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Correct indent and remove unused code
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+154
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‎Example/Podfile.lock

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -53,7 +53,7 @@ SPEC CHECKSUMS:
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ManualLayout: 68ac8cfa6b5f656f7a9fadec3730208b95986880
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ReusableKit: e5f853ad4652e411f96b6119b2488afa12929be6
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RxCocoa: 3f79328fafa3645b34600f37c31e64c73ae3a80e
56-
RxKeyboard: 268e4ed61c03b730c8ca71aa1cb2de40a7848b21
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RxKeyboard: 4f5863f43b4ff0cbb2a20b94688d6b80c8a43c14
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RxRelay: 8d593be109c06ea850df027351beba614b012ffb
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RxSwift: c14e798c59b9f6e9a2df8fd235602e85cc044295
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SnapKit: 97b92857e3df3a0c71833cce143274bf6ef8e5eb

‎Package.swift

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -1,11 +1,11 @@
1-
// swift-tools-version:5.0
1+
// swift-tools-version:5.1
22

33
import PackageDescription
44

55
let package = Package(
66
name: "RxKeyboard",
77
platforms: [
8-
.macOS(.v10_12), .iOS(.v10), .tvOS(.v10), .watchOS(.v3)
8+
.iOS(.v10)
99
],
1010
products: [
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.library(name: "RxKeyboard", targets: ["RxKeyboard"]),

‎RxKeyboard.podspec

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -8,9 +8,9 @@ Pod::Spec.new do |s|
88
s.source = { :git => 'https://github.com/RxSwiftCommunity/RxKeyboard.git',
99
:tag => s.version.to_s }
1010
s.source_files = 'Sources/**/*.swift'
11-
s.frameworks = 'UIKit', 'Foundation'
11+
s.frameworks = 'UIKit'
1212
s.requires_arc = true
13-
s.swift_version = "5.0"
13+
s.swift_version = "5.1"
1414

1515
s.dependency 'RxSwift', '~> 6.0'
1616
s.dependency 'RxCocoa', '~> 6.0'

‎Sources/RxKeyboard/RxKeyboard.swift

Lines changed: 149 additions & 136 deletions
Original file line numberDiff line numberDiff line change
@@ -13,157 +13,170 @@ import RxCocoa
1313
import RxSwift
1414

1515
public protocol RxKeyboardType {
16-
var frame: Driver<CGRect> { get }
17-
var visibleHeight: Driver<CGFloat> { get }
18-
var willShowVisibleHeight: Driver<CGFloat> { get }
19-
var isHidden: Driver<Bool> { get }
16+
var frame: Driver<CGRect> { get }
17+
var visibleHeight: Driver<CGFloat> { get }
18+
var willShowVisibleHeight: Driver<CGFloat> { get }
19+
var isHidden: Driver<Bool> { get }
2020
}
2121

2222
/// RxKeyboard provides a reactive way of observing keyboard frame changes.
2323
public class RxKeyboard: NSObject, RxKeyboardType {
2424

