Add a Link New Device screen (behind a feature flag). (#4811)

2026-11-03 06:55:59 +00:00 · 2025-12-11 11:45:23 +00:00
parent 9ffb9a22e3
commit 4ea1aaecdd
46 changed files with 635 additions and 27 deletions
@@ -0,0 +1,61 @@
+//
+// Copyright 2025 Element Creations Ltd.
+//
+// SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial.
+// Please see LICENSE files in the repository root for full details.
+//
+
+import Combine
+import SwiftUI
+
+typealias LinkNewDeviceScreenViewModelType = StateStoreViewModelV2<LinkNewDeviceScreenViewState, LinkNewDeviceScreenViewAction>
+
+class LinkNewDeviceScreenViewModel: LinkNewDeviceScreenViewModelType, LinkNewDeviceScreenViewModelProtocol {
+    private let clientProxy: ClientProxyProtocol
+    
+    private let actionsSubject: PassthroughSubject<LinkNewDeviceScreenViewModelAction, Never> = .init()
+    var actionsPublisher: AnyPublisher<LinkNewDeviceScreenViewModelAction, Never> {
+        actionsSubject.eraseToAnyPublisher()
+    }
+
+    init(clientProxy: ClientProxyProtocol) {
+        self.clientProxy = clientProxy
+        
+        super.init(initialViewState: LinkNewDeviceScreenViewState())
+        
+        Task { await checkQRCodeLoginSupport() }
+    }
+    
+    // MARK: - Public
+    
+    override func process(viewAction: LinkNewDeviceScreenViewAction) {
+        MXLog.info("View model: received view action: \(viewAction)")
+        
+        switch viewAction {
+        case .linkMobileDevice:
+            linkMobileDevice()
+        case .linkDesktopComputer:
+            actionsSubject.send(.linkDesktopComputer)
+        case .dismiss:
+            actionsSubject.send(.dismiss)
+        }
+    }
+    
+    // MARK: - Private
+    
+    private func checkQRCodeLoginSupport() async {
+        if await clientProxy.isLoginWithQRCodeSupported {
+            state.mode = .readyToLink(isGeneratingCode: false)
+        } else {
+            state.mode = .notSupported
+        }
+    }
+    
+    private func linkMobileDevice() {
+        state.mode = .readyToLink(isGeneratingCode: true)
+        
+        // TODO: Generate a QR code.
+        
+        actionsSubject.send(.linkMobileDevice)
+    }
+}