +1374,10 @@ - (void)openShowSheet:(id)sender
                 [filenames addObject:url.path];
             }
 
-            NSDictionary* dictionary = [[NSDictionary alloc]
-                initWithObjects:@[ filenames, sender == self.fOpenIgnoreDownloadFolder ? @(ADD_SHOW_OPTIONS) : @(ADD_MANUAL) ]
-                        forKeys:@[ @"Filenames", @"AddType" ]];
+            NSDictionary* dictionary = @{
+                @"Filenames" : filenames,
+                @"AddType" : sender == self.fOpenIgnoreDownloadFolder ? @(ADD_SHOW_OPTIONS) : @(ADD_MANUAL)
+            };
             [self performSelectorOnMainThread:@selector(openFilesWithDict:) withObject:dictionary waitUntilDone:NO];
         }
     }];
@@ -1552,7 +1553,7 @@ - (void)openURLShowSheet:(id)sender
         [self.fWindow beginSheet:self.fUrlSheetController.window completionHandler:^(NSModalResponse returnCode) {
             if (returnCode == 1)
             {
-                NSString* urlString = [self.fUrlSheetController urlString];
+                NSString* urlString = self.fUrlSheetController.urlString;
                 urlString = [urlString stringByTrimmingCharactersInSet:NSCharacterSet.whitespaceAndNewlineCharacterSet];
                 dispatch_async(dispatch_get_main_queue(), ^{
                     [self openURL:urlString];

macosx/CreatorWindowController.mm

@@ -141,7 +141,7 @@ - (instancetype)initWithHandle:(tr_session*)handle path:(NSURL*)path
         //remove potentially invalid addresses
         for (NSInteger i = _fTrackers.count - 1; i >= 0; i--)
         {
-            if (!tr_urlIsValidTracker([_fTrackers[i] UTF8String]))
+            if (!tr_urlIsValidTracker(_fTrackers[i].UTF8String))
             {
                 [_fTrackers removeObjectAtIndex:i];
             }
@@ -161,7 +161,7 @@ - (void)awakeFromNib
     self.window.title = name;
 
     //disable fullscreen support
-    [self.window setCollectionBehavior:NSWindowCollectionBehaviorFullScreenNone];
+    self.window.collectionBehavior = NSWindowCollectionBehaviorFullScreenNone;
 
     self.fNameField.stringValue = name;
     self.fNameField.toolTip = self.fPath.path;
@@ -191,7 +191,7 @@ - (void)awakeFromNib
     self.fStatusField.stringValue = statusString;
 
     [self updatePiecesField];
-    [self.fPieceSizeStepper setIntValue:(int)log2((double)self.fInfo->pieceSize)];
+    self.fPieceSizeStepper.intValue = (int)log2((double)self.fInfo->pieceSize);
 
     self.fLocation = [[self.fDefaults URLForKey:@"CreatorLocationURL"]
         URLByAppendingPathComponent:[name stringByAppendingPathExtension:@"torrent"]];
@@ -601,14 +601,14 @@ - (void)createReal
 
     for (NSUInteger i = 0; i < self.fTrackers.count; i++)
     {
-        trackerInfo[i].announce = (char*)[self.fTrackers[i] UTF8String];
+        trackerInfo[i].announce = (char*)(self.fTrackers[i]).UTF8String;
         trackerInfo[i].tier = i;
     }
 
     //store values
     [self.fDefaults setObject:self.fTrackers forKey:@"CreatorTrackers"];
     [self.fDefaults setBool:self.fPrivateCheck.state == NSControlStateValueOn forKey:@"CreatorPrivate"];
-    [self.fDefaults setObject:[self.fSource stringValue] forKey:@"CreatorSource"];
+    [self.fDefaults setObject:self.fSource.stringValue forKey:@"CreatorSource"];
     [self.fDefaults setBool:self.fOpenCheck.state == NSControlStateValueOn forKey:@"CreatorOpen"];
     self.fOpenWhenCreated = self.fOpenCheck.state ==
         NSControlStateValueOn; //need this since the check box might not exist, and value in prefs might have changed from another creator window

macosx/MessageWindowController.mm

@@ -67,7 +67,7 @@ - (void)awakeFromNib
     self.window.title = NSLocalizedString(@"Message Log", "Message window -> title");
 
     //disable fullscreen support
-    [window setCollectionBehavior:NSWindowCollectionBehaviorFullScreenNone];
+    window.collectionBehavior = NSWindowCollectionBehaviorFullScreenNone;
 
     //set images and text for popup button items
     [self.fLevelButton itemAtIndex:LEVEL_ERROR].title = NSLocalizedString(@"Error", "Message window -> level string");

macosx/NSImageAdditions.mm

@@ -21,7 +21,7 @@ + (NSImage*)discIconWithColor:(NSColor*)color insetFactor:(CGFloat)insetFactor
         bp.lineWidth = BORDER_WIDTH;
 
         //border
-        CGFloat fractionOfBlendedColor = [NSApp isDarkMode] ? 0.15 : 0.3;
+        CGFloat fractionOfBlendedColor = NSApp.darkMode ? 0.15 : 0.3;
         NSColor* borderColor = [color blendedColorWithFraction:fractionOfBlendedColor ofColor:NSColor.controlTextColor];
         [borderColor setStroke];
         [bp stroke];

macosx/NSStringAdditions.h

@@ -7,7 +7,7 @@
 @interface NSString (NSStringAdditions)
 
 @property(nonatomic, class, readonly) NSString* ellipsis;
-- (NSString*)stringByAppendingEllipsis;
+@property(nonatomic, readonly, copy) NSString* stringByAppendingEllipsis;
 
