Add support for iOS Live Activities and Home Screen widgets (#18)

Author: thermitex

ios/EventWidget/Assets.xcassets/AccentColor.colorset/Contents.json

@@ -0,0 +1,20 @@
+{
+  "colors" : [
+    {
+      "color" : {
+        "color-space" : "srgb",
+        "components" : {
+          "alpha" : "1.000",
+          "blue" : "0.961",
+          "green" : "0.424",
+          "red" : "0.345"
+        }
+      },
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

ios/EventWidget/Assets.xcassets/AppBanner.imageset/Contents.json

@@ -0,0 +1,21 @@
+{
+  "images" : [
+    {
+      "filename" : "cuckoo_small_banner.svg",
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

ios/EventWidget/Assets.xcassets/AppBanner.imageset/cuckoo_small_banner.svg

@@ -0,0 +1,13 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "platform" : "ios",
+      "size" : "1024x1024"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

ios/EventWidget/Assets.xcassets/AppIcon.appiconset/Contents.json

@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

ios/EventWidget/Assets.xcassets/Contents.json

@@ -0,0 +1,21 @@
+{
+  "images" : [
+    {
+      "filename" : "cuckoo 2.svg",
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

ios/EventWidget/Assets.xcassets/MinimalIcon.imageset/Contents.json

@@ -0,0 +1,11 @@
+{
+  "colors" : [
+    {
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

ios/EventWidget/Assets.xcassets/MinimalIcon.imageset/cuckoo 2.svg

@@ -0,0 +1,31 @@
+//
+//  CommonUtils.swift
+//  Runner
+//
+//  Created by Ruijie Li on 24/7/2024.
+//
+
+import Foundation
+import SwiftUI
+
+@available(iOS 13.0, *)
+func hexStringToColor(hex: String) -> Color {
+  var cString: String = hex.trimmingCharacters(in: .whitespacesAndNewlines).uppercased()
+
+  if (cString.hasPrefix("#")) {
+    cString.remove(at: cString.startIndex)
+  }
+
+  if ((cString.count) != 6) {
+    return Color.gray
+  }
+
+  var rgbValue: UInt64 = 0
+  Scanner(string: cString).scanHexInt64(&rgbValue)
+
+  return Color(
+    red: CGFloat((rgbValue & 0xFF0000) >> 16) / 255.0,
+    green: CGFloat((rgbValue & 0x00FF00) >> 8) / 255.0,
+    blue: CGFloat(rgbValue & 0x0000FF) / 255.0
+  )
+}

