Add support for showing the native OS incoming call screen when starting new Element Calls

ElementX.xcodeproj/project.pbxproj

@@ -296,6 +296,7 @@
 		4799A852132F1744E2825994 /* CreateRoomViewModelProtocol.swift in Sources */ = {isa = PBXBuildFile; fileRef = 340179A0FC1AD4AEDA7FC134 /* CreateRoomViewModelProtocol.swift */; };
 		47FF70C051A991FB65CDBCF3 /* RoomScreenInteractionHandler.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0135A608FFAD86E6674EE730 /* RoomScreenInteractionHandler.swift */; };
 		4807E8F51DB54F56B25E1C7E /* AppLockSetupSettingsScreenViewModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = 1D8C38663020DF2EB2D13F5E /* AppLockSetupSettingsScreenViewModel.swift */; };
+		48416BBEB8DDF3E4DED0EDB6 /* ElementCallServiceProtocol.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6FC8B21E86B137BE4E91F82A /* ElementCallServiceProtocol.swift */; };
 		484202C5D50983442D24D061 /* AttributedString.swift in Sources */ = {isa = PBXBuildFile; fileRef = 52BD6ED18E2EB61E28C340AD /* AttributedString.swift */; };
 		489BB6A733D3DA0FE7062650 /* IdentityConfirmationScreenViewModelProtocol.swift in Sources */ = {isa = PBXBuildFile; fileRef = 7C71B9802433F1B4252291BB /* IdentityConfirmationScreenViewModelProtocol.swift */; };
 		491D62ACD19E6F134B1766AF /* RoomNotificationSettingsUserDefinedScreen.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3203C6566DC17B7AECC1B7FD /* RoomNotificationSettingsUserDefinedScreen.swift */; };
@@ -361,6 +362,7 @@
 		565868808A1DA565707394ED /* CurrentValuePublisher.swift in Sources */ = {isa = PBXBuildFile; fileRef = 127C8472672A5BA09EF1ACF8 /* CurrentValuePublisher.swift */; };
 		56F0A22972A3BB519DA2261C /* HomeScreenViewModelProtocol.swift in Sources */ = {isa = PBXBuildFile; fileRef = 24F5530B2212862FA4BEFF2D /* HomeScreenViewModelProtocol.swift */; };
 		5710AAB27D5D866292C1FE06 /* SessionVerificationScreenModels.swift in Sources */ = {isa = PBXBuildFile; fileRef = AF848B41DAF1066F3054D4A1 /* SessionVerificationScreenModels.swift */; };
+		5732395A4F71F51F9C754C5A /* ElementCallService.swift in Sources */ = {isa = PBXBuildFile; fileRef = 33AE897D86784CCA5E4E9227 /* ElementCallService.swift */; };
 		5780E444F405AA1304E1C23E /* DeveloperOptionsScreen.swift in Sources */ = {isa = PBXBuildFile; fileRef = 38E521D6C2BF8DF0DFB35146 /* DeveloperOptionsScreen.swift */; };
 		57E115A8C33E599DE564F8C3 /* TimelineView.swift in Sources */ = {isa = PBXBuildFile; fileRef = BDEB27575FEBCF414D4DEE31 /* TimelineView.swift */; };
 		588411C8FD72B2A2DFE5F7DE /* XCUIElement.swift in Sources */ = {isa = PBXBuildFile; fileRef = E992D7B8BE54B2AB454613AF /* XCUIElement.swift */; };
@@ -441,6 +443,7 @@
 		6AECC84BE14A13440120FED8 /* NSESettingsProtocol.swift in Sources */ = {isa = PBXBuildFile; fileRef = 9FB4F169D653296023ED65E6 /* NSESettingsProtocol.swift */; };
 		6B05AA5D9BBCD6D8D63B80EB /* TimelineItemAccessibilityModifier.swift in Sources */ = {isa = PBXBuildFile; fileRef = 74C6F3DAD167F972702C8893 /* TimelineItemAccessibilityModifier.swift */; };
 		6B31508C6334C617360C2EAB /* RoomMemberDetailsViewModelTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = EC589E641AE46EFB2962534D /* RoomMemberDetailsViewModelTests.swift */; };
+		6B67AC7AA41136FC9804C136 /* ElementCallServiceProtocol.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6FC8B21E86B137BE4E91F82A /* ElementCallServiceProtocol.swift */; };
 		6BAD956B909A6E29F6CC6E7C /* ButtonStyle.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8CC23C63849452BC86EA2852 /* ButtonStyle.swift */; };
 		6BB6944443C421C722ED1E7D /* portrait_test_video.mp4 in Resources */ = {isa = PBXBuildFile; fileRef = F2D513D2477B57F90E98EEC0 /* portrait_test_video.mp4 */; };
 		6C34237AFB808E38FC8776B9 /* RoomStateEventStringBuilder.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8D55702474F279D910D2D162 /* RoomStateEventStringBuilder.swift */; };
@@ -1331,6 +1334,7 @@
 		32C5DAA1773F57653BF1C4F9 /* SoftLogoutViewModelTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SoftLogoutViewModelTests.swift; sourceTree = "<group>"; };
