Merge pull request #7078 from vector-im/andy/large_backups

Import progress for room keys

Riot/Modules/Settings/Security/SecureBackup/SettingsSecureBackupTableViewSection.swift

@@ -140,8 +140,20 @@ private enum BackupRows {
                     .info(text: infoText),
                     .createSecureBackupAction
                 ]
-            case .keyBackup(let keyBackupVersion, _, _),
+            case .keyBackup(let keyBackupVersion, _, let progress):
-                 .keyBackupNotTrusted(let keyBackupVersion, _):     // Manage the key backup in the same way for the moment
+                if let progress = progress {
+                    backupRows = [
+                        .info(text: importProgressText(for: progress)),
+                        .deleteKeyBackupAction(keyBackupVersion: keyBackupVersion)
+                    ]
+                } else {
+                    backupRows = [
+                        .info(text: VectorL10n.securitySettingsSecureBackupInfoValid),
+                        .restoreFromKeyBackupAction(keyBackupVersion: keyBackupVersion, title: VectorL10n.securitySettingsSecureBackupRestore),
+                        .deleteKeyBackupAction(keyBackupVersion: keyBackupVersion)
+                    ]
+                }
+            case .keyBackupNotTrusted(let keyBackupVersion, _):
                 backupRows = [
                     .info(text: VectorL10n.securitySettingsSecureBackupInfoValid),
                     .restoreFromKeyBackupAction(keyBackupVersion: keyBackupVersion, title: VectorL10n.securitySettingsSecureBackupRestore),
@@ -160,8 +172,22 @@ private enum BackupRows {
                     .createKeyBackupAction,
                     .resetSecureBackupAction
                 ]
-            case .keyBackup(let keyBackupVersion, _, _),
+            case .keyBackup(let keyBackupVersion, _, let progress):
-                 .keyBackupNotTrusted(let keyBackupVersion, _):     // Manage the key backup in the same way for the moment
+                if let progress = progress {
+                    backupRows = [
+                        .info(text: importProgressText(for: progress)),
+                        .deleteKeyBackupAction(keyBackupVersion: keyBackupVersion),
+                        .resetSecureBackupAction
+                    ]
+                } else {
+                    backupRows = [
+                        .info(text: VectorL10n.securitySettingsSecureBackupInfoValid),
+                        .restoreFromKeyBackupAction(keyBackupVersion: keyBackupVersion, title: VectorL10n.securitySettingsSecureBackupRestore),
+                        .deleteKeyBackupAction(keyBackupVersion: keyBackupVersion),
+                        .resetSecureBackupAction
+                    ]
+                }
+            case .keyBackupNotTrusted(let keyBackupVersion, _):
                 backupRows = [
                     .info(text: VectorL10n.securitySettingsSecureBackupInfoValid),
                     .restoreFromKeyBackupAction(keyBackupVersion: keyBackupVersion, title: VectorL10n.securitySettingsSecureBackupRestore),
@@ -172,6 +198,11 @@ private enum BackupRows {
         }
         self.backupRows = backupRows
     }
+    
+    private func importProgressText(for progress: Progress) -> String {
+        let percentage = Int(round(progress.fractionCompleted * 100))
+        return VectorL10n.keyBackupRecoverFromPrivateKeyInfo + " \(percentage)%"
+    }
 
     // MARK: - Cells -
     

Riot/Modules/Settings/Security/SecureBackup/SettingsSecureBackupViewModel.swift

@@ -24,6 +24,7 @@ final class SettingsSecureBackupViewModel: SettingsSecureBackupViewModelType {
     // MARK: Private
     private let recoveryService: MXRecoveryService
     private let keyBackup: MXKeyBackup
+    private var progressUpdateTimer: Timer?
 
