SP2: Adding Rooms to Spaces element-ios#5230

- Implemented designs with new & existing tabs in a bottom sheet
- Replaced rough edge warnings from space panel overflow with working journeys

RiotSwiftUI/Modules/Spaces/MatrixItemChooser/MatrixItemChooserModels.swift

@@ -0,0 +1,68 @@
+// 
+// Copyright 2021 New Vector Ltd
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+import Foundation
+
+// MARK: - Coordinator
+
+enum MatrixItemChooserType {
+    case room
+    case people
+}
+
+// MARK: View model
+
+enum MatrixItemChooserStateAction {
+    case loadingState(Bool)
+    case updateError(Error?)
+    case updateItems([MatrixListItemData])
+    case updateSelection(Set<String>)
+}
+
+enum MatrixItemChooserViewModelResult {
+    case cancel
+    case done([String])
+    case back
+}
+
+// MARK: View
+
+struct MatrixListItemData {
+    let id: String
+    let avatar: AvatarInput
+    let displayName: String?
+    let detailText: String?
+}
+
+extension MatrixListItemData: Identifiable, Equatable {}
+
+struct MatrixItemChooserViewState: BindableState {
+    var title: String?
+    var message: String?
+    var emptyListMessage: String
+    var items: [MatrixListItemData]
+    var selectedItemIds: Set<String>
+    var loading: Bool
+    var error: String?
+}
+
+enum MatrixItemChooserViewAction {
+    case searchTextChanged(String)
+    case itemTapped(_ itemId: String)
+    case done
+    case cancel
+    case back
+}