Project organization updates

Telegram/WidgetKitWidget/TodayViewController.swift

@@ -0,0 +1,221 @@
+import UIKit
+import NotificationCenter
+import BuildConfig
+import WidgetItems
+import AppLockState
+import SwiftUI
+import WidgetKit
+
+private func rootPathForBasePath(_ appGroupPath: String) -> String {
+    return appGroupPath + "/telegram-data"
+}
+
+struct Provider: TimelineProvider {
+    public typealias Entry = SimpleEntry
+    
+    func placeholder(in context: Context) -> SimpleEntry {
+        return SimpleEntry(date: Date())
+    }
+    
+    func getSnapshot(in context: Context, completion: @escaping (SimpleEntry) -> Void) {
+        let entry = SimpleEntry(date: Date())
+        completion(entry)
+    }
+    
+    func getTimeline(in context: Context, completion: @escaping (Timeline<SimpleEntry>) -> Void) {
+        var entries: [SimpleEntry] = []
+        
+        let currentDate = Date()
+        for hourOffset in 0 ..< 1 {
+            let entryDate = Calendar.current.date(byAdding: .hour, value: hourOffset, to: currentDate)!
+            let entry = SimpleEntry(date: entryDate)
+            entries.append(entry)
+        }
+
+        let timeline = Timeline(entries: entries, policy: .atEnd)
+        completion(timeline)
+    }
+}
+
+struct SimpleEntry: TimelineEntry {
+    let date: Date
+}
+
+enum PeersWidgetData {
+    case placeholder
+    case empty
+    case locked
+    case data(WidgetData)
+}
+
+extension PeersWidgetData {
+    static let previewData = PeersWidgetData.placeholder
+}
+
+struct WidgetView: View {
+    let data: PeersWidgetData
+    
+    func placeholder(geometry: GeometryProxy) -> some View {
+        let defaultItemSize: CGFloat = 60.0
+        let defaultPaddingFraction: CGFloat = 0.36
+        
+        let rowCount = Int(round(geometry.size.width / (defaultItemSize * (1.0 + defaultPaddingFraction))))
+        let itemSize = floor(geometry.size.width / (CGFloat(rowCount) + defaultPaddingFraction * CGFloat(rowCount - 1)))
+        
+        let firstRowY = itemSize / 2.0
+        let secondRowY = itemSize / 2.0 + geometry.size.height - itemSize
+        
+        return ZStack {
+            ForEach(0 ..< rowCount * 2, content: { i in
+                return Circle().frame(width: itemSize, height: itemSize).position(x: itemSize / 2.0 + floor(CGFloat(i % rowCount) * itemSize * (1.0 + defaultPaddingFraction)), y: i / rowCount == 0 ? firstRowY : secondRowY).foregroundColor(.gray)
+            })
+        }
+    }
+    
+    func peersView(geometry: GeometryProxy, peers: WidgetDataPeers) -> some View {
+        let defaultItemSize: CGFloat = 60.0
+        let defaultPaddingFraction: CGFloat = 0.36
+        
+        let rowCount = Int(round(geometry.size.width / (defaultItemSize * (1.0 + defaultPaddingFraction))))
+        let itemSize = floor(geometry.size.width / (CGFloat(rowCount) + defaultPaddingFraction * CGFloat(rowCount - 1)))
+        
+        let firstRowY = itemSize / 2.0
+        let secondRowY = itemSize / 2.0 + geometry.size.height - itemSize
+        
+        return ZStack {
+            ForEach(0 ..< min(peers.peers.count, rowCount * 2), content: { i in
+                Link(destination: URL(string: "\(buildConfig.appSpecificUrlScheme)://localpeer?id=\(peers.peers[i].id)")!, label: {
+                    Image(uiImage: avatarImage(accountPeerId: peers.accountPeerId, peer: peers.peers[i], size: CGSize(width: itemSize, height: itemSize)))
+                        .frame(width: itemSize, height: itemSize)
+                }).frame(width: itemSize, height: itemSize)
+                .position(x: itemSize / 2.0 + floor(CGFloat(i % rowCount) * itemSize * (1.0 + defaultPaddingFraction)), y: i / rowCount == 0 ? firstRowY : secondRowY)
+            })
+        }
+    }
+    
+    func peerViews() -> AnyView {
+        switch data {
+        case .placeholder:
+            return AnyView(GeometryReader { geometry in
+                placeholder(geometry: geometry)
+            })
+        case .empty:
+            return AnyView(VStack {
+                Text(presentationData.applicationStartRequiredString)
+            })
+        case .locked:
+            return AnyView(VStack {
+                Text(presentationData.applicationLockedString)
+            })
+        case let .data(data):
+            switch data {
+            case let .peers(peers):
+                return AnyView(GeometryReader { geometry in
+                    peersView(geometry: geometry, peers: peers)
+                })
+            default:
+                return AnyView(ZStack {
+                    Circle()
+                })
+            }
+        }
+    }
+    
+    var body: some View {
+        ZStack {
+            Color(.systemBackground)
+            peerViews()
+        }
+        .padding(.all)
+    }
+}
+
+private let buildConfig: BuildConfig = {
+    let appBundleIdentifier = Bundle.main.bundleIdentifier!
