Stories

submodules/TelegramUI/Components/ToastComponent/Sources/ToastContentComponent.swift

@@ -0,0 +1,106 @@
+import Foundation
+import UIKit
+import Display
+import ComponentFlow
+import ComponentDisplayAdapters
+
+public final class ToastContentComponent: Component {
+    public let icon: AnyComponent<Empty>
+    public let content: AnyComponent<Empty>
+
+    public init(
+        icon: AnyComponent<Empty>,
+        content: AnyComponent<Empty>
+    ) {
+        self.icon = icon
+        self.content = content
+    }
+
+    public static func ==(lhs: ToastContentComponent, rhs: ToastContentComponent) -> Bool {
+        if lhs.icon != rhs.icon {
+            return false
+        }
+        if lhs.content != rhs.content {
+            return false
+        }
+        return true
+    }
+
+    public final class View: UIView {
+        private let backgroundView: BlurredBackgroundView
+        private let icon = ComponentView<Empty>()
+        private let content = ComponentView<Empty>()
+        
+        public var iconView: UIView? {
+            return self.icon.view
+        }
+        
+        public var contentView: UIView? {
+            return self.content.view
+        }
+        
+        override public init(frame: CGRect) {
+            self.backgroundView = BlurredBackgroundView(color: .clear, enableBlur: true)
+            
+            super.init(frame: frame)
+            
+            self.addSubview(self.backgroundView)
+        }
+        
+        required init?(coder: NSCoder) {
+            fatalError("init(coder:) has not been implemented")
+        }
+        
+        func update(component: ToastContentComponent, availableSize: CGSize, state: EmptyComponentState, environment: Environment<Empty>, transition: Transition) -> CGSize {
+            var contentHeight: CGFloat = 0.0
+            
+            let leftInset: CGFloat = 9.0
+            let rightInset: CGFloat = 6.0
+            let verticalInset: CGFloat = 10.0
+            let spacing: CGFloat = 9.0
+            
+            let iconSize = self.icon.update(
+                transition: transition,
+                component: component.icon,
+                environment: {},
+                containerSize: CGSize(width: availableSize.width - leftInset - spacing, height: availableSize.height)
+            )
+            let contentSize = self.content.update(
+                transition: transition,
+                component: component.content,
+                environment: {},
+                containerSize: CGSize(width: availableSize.width - leftInset - rightInset - spacing - iconSize.width, height: availableSize.height)
+            )
+            
+            contentHeight += verticalInset * 2.0 + max(iconSize.height, contentSize.height)
+            
+            if let iconView = self.icon.view {
+                if iconView.superview == nil {
+                    self.addSubview(iconView)
+                }
+                transition.setFrame(view: iconView, frame: CGRect(origin: CGPoint(x: leftInset, y: floor((contentHeight - iconSize.height) * 0.5)), size: iconSize))
+            }
+            if let contentView = self.content.view {
+                if contentView.superview == nil {
+                    self.addSubview(contentView)
+                }
+                transition.setFrame(view: contentView, frame: CGRect(origin: CGPoint(x: leftInset + iconSize.height + spacing, y: floor((contentHeight - contentSize.height) * 0.5)), size: contentSize))
+            }
+            
+            let size = CGSize(width: availableSize.width, height: contentHeight)
+            self.backgroundView.updateColor(color: UIColor(white: 0.0, alpha: 0.7), transition: .immediate)
+            self.backgroundView.update(size: size, cornerRadius: 10.0, transition: transition.containedViewLayoutTransition)
+            transition.setFrame(view: self.backgroundView, frame: CGRect(origin: CGPoint(), size: size))
+            
+            return size
+        }
+    }
+
+    public func makeView() -> View {
+        return View(frame: CGRect())
+    }
+    
+    public func update(view: View, availableSize: CGSize, state: EmptyComponentState, environment: Environment<Empty>, transition: Transition) -> CGSize {
+        return view.update(component: self, availableSize: availableSize, state: state, environment: environment, transition: transition)
+    }
+}