Added option to use lower resolution artworks in TagTunes

TagTunes/AlbumTableCellView.swift

@@ -120,7 +120,7 @@ public class AlbumTableCellView: AdvancedTableCellView {
     public func setupForAlbum(album: Album, loading: Bool, error: NSError?) {
         textField?.stringValue = Preferences.sharedPreferences.useCensoredNames ? album.censoredName : album.name
         secondaryTextField?.stringValue = album.artistName
-        asyncImageView.downloadImageFromURL(album.artwork.hiResURL)
+        asyncImageView.downloadImageFromURL(album.artwork.displayImageURL)
         if loading {
             textField?.textColor = NSColor.disabledControlTextColor()
             rightAccessoryView = loadingIndicator
@@ -163,7 +163,7 @@ public class AlbumTableCellView: AdvancedTableCellView {
         textField?.stringValue = Preferences.sharedPreferences.useCensoredNames ? searchResult.censoredName : searchResult.name
         textField?.textColor = NSColor.controlTextColor()
         secondaryTextField?.stringValue = searchResult.artistName
-        asyncImageView.downloadImageFromURL(searchResult.artwork.hiResURL)
+        asyncImageView.downloadImageFromURL(searchResult.artwork.displayImageURL)
         if selectable {
             button.title = NSLocalizedString("Select", comment: "Button title for 'selecting a search result'")
             button.enabled = true

TagTunes/Artwork.swift

@@ -56,7 +56,7 @@ public class Artwork: iTunesType {
         let filePath = directory.stringByAppendingString("/\(filename).tiff")
             
         try NSFileManager.defaultManager().createDirectoryAtPath(directory, withIntermediateDirectories: true, attributes: nil)
-        let _ = NSFileManager.defaultManager().createFileAtPath(filePath, contents: hiResImage?.TIFFRepresentation, attributes: nil)
+        let _ = NSFileManager.defaultManager().createFileAtPath(filePath, contents: saveImage?.TIFFRepresentation, attributes: nil)
     }
 
     // MARK: Calculated Properties
@@ -103,4 +103,18 @@ public class Artwork: iTunesType {
         return cachedHiResImage
     }
     
+    /// Returns the url of an image that should be used to display this artwork
+    /// with respect to the user's preferences.
+    public var displayImageURL: NSURL {
+        if !Preferences.sharedPreferences.useLowResolutionArtwork && hiResURL != nil {
+            return hiResURL
+        }
+        return url100
+    }
+    
+    /// Returns the image that should be used to save this artwork.
+    public var saveImage: NSImage? {
+        return hiResImage != nil ? hiResImage : image100
+    }
+    
 }

TagTunes/Base.lproj/Main.storyboard

@@ -831,6 +831,9 @@ CA
                                     <behavior key="behavior" changeContents="YES" doesNotDimImage="YES" lightByContents="YES"/>
                                     <font key="font" metaFont="system"/>
                                 </buttonCell>
+                                <connections>
+                                    <binding destination="aSx-iH-PLA" name="value" keyPath="sharedPreferences.useLowResolutionArtwork" id="pFX-Hd-IVH"/>
+                                </connections>
                             </button>
                             <textField verticalHuggingPriority="750" horizontalCompressionResistancePriority="250" setsMaxLayoutWidthAtFirstLayout="YES" translatesAutoresizingMaskIntoConstraints="NO" id="ODz-LZ-Acs">
                                 <rect key="frame" x="30" y="20" width="402" height="28"/>
@@ -932,7 +935,7 @@ CA
                                     <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                                     <subviews>
                                         <tableView verticalHuggingPriority="750" allowsExpansionToolTips="YES" columnAutoresizingStyle="lastColumnOnly" alternatingRowBackgroundColors="YES" multipleSelection="NO" autosaveColumns="NO" rowHeight="21" rowSizeStyle="automatic" viewBased="YES" id="WCb-HH-YPh">
-                                            <rect key="frame" x="0.0" y="0.0" width="408" height="172"/>
+                                            <rect key="frame" x="0.0" y="0.0" width="408" height="0.0"/>
                                             <autoresizingMask key="autoresizingMask"/>
                                             <animations/>
                                             <size key="intercellSpacing" width="3" height="2"/>

TagTunes/Preferences.swift

@@ -36,6 +36,8 @@ import Cocoa
         
         static let removeSavedAlbumsKey = "Remove Saved Albums"
         
+        static let useLowResolutionArtworkKey = "Use Low Resolution Artwork"
+        
         static let useCensoredNamesKey = "Use Censored Names"
         
         static let caseSensitiveKey = "Case Sensitive"
@@ -72,6 +74,7 @@ import Cocoa
             UserDefaultsConstants.saveArtworkKey: false,
             UserDefaultsConstants.keepSearchResultsKey: false,
             UserDefaultsConstants.removeSavedAlbumsKey: false,
+            UserDefaultsConstants.useLowResolutionArtworkKey: false,
             UserDefaultsConstants.useCensoredNamesKey: false,
             UserDefaultsConstants.caseSensitiveKey: true,
             UserDefaultsConstants.clearArtworksKey: false
@@ -121,6 +124,17 @@ import Cocoa
         }
     }
     
+    /// If `true` the main table view will use 100x100 artworks instead of full
+    /// sized images. This option does not affect saving.
+    public dynamic var useLowResolutionArtwork: Bool {
+        set {
+            NSUserDefaults.standardUserDefaults().setBool(newValue, forKey: UserDefaultsConstants.useLowResolutionArtworkKey)
+        }
+        get {
+            return NSUserDefaults.standardUserDefaults().boolForKey(UserDefaultsConstants.useLowResolutionArtworkKey)
+        }
+    }
+    
     // MARK: Tag Preferences
     
     /// If `true` TagTunes displays and saves censored names instead of the