 + (NSString*)formattedUInteger:(NSUInteger)value;
 

macosx/PiecesView.mm

@@ -51,7 +51,7 @@ - (void)awakeFromNib
 
 - (void)viewDidChangeEffectiveAppearance
 {
-    [self setTorrent:_torrent];
+    self.torrent = _torrent;
     [self updateView];
 }
 
@@ -122,7 +122,7 @@ - (void)updateView
     NSRect fillRects[self.fNumPieces];
     NSColor* fillColors[self.fNumPieces];
 
-    NSColor* defaultColor = [NSApp isDarkMode] ? NSColor.blackColor : NSColor.whiteColor;
+    NSColor* defaultColor = NSApp.darkMode ? NSColor.blackColor : NSColor.whiteColor;
 
     NSInteger usedCount = 0;
 

macosx/PrefsController.mm

@@ -199,7 +199,7 @@ - (void)awakeFromNib
     self.window.restorationClass = [self class];
 
     //disable fullscreen support
-    [self.window setCollectionBehavior:NSWindowCollectionBehaviorFullScreenNone];
+    self.window.collectionBehavior = NSWindowCollectionBehaviorFullScreenNone;
 
     NSToolbar* toolbar = [[NSToolbar alloc] initWithIdentifier:@"Preferences Toolbar"];
     toolbar.delegate = self;
@@ -1119,7 +1119,7 @@ - (void)updateRPCPassword
 
         tr_sessionSetRPCPassword(self.fHandle, fullPassword);
 
-        self.fRPCPassword = [[NSString alloc] initWithUTF8String:fullPassword];
+        self.fRPCPassword = @(fullPassword);
         self.fRPCPasswordField.stringValue = self.fRPCPassword;
     }
     else

macosx/ProgressGradients.mm

@@ -9,7 +9,7 @@ @implementation ProgressGradients
 
 + (NSGradient*)progressWhiteGradient
 {
-    if ([NSApp isDarkMode])
+    if (NSApp.darkMode)
     {
         return [[self class] progressGradientForRed:0.1 green:0.1 blue:0.1];
     }
@@ -21,7 +21,7 @@ + (NSGradient*)progressWhiteGradient
 
 + (NSGradient*)progressGrayGradient
 {
-    if ([NSApp isDarkMode])
+    if (NSApp.darkMode)
     {
         return [[self class] progressGradientForRed:0.35 green:0.35 blue:0.35];
     }
@@ -33,7 +33,7 @@ + (NSGradient*)progressGrayGradient
 
 + (NSGradient*)progressLightGrayGradient
 {
-    if ([NSApp isDarkMode])
+    if (NSApp.darkMode)
     {
         return [[self class] progressGradientForRed:0.2 green:0.2 blue:0.2];
     }
@@ -45,7 +45,7 @@ + (NSGradient*)progressLightGrayGradient
 
 + (NSGradient*)progressBlueGradient
 {
-    if ([NSApp isDarkMode])
+    if (NSApp.darkMode)
     {
         return [[self class] progressGradientForRed:0.35 * 2.0 / 3.0 green:0.67 * 2.0 / 3.0 blue:0.98 * 2.0 / 3.0];
     }
@@ -57,7 +57,7 @@ + (NSGradient*)progressBlueGradient
 
 + (NSGradient*)progressDarkBlueGradient
 {
-    if ([NSApp isDarkMode])
+    if (NSApp.darkMode)
     {
         return [[self class] progressGradientForRed:0.616 * 2.0 / 3.0 green:0.722 * 2.0 / 3.0 blue:0.776 * 2.0 / 3.0];
     }
@@ -69,7 +69,7 @@ + (NSGradient*)progressDarkBlueGradient
 
 + (NSGradient*)progressGreenGradient
 {
-    if ([NSApp isDarkMode])
+    if (NSApp.darkMode)
     {
         return [[self class] progressGradientForRed:0.44 * 2.0 / 3.0 green:0.89 * 2.0 / 3.0 blue:0.40 * 2.0 / 3.0];
     }
@@ -81,7 +81,7 @@ + (NSGradient*)progressGreenGradient
 
 + (NSGradient*)progressLightGreenGradient
 {
-    if ([NSApp isDarkMode])
+    if (NSApp.darkMode)
     {
         return [[self class] progressGradientForRed:0.62 * 3.0 / 4.0 green:0.99 * 3.0 / 4.0 blue:0.58 * 3.0 / 4.0];
     }
@@ -93,7 +93,7 @@ + (NSGradient*)progressLightGreenGradient
 
 + (NSGradient*)progressDarkGreenGradient
 {
-    if ([NSApp isDarkMode])
+    if (NSApp.darkMode)
     {
         return [[self class] progressGradientForRed:0.627 * 2.0 / 3.0 green:0.714 * 2.0 / 3.0 blue:0.639 * 2.0 / 3.0];
     }
@@ -105,7 +105,7 @@ + (NSGradient*)progressDarkGreenGradient
 
 + (NSGradient*)progressRedGradient
 {
-    if ([NSApp isDarkMode])
+    if (NSApp.darkMode)
     {
         return [[self class] progressGradientForRed:0.902 * 2.0 / 3.0 green:0.439 * 2.0 / 3.0 blue:0.451 * 2.0 / 3.0];
     }
@@ -117,7 +117,7 @@ + (NSGradient*)progressRedGradient
 
 + (NSGradient*)progressYellowGradient
 {
-    if ([NSApp isDarkMode])
+    if (NSApp.darkMode)
     {
         return [[self class] progressGradientForRed:0.933 * 0.8 green:0.890 * 0.8 blue:0.243 * 0.8];
     }