ios/EventWidget/Assets.xcassets/WidgetBackground.colorset/Contents.json

@@ -0,0 +1,191 @@
+//
+//  EventWidget.swift
+//  EventWidget
+//
+//  Created by Ruijie Li on 23/7/2024.
+//
+
+import WidgetKit
+import SwiftUI
+
+private let widgetGroupId = "group.jerry.li.Cuckoo"
+
+struct Provider: TimelineProvider {
+  func placeholder(in context: Context) -> DateEntry {
+    DateEntry(date: Date())
+  }
+
+  func getSnapshot(in context: Context, completion: @escaping (DateEntry) -> ()) {
+    let entry = DateEntry(date: Date())
+    completion(entry)
+  }
+
+  func getTimeline(in context: Context, completion: @escaping (Timeline<Entry>) -> ()) {
+    let date = Date()
+    let entry = DateEntry(date: date)
+
+    let nextUpdateDate = Calendar.current.date(byAdding: .minute, value: 30, to: date)!
+
+    let timeline = Timeline(
+        entries:[entry],
+        policy: .after(nextUpdateDate)
+    )
+
+    completion(timeline)
+  }
+}
+
+struct DateEntry: TimelineEntry {
+  let date: Date
+}
+
+struct EventWidgetEntryView : View {
+  var entry: Provider.Entry
+  let data = UserDefaults.init(suiteName: widgetGroupId)
+  @Environment(\.widgetFamily) var family
+  
+  var hasEvent = false
+  var remainingDay: Int?
+  var remainingHour: Int?
+  var dueDateStr: String?
+  var courseCode: String?
+  var eventTitle: String?
+  var color: Color?
+  
+  init(entry: Provider.Entry) {
+    self.entry = entry
+    
+    // Check data availability first
+    hasEvent = data?.bool(forKey: "hasEvent") ?? false
+    if (hasEvent) {
+      courseCode = data!.string(forKey: "courseCode")
+      eventTitle = data!.string(forKey: "eventTitle")
+      
+      color = hexStringToColor(hex: data!.string(forKey: "courseColorHex")!)
+      if (courseCode?.count == 0) {
+        color = .gray
+      }
+      
+      let dueDate = Date(timeIntervalSince1970: data!.double(forKey: "eventDueDate"))
+      let dueFormatter = DateFormatter()
+      dueFormatter.dateFormat = "HH:mm MMM d"
+      dueDateStr = dueFormatter.string(from: dueDate)
+      
+      let remainingSecs = max(Int(dueDate.timeIntervalSince1970 - entry.date.timeIntervalSince1970), 0)
+      remainingDay = remainingSecs / 86400
+      remainingHour = (remainingSecs - remainingDay! * 86400) / 3600
+    }
+  }
+
+  var body: some View {
+    if (hasEvent) {
+      if (family == .systemSmall) {
+        HStack {
+          VStack (alignment: .leading) {
+            Text("\(Text(String(remainingDay!)).font(.custom("Montserrat-Bold", size: 31.0)))d \(Text(String(remainingHour!)).font(.custom("Montserrat-Bold", size: 31.0)))hr")
+              .font(.custom("Montserrat-Medium", size: 15.0))
+            Spacer()
+            (Text(courseCode!)
+              .bold()
+              .foregroundColor(color!)
+              .font(.caption) +
+             Text("\n") +
+             Text(eventTitle!))
+            .font(.subheadline)
+            .lineLimit(3)
+            Spacer()
+              .frame(height: 5)
+            Text(dueDateStr!)
+              .bold()
+              .font(.caption2)
+              .foregroundColor(color!)
+          }
+          Spacer()
+        }
+      } else if (family == .systemMedium) {
+        HStack {
+          VStack(alignment: .leading) {
+            Image("AppBanner")
+            Spacer()
+            (Text(courseCode!)
+              .bold()
+              .foregroundColor(color!)
+              .font(.caption) +
+             Text("\n") +
+             Text(eventTitle!))
+            .font(.subheadline)
+            .lineLimit(4)
+            Spacer()
+              .frame(height: 5)
+            Text(dueDateStr!)
+              .bold()
+              .font(.caption2)
+              .foregroundColor(color!)
+          }
+          Spacer(minLength: 30.0)
+          VStack(alignment: .trailing) {
+            Spacer()
+            Text("\(Text(String(remainingDay!)).font(.custom("Montserrat-Bold", size: 42.0)))d")
+              .font(.custom("Montserrat-Medium", size: 20.0))
+              .frame(height: -3.0)
+            Text("\(Text(String(remainingHour!)).font(.custom("Montserrat-Bold", size: 42.0)))h")
+              .font(.custom("Montserrat-Medium", size: 20.0))
+            Text("Time\nRemaining")
+              .foregroundColor(Color(.secondaryLabel))
+              .font(.caption2)
+              .multilineTextAlignment(.trailing)
+          }
+        }
+      } else if (family == .accessoryInline) {
+        Text("\(remainingDay! > 0 ? "\(remainingDay!)d " : "")\(remainingHour!)h Left")
+          .padding(.leading, 2.0)
+      } else if (family == .accessoryRectangular) {
+        HStack(spacing: 8.0) {
+          RoundedRectangle(cornerRadius: 3.0)
+            .fill()
+            .frame(width: 6.0, height: .infinity)
+            .padding(.vertical, 2.0)
+          VStack(alignment: .leading) {
+            (Text(courseCode!)
+              .bold()
+              .font(.caption) +
+             Text(courseCode!.count > 0 ? "\n" : "") +
+             Text(eventTitle!)
+              .fontWeight(.medium))
+            .font(.subheadline)
+            .lineLimit(2)
+            Spacer()
+              .frame(height: 5)
+            Text(dueDateStr!)
+              .bold()
+              .font(.caption2)
+          }
+          Spacer()
+        }
+      }
+    } else {
+      Text("No Events")
+        .foregroundColor(Color(.secondaryLabel))
+    }
+  }
+}
+
+struct CuckooUpcomingEventWidget: Widget {
+  let kind: String = "CuckooUpcomingEventWidget"
+
+  var body: some WidgetConfiguration {
+    StaticConfiguration(kind: kind, provider: Provider()) { entry in
+      if #available(iOS 17.0, *) {
+        EventWidgetEntryView(entry: entry)
+          .containerBackground(.fill.tertiary, for: .widget)
+      } else {
+        EventWidgetEntryView(entry: entry)
+          .padding()
+          .background()
+      }
+    }
+    .supportedFamilies([.systemSmall, .systemMedium, .accessoryInline, .accessoryRectangular])
+    .configurationDisplayName("Upcoming Event")
+    .description("Display the next upcoming event in the events list.")
+  }
+}