     init(recoveryService: MXRecoveryService, keyBackup: MXKeyBackup) {
         self.recoveryService = recoveryService
@@ -106,17 +107,13 @@ final class SettingsSecureBackupViewModel: SettingsSecureBackupViewModelType {
             guard let keyBackupVersion = self.keyBackup.keyBackupVersion, let keyBackupVersionTrust = keyBackupVersionTrust else {
                 return
             }
-
+            
-            // Get the backup progress before updating the state
+            let importProgress = keyBackup.importProgress
-            self.keyBackup.backupProgress { [weak self] (progress) in
+            let keyBackupState: SettingsSecureBackupViewState.KeyBackupState = .keyBackup(keyBackupVersion, keyBackupVersionTrust, importProgress)
-                guard let self = self else {
+            let viewState: SettingsSecureBackupViewState = self.recoveryService.hasRecovery() ? .secureBackup(keyBackupState) : .noSecureBackup(keyBackupState)
-                    return
+            self.viewDelegate?.settingsSecureBackupViewModel(self, didUpdateViewState: viewState)
-                }
+            scheduleProgressUpdateIfNecessary(keyBackupVersionTrust: keyBackupVersionTrust, progress: importProgress)
-                
+            
-                let keyBackupState: SettingsSecureBackupViewState.KeyBackupState = .keyBackup(keyBackupVersion, keyBackupVersionTrust, progress)
-                let viewState: SettingsSecureBackupViewState = self.recoveryService.hasRecovery() ? .secureBackup(keyBackupState) : .noSecureBackup(keyBackupState)
-                self.viewDelegate?.settingsSecureBackupViewModel(self, didUpdateViewState: viewState)
-            }
         default:
             break
         }
@@ -130,6 +127,17 @@ final class SettingsSecureBackupViewModel: SettingsSecureBackupViewModelType {
             self.viewDelegate?.settingsSecureBackupViewModel(self, didUpdateViewState: viewState)
         }
     }
+    
+    private func scheduleProgressUpdateIfNecessary(keyBackupVersionTrust: MXKeyBackupVersionTrust, progress: Progress?) {
+        if progress != nil {
+            progressUpdateTimer = Timer.scheduledTimer(withTimeInterval: 1, repeats: false) { [weak self] _ in
+                self?.computeState(withBackupVersionTrust: keyBackupVersionTrust)
+            }
+        } else {
+            progressUpdateTimer?.invalidate()
+            progressUpdateTimer = nil
+        }
+    }
 
     private func deleteKeyBackupVersion(_ keyBackupVersion: MXKeyBackupVersion) {
         guard let keyBackupVersionVersion = keyBackupVersion.version  else {

Riot/Modules/Settings/Security/SecureBackup/SettingsSecureBackupViewState.swift

@@ -35,7 +35,7 @@ enum SettingsSecureBackupViewState {
     /// - keyBackupNotTrusted: There is a backup on the homeserver but it is not trusted
     enum KeyBackupState {
         case noKeyBackup
-        case keyBackup(MXKeyBackupVersion, MXKeyBackupVersionTrust, Progress)
+        case keyBackup(MXKeyBackupVersion, MXKeyBackupVersionTrust, Progress?)
         case keyBackupNotTrusted(MXKeyBackupVersion, MXKeyBackupVersionTrust)
     }
 }

Riot/Modules/Settings/Security/SecurityViewController.m

@@ -1218,9 +1218,9 @@ TableViewSectionsDelegate>
         cell = [secureBackupSection cellForRowAtRow:rowTag];
     }
 #ifdef CROSS_SIGNING_AND_BACKUP_DEV
-    else if (section == SECTION_KEYBACKUP)
+    else if (sectionTag == SECTION_KEYBACKUP)
     {
-        cell = [keyBackupSection cellForRowAtRow:row];
+        cell = [keyBackupSection cellForRowAtRow:rowTag];
     }
 #endif
     else if (sectionTag == SECTION_CROSSSIGNING)

changelog.d/pr-7078.change

@@ -0,0 +1 @@
+CryptoV2: Import progress for room keys