set up map sdk and reusable map view component (#1062)

* added map sdk with basic permission and static view

* add location annotation

* create dedicate service for MapTiler URLs

* manage error for MapLibre component

* add error to new Alert item

ElementX/Sources/Screens/LocationSharing/LocationSharingScreenModels.swift

@@ -0,0 +1,45 @@
+//
+// Copyright 2023 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
+
+enum LocationSharingViewError: Error {
+    case failedSharingLocation
+    case mapError(MapLibreError)
+}
+
+enum StaticLocationScreenViewModelAction { }
+
+struct StaticLocationScreenViewState: BindableState {
+    var bindings = StaticLocationScreenBindings()
+}
+
+struct StaticLocationScreenBindings {
+    /// Information describing the currently displayed alert.
+    var mapError: MapLibreError? {
+        get {
+            errorAlert?.error as? MapLibreError
+        }
+        set {
+            errorAlert = newValue.map { ErrorAlertItem(error: $0) }
+        }
+    }
+    
+    /// Information describing the currently displayed alert.
+    var errorAlert: ErrorAlertItem?
+}
+
+enum StaticLocationScreenViewAction { }

ElementX/Sources/Screens/LocationSharing/StaticLocationScreenCoordinator.swift

@@ -0,0 +1,39 @@
+//
+// Copyright 2023 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 Combine
+import SwiftUI
+
+struct StaticLocationScreenCoordinatorParameters { }
+
+enum StaticLocationScreenCoordinatorAction { }
+
+final class StaticLocationScreenCoordinator: CoordinatorProtocol {
+    let parameters: StaticLocationScreenCoordinatorParameters
+    let viewModel: StaticLocationScreenViewModelProtocol
+    
+    init(parameters: StaticLocationScreenCoordinatorParameters) {
+        self.parameters = parameters
+        
+        viewModel = StaticLocationScreenViewModel()
+    }
+    
+    // MARK: - Public
+    
+    func toPresentable() -> AnyView {
+        AnyView(StaticLocationScreen(context: viewModel.context))
+    }
+}

ElementX/Sources/Screens/LocationSharing/StaticLocationScreenViewModel.swift

@@ -0,0 +1,32 @@
+//
+// Copyright 2023 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 Combine
+import Foundation
+
+typealias StaticLocationScreenViewModelType = StateStoreViewModel<StaticLocationScreenViewState, StaticLocationScreenViewModelAction>
+
+class StaticLocationScreenViewModel: StaticLocationScreenViewModelType, StaticLocationScreenViewModelProtocol {
+    private let actionsSubject: PassthroughSubject<StaticLocationScreenViewModelAction, Never> = .init()
+    
+    var actions: AnyPublisher<StaticLocationScreenViewModelAction, Never> {
+        actionsSubject.eraseToAnyPublisher()
+    }
+    
+    init() {
+        super.init(initialViewState: StaticLocationScreenViewState())
+    }
+}

ElementX/Sources/Screens/LocationSharing/StaticLocationScreenViewModelProtocol.swift

@@ -0,0 +1,23 @@
+//
+// Copyright 2023 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 Combine
+
+@MainActor
+protocol StaticLocationScreenViewModelProtocol {
+    var actions: AnyPublisher<StaticLocationScreenViewModelAction, Never> { get }
+    var context: StaticLocationScreenViewModelType.Context { get }
+}

ElementX/Sources/Screens/LocationSharing/View/StaticLocationScreen.swift

@@ -0,0 +1,53 @@
+//
+// Copyright 2023 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 SwiftUI
+
+struct StaticLocationScreen: View {
+    @ObservedObject var context: StaticLocationScreenViewModel.Context
+    
+    private let builder = MapTilerStyleBuilder(appSettings: ServiceLocator.shared.settings)
+    
+    var body: some View {
+        NavigationView {
+            mapView
+                .ignoresSafeArea(.all, edges: [.bottom])
+                .navigationBarTitleDisplayMode(.inline)
+                .errorAlert(item: $context.errorAlert)
+        }
+    }
+    
+    var mapView: MapLibreMapView {
+        MapLibreMapView(builder: builder,
+                        showsUserLocationMode: .follow,
+                        error: $context.mapError)
+    }
+}
+
+// MARK: - Previews
+
+struct StaticLocationScreenViewer_Previews: PreviewProvider {
+    static let viewModel = {
+        let viewModel = StaticLocationScreenViewModel()
+        return viewModel
+    }()
+    
+    static var previews: some View {
+        NavigationView {
+            StaticLocationScreen(context: viewModel.context)
+        }
+    }
+}