RxSwift/RxCocoa/iOS/UITabBar+Rx.swift

120 lines
3.3 KiB
Swift

//
// UITabBar+Rx.swift
// Rx
//
// Created by Jesse Farless on 5/13/16.
// Copyright © 2016 Krunoslav Zaher. All rights reserved.
//
#if os(iOS) || os(tvOS)
import Foundation
import UIKit
#if !RX_NO_MODULE
import RxSwift
#endif
/**
iOS only
*/
#if os(iOS)
extension Reactive where Base: UITabBar {
/**
Reactive wrapper for `delegate` message `tabBar:willBeginCustomizingItems:`.
*/
public var willBeginCustomizing: ControlEvent<[UITabBarItem]> {
let source = delegate.observe(#selector(UITabBarDelegate.tabBar(_:willBeginCustomizing:)))
.map { a in
return try castOrThrow([UITabBarItem].self, a[1])
}
return ControlEvent(events: source)
}
/**
Reactive wrapper for `delegate` message `tabBar:didBeginCustomizingItems:`.
*/
public var didBeginCustomizing: ControlEvent<[UITabBarItem]> {
let source = delegate.observe(#selector(UITabBarDelegate.tabBar(_:didBeginCustomizing:)))
.map { a in
return try castOrThrow([UITabBarItem].self, a[1])
}
return ControlEvent(events: source)
}
/**
Reactive wrapper for `delegate` message `tabBar:willEndCustomizingItems:changed:`.
*/
public var willEndCustomizing: ControlEvent<([UITabBarItem], Bool)> {
let source = delegate.observe(#selector(UITabBarDelegate.tabBar(_:willEndCustomizing:changed:)))
.map { (a: [AnyObject]) -> (([UITabBarItem], Bool)) in
let items = try castOrThrow([UITabBarItem].self, a[1])
let changed = try castOrThrow(Bool.self, a[2])
return (items, changed)
}
return ControlEvent(events: source)
}
/**
Reactive wrapper for `delegate` message `tabBar:didEndCustomizingItems:changed:`.
*/
public var didEndCustomizing: ControlEvent<([UITabBarItem], Bool)> {
let source = delegate.observe(#selector(UITabBarDelegate.tabBar(_:didEndCustomizing:changed:)))
.map { (a: [AnyObject]) -> (([UITabBarItem], Bool)) in
let items = try castOrThrow([UITabBarItem].self, a[1])
let changed = try castOrThrow(Bool.self, a[2])
return (items, changed)
}
return ControlEvent(events: source)
}
}
#endif
/**
iOS and tvOS
*/
extension UITabBar {
/**
Factory method that enables subclasses to implement their own `delegate`.
- returns: Instance of delegate proxy that wraps `delegate`.
*/
public func createRxDelegateProxy() -> RxTabBarDelegateProxy {
return RxTabBarDelegateProxy(parentObject: self)
}
}
extension Reactive where Base: UITabBar {
/**
Reactive wrapper for `delegate`.
For more information take a look at `DelegateProxyType` protocol documentation.
*/
public var delegate: DelegateProxy {
return RxTabBarDelegateProxy.proxyForObject(base)
}
/**
Reactive wrapper for `delegate` message `tabBar:didSelectItem:`.
*/
public var didSelectItem: ControlEvent<UITabBarItem> {
let source = delegate.observe(#selector(UITabBarDelegate.tabBar(_:didSelect:)))
.map { a in
return try castOrThrow(UITabBarItem.self, a[1])
}
return ControlEvent(events: source)
}
}
#endif