+    guard let lastDotRange = appBundleIdentifier.range(of: ".", options: [.backwards]) else {
+        preconditionFailure()
+    }
+    let baseAppBundleId = String(appBundleIdentifier[..<lastDotRange.lowerBound])
+    
+    let buildConfig = BuildConfig(baseAppBundleId: baseAppBundleId)
+    return buildConfig
+}()
+
+private extension WidgetPresentationData {
+    static var `default` = WidgetPresentationData(
+        applicationLockedString: "Unlock the app to use the widget",
+        applicationStartRequiredString: "Open the app to use the widget",
+        widgetGalleryTitle: "Telegram",
+        widgetGalleryDescription: ""
+    )
+}
+
+private let presentationData: WidgetPresentationData = {
+    let appBundleIdentifier = Bundle.main.bundleIdentifier!
+    guard let lastDotRange = appBundleIdentifier.range(of: ".", options: [.backwards]) else {
+        return WidgetPresentationData.default
+    }
+    let baseAppBundleId = String(appBundleIdentifier[..<lastDotRange.lowerBound])
+    
+    let appGroupName = "group.\(baseAppBundleId)"
+    let maybeAppGroupUrl = FileManager.default.containerURL(forSecurityApplicationGroupIdentifier: appGroupName)
+    
+    guard let appGroupUrl = maybeAppGroupUrl else {
+        return WidgetPresentationData.default
+    }
+    
+    let rootPath = rootPathForBasePath(appGroupUrl.path)
+    
+    if let data = try? Data(contentsOf: URL(fileURLWithPath: widgetPresentationDataPath(rootPath: rootPath))), let value = try? JSONDecoder().decode(WidgetPresentationData.self, from: data) {
+        return value
+    } else {
+        return WidgetPresentationData.default
+    }
+}()
+
+func getWidgetData() -> PeersWidgetData {
+    let appBundleIdentifier = Bundle.main.bundleIdentifier!
+    guard let lastDotRange = appBundleIdentifier.range(of: ".", options: [.backwards]) else {
+        return .placeholder
+    }
+    let baseAppBundleId = String(appBundleIdentifier[..<lastDotRange.lowerBound])
+    
+    let appGroupName = "group.\(baseAppBundleId)"
+    let maybeAppGroupUrl = FileManager.default.containerURL(forSecurityApplicationGroupIdentifier: appGroupName)
+    
+    guard let appGroupUrl = maybeAppGroupUrl else {
+        return .placeholder
+    }
+    
+    let rootPath = rootPathForBasePath(appGroupUrl.path)
+    
+    if let data = try? Data(contentsOf: URL(fileURLWithPath: appLockStatePath(rootPath: rootPath))), let state = try? JSONDecoder().decode(LockState.self, from: data), isAppLocked(state: state) {
+        return .locked
+    }
+    
+    let dataPath = rootPath + "/widget-data"
+    
+    if let data = try? Data(contentsOf: URL(fileURLWithPath: dataPath)), let widgetData = try? JSONDecoder().decode(WidgetData.self, from: data) {
+        return .data(widgetData)
+    } else {
+        return .placeholder
+    }
+}
+
+@main
+struct Static_Widget: Widget {
+    private let kind: String = "Static_Widget"
+
+    public var body: some WidgetConfiguration {
+        return StaticConfiguration(
+            kind: kind,
+            provider: Provider(),
+            content: { entry in
+                WidgetView(data: getWidgetData())
+            }
+        )
+        .supportedFamilies([.systemMedium])
+        .configurationDisplayName(presentationData.widgetGalleryTitle)
+        .description(presentationData.widgetGalleryDescription)
+    }
+}