Media gallery - part 1(#3588)

* Introduce a `MediaEventsTimelineFlowCoordinator`
* Update SDK API and architecture
* Add a feature flag, add translations
* Move the media events timeline presentation under the room flow coordinator state machine
* Rename `TimelineViewState.timelineViewState` of type `TimelineState` to `timelineState`
* Enabled SwiftLint's `trailing_closure` rule and fix the warnings.

ElementX/Sources/Screens/RoomDetailsScreen/RoomDetailsScreenCoordinator.swift

@@ -29,6 +29,7 @@ enum RoomDetailsScreenCoordinatorAction {
     case presentRolesAndPermissionsScreen
     case presentCall
     case presentPinnedEventsTimeline
+    case presentMediaEventsTimeline
     case presentKnockingRequestsListScreen
 }
 
@@ -80,6 +81,8 @@ final class RoomDetailsScreenCoordinator: CoordinatorProtocol {
                     actionsSubject.send(.presentCall)
                 case .displayPinnedEventsTimeline:
                     actionsSubject.send(.presentPinnedEventsTimeline)
+                case .displayMediaEventsTimeline:
+                    actionsSubject.send(.presentMediaEventsTimeline)
                 case .displayKnockingRequests:
                     actionsSubject.send(.presentKnockingRequestsListScreen)
                 }

ElementX/Sources/Screens/RoomDetailsScreen/RoomDetailsScreenModels.swift

@@ -22,6 +22,7 @@ enum RoomDetailsScreenViewModelAction {
     case requestRolesAndPermissionsPresentation
     case startCall
     case displayPinnedEventsTimeline
+    case displayMediaEventsTimeline
     case displayKnockingRequests
 }
 
@@ -48,13 +49,15 @@ struct RoomDetailsScreenViewState: BindableState {
     var notificationSettingsState: RoomDetailsNotificationSettingsState = .loading
     var canJoinCall = false
     var pinnedEventsActionState = RoomDetailsScreenPinnedEventsActionState.loading
+    
     var knockingEnabled = false
     var isKnockableRoom = false
-    
     var canSeeKnockingRequests: Bool {
         knockingEnabled && dmRecipient == nil && isKnockableRoom && (canInviteUsers || canKickUsers || canBanUsers)
     }
     
+    var mediaBrowserEnabled = false
+    
     var canEdit: Bool {
         !isDirect && (canEditRoomName || canEditRoomTopic || canEditRoomAvatar)
     }
@@ -197,6 +200,7 @@ enum RoomDetailsScreenViewAction {
     case processTapRolesAndPermissions
     case processTapCall
     case processTapPinnedEvents
+    case processTapMediaEvents
     case processTapRequestsToJoin
 }
 

ElementX/Sources/Screens/RoomDetailsScreen/RoomDetailsScreenViewModel.swift

@@ -79,6 +79,10 @@ class RoomDetailsScreenViewModel: RoomDetailsScreenViewModelType, RoomDetailsScr
             .weakAssign(to: \.state.knockingEnabled, on: self)
             .store(in: &cancellables)
         
+        appSettings.$mediaBrowserEnabled
+            .weakAssign(to: \.state.mediaBrowserEnabled, on: self)
+            .store(in: &cancellables)
+        
         appMediator.networkMonitor.reachabilityPublisher
             .filter { $0 == .reachable }
             .receive(on: DispatchQueue.main)
@@ -164,6 +168,8 @@ class RoomDetailsScreenViewModel: RoomDetailsScreenViewModelType, RoomDetailsScr
         case .processTapPinnedEvents:
             analyticsService.trackInteraction(name: .PinnedMessageRoomInfoButton)
             actionsSubject.send(.displayPinnedEventsTimeline)
+        case .processTapMediaEvents:
+            actionsSubject.send(.displayMediaEventsTimeline)
         case .processTapRequestsToJoin:
             actionsSubject.send(.displayKnockingRequests)
         }
@@ -207,8 +213,8 @@ class RoomDetailsScreenViewModel: RoomDetailsScreenViewModelType, RoomDetailsScr
             .receive(on: DispatchQueue.main)
             .sink { [weak self, ownUserID = roomProxy.ownUserID] members in
                 guard let self else { return }
-                let accountOwner = members.first(where: { $0.userID == ownUserID })
-                let dmRecipient = members.first(where: { $0.userID != ownUserID })
+                let accountOwner = members.first { $0.userID == ownUserID }
+                let dmRecipient = members.first { $0.userID != ownUserID }
                 self.dmRecipient = dmRecipient
                 self.state.dmRecipient = dmRecipient.map(RoomMemberDetails.init(withProxy:))
                 self.state.accountOwner = accountOwner.map(RoomMemberDetails.init(withProxy:))

ElementX/Sources/Screens/RoomDetailsScreen/View/RoomDetailsScreen.swift

@@ -164,9 +164,9 @@ struct RoomDetailsScreen: View {
             ListRow(label: .default(title: L10n.screenRoomDetailsPinnedEventsRowTitle,
                                     icon: \.pin),
                     details: context.viewState.pinnedEventsActionState.isLoading ? .isWaiting(true) : .title(context.viewState.pinnedEventsActionState.count),
-                    kind: context.viewState.pinnedEventsActionState.isLoading ? .label : .navigationLink(action: {
+                    kind: context.viewState.pinnedEventsActionState.isLoading ? .label : .navigationLink {
                         context.send(viewAction: .processTapPinnedEvents)
-                    }))
+                    })
                     .disabled(context.viewState.pinnedEventsActionState.isLoading)
             
             if context.viewState.canSeeKnockingRequests {
@@ -184,6 +184,13 @@ struct RoomDetailsScreen: View {
                         context.send(viewAction: .processTapPolls)
                     })
                     .accessibilityIdentifier(A11yIdentifiers.roomDetailsScreen.pollsHistory)
+            
+            if context.viewState.mediaBrowserEnabled {
+                ListRow(label: .default(title: L10n.screenMediaBrowserTitle, icon: \.image),
+                        kind: .navigationLink {
+                            context.send(viewAction: .processTapMediaEvents)
+                        })
+            }
         }
     }