Sleep Timer: add the option to select the number of episodes #1640
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,188 @@ | ||
| import UIKit | ||
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| class CustomStepper: UIControl { | ||
| private static let buttonWidth: CGFloat = 44 | ||
| private static let buttonHeight: CGFloat = 44 | ||
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| private static let initialHoldTime: TimeInterval = 1 | ||
| private static let holdRepetition: TimeInterval = 0.15 | ||
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| let minusButton = UIButton(type: .custom) | ||
| let plusButton = UIButton(type: .custom) | ||
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| override var tintColor: UIColor! { | ||
| didSet { | ||
| minusButton.tintColor = tintColor | ||
| plusButton.tintColor = tintColor | ||
| } | ||
| } | ||
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| var minimumValue: Int = 0 { | ||
| didSet { | ||
| if currentValue < minimumValue { | ||
| currentValue = minimumValue | ||
| } | ||
| } | ||
| } | ||
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| var maximumValue: Int = 200 { | ||
| didSet { | ||
| if currentValue > maximumValue { | ||
| currentValue = maximumValue | ||
| } | ||
| } | ||
| } | ||
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| var bigIncrements: Int = 1 | ||
| var smallIncrements: Int = 1 | ||
| var smallIncrementThreshold: Int = 1 | ||
| var currentValue: Int = 1 { | ||
| didSet { | ||
| accessibilityValue = "\(currentValue)" | ||
| } | ||
| } | ||
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Comment on lines
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There was a problem hiding this comment. Optional Suggestion: Instead of generics why not abstract this to a protocol and have two implementations one for Int and another for TimeInterval that you can set on |
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| override init(frame: CGRect) { | ||
| super.init(frame: frame) | ||
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| setup() | ||
| } | ||
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| required init?(coder: NSCoder) { | ||
| super.init(coder: coder) | ||
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| setup() | ||
| } | ||
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| private func setup() { | ||
| isAccessibilityElement = true | ||
| accessibilityTraits = [.adjustable] | ||
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| minusButton.setImage(UIImage(named: "player_effects_less"), for: .normal) | ||
| minusButton.addTarget(self, action: #selector(lessTouchUp), for: .touchUpInside) | ||
| minusButton.addTarget(self, action: #selector(touchCancelled), for: .touchCancel) | ||
| minusButton.addTarget(self, action: #selector(touchCancelled), for: .touchUpOutside) | ||
| minusButton.addTarget(self, action: #selector(lessTouchDown), for: .touchDown) | ||
| addSubview(minusButton) | ||
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| minusButton.translatesAutoresizingMaskIntoConstraints = false | ||
| NSLayoutConstraint.activate([ | ||
| minusButton.leadingAnchor.constraint(equalTo: leadingAnchor), | ||
| minusButton.centerYAnchor.constraint(equalTo: centerYAnchor), | ||
| minusButton.widthAnchor.constraint(equalToConstant: Self.buttonWidth), | ||
| minusButton.heightAnchor.constraint(equalToConstant: Self.buttonHeight) | ||
| ]) | ||
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| plusButton.setImage(UIImage(named: "player_effects_more"), for: .normal) | ||
| plusButton.addTarget(self, action: #selector(moreTouchUp), for: .touchUpInside) | ||
| plusButton.addTarget(self, action: #selector(touchCancelled), for: .touchCancel) | ||
| plusButton.addTarget(self, action: #selector(touchCancelled), for: .touchUpOutside) | ||
| plusButton.addTarget(self, action: #selector(moreTouchDown), for: .touchDown) | ||
| addSubview(plusButton) | ||
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| plusButton.translatesAutoresizingMaskIntoConstraints = false | ||
| NSLayoutConstraint.activate([ | ||
| plusButton.trailingAnchor.constraint(equalTo: trailingAnchor), | ||
| plusButton.centerYAnchor.constraint(equalTo: centerYAnchor), | ||
| plusButton.widthAnchor.constraint(equalToConstant: Self.buttonWidth), | ||
| plusButton.heightAnchor.constraint(equalToConstant: Self.buttonHeight) | ||
| ]) | ||
| } | ||
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| // MARK: - Hold Support | ||
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| private var holdTimer: Timer? | ||
| @objc private func lessTouchDown() { | ||
| holdTimer?.invalidate() | ||
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| holdTimer = Timer.scheduledTimer(withTimeInterval: Self.initialHoldTime, repeats: false, block: { [weak self] _ in | ||
| if self?.currentValue == self?.minimumValue { return } | ||
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| self?.holdTimer = Timer.scheduledTimer(withTimeInterval: Self.holdRepetition, repeats: true, block: { _ in | ||
| self?.performHoldLessDown() | ||
| }) | ||
| }) | ||
| } | ||
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| private func performHoldLessDown() { | ||
| if currentValue == minimumValue { | ||
| holdTimer?.invalidate() | ||
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| return | ||
| } | ||
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| currentValue = max(minimumValue, currentValue - negativeIncrement()) | ||
| sendActions(for: .valueChanged) | ||
| } | ||
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| @objc private func moreTouchDown() { | ||
| holdTimer?.invalidate() | ||
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| holdTimer = Timer.scheduledTimer(withTimeInterval: Self.initialHoldTime, repeats: false, block: { [weak self] _ in | ||
| if self?.currentValue == self?.maximumValue { return } | ||
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| self?.holdTimer = Timer.scheduledTimer(withTimeInterval: Self.holdRepetition, repeats: true, block: { _ in | ||
| self?.performHoldMoreDown() | ||
| }) | ||
| }) | ||
| } | ||
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| private func performHoldMoreDown() { | ||
| if currentValue == maximumValue { | ||
| holdTimer?.invalidate() | ||
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| return | ||
| } | ||
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| currentValue = min(maximumValue, currentValue + positiveIncrement()) | ||
| sendActions(for: .valueChanged) | ||
| } | ||
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| @objc private func touchCancelled() { | ||
| holdTimer?.invalidate() | ||
| } | ||
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| // MARK: - Button Taps | ||
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| @objc private func lessTouchUp() { | ||
| performDecrementAction() | ||
| } | ||
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| private func performDecrementAction() { | ||
| holdTimer?.invalidate() | ||
| if currentValue == minimumValue { return } | ||
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| currentValue = max(minimumValue, currentValue - negativeIncrement()) | ||
| sendActions(for: .valueChanged) | ||
| } | ||
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| @objc private func moreTouchUp() { | ||
| performIncrementAction() | ||
| } | ||
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| private func performIncrementAction() { | ||
| holdTimer?.invalidate() | ||
| if currentValue == maximumValue { return } | ||
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| currentValue = min(maximumValue, currentValue + positiveIncrement()) | ||
| sendActions(for: .valueChanged) | ||
| } | ||
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| private func positiveIncrement() -> Int { | ||
| currentValue < smallIncrementThreshold ? smallIncrements : bigIncrements | ||
| } | ||
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| private func negativeIncrement() -> Int { | ||
| currentValue <= smallIncrementThreshold ? smallIncrements : bigIncrements | ||
| } | ||
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| // MARK: - Accessibility actions | ||
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| override func accessibilityIncrement() { | ||
| performIncrementAction() | ||
| } | ||
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| override func accessibilityDecrement() { | ||
| performDecrementAction() | ||
| } | ||
| } | ||
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Not proud of copying/pasting
CustomTimeStepperhere. I tried playing with generics but forgot that Storyboard only plays nice with Obj-C. 🤡