25-
// MARK: Public
26-
27-
/// Get a singleton instance.
28-
public static let instance = RxKeyboard()
29-
30-
/// An observable keyboard frame.
31-
public let frame: Driver<CGRect>
32-
33-
/// An observable visible height of keyboard. Emits keyboard height if the keyboard is visible
34-
/// or `0` if the keyboard is not visible.
35-
public let visibleHeight: Driver<CGFloat>
36-
37-
/// Same with `visibleHeight` but only emits values when keyboard is about to show. This is
38-
/// useful when adjusting scroll view content offset.
39-
public let willShowVisibleHeight: Driver<CGFloat>
40-
41-
/// An observable visibility of keyboard. Emits keyboard visibility
42-
/// when changed keyboard show and hide.
43-
public let isHidden: Driver<Bool>
44-
45-
// MARK: Private
46-
47-
private let disposeBag = DisposeBag()
48-
private let panRecognizer = UIPanGestureRecognizer()
49-
50-
// MARK: Initializing
51-
52-
override init() {
53-
54-
let keyboardWillChangeFrame = UIResponder.keyboardWillChangeFrameNotification
55-
let keyboardWillHide = UIResponder.keyboardWillHideNotification
56-
let keyboardFrameEndKey = UIResponder.keyboardFrameEndUserInfoKey
57-
58-
let defaultFrame = CGRect(
59-
x: 0,
60-
y: UIScreen.main.bounds.height,
61-
width: UIScreen.main.bounds.width,
62-
height: 0
63-
)
64-
let frameVariable = BehaviorRelay<CGRect>(value: defaultFrame)
65-
self.frame = frameVariable.asDriver().distinctUntilChanged()
66-
self.visibleHeight = self.frame.map { UIScreen.main.bounds.height - $0.origin.y }
67-
self.willShowVisibleHeight = self.visibleHeight
68-
.scan((visibleHeight: 0, isShowing: false)) { lastState, newVisibleHeight in
69-
return (visibleHeight: newVisibleHeight, isShowing: lastState.visibleHeight == 0 && newVisibleHeight > 0)
70-
}
71-
.filter { state in state.isShowing }
72-
.map { state in state.visibleHeight }
73-
self.isHidden = self.visibleHeight.map({ $0 == 0.0 }).distinctUntilChanged()
74-
super.init()
75-
76-
// keyboard will change frame
77-
let willChangeFrame = NotificationCenter.default.rx.notification(keyboardWillChangeFrame)
78-
.map { notification -> CGRect in
79-
let rectValue = notification.userInfo?[keyboardFrameEndKey] as? NSValue
80-
return rectValue?.cgRectValue ?? defaultFrame
81-
}
82-
.map { frame -> CGRect in
83-
if frame.origin.y < 0 { // if went to wrong frame
84-
var newFrame = frame
85-
newFrame.origin.y = UIScreen.main.bounds.height - newFrame.height
86-
return newFrame
87-
}
88-
return frame
89-
}
90-
91-
// keyboard will hide
92-
let willHide = NotificationCenter.default.rx.notification(keyboardWillHide)
93-
.map { notification -> CGRect in
94-
let rectValue = notification.userInfo?[keyboardFrameEndKey] as? NSValue
95-
return rectValue?.cgRectValue ?? defaultFrame
96-
}
97-
.map { frame -> CGRect in
98-
if frame.origin.y < 0 { // if went to wrong frame
99-
var newFrame = frame
100-
newFrame.origin.y = UIScreen.main.bounds.height
101-
return newFrame
102-
}
103-
return frame
104-
}
105-
106-
// pan gesture
107-
let didPan = self.panRecognizer.rx.event
108-
.withLatestFrom(frameVariable.asObservable()) { ($0, $1) }
109-
.flatMap { (gestureRecognizer, frame) -> Observable<CGRect> in
110-
guard case .changed = gestureRecognizer.state,
111-
let window = UIApplication.shared.windows.first,
112-
frame.origin.y < UIScreen.main.bounds.height
113-
else { return .empty() }
114-
let origin = gestureRecognizer.location(in: window)
115-
var newFrame = frame
116-
newFrame.origin.y = max(origin.y, UIScreen.main.bounds.height - frame.height)
117-
return .just(newFrame)
118-
}
119-
120-
// merge into single sequence
121-
Observable.of(didPan, willChangeFrame, willHide).merge()
122-
.bind(to: frameVariable)
123-
.disposed(by: self.disposeBag)
124-
125-
// gesture recognizer
126-
self.panRecognizer.delegate = self
127-
128-
UIApplication.rx.didFinishLaunching
129-
.map { _ in () }
130-
.startWith(()) // when RxKeyboard is initialized before UIApplication.window is created
131-
.subscribe(onNext: { _ in
132-
UIApplication.shared.windows.first?.addGestureRecognizer(self.panRecognizer)
133-
})
134-
.disposed(by: self.disposeBag)
135-
}
136-
25+
// MARK: Public
26+
27+
/// Get a singleton instance.
28+
public static let instance = RxKeyboard()
29+
30+
/// An observable keyboard frame.
31+
public let frame: Driver<CGRect>
32+
33+
/// An observable visible height of keyboard. Emits keyboard height if the keyboard is visible
34+
/// or `0` if the keyboard is not visible.
35+
public let visibleHeight: Driver<CGFloat>
36+
37+
/// Same with `visibleHeight` but only emits values when keyboard is about to show. This is
38+
/// useful when adjusting scroll view content offset.
39+
public let willShowVisibleHeight: Driver<CGFloat>
40+
41+
/// An observable visibility of keyboard. Emits keyboard visibility
42+
/// when changed keyboard show and hide.
43+
public let isHidden: Driver<Bool>
44+
45+
// MARK: Private
46+
47+
private let disposeBag = DisposeBag()
48+
private let panRecognizer = UIPanGestureRecognizer()
49+
50+
// MARK: Initializing
51+
52+
override init() {
53+
54+
let defaultFrame = CGRect(
55+
x: .zero,
56+
y: UIScreen.main.bounds.height,
57+
width: UIScreen.main.bounds.width,
58+
height: .zero
59+
)
60+
61+
let frameVariable = BehaviorRelay<CGRect>(value: defaultFrame)
62+
63+
frame = frameVariable.asDriver().distinctUntilChanged()
64+
visibleHeight = frame.map { UIScreen.main.bounds.height - $0.origin.y }
65+
66+
willShowVisibleHeight = visibleHeight
67+
.scan((visibleHeight: .zero, isShowing: false)) { lastState, newVisibleHeight in
68+
(visibleHeight: newVisibleHeight, isShowing: lastState.visibleHeight <= .zero && newVisibleHeight > .zero)
69+
}
70+
.filter { $0.isShowing }
71+
.map { $0.visibleHeight }
72+
73+
isHidden = visibleHeight
74+
.map { $0 <= .ulpOfOne }
75+
.distinctUntilChanged()
76+
77+
super.init()
78+
79+
// keyboard will change frame
80+
let willChangeFrame = NotificationCenter.default.rx.notification(.keyboardWillChangeFrame)
81+
.map { notification -> CGRect in
82+
let rectValue = notification.userInfo?[String.keyboardFrameEndKey] as? NSValue
83+
return rectValue?.cgRectValue ?? defaultFrame
84+
}
85+
.map { frame -> CGRect in
86+
if frame.origin.y < .zero { // if went to wrong frame
87+
var newFrame = frame
88+
newFrame.origin.y = UIScreen.main.bounds.height - newFrame.height
89+
return newFrame
90+
}
91+
return frame
92+
}
93+
94+
// keyboard will hide
95+
let willHide = NotificationCenter.default.rx.notification(.keyboardWillHide)
96+
.map { notification -> CGRect in
97+
let rectValue = notification.userInfo?[String.keyboardFrameEndKey] as? NSValue
98+
return rectValue?.cgRectValue ?? defaultFrame
99+
}
100+
.map { frame -> CGRect in
101+
if frame.origin.y < .zero { // if went to wrong frame
102+
var newFrame = frame
103+
newFrame.origin.y = UIScreen.main.bounds.height
104+
return newFrame
105+
}
106+
return frame
107+
}
108+
109+
// pan gesture
110+
let didPan = panRecognizer.rx.event
111+
.withLatestFrom(frameVariable.asObservable()) { ($0, $1) }
112+
.flatMap { (gestureRecognizer, frame) -> Observable<CGRect> in
113+
guard case .changed = gestureRecognizer.state,
114+
let window = UIApplication.shared.windows.first,
115+
frame.origin.y < UIScreen.main.bounds.height else {
116+
return .empty()
117+
}
118+
119+
let origin = gestureRecognizer.location(in: window)
120+
var newFrame = frame
121+
newFrame.origin.y = max(origin.y, UIScreen.main.bounds.height - frame.height)
122+
return .just(newFrame)
123+
}
124+
125+
// merge into single sequence
126+
Observable.merge(didPan, willChangeFrame, willHide)
127+
.bind(to: frameVariable)
128+
.disposed(by: disposeBag)
129+
130+
// gesture recognizer
131+
panRecognizer.delegate = self
132+
133+
UIApplication.rx.didFinishLaunching // when RxKeyboard is initialized before UIApplication.window is created
134+
.withUnretained(panRecognizer)
135+
.subscribe { gestureRecognizer, _ in
136+
UIApplication.shared.windows.first?.addGestureRecognizer(gestureRecognizer)
137+
}
138+
.disposed(by: disposeBag)
139+
}
137140
}
138141

