a lot of updates

grid view for downloaded emojis

shared instance of EmojiHoarder
nonisolated static localEmojiDB var
deleteallstickers is @MainActor

StickerSlack/SwiftUI/ContentView.swift

@@ -9,20 +9,55 @@ import SwiftUI
 import Haptics
 
 struct ContentView: View {
-	@StateObject var hoarder: EmojiHoarder = EmojiHoarder()
+	@StateObject var hoarder: EmojiHoarder = .shared
 	
 	@State var searchTerm: String = ""
 	
-	var col: GridItem = GridItem(.fixed(100), spacing: 0, alignment: .center)
+	var minColWidth: CGFloat { 75 }
+	var spacing: CGFloat { 10 }
+	var col: GridItem {
+		GridItem(
+			.flexible(minimum: minColWidth, maximum: 125),
+			spacing: spacing,
+			alignment: .center
+		)
+	}
+	
+	@Environment(\.colorScheme) var colorScheme
+	var isDark: Bool { colorScheme == .dark }
 	var body: some View {
 		TabView {
-			LazyHGrid(rows: Array(repeating: col, count: 4), spacing: 10) {
-				ForEach(hoarder.downloadedEmojis.sorted(by: <), id: \.self) { name in
-					if let emoji = hoarder.trie.dict[name] {
-						EmojiPreview(hoarder: hoarder, emoji: emoji)
+			ScrollView {
+				let columns: Int = max(1, Int((UIScreen.main.bounds.width - 2*spacing) / (minColWidth + spacing)))
+				let layout = Array(repeating: col, count: columns)
+				LazyVGrid(columns: layout, spacing: 10) {
+					ForEach(hoarder.emojis, id: \.self) { emoji in
+						if hoarder.downloadedEmojis.contains(emoji.name) {
+							ZStack {
+								Rectangle()
+									.foregroundStyle(isDark ? .black : .white)
+								EmojiPreview(emoji: emoji)
+								RoundedRectangle(cornerRadius: 15)
+									.stroke(.gray, lineWidth: 1)
+							}
 							.aspectRatio(1, contentMode: .fit)
+							.clipShape(RoundedRectangle(cornerRadius: 15))
+							.contextMenu {
+								Text(emoji.name)
+								Button("Share", systemImage: "square.and.arrow.up") {
+									
+								}
+								ShareLink("Share", item: emoji.localImageURL, subject: nil, message: nil)
+								ShareLink("Share", item: emoji.remoteImageURL, subject: nil, message: nil)
+								Divider()
+								Button("Delete", systemImage: "trash.fill", role: .destructive) {
+									hoarder.delete(emoji: emoji)
+								}
+							}
+						}
 					}
 				}
+				.padding(.horizontal, spacing)
 			}
 			.tabItem {
 				Label("Downloaded", systemImage: "arrow.down.circle.fill")
@@ -30,7 +65,7 @@ struct ContentView: View {
 			
 			List {
 				ForEach(hoarder.emojis, id: \.self) { emoji in
-					EmojiRow(hoarder: hoarder, emoji: emoji)
+					EmojiRow(emoji: emoji)
 				}
 			}
 			.tabItem {
@@ -42,7 +77,7 @@ struct ContentView: View {
 				
 				ForEach(hoarder.filteredEmojis, id: \.self) { name in
 					if let emoji = hoarder.trie.dict[name] {
-						EmojiRow(hoarder: hoarder, emoji: emoji)
+						EmojiRow(emoji: emoji)
 					}
 				}
 			}
@@ -59,12 +94,10 @@ struct ContentView: View {
 				Label("Search", systemImage: "magnifyingglass")
 			}
 			
-			TrieTestingView(
-				hoarder: hoarder,
-			)
-			.tabItem {
-				Label("Tree", systemImage: "tree.fill")
-			}
+			TrieTestingView()
+				.tabItem {
+					Label("Tree", systemImage: "tree.fill")
+				}
 		}
 		.searchable(text: $searchTerm, placement: .automatic)
 	}