Refactor PasscodeUI

2025-12-22 22:25:57 +00:00 · 2019-08-13 02:24:18 +03:00
parent a9ad5691f5
commit be0473cf85
25 changed files with 722 additions and 180 deletions
--- a/submodules/PasscodeUI/Sources/PasscodeEntryLabelNode.swift
+++ b/submodules/PasscodeUI/Sources/PasscodeEntryLabelNode.swift
@@ -0,0 +1,89 @@
+import Foundation
+import UIKit
+import AsyncDisplayKit
+import Display
+
+enum PasscodeEntryTitleAnimation {
+    case none
+    case slideIn
+    case crossFade
+}
+
+final class PasscodeEntryLabelNode: ASDisplayNode {
+    private let wrapperNode: ASDisplayNode
+    private let textNode: ASTextNode
+    
+    private var validLayout: ContainerViewLayout?
+    
+    override init() {
+        self.wrapperNode = ASDisplayNode()
+        self.wrapperNode.clipsToBounds = true
+        
+        self.textNode = ASTextNode()
+        self.textNode.isLayerBacked = false
+        
+        super.init()
+        
+        self.addSubnode(self.wrapperNode)
+        self.wrapperNode.addSubnode(self.textNode)
+    }
+    
+    func setAttributedText(_ text: NSAttributedString, animation: PasscodeEntryTitleAnimation = .none, completion: @escaping () -> Void = {}) {
+        switch animation {
+            case .none:
+                self.textNode.attributedText = text
+                completion()
+            
+                if let validLayout = self.validLayout {
+                    let _ = self.updateLayout(layout: validLayout, transition: .immediate)
+                }
+            case .slideIn:
+                self.textNode.attributedText = text
+                if let validLayout = self.validLayout {
+                    let _ = self.updateLayout(layout: validLayout, transition: .immediate)
+                }
+            
+                let offset = self.wrapperNode.bounds.width / 2.0
+                self.wrapperNode.layer.animatePosition(from: CGPoint(x: -offset, y: 0.0), to: CGPoint(), duration: 0.45, additive: true)
+                self.textNode.layer.animatePosition(from: CGPoint(x: offset * 2.0, y: 0.0), to: CGPoint(), duration: 0.45, additive: true, completion: { _ in
+                    completion()
+                })
+                self.textNode.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.25)
+            case .crossFade:
+                if let snapshotView = self.textNode.view.snapshotContentTree() {
+                    snapshotView.frame = self.textNode.frame
+                    self.textNode.view.superview?.insertSubview(snapshotView, aboveSubview: self.textNode.view)
+                    self.textNode.alpha = 0.0
+                    snapshotView.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.3, removeOnCompletion: false, completion: { [weak snapshotView] _ in
+                        snapshotView?.removeFromSuperview()
+                        self.textNode.attributedText = text
+                        self.textNode.alpha = 1.0
+                        self.textNode.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.3, completion: { _ in
+                            completion()
+                        })
+                        if let validLayout = self.validLayout {
+                            let _ = self.updateLayout(layout: validLayout, transition: .immediate)
+                        }
+                    })
+                } else {
+                    self.textNode.attributedText = text
+                    self.textNode.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.3)
+                    completion()
+                    if let validLayout = self.validLayout {
+                        let _ = self.updateLayout(layout: validLayout, transition: .immediate)
+                    }
+                }
+        }
+    }
+    
+    func updateLayout(layout: ContainerViewLayout, transition: ContainedViewLayoutTransition) -> CGSize {
+        self.validLayout = layout
+        
+        let textSize = self.textNode.measure(layout.size)
+        let textFrame = CGRect(x: floor((layout.size.width - textSize.width) / 2.0), y: 0.0, width: textSize.width, height: textSize.height)
+        transition.updateFrame(node: self.wrapperNode, frame: textFrame)
+        transition.updateFrame(node: self.textNode, frame: CGRect(origin: CGPoint(), size: textSize))
+        
+        return CGSize(width: layout.size.width, height: 25.0)
+    }
+}