 		330AF4D121C3396F7A14B21D /* id */ = {isa = PBXFileReference; lastKnownFileType = text.plist.strings; name = id; path = id.lproj/SAS.strings; sourceTree = "<group>"; };
 		3368395F06AA180138E185B6 /* PollFormScreenUITests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PollFormScreenUITests.swift; sourceTree = "<group>"; };
+		33AE897D86784CCA5E4E9227 /* ElementCallService.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ElementCallService.swift; sourceTree = "<group>"; };
 		33E49C5C6F802B4D94CA78D1 /* ro */ = {isa = PBXFileReference; lastKnownFileType = text.plist.strings; name = ro; path = ro.lproj/Localizable.strings; sourceTree = "<group>"; };
 		340179A0FC1AD4AEDA7FC134 /* CreateRoomViewModelProtocol.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CreateRoomViewModelProtocol.swift; sourceTree = "<group>"; };
 		342BEBC3C5FC3F9943C41C4C /* TemplateScreenViewModelProtocol.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TemplateScreenViewModelProtocol.swift; sourceTree = "<group>"; };
@@ -1558,6 +1562,7 @@
 		6F3DFE5B444F131648066F05 /* StateStoreViewModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = StateStoreViewModel.swift; sourceTree = "<group>"; };
 		6F6E6EDC4BBF962B2ED595A4 /* MessageForwardingScreenViewModelTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MessageForwardingScreenViewModelTests.swift; sourceTree = "<group>"; };
 		6FC5015B9634698BDB8701AF /* it */ = {isa = PBXFileReference; lastKnownFileType = text.plist.stringsdict; name = it; path = it.lproj/Localizable.stringsdict; sourceTree = "<group>"; };
+		6FC8B21E86B137BE4E91F82A /* ElementCallServiceProtocol.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ElementCallServiceProtocol.swift; sourceTree = "<group>"; };
 		7023EB4F3B7C7D1FBA68638B /* TimelineItemDebugView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TimelineItemDebugView.swift; sourceTree = "<group>"; };
 		7061BE2C0BF427C38AEDEF5E /* SecureBackupRecoveryKeyScreenViewModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SecureBackupRecoveryKeyScreenViewModel.swift; sourceTree = "<group>"; };
 		70C86696AC9521F8ED88FBEB /* MediaUploadPreviewScreen.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MediaUploadPreviewScreen.swift; sourceTree = "<group>"; };
@@ -4021,6 +4026,8 @@
 		92E99C57D7F92ED16F73282C /* ElementCall */ = {
 			isa = PBXGroup;
 			children = (
+				33AE897D86784CCA5E4E9227 /* ElementCallService.swift */,
+				6FC8B21E86B137BE4E91F82A /* ElementCallServiceProtocol.swift */,
 				309AD8BAE6437C31BA7157BF /* ElementCallWidgetDriver.swift */,
 				A6C11AD9813045E44F950410 /* ElementCallWidgetDriverProtocol.swift */,
 			);
@@ -5623,6 +5630,7 @@
 				B5618E3C948584E5C1F67033 /* DTHTMLElement+AttributedStringBuilder.swift in Sources */,
 				DFCA89C4EC2A5332ED6B441F /* DataProtectionManager.swift in Sources */,
 				24A75F72EEB7561B82D726FD /* Date.swift in Sources */,
+				6B67AC7AA41136FC9804C136 /* ElementCallServiceProtocol.swift in Sources */,
 				CFEC53440C572CEEABC4A6A0 /* ElementXAttributeScope.swift in Sources */,
 				A33784831AD880A670CAA9F9 /* FileManager.swift in Sources */,
 				59F940FCBE6BC343AECEF75E /* ImageCache.swift in Sources */,
@@ -5972,6 +5980,8 @@
 				2955F4C160CFD7794D819C64 /* EffectsScene.swift in Sources */,
 				AE1160076F663BF14E0E893A /* EffectsView.swift in Sources */,
 				FE4593FC2A02AAF92E089565 /* ElementAnimations.swift in Sources */,
+				5732395A4F71F51F9C754C5A /* ElementCallService.swift in Sources */,
+				48416BBEB8DDF3E4DED0EDB6 /* ElementCallServiceProtocol.swift in Sources */,
 				07CC13C5729C24255348CBBD /* ElementCallWidgetDriver.swift in Sources */,
 				370AF5BFCD4384DD455479B6 /* ElementCallWidgetDriverProtocol.swift in Sources */,
 				7C1A7B594B2F8143F0DD0005 /* ElementXAttributeScope.swift in Sources */,
@@ -7313,7 +7323,7 @@
 			repositoryURL = "https://github.com/element-hq/matrix-rust-components-swift";
 			requirement = {
 				kind = exactVersion;
-				version = 1.0.2;
+				version = 1.0.3;
 			};
 		};
 		701C7BEF8F70F7A83E852DCC /* XCRemoteSwiftPackageReference "GZIP" */ = {

