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76 lines
3.4 KiB
Swift
76 lines
3.4 KiB
Swift
import Foundation
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import UIKit
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import AsyncDisplayKit
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import Display
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import AppBundle
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import LegacyComponents
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final class InstantPageSettingsFontSizeItemNode: InstantPageSettingsItemNode {
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private let updated: (Int) -> Void
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private let sliderView: TGPhotoEditorSliderView
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private let leftIconNode: ASImageNode
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private let rightIconNode: ASImageNode
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init(theme: InstantPageSettingsItemTheme, fontSizeVariant: Int, updated: @escaping (Int) -> Void) {
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self.updated = updated
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self.sliderView = TGPhotoEditorSliderView()
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self.sliderView.enablePanHandling = true
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self.sliderView.trackCornerRadius = 1.0
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self.sliderView.lineSize = 2.0
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self.sliderView.dotSize = 5.0
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self.sliderView.minimumValue = 0.0
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self.sliderView.maximumValue = 4.0
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self.sliderView.startValue = 0.0
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self.sliderView.value = CGFloat(fontSizeVariant)
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self.sliderView.positionsCount = 5
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self.sliderView.disablesInteractiveTransitionGestureRecognizer = true
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self.leftIconNode = ASImageNode()
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self.leftIconNode.displaysAsynchronously = false
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self.leftIconNode.displayWithoutProcessing = true
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self.rightIconNode = ASImageNode()
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self.rightIconNode.displaysAsynchronously = false
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self.rightIconNode.displayWithoutProcessing = true
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super.init(theme: theme, selectable: false)
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self.updateTheme(theme)
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self.sliderView.addTarget(self, action: #selector(self.sliderChanged), for: .valueChanged)
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self.view.addSubview(self.sliderView)
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self.addSubnode(self.leftIconNode)
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self.addSubnode(self.rightIconNode)
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}
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override func updateTheme(_ theme: InstantPageSettingsItemTheme) {
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super.updateTheme(theme)
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self.sliderView.backgroundColor = theme.itemBackgroundColor
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self.sliderView.backColor = theme.secondaryColor
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self.sliderView.trackColor = theme.accentColor
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self.sliderView.knobImage = generateKnobImage()
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self.leftIconNode.image = generateTintedImage(image: UIImage(bundleImageName: "Instant View/SettingsFontMinIcon"), color: theme.primaryColor)
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self.rightIconNode.image = generateTintedImage(image: UIImage(bundleImageName: "Instant View/SettingsFontMaxIcon"), color: theme.primaryColor)
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}
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override func updateInternalLayout(width: CGFloat, insets: UIEdgeInsets, previousItem: (InstantPageSettingsItemNodeStatus, InstantPageSettingsItemNode?), nextItem: (InstantPageSettingsItemNodeStatus, InstantPageSettingsItemNode?)) -> (height: CGFloat, separatorInset: CGFloat?) {
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self.sliderView.frame = CGRect(origin: CGPoint(x: 38.0, y: 8.0), size: CGSize(width: width - 38.0 * 2.0, height: 44.0))
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if let image = self.leftIconNode.image {
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self.leftIconNode.frame = CGRect(origin: CGPoint(x: 18.0, y: 25.0), size: CGSize(width: image.size.width, height: image.size.height))
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}
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if let image = self.rightIconNode.image {
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self.rightIconNode.frame = CGRect(origin: CGPoint(x: width - 14.0 - image.size.width, y: 21.0), size: CGSize(width: image.size.width, height: image.size.height))
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}
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return (62.0 + insets.top + insets.bottom, nil)
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}
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@objc func sliderChanged() {
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self.updated(max(0, min(4, Int(self.sliderView.value))))
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}
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}
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