Stream improvements

submodules/Components/BundleIconComponent/Sources/BundleIconComponent.swift

@@ -0,0 +1,60 @@
+import Foundation
+import UIKit
+import ComponentFlow
+import AppBundle
+import Display
+
+public final class BundleIconComponent: Component {
+    public let name: String
+    public let tintColor: UIColor?
+    
+    public init(name: String, tintColor: UIColor?) {
+        self.name = name
+        self.tintColor = tintColor
+    }
+    
+    public static func ==(lhs: BundleIconComponent, rhs: BundleIconComponent) -> Bool {
+        if lhs.name != rhs.name {
+            return false
+        }
+        if lhs.tintColor != rhs.tintColor {
+            return false
+        }
+        return false
+    }
+    
+    public final class View: UIImageView {
+        private var component: BundleIconComponent?
+        
+        override init(frame: CGRect) {
+            super.init(frame: frame)
+        }
+        
+        required public init?(coder: NSCoder) {
+            fatalError("init(coder:) has not been implemented")
+        }
+        
+        func update(component: BundleIconComponent, availableSize: CGSize, transition: Transition) -> CGSize {
+            if self.component?.name != component.name || self.component?.tintColor != component.tintColor {
+                if let tintColor = component.tintColor {
+                    self.image = generateTintedImage(image: UIImage(bundleImageName: component.name), color: tintColor, backgroundColor: nil)
+                } else {
+                    self.image = UIImage(bundleImageName: component.name)
+                }
+            }
+            self.component = component
+            
+            let imageSize = self.image?.size ?? CGSize()
+            
+            return CGSize(width: min(imageSize.width, availableSize.width), height: min(imageSize.height, availableSize.height))
+        }
+    }
+    
+    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, transition: transition)
+    }
+}