ElementX/Sources/Application/AppCoordinator.swift

@@ -28,6 +28,7 @@ class AppCoordinator: AppCoordinatorProtocol, AuthenticationFlowCoordinatorDeleg
     private let appMediator: AppMediator
     private let appSettings: AppSettings
     private let appDelegate: AppDelegate
+    private let elementCallService: ElementCallServiceProtocol
 
     /// Common background task to continue long-running tasks in the background.
     private var backgroundTask: UIBackgroundTaskIdentifier?
@@ -85,6 +86,8 @@ class AppCoordinator: AppCoordinatorProtocol, AuthenticationFlowCoordinatorDeleg
         self.appSettings = appSettings
         appRouteURLParser = AppRouteURLParser(appSettings: appSettings)
 
+        elementCallService = ElementCallService()
+
         navigationRootCoordinator = NavigationRootCoordinator()
 
         Self.setupServiceLocator(appSettings: appSettings)
@@ -131,6 +134,16 @@ class AppCoordinator: AppCoordinatorProtocol, AuthenticationFlowCoordinatorDeleg
         observeAppLockChanges()
 
         registerBackgroundAppRefresh()
+
+        elementCallService.actions.sink { [weak self] action in
+            switch action {
+            case .answerCall(let roomID):
+                self?.handleAppRoute(.call(roomID: roomID))
+            case .declineCall:
+                break
+            }
+        }
+        .store(in: &cancellables)
     }
 
     func start() {
@@ -482,6 +495,7 @@ class AppCoordinator: AppCoordinatorProtocol, AuthenticationFlowCoordinatorDeleg
                                                                     navigationRootCoordinator: navigationRootCoordinator,
                                                                     appLockService: appLockFlowCoordinator.appLockService,
                                                                     bugReportService: ServiceLocator.shared.bugReportService,
+                                                                    elementCallService: elementCallService,
                                                                     roomTimelineControllerFactory: RoomTimelineControllerFactory(),
                                                                     appMediator: appMediator,
                                                                     appSettings: appSettings,

