Add RoomMessageBubbleBackgroundView.

2026-04-22 17:42:45 +02:00 · 2022-01-14 09:58:55 +01:00
parent 58688aad31
commit 050c5dd7f0
1 changed files with 74 additions and 0 deletions
@@ -0,0 +1,74 @@
+// 
+// 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
+
+class RoomMessageBubbleBackgroundView: UIView {
+    
+    // MARK: - Constant
+    
+    private enum Constants {
+        static let cornerRadius: CGFloat = 12.0
+    }
+    
+    // MARK: - Properties
+    
+    private var heightConstraint: NSLayoutConstraint?
+    
+    // MARK: - Setup
+    
+    convenience init() {
+        self.init(frame: CGRect.zero)
+    }
+    
+    override init(frame: CGRect) {
+        super.init(frame: frame)
+        self.commonInit()
+    }
+    
+    required init?(coder: NSCoder) {
+        super.init(coder: coder)
+        self.commonInit()
+    }
+    
+    private func commonInit() {
+        self.translatesAutoresizingMaskIntoConstraints = false
+        self.layer.masksToBounds = true
+        self.layer.cornerRadius = Constants.cornerRadius
+    }
+    
+    // MARK: - Public
+    
+    @discardableResult
+    func updateHeight(_ height: CGFloat) -> Bool {
+        if let heightConstraint = self.heightConstraint {
+            
+            guard heightConstraint.constant != height else {
+                return false
+            }
+            
+            heightConstraint.constant = height
+            
+            return true
+        } else {
+            let heightConstraint = self.heightAnchor.constraint(equalToConstant: height)
+            heightConstraint.isActive = true
+            self.heightConstraint = heightConstraint
+            
+            return true
+        }
+    }
+}