139142

140143
// MARK: - UIGestureRecognizerDelegate
141144

142145
extension RxKeyboard: UIGestureRecognizerDelegate {
143146

144-
public func gestureRecognizer(
145-
_ gestureRecognizer: UIGestureRecognizer,
146-
shouldReceive touch: UITouch
147-
) -> Bool {
148-
let point = touch.location(in: gestureRecognizer.view)
149-
var view = gestureRecognizer.view?.hitTest(point, with: nil)
150-
while let candidate = view {
151-
if let scrollView = candidate as? UIScrollView,
152-
case .interactive = scrollView.keyboardDismissMode {
153-
return true
154-
}
155-
view = candidate.superview
147+
public func gestureRecognizer(_ gestureRecognizer: UIGestureRecognizer, shouldReceive touch: UITouch) -> Bool {
148+
let point = touch.location(in: gestureRecognizer.view)
149+
var view = gestureRecognizer.view?.hitTest(point, with: nil)
150+
151+
while let candidate = view {
152+
if let scrollView = candidate as? UIScrollView,
153+
case .interactive = scrollView.keyboardDismissMode {
154+
return true
155+
}
156+
view = candidate.superview
157+
}
158+
159+
return false
156160
}
157-
return false
158-
}
159161

160-
public func gestureRecognizer(
161-
_ gestureRecognizer: UIGestureRecognizer,
162-
shouldRecognizeSimultaneouslyWith otherGestureRecognizer: UIGestureRecognizer
163-
) -> Bool {
164-
return gestureRecognizer === self.panRecognizer
165-
}
162+
public func gestureRecognizer(
163+
_ gestureRecognizer: UIGestureRecognizer,
164+
shouldRecognizeSimultaneouslyWith otherGestureRecognizer: UIGestureRecognizer
165+
) -> Bool {
166+
gestureRecognizer === panRecognizer
167+
}
168+
}
169+
170+
private extension Notification.Name {
171+
172+
static let keyboardWillChangeFrame = UIResponder.keyboardWillChangeFrameNotification
173+
static let keyboardWillHide = UIResponder.keyboardWillHideNotification
174+
}
175+
176+
private extension String {
166177

178+
static let keyboardFrameEndKey = UIResponder.keyboardFrameEndUserInfoKey
167179
}
180+
168181
#endif
169182

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