ElementX/Sources/Application/Navigation/AppRoutes.swift

@@ -44,6 +44,8 @@ enum AppRoute: Equatable {
     case childEventOnRoomAlias(eventID: String, alias: String)
     /// The profile of a matrix user (outside of a room).
     case userProfile(userID: String)
+    /// An Element Call running in a particular room
+    case call(roomID: String)
     /// An Element Call link generated outside of a chat room.
     case genericCallLink(url: URL)
     /// The settings screen.

ElementX/Sources/FlowCoordinators/RoomFlowCoordinator.swift

@@ -168,7 +168,7 @@ class RoomFlowCoordinator: FlowCoordinatorProtocol {
             }
         case .roomAlias, .childRoomAlias, .eventOnRoomAlias, .childEventOnRoomAlias:
             break // These are converted to a room ID route one level above.
-        case .roomList, .userProfile, .genericCallLink, .oidcCallback, .settings, .chatBackupSettings:
+        case .roomList, .userProfile, .call, .genericCallLink, .oidcCallback, .settings, .chatBackupSettings:
             break // These routes can't be handled.
         }
     }

ElementX/Sources/FlowCoordinators/UserSessionFlowCoordinator.swift

@@ -29,6 +29,7 @@ class UserSessionFlowCoordinator: FlowCoordinatorProtocol {
     private let navigationRootCoordinator: NavigationRootCoordinator
     private let navigationSplitCoordinator: NavigationSplitCoordinator
     private let bugReportService: BugReportServiceProtocol
+    private let elementCallService: ElementCallServiceProtocol
     private let appMediator: AppMediatorProtocol
     private let appSettings: AppSettings
     private let analytics: AnalyticsService
@@ -69,6 +70,7 @@ class UserSessionFlowCoordinator: FlowCoordinatorProtocol {
          navigationRootCoordinator: NavigationRootCoordinator,
          appLockService: AppLockServiceProtocol,
          bugReportService: BugReportServiceProtocol,
+         elementCallService: ElementCallServiceProtocol,
          roomTimelineControllerFactory: RoomTimelineControllerFactoryProtocol,
          appMediator: AppMediatorProtocol,
          appSettings: AppSettings,
@@ -79,6 +81,7 @@ class UserSessionFlowCoordinator: FlowCoordinatorProtocol {
         self.userSession = userSession
         self.navigationRootCoordinator = navigationRootCoordinator
         self.bugReportService = bugReportService
+        self.elementCallService = elementCallService
         self.roomTimelineControllerFactory = roomTimelineControllerFactory
         self.appMediator = appMediator
         self.appSettings = appSettings
@@ -247,6 +250,10 @@ class UserSessionFlowCoordinator: FlowCoordinatorProtocol {
 
         case .userProfile(let userID):
             stateMachine.processEvent(.showUserProfileScreen(userID: userID), userInfo: .init(animated: animated))
+        case .call(let roomID):
+            Task {
+                await presentCallScreen(roomID: roomID)
+            }
         case .genericCallLink(let url):
             navigationSplitCoordinator.setSheetCoordinator(GenericCallLinkCoordinator(parameters: .init(url: url)), animated: animated)
         case .settings, .chatBackupSettings:
@@ -537,7 +544,8 @@ class UserSessionFlowCoordinator: FlowCoordinatorProtocol {
     // MARK: Calls
 
     private func presentCallScreen(roomProxy: RoomProxyProtocol) {
-        let callScreenCoordinator = CallScreenCoordinator(parameters: .init(roomProxy: roomProxy,
+        let callScreenCoordinator = CallScreenCoordinator(parameters: .init(elementCallService: elementCallService,
+                                                                            roomProxy: roomProxy,
                                                                             callBaseURL: appSettings.elementCallBaseURL,
                                                                             clientID: InfoPlistReader.main.bundleIdentifier))