Create ThreadSummaryView

2026-04-22 01:22:46 +02:00 · 2021-11-09 16:50:02 +03:00
parent aee29cc1e0
commit 7a9770eb51
3 changed files with 203 additions and 2 deletions
@@ -0,0 +1,110 @@
+// 
+// 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
+import Reusable
+
+@objc
+protocol ThreadSummaryViewDelegate: AnyObject {
+    func tappedThreadSummaryView(_ summaryView: ThreadSummaryView, for thread: MXThread)
+}
+
+/// A view to display a summary for an `MXThread` generated by the `MXThreadingService`.
+@objcMembers
+class ThreadSummaryView: UIView {
+    
+    private enum Constants {
+        static let viewHeight: CGFloat = 32
+        static let cornerRadius: CGFloat = 4
+    }
+    
+    @IBOutlet private weak var iconView: UIImageView!
+    @IBOutlet private weak var numberOfRepliesLabel: UILabel!
+    @IBOutlet private weak var lastMessageAvatarView: UserAvatarView!
+    @IBOutlet private weak var lastMessageContentLabel: UILabel!
+    
+    private(set) var thread: MXThread! {
+        didSet {
+            configure()
+        }
+    }
+    
+    weak var delegate: ThreadSummaryViewDelegate?
+    
+    // MARK: - Setup
+    
+    static func instantiate(withThread thread: MXThread) -> ThreadSummaryView {
+        let view = ThreadSummaryView.loadFromNib()
+        view.thread = thread
+        view.update(theme: ThemeService.shared().theme)
+        view.translatesAutoresizingMaskIntoConstraints = false
+        return view
+    }
+    
+    static func contentViewHeight(forThread thread: MXThread, fitting maxWidth: CGFloat) -> CGFloat {
+        return Constants.viewHeight
+    }
+    
+    private func configure() {
+        clipsToBounds = true
+        layer.cornerRadius = Constants.cornerRadius
+        
+        guard let thread = thread else { return }
+        numberOfRepliesLabel.text = String(thread.numberOfReplies)
+        guard let lastMessage = thread.lastMessage else {
+            lastMessageAvatarView.avatarImageView.image = nil
+            lastMessageContentLabel.text = nil
+            return
+        }
+        guard let session = thread.session else { return }
+        let lastMessageSender = session.user(withUserId: lastMessage.sender)
+        
+        let fallbackImage = AvatarFallbackImage.matrixItem(lastMessage.sender,
+                                                           lastMessageSender?.displayname)
+        let avatarViewData = AvatarViewData(matrixItemId: lastMessage.sender,
+                                            displayName: lastMessageSender?.displayname,
+                                            avatarUrl: lastMessageSender?.avatarUrl,
+                                            mediaManager: session.mediaManager,
+                                            fallbackImage: fallbackImage)
+        lastMessageAvatarView.fill(with: avatarViewData)
+        
+        guard let eventFormatter = session.roomSummaryUpdateDelegate as? MXKEventFormatter,
+              let room = session.room(withRoomId: lastMessage.roomId) else {
+            return
+        }
+        
+        room.state { [weak self] roomState in
+            guard let self = self else { return }
+            let formatterError = UnsafeMutablePointer<MXKEventFormatterError>.allocate(capacity: 1)
+            self.lastMessageContentLabel.text = eventFormatter.string(from: lastMessage, with: roomState, error: formatterError)
+        }
+    }
+    
+    // MARK: - Action
+    
+}
+
+extension ThreadSummaryView: NibLoadable {}
+
+extension ThreadSummaryView: Themable {
+    
+    func update(theme: Theme) {
+        backgroundColor = theme.colors.system
+        numberOfRepliesLabel.textColor = theme.colors.secondaryContent
+        lastMessageContentLabel.textColor = theme.colors.secondaryContent
+    }
+    
+}