Feed icons! '/favicon.ico' download, storage and display.

baRSS/Categories/Feed+Ext.h

@@ -33,4 +33,5 @@
 - (NSArray<FeedArticle*>*)sortedArticles;
 - (int)markAllItemsRead;
 - (int)markAllItemsUnread;
+- (NSImage*)iconImage16;
 @end

baRSS/Categories/Feed+Ext.m

@@ -21,11 +21,14 @@
 //  SOFTWARE.
 
 #import "Feed+Ext.h"
+#import "Constants.h"
+#import "DrawImage.h"
 #import "FeedMeta+Ext.h"
 #import "FeedGroup+Ext.h"
+#import "FeedIcon+CoreDataClass.h"
 #import "FeedArticle+CoreDataClass.h"
-#import "Constants.h"
 
+#import <Cocoa/Cocoa.h>
 #import <RSXML/RSXML.h>
 
 @implementation Feed (Ext)
@@ -214,4 +217,19 @@
 	return newCount - oldCount;
 }
 
+/**
+ @return Return @c 16x16px image. Either from core data storage or generated default RSS icon.
+ */
+- (NSImage*)iconImage16 {
+	NSData *imgData = self.icon.icon;
+	if (imgData) {
+		return [[NSImage alloc] initWithData:imgData];
+	} else {
+		static NSImage *defaultRSSIcon;
+		if (!defaultRSSIcon)
+			defaultRSSIcon = [RSSIcon iconWithSize:16];
+		return defaultRSSIcon;
+	}
+}
+
 @end

baRSS/Categories/FeedGroup+Ext.h

@@ -33,6 +33,7 @@ typedef NS_ENUM(int16_t, FeedGroupType) {
 
 + (instancetype)newGroup:(FeedGroupType)type inContext:(NSManagedObjectContext*)context;
 - (void)setName:(NSString*)name andRefreshString:(NSString*)refreshStr;
+- (NSImage*)groupIconImage16;
 // Handle children and parents
 - (NSString*)indexPathString;
 - (NSMutableArray<FeedGroup*>*)allParents;

baRSS/Categories/FeedGroup+Ext.m

@@ -24,6 +24,8 @@
 #import "FeedMeta+Ext.h"
 #import "Feed+Ext.h"
 
+#import <Cocoa/Cocoa.h>
+
 @implementation FeedGroup (Ext)
 /// Enum tpye getter see @c FeedGroupType
 - (FeedGroupType)typ { return (FeedGroupType)self.type; }
@@ -46,6 +48,16 @@
 	if (![self.refreshStr isEqualToString:refreshStr]) self.refreshStr = refreshStr;
 }
 
+/// @return Return static @c 16x16px NSImageNameFolder image.
+- (NSImage*)groupIconImage16 {
+	static NSImage *groupIcon;
+	if (!groupIcon) {
+		groupIcon = [NSImage imageNamed:NSImageNameFolder];
+		groupIcon.size = NSMakeSize(16, 16);
+	}
+	return groupIcon;
+}
+
 
 #pragma mark - Handle Children And Parents -