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https://github.com/Swiftgram/Telegram-iOS.git
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250 lines
12 KiB
Swift
250 lines
12 KiB
Swift
import Foundation
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import UIKit
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import AsyncDisplayKit
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import ContextUI
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import TelegramPresentationData
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import Display
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enum PeerInfoHeaderNavigationButtonKey {
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case edit
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case done
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case cancel
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case select
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case selectionDone
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case search
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case editPhoto
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case editVideo
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case more
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case qrCode
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case moreToSearch
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case postStory
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}
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struct PeerInfoHeaderNavigationButtonSpec: Equatable {
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let key: PeerInfoHeaderNavigationButtonKey
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let isForExpandedView: Bool
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}
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final class PeerInfoHeaderNavigationButtonContainerNode: SparseNode {
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private var presentationData: PresentationData?
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private(set) var leftButtonNodes: [PeerInfoHeaderNavigationButtonKey: PeerInfoHeaderNavigationButton] = [:]
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private(set) var rightButtonNodes: [PeerInfoHeaderNavigationButtonKey: PeerInfoHeaderNavigationButton] = [:]
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private var currentLeftButtons: [PeerInfoHeaderNavigationButtonSpec] = []
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private var currentRightButtons: [PeerInfoHeaderNavigationButtonSpec] = []
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var isWhite: Bool = false {
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didSet {
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if self.isWhite != oldValue {
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for (_, buttonNode) in self.leftButtonNodes {
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buttonNode.isWhite = self.isWhite
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}
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for (_, buttonNode) in self.rightButtonNodes {
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buttonNode.isWhite = self.isWhite
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}
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}
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}
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}
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var performAction: ((PeerInfoHeaderNavigationButtonKey, ContextReferenceContentNode?, ContextGesture?) -> Void)?
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func update(size: CGSize, presentationData: PresentationData, leftButtons: [PeerInfoHeaderNavigationButtonSpec], rightButtons: [PeerInfoHeaderNavigationButtonSpec], expandFraction: CGFloat, transition: ContainedViewLayoutTransition) {
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let maximumExpandOffset: CGFloat = 14.0
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let expandOffset: CGFloat = -expandFraction * maximumExpandOffset
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if self.currentLeftButtons != leftButtons || presentationData.strings !== self.presentationData?.strings {
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self.currentLeftButtons = leftButtons
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var nextRegularButtonOrigin = 16.0
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var nextExpandedButtonOrigin = 16.0
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for spec in leftButtons.reversed() {
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let buttonNode: PeerInfoHeaderNavigationButton
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var wasAdded = false
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if let current = self.leftButtonNodes[spec.key] {
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buttonNode = current
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} else {
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wasAdded = true
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buttonNode = PeerInfoHeaderNavigationButton()
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self.leftButtonNodes[spec.key] = buttonNode
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self.addSubnode(buttonNode)
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buttonNode.action = { [weak self] _, gesture in
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guard let strongSelf = self, let buttonNode = strongSelf.leftButtonNodes[spec.key] else {
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return
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}
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strongSelf.performAction?(spec.key, buttonNode.contextSourceNode, gesture)
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}
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}
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let buttonSize = buttonNode.update(key: spec.key, presentationData: presentationData, height: size.height)
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var nextButtonOrigin = spec.isForExpandedView ? nextExpandedButtonOrigin : nextRegularButtonOrigin
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let buttonFrame = CGRect(origin: CGPoint(x: nextButtonOrigin, y: expandOffset + (spec.isForExpandedView ? maximumExpandOffset : 0.0)), size: buttonSize)
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nextButtonOrigin += buttonSize.width + 4.0
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if spec.isForExpandedView {
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nextExpandedButtonOrigin = nextButtonOrigin
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} else {
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nextRegularButtonOrigin = nextButtonOrigin
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}
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let alphaFactor: CGFloat = spec.isForExpandedView ? expandFraction : (1.0 - expandFraction)
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if wasAdded {
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buttonNode.frame = buttonFrame
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buttonNode.alpha = 0.0
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transition.updateAlpha(node: buttonNode, alpha: alphaFactor * alphaFactor)
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buttonNode.isWhite = self.isWhite
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} else {
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transition.updateFrameAdditiveToCenter(node: buttonNode, frame: buttonFrame)
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transition.updateAlpha(node: buttonNode, alpha: alphaFactor * alphaFactor)
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}
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}
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var removeKeys: [PeerInfoHeaderNavigationButtonKey] = []
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for (key, _) in self.leftButtonNodes {
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if !leftButtons.contains(where: { $0.key == key }) {
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removeKeys.append(key)
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}
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}
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for key in removeKeys {
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if let buttonNode = self.leftButtonNodes.removeValue(forKey: key) {
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buttonNode.removeFromSupernode()
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}
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}
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} else {
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var nextRegularButtonOrigin = 16.0
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var nextExpandedButtonOrigin = 16.0
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for spec in leftButtons.reversed() {
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if let buttonNode = self.leftButtonNodes[spec.key] {
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let buttonSize = buttonNode.bounds.size
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var nextButtonOrigin = spec.isForExpandedView ? nextExpandedButtonOrigin : nextRegularButtonOrigin
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let buttonFrame = CGRect(origin: CGPoint(x: nextButtonOrigin, y: expandOffset + (spec.isForExpandedView ? maximumExpandOffset : 0.0)), size: buttonSize)
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nextButtonOrigin += buttonSize.width + 4.0
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if spec.isForExpandedView {
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nextExpandedButtonOrigin = nextButtonOrigin
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} else {
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nextRegularButtonOrigin = nextButtonOrigin
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}
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transition.updateFrameAdditiveToCenter(node: buttonNode, frame: buttonFrame)
