Add preview support

ApplicationLibrary/Views/Dashboard/ActiveDashboardView.swift

@@ -36,7 +36,7 @@ public struct ActiveDashboardView: View {
                 } else {
                     VStack {
                         #if os(iOS)
-                            if profile.status.isConnected {
+                            if ApplicationLibrary.inPreview || profile.status.isConnected {
                                 ExtensionStatusView()
                                     .listStyle(.automatic)
                                     .navigationBarTitleDisplayMode(.inline)
@@ -53,7 +53,7 @@ public struct ActiveDashboardView: View {
                                 }
                             }
                         #else
-                            if profile.status.isConnected {
+                            if ApplicationLibrary.inPreview || profile.status.isConnected {
                                 ExtensionStatusView()
                             }
                             FormView {
@@ -74,7 +74,7 @@ public struct ActiveDashboardView: View {
                             await switchProfile(selectedProfileID!)
                         }
                     }
-                    .disabled(!profile.status.isSwitchable || reasserting)
+                    .disabled(!ApplicationLibrary.inPreview && (!profile.status.isSwitchable || reasserting))
                 }
             }
         }
@@ -115,24 +115,32 @@ public struct ActiveDashboardView: View {
         defer {
             isLoading = false
         }
-        do {
-            profileList = try ProfileManager.list()
-        } catch {
-            errorMessage = error.localizedDescription
-            errorPresented = true
-            return
-        }
-        if profileList.isEmpty {
-            return
-        }
+        if ApplicationLibrary.inPreview {
+            profileList = [
+                Profile(id: 0, name: "profile local", type: .local, path: ""),
+                Profile(id: 1, name: "profile remote", type: .remote, path: "", lastUpdated: Date(timeIntervalSince1970: 0)),
+            ]
+            selectedProfileID = 0
+        } else {
+            do {
+                profileList = try ProfileManager.list()
+            } catch {
+                errorMessage = error.localizedDescription
+                errorPresented = true
+                return
+            }
+            if profileList.isEmpty {
+                return
+            }
 
-        selectedProfileID = SharedPreferences.selectedProfileID
-        if profileList.filter({ profile in
-            profile.id == selectedProfileID
-        })
-        .isEmpty {
-            selectedProfileID = profileList[0].id!
-            SharedPreferences.selectedProfileID = selectedProfileID
+            selectedProfileID = SharedPreferences.selectedProfileID
+            if profileList.filter({ profile in
+                profile.id == selectedProfileID
+            })
+            .isEmpty {
+                selectedProfileID = profileList[0].id!
+                SharedPreferences.selectedProfileID = selectedProfileID
+            }
         }
     }
 

ApplicationLibrary/Views/Dashboard/DashboardView.swift

@@ -7,7 +7,9 @@ public struct DashboardView: View {
 
     public var body: some View {
         viewBuilder {
-            if let profile = extensionProfile.wrappedValue {
+            if ApplicationLibrary.inPreview {
+                ActiveDashboardView()
+            } else if let profile = extensionProfile.wrappedValue {
                 ActiveDashboardView().environmentObject(profile)
             } else {
                 FormView {

ApplicationLibrary/Views/Dashboard/ExtensionStatusView.swift

@@ -18,7 +18,16 @@ public struct ExtensionStatusView: View {
         viewBuilder {
             VStack {
                 LazyVGrid(columns: Array(repeating: GridItem(.flexible()), count: columnCount), alignment: .leading) {
-                    if let message {
+                    if ApplicationLibrary.inPreview {
+                        StatusItem("Memory", "6.4 MiB")
+                        StatusItem("Goroutines", "89")
+                        StatusItem("Inbound Connections", "34")
+                        StatusItem("Outbound Connections", "28")
+                        StatusItem("Uplink", "38 B/s")
+                        StatusItem("Downlink", "249 MiB/s")
+                        StatusItem("Uplink Total", "52 MiB")
+                        StatusItem("Downlink Total", "5.6 GiB")
+                    } else if let message {
                         StatusItem("Memory", LibboxFormatBytes(message.memory))
                         StatusItem("Goroutines", "\(message.goroutines)")
                         if message.trafficAvailable {

ApplicationLibrary/Views/Dashboard/StartStopButton.swift

@@ -9,7 +9,18 @@ public struct StartStopButton: View {
 
     public var body: some View {
         viewBuilder {
-            if let profile = extensionProfile.wrappedValue {
+            if ApplicationLibrary.inPreview {
+                #if os(iOS)
+                    Toggle(isOn: .constant(true)) {
+                        Text("Enabled")
+                    }
+                #elseif os(macOS)
+                    Button(action: {}, label: {
+                        Label("Stop", systemImage: "stop.fill")
+                    })
+                #endif
+
+            } else if let profile = extensionProfile.wrappedValue {
                 Button0(profile)
             } else {
                 #if os(iOS)
@@ -17,6 +28,7 @@ public struct StartStopButton: View {
                         Text("Enabled")
                     }
                 #elseif os(macOS)
+
                     Button(action: {}, label: {
                         Label("Start", systemImage: "play.fill")
                     })