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/*
* Copyright (c) 2014-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*
*/
import Foundation
import UIKit
import ComponentKit
// MARK: ComponentView
/// `ComponentView` is the `View` based `Component` primitive. Will become a leaf component.
/// As opposed to `Component`, it has the benefit to being a value type.
public struct ComponentView<UIViewType: UIView> : View, ViewAttributeAssignable {
public init() { }
public typealias AttributeBuilder = ViewConfigurationAttributeBuilder<UIViewType>
public init(@AttributeBuilder attributes: () -> [AttributeBuilder.Directive]) {
consume(attributes)
}
// MARK: ViewAttributeAssignable
public var attributes: [ViewConfiguration.Attribute<UIViewType>] = []
public var layerAttributes: [ViewConfiguration.LayerAttribute] = []
// MARK: ComponentInflatable
public func inflateComponent(with model: SwiftComponentModel?) -> Component {
if let model = model, model.isEmpty == false {
return CKSwiftComponent(
swiftView: viewConfiguration.viewConfiguration,
swiftSize: nil,
child: nil,
model: model.toSwiftBridge()
)
} else {
return Component(view: viewConfiguration)
}
}
}
/// `WrapperComponentView` is the `View` based `CompositeComponent` primitive.
/// As opposed to `CompositeComponent`, it has the benefit to being a value type.
public struct WrapperComponentView<UIViewType: UIView> : View, ViewAttributeAssignable {
let component: () -> Component
public typealias AttributeBuilder = ViewConfigurationAttributeBuilder<UIViewType>
public init(
@AttributeBuilder attributes: () -> [AttributeBuilder.Directive],
@ComponentBuilder component: @escaping () -> Component) {
self.component = component
consume(attributes)
}
// MARK: ViewAttributeAssignable
public var attributes: [ViewConfiguration.Attribute<UIViewType>] = []
public var layerAttributes: [ViewConfiguration.LayerAttribute] = []
// MARK: ComponentInflatable
public func inflateComponent(with model: SwiftComponentModel?) -> Component {
if let model = model, model.isEmpty == false {
return CKSwiftComponent(
swiftView: viewConfiguration.viewConfiguration,
swiftSize: nil,
child: self.component(),
model: model.toSwiftBridge()
)
} else {
return CompositeComponent(
view: viewConfiguration,
component: self.component())
}
}
}
fileprivate extension ViewAttributeAssignable {
mutating func consume(_ attributes: () -> [ViewConfigurationAttributeBuilder<UIViewType>.Directive]) {
attributes()
.forEach {
switch $0 {
case let .attribute(attribute):
self.attributes.append(attribute)
case let .layerAttribute(attribute):
self.layerAttributes.append(attribute)
}
}
}
}