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Realization updated

This commit is contained in:
Artur 2019-05-20 16:20:45 +03:00
parent 2c2935c892
commit d4fa2d1109
1 changed files with 18 additions and 7 deletions
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25
Sources/Classes/Controllers/BaseScrollContentController.swift
View File

@ -29,18 +29,17 @@ public typealias ScrollViewHolderView = UIView & ScrollViewHolder
open class BaseScrollContentController<ViewModel, View: ScrollViewHolderView>: BaseCustomViewController<ViewModel, View> {
private var bottomInsetDisposable: Disposable?
private let defaultInsetsRelay = BehaviorRelay<UIEdgeInsets>(value: .zero)
/// Bind given driver to bottom inset of scroll view. Takes into account default bottom insets.
///
/// - Parameter bottomInsetDriver: Driver that emits CGFloat bottom inset changes.
public func bindBottomInsetBinding(from bottomInsetDriver: Driver<CGFloat>) {
let contentInsetObservable = customView.scrollView.rx.contentOffset
let bottomInset = contentInsetObservable.map { $0.y }
bottomInsetDisposable = bottomInsetDriver.asObservable()
.withLatestFrom(bottomInset) { $0 + $1 }
.bind(to: customView.scrollView.rx.bottomInsetBinder)
bottomInsetDisposable = bottomInsetDriver
.withLatestFrom(defaultInsetsRelay.asDriver()) {
$0 + $1.bottom
}
.drive(customView.scrollView.rx.bottomInsetBinder)
}
/// Unbind scroll view from previous binding.
@ -52,6 +51,18 @@ open class BaseScrollContentController<ViewModel, View: ScrollViewHolderView>: B
public var scrollView: UIScrollView {
return customView.scrollView
}
/// Default insets used for contained scroll view.
public var defaultInsets: UIEdgeInsets {
get {
return defaultInsetsRelay.value
}
set {
defaultInsetsRelay.accept(newValue)
customView.scrollView.contentInset = newValue
customView.scrollView.scrollIndicatorInsets = newValue
}
}
}
public extension BaseScrollContentController {