[Spaces] M10.6 Space preview bottom sheet #4497

Riot/Modules/Spaces/SpaceDetail/SpaceDetailPresenter.swift

@@ -0,0 +1,111 @@
+// 
+// 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
+
+/// Presenter for space detail screen
+class SpaceDetailPresenter: NSObject {
+    
+    // MARK: - Constants
+    
+    enum Actions {
+        case exploreRooms
+        case exploreMembers
+    }
+    
+    // MARK: - Properties
+    
+    public weak var delegate: SpaceDetailPresenterDelegate?
+
+    // MARK: Private
+    
+    private weak var presentingViewController: UIViewController?
+    private var viewModel: SpaceDetailViewModel!
+    private weak var sourceView: UIView?
+    private lazy var slidingModalPresenter: SlidingModalPresenter = {
+        return SlidingModalPresenter()
+    }()
+    private weak var selectedSpace: MXSpace?
+    private var session: MXSession!
+    private var spaceId: String!
+
+    // MARK: - Public
+    
+    func present(forSpaceWithId spaceId: String,
+                 from viewController: UIViewController,
+                 sourceView: UIView?,
+                 session: MXSession,
+                 animated: Bool) {
+        self.session = session
+        self.spaceId = spaceId
+        
+        self.viewModel = SpaceDetailViewModel(session: session, spaceId: spaceId)
+        self.viewModel.coordinatorDelegate = self
+        self.presentingViewController = viewController
+        self.sourceView = sourceView
+        self.selectedSpace = session.spaceService.getSpace(withId: spaceId)
+        
+        self.show(with: session)
+    }
+    
+    func dismiss(animated: Bool, completion: (() -> Void)?) {
+        self.presentingViewController?.dismiss(animated: animated, completion: completion)
+    }
+    
+    // MARK: - Private
+    
+    private func show(with session: MXSession) {
+        let viewController = SpaceDetailViewController.instantiate(mediaManager: session.mediaManager, viewModel: self.viewModel)
+        self.present(viewController, animated: true)
+    }
+    
+    private func present(_ viewController: SpaceDetailViewController, animated: Bool) {
+        
+        if UIDevice.current.isPhone {
+            guard let rootViewController = self.presentingViewController else {
+                MXLog.error("[SpaceDetailPresenter] present no rootViewController found")
+                return
+            }
+
+            slidingModalPresenter.present(viewController, from: rootViewController.presentedViewController ?? rootViewController, animated: true, completion: nil)
+        } else {
+            // Configure source view when view controller is presented with a popover
+            viewController.modalPresentationStyle = .popover
+            if let sourceView = self.sourceView, let popoverPresentationController = viewController.popoverPresentationController {
+                popoverPresentationController.sourceView = sourceView
+                popoverPresentationController.sourceRect = sourceView.bounds
+            }
+
+            self.presentingViewController?.present(viewController, animated: animated, completion: nil)
+        }
+    }
+}
+
+// MARK: - SpaceDetailModelViewModelCoordinatorDelegate
+
+extension SpaceDetailPresenter: SpaceDetailModelViewModelCoordinatorDelegate {
+    func spaceDetailViewModelDidCancel(_ viewModel: SpaceDetailViewModelType) {
+        self.dismiss(animated: true, completion: nil)
+    }
+    
+    func spaceDetailViewModelDidDismiss(_ viewModel: SpaceDetailViewModelType) {
+        self.delegate?.spaceDetailPresenterDidComplete(self)
+    }
+}
+
+protocol SpaceDetailPresenterDelegate: AnyObject {
+    func spaceDetailPresenterDidComplete(_ presenter: SpaceDetailPresenter)
+}