Create widgets UI and logic

Author: tryboxx

SnippetsLibrary.xcodeproj/project.pbxproj

@@ -9,14 +9,14 @@
 			<key>isShown</key>
 			<false/>
 			<key>orderHint</key>
-			<integer>3</integer>
+			<integer>24</integer>
 		</dict>
 		<key>Promises (Playground) 2.xcscheme</key>
 		<dict>
 			<key>isShown</key>
 			<false/>
 			<key>orderHint</key>
-			<integer>4</integer>
+			<integer>25</integer>
 		</dict>
 		<key>Promises (Playground) 3.xcscheme</key>
 		<dict>
@@ -44,13 +44,18 @@
 			<key>isShown</key>
 			<false/>
 			<key>orderHint</key>
-			<integer>2</integer>
+			<integer>23</integer>
 		</dict>
 		<key>SnippetsLibrary.xcscheme_^#shared#^_</key>
 		<dict>
 			<key>orderHint</key>
 			<integer>0</integer>
 		</dict>
+		<key>SnippetsLibraryWidgetExtension.xcscheme_^#shared#^_</key>
+		<dict>
+			<key>orderHint</key>
+			<integer>1</integer>
+		</dict>
 	</dict>
 	<key>SuppressBuildableAutocreation</key>
 	<dict>

SnippetsLibrary.xcodeproj/xcuserdata/krzysztoflowiec.xcuserdatad/xcschemes/xcschememanagement.plist

@@ -0,0 +1,38 @@
+{
+  "colors" : [
+    {
+      "color" : {
+        "color-space" : "display-p3",
+        "components" : {
+          "alpha" : "1.000",
+          "blue" : "0.971",
+          "green" : "0.962",
+          "red" : "0.966"
+        }
+      },
+      "idiom" : "universal"
+    },
+    {
+      "appearances" : [
+        {
+          "appearance" : "luminosity",
+          "value" : "dark"
+        }
+      ],
+      "color" : {
+        "color-space" : "display-p3",
+        "components" : {
+          "alpha" : "1.000",
+          "blue" : "0.102",
+          "green" : "0.102",
+          "red" : "0.102"
+        }
+      },
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

SnippetsLibrary/Assets.xcassets/Colors/widgetBackground.colorset/Contents.json

@@ -0,0 +1,12 @@
+{
+  "images" : [
+    {
+      "filename" : "icSnippetFileBlank.png",
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

SnippetsLibrary/Assets.xcassets/icSnippetFileBlank.imageset/Contents.json

@@ -11,12 +11,15 @@ import Combine
 protocol UserDefaultsService {
     func saveRecentSnippet(_ snippet: Snippet)
     func fetchRecentSnippets() -> AnyPublisher<[Snippet], Never>
+    
+    func fetchRecentSnippetsFromAppGroup() -> [Snippet]
 }
 
 final class UserDefaultsServiceImpl: UserDefaultsService {
 
     private enum Constants {
         static let recentSnippetKey = "RecentSnippet"
+        static let appGroupName = "group.com.cphlowiec.SnippetsLibrary"
     }
 
     // MARK: - Stored Properties
@@ -25,13 +28,21 @@ final class UserDefaultsServiceImpl: UserDefaultsService {
 
     // MARK: - Methods
 
+    // MARK: - Recent Snippets -
+    
     internal func saveRecentSnippet(_ snippet: Snippet) {
         let snippet = SnippetPlist(from: snippet)
         let snippetDictonary = snippet.convertedToDictonary()
+        let snippetKey = Constants.recentSnippetKey + " \(snippet.id)"
 
         userDefaults.set(
             snippetDictonary,
-            forKey: Constants.recentSnippetKey + " \(snippet.id)"
+            forKey: snippetKey
+        )
+        
+        saveSnippetDictonaryIntoAppGroup(
+            snippetDictonary,
+            key: snippetKey
         )
     }
 
@@ -56,4 +67,37 @@ final class UserDefaultsServiceImpl: UserDefaultsService {
         .eraseToAnyPublisher()
     }
 