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let alphaFactor: CGFloat = spec.isForExpandedView ? expandFraction : (1.0 - expandFraction)
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var buttonTransition = transition
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if case let .animated(duration, curve) = buttonTransition, alphaFactor == 0.0 {
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buttonTransition = .animated(duration: duration * 0.25, curve: curve)
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}
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buttonTransition.updateAlpha(node: buttonNode, alpha: alphaFactor * alphaFactor)
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}
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}
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}
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if self.currentRightButtons != rightButtons || presentationData.strings !== self.presentationData?.strings {
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self.currentRightButtons = rightButtons
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var nextRegularButtonOrigin = size.width - 16.0
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var nextExpandedButtonOrigin = size.width - 16.0
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for spec in rightButtons.reversed() {
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let buttonNode: PeerInfoHeaderNavigationButton
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var wasAdded = false
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var key = spec.key
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if key == .more || key == .search {
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key = .moreToSearch
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}
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if let current = self.rightButtonNodes[key] {
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buttonNode = current
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} else {
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wasAdded = true
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buttonNode = PeerInfoHeaderNavigationButton()
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self.rightButtonNodes[key] = buttonNode
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self.addSubnode(buttonNode)
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}
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buttonNode.action = { [weak self] _, gesture in
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guard let strongSelf = self, let buttonNode = strongSelf.rightButtonNodes[key] else {
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return
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}
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strongSelf.performAction?(spec.key, buttonNode.contextSourceNode, gesture)
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}
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let buttonSize = buttonNode.update(key: spec.key, presentationData: presentationData, height: size.height)
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var nextButtonOrigin = spec.isForExpandedView ? nextExpandedButtonOrigin : nextRegularButtonOrigin
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var buttonFrame = CGRect(origin: CGPoint(x: nextButtonOrigin - buttonSize.width, y: expandOffset + (spec.isForExpandedView ? maximumExpandOffset : 0.0)), size: buttonSize)
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if case .postStory = spec.key {
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buttonFrame.origin.x -= 12.0
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}
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nextButtonOrigin -= buttonSize.width + 4.0
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if spec.isForExpandedView {
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nextExpandedButtonOrigin = nextButtonOrigin
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} else {
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nextRegularButtonOrigin = nextButtonOrigin
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}
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let alphaFactor: CGFloat = spec.isForExpandedView ? expandFraction : (1.0 - expandFraction)
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if wasAdded {
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buttonNode.isWhite = self.isWhite
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if key == .moreToSearch {
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buttonNode.layer.animateScale(from: 0.001, to: 1.0, duration: 0.2)
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}
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buttonNode.frame = buttonFrame
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buttonNode.alpha = 0.0
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transition.updateAlpha(node: buttonNode, alpha: alphaFactor * alphaFactor)
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} else {
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transition.updateFrameAdditiveToCenter(node: buttonNode, frame: buttonFrame)
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transition.updateAlpha(node: buttonNode, alpha: alphaFactor * alphaFactor)
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}
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}
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var removeKeys: [PeerInfoHeaderNavigationButtonKey] = []
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for (key, _) in self.rightButtonNodes {
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if key == .moreToSearch {
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if !rightButtons.contains(where: { $0.key == .more || $0.key == .search }) {
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removeKeys.append(key)
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}
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} else if !rightButtons.contains(where: { $0.key == key }) {
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removeKeys.append(key)
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}
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}
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for key in removeKeys {
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if let buttonNode = self.rightButtonNodes.removeValue(forKey: key) {
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if key == .moreToSearch {
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buttonNode.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.2, removeOnCompletion: false, completion: { [weak buttonNode] _ in
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buttonNode?.removeFromSupernode()
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})
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buttonNode.layer.animateScale(from: 1.0, to: 0.001, duration: 0.2, removeOnCompletion: false)
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} else {
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buttonNode.removeFromSupernode()
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}
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}
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}
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} else {
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var nextRegularButtonOrigin = size.width - 16.0
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var nextExpandedButtonOrigin = size.width - 16.0
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for spec in rightButtons.reversed() {
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var key = spec.key
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if key == .more || key == .search {
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key = .moreToSearch
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}
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if let buttonNode = self.rightButtonNodes[key] {
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let buttonSize = buttonNode.bounds.size
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var nextButtonOrigin = spec.isForExpandedView ? nextExpandedButtonOrigin : nextRegularButtonOrigin
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var buttonFrame = CGRect(origin: CGPoint(x: nextButtonOrigin - buttonSize.width, y: expandOffset + (spec.isForExpandedView ? maximumExpandOffset : 0.0)), size: buttonSize)
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if case .postStory = spec.key {
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buttonFrame.origin.x -= 12.0
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}
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nextButtonOrigin -= buttonSize.width + 4.0
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if spec.isForExpandedView {
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nextExpandedButtonOrigin = nextButtonOrigin
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} else {
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nextRegularButtonOrigin = nextButtonOrigin
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}
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transition.updateFrameAdditiveToCenter(node: buttonNode, frame: buttonFrame)
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let alphaFactor: CGFloat = spec.isForExpandedView ? expandFraction : (1.0 - expandFraction)
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var buttonTransition = transition
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if case let .animated(duration, curve) = buttonTransition, alphaFactor == 0.0 {
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buttonTransition = .animated(duration: duration * 0.25, curve: curve)
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}
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buttonTransition.updateAlpha(node: buttonNode, alpha: alphaFactor * alphaFactor)
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}
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}
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}
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self.presentationData = presentationData
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}
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}
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