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