+    // MARK: - App Group -
+    
+    internal func fetchRecentSnippetsFromAppGroup() -> [Snippet] {
+        guard let userDefaults = UserDefaults(suiteName: Constants.appGroupName) else { return [] }
+        
+        let keys = userDefaults.dictionaryRepresentation().keys.filter { $0.contains(Constants.recentSnippetKey) }
+        var snippets = [Snippet]()
+        
+        for key in keys {
+            guard
+                let snippetDictonary = userDefaults.object(forKey: key),
+                let data = try? JSONSerialization.data(withJSONObject: snippetDictonary, options: []),
+                let snippet = try? JSONDecoder().decode(SnippetPlist.self, from: data)
+            else { continue }
+            
+            snippets.append(Snippet(from: snippet))
+        }
+        
+        return snippets
+    }
+    
+    private func saveSnippetDictonaryIntoAppGroup(
+        _ snippetDictonary: [String: Any],
+        key: String
+    ) {
+        guard let userDefaults = UserDefaults(suiteName: Constants.appGroupName) else { return }
+        
+        userDefaults.set(
+            snippetDictonary,
+            forKey: key
+        )
+    }
+    
 }

SnippetsLibrary/Assets.xcassets/icSnippetFileBlank.imageset/icSnippetFileBlank.png

@@ -4,6 +4,10 @@
 <dict>
 	<key>com.apple.security.app-sandbox</key>
 	<true/>
+	<key>com.apple.security.application-groups</key>
+	<array>
+		<string>group.com.cphlowiec.SnippetsLibrary</string>
+	</array>
 	<key>com.apple.security.files.user-selected.read-write</key>
 	<true/>
 	<key>com.apple.security.network.client</key>

SnippetsLibrary/Services/UserDefaults/UserDefaultsService.swift

@@ -4,6 +4,10 @@
 <dict>
 	<key>com.apple.security.app-sandbox</key>
 	<true/>
+	<key>com.apple.security.application-groups</key>
+	<array>
+		<string>group.com.cphlowiec.SnippetsLibrary</string>
+	</array>
 	<key>com.apple.security.files.user-selected.read-write</key>
 	<true/>
 	<key>com.apple.security.network.client</key>

SnippetsLibrary/SnippetsLibrary.entitlements

@@ -0,0 +1,12 @@
+//
+//  UserDefaultsServiceError.swift
+//  SnippetsLibrary
+//
+//  Created by Krzysztof Łowiec on 02/10/2021.
+//
+
+import Foundation
+
+enum UserDefaultsServiceError: Error {
+    case unableToGetData
+}

SnippetsLibrary/SnippetsLibraryDebug.entitlements

@@ -9,6 +9,11 @@ import SwiftUI
 
 struct AppView: View {
 
+    private enum Constants {
+        static let statusWindowClassName = "NSStatusBarWindow"
+        static let delay = DispatchTime.now() + 0.01
+    }
+    
     // MARK: - Stored Properties
 
     @Environment(\.scenePhase) var scenePhase
@@ -29,6 +34,9 @@ struct AppView: View {
                     shouldShowNetworkAlert.toggle()
                 }
             }
+            .onOpenURL {
+                openSnippet(fromURL: $0)
+            }
             .makeDisplayed(
                 with: $shouldShowNetworkAlert,
                 imageName: "network",
@@ -86,6 +94,24 @@ struct AppView: View {
         }
     }
 
+    private func openSnippet(fromURL url: URL) {
+        closeWindowsIfVisible()
+        let snippetId = url.absoluteString.replacingOccurrences(of: "widget://", with: "")
+        
+        DispatchQueue.main.asyncAfter(deadline: Constants.delay) {
+            NSApplication.shared.windows.first?.orderFront(nil)
+            activeAppView = .snippetsLibrary(snippetId)
+        }
+    }
+    
+    private func closeWindowsIfVisible() {
+        for window in NSApplication.shared.windows where window.className != Constants.statusWindowClassName {
+            DispatchQueue.main.async {
+                window.close()
+            }
+        }
+    }
+    
 }