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Refactor ContactListUI and related modules
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Peter
178
submodules/SearchUI/Sources/SearchDisplayController.swift
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178
submodules/SearchUI/Sources/SearchDisplayController.swift
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import Foundation
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import UIKit
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import AsyncDisplayKit
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import SwiftSignalKit
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import Display
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import TelegramPresentationData
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import SearchBarNode
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public enum SearchDisplayControllerMode {
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case list
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case navigation
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}
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public final class SearchDisplayController {
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private let searchBar: SearchBarNode
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private let mode: SearchDisplayControllerMode
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public let contentNode: SearchDisplayControllerContentNode
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private var containerLayout: (ContainerViewLayout, CGFloat)?
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public var isDeactivating = false
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private var isSearchingDisposable: Disposable?
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public init(presentationData: PresentationData, mode: SearchDisplayControllerMode = .navigation, contentNode: SearchDisplayControllerContentNode, cancel: @escaping () -> Void) {
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self.searchBar = SearchBarNode(theme: SearchBarNodeTheme(theme: presentationData.theme, hasSeparator: false), strings: presentationData.strings, fieldStyle: .modern)
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self.mode = mode
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self.contentNode = contentNode
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self.searchBar.textUpdated = { [weak contentNode] text in
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contentNode?.searchTextUpdated(text: text)
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}
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self.searchBar.cancel = { [weak self] in
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self?.isDeactivating = true
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cancel()
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}
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self.searchBar.clearPrefix = { [weak contentNode] in
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contentNode?.searchTextClearPrefix()
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}
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self.contentNode.cancel = { [weak self] in
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self?.isDeactivating = true
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cancel()
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}
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self.contentNode.dismissInput = { [weak self] in
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self?.searchBar.deactivate(clear: false)
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}
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self.contentNode.setQuery = { [weak self] prefix, query in
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self?.searchBar.prefixString = prefix
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self?.searchBar.text = query
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}
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self.contentNode.setPlaceholder = { [weak self] string in
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guard string != self?.searchBar.placeholderString?.string else {
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return
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}
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if let mutableAttributedString = self?.searchBar.placeholderString?.mutableCopy() as? NSMutableAttributedString {
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mutableAttributedString.mutableString.setString(string)
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self?.searchBar.placeholderString = mutableAttributedString
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}
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}
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self.isSearchingDisposable = (contentNode.isSearching
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|> deliverOnMainQueue).start(next: { [weak self] value in
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self?.searchBar.activity = value
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})
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}
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public func updatePresentationData(_ presentationData: PresentationData) {
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self.searchBar.updateThemeAndStrings(theme: SearchBarNodeTheme(theme: presentationData.theme, hasSeparator: false), strings: presentationData.strings)
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self.contentNode.updatePresentationData(presentationData)
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}
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public func containerLayoutUpdated(_ layout: ContainerViewLayout, navigationBarHeight: CGFloat, transition: ContainedViewLayoutTransition) {
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let statusBarHeight: CGFloat = layout.statusBarHeight ?? 0.0
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let searchBarHeight: CGFloat = max(20.0, statusBarHeight) + 44.0
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let navigationBarOffset: CGFloat
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if statusBarHeight.isZero {
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navigationBarOffset = -20.0
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} else {
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navigationBarOffset = 0.0
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}
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var navigationBarFrame = CGRect(origin: CGPoint(x: 0.0, y: navigationBarOffset), size: CGSize(width: layout.size.width, height: searchBarHeight))
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if layout.statusBarHeight == nil {
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navigationBarFrame.size.height = 64.0
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}
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navigationBarFrame.size.height += 10.0
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let searchBarFrame: CGRect
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if case .navigation = self.mode {
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searchBarFrame = CGRect(x: 0.0, y: 0.0, width: layout.size.width, height: 54.0)
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} else {
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searchBarFrame = navigationBarFrame
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}
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transition.updateFrame(node: self.searchBar, frame: searchBarFrame)
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self.searchBar.updateLayout(boundingSize: searchBarFrame.size, leftInset: layout.safeInsets.left, rightInset: layout.safeInsets.right, transition: transition)
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self.containerLayout = (layout, navigationBarFrame.maxY)
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transition.updateFrame(node: self.contentNode, frame: CGRect(origin: CGPoint(), size: layout.size))
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self.contentNode.containerLayoutUpdated(ContainerViewLayout(size: layout.size, metrics: LayoutMetrics(), intrinsicInsets: layout.intrinsicInsets, safeInsets: layout.safeInsets, statusBarHeight: nil, inputHeight: layout.inputHeight, standardInputHeight: layout.standardInputHeight, inputHeightIsInteractivellyChanging: layout.inputHeightIsInteractivellyChanging, inVoiceOver: layout.inVoiceOver), navigationBarHeight: navigationBarFrame.maxY, transition: transition)
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}
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public func activate(insertSubnode: (ASDisplayNode, Bool) -> Void, placeholder: SearchBarPlaceholderNode) {
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guard let (layout, navigationBarHeight) = self.containerLayout else {
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return
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}
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insertSubnode(self.contentNode, false)
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self.contentNode.frame = CGRect(origin: CGPoint(), size: layout.size)
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self.contentNode.containerLayoutUpdated(ContainerViewLayout(size: layout.size, metrics: LayoutMetrics(), intrinsicInsets: UIEdgeInsets(), safeInsets: layout.safeInsets, statusBarHeight: nil, inputHeight: nil, standardInputHeight: layout.standardInputHeight, inputHeightIsInteractivellyChanging: false, inVoiceOver: false), navigationBarHeight: navigationBarHeight, transition: .immediate)
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let initialTextBackgroundFrame = placeholder.convert(placeholder.backgroundNode.frame, to: nil)
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let contentNodePosition = self.contentNode.layer.position
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self.contentNode.layer.animatePosition(from: CGPoint(x: contentNodePosition.x, y: contentNodePosition.y + (initialTextBackgroundFrame.maxY + 8.0 - navigationBarHeight)), to: contentNodePosition, duration: 0.5, timingFunction: kCAMediaTimingFunctionSpring)
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self.contentNode.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.3, timingFunction: CAMediaTimingFunctionName.easeOut.rawValue)
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self.searchBar.placeholderString = placeholder.placeholderString
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let navigationBarFrame: CGRect
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switch self.mode {
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case .list:
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let statusBarHeight: CGFloat = layout.statusBarHeight ?? 0.0
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let searchBarHeight: CGFloat = max(20.0, statusBarHeight) + 44.0
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let navigationBarOffset: CGFloat
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if statusBarHeight.isZero {
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navigationBarOffset = -20.0
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} else {
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navigationBarOffset = 0.0
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}
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var frame = CGRect(origin: CGPoint(x: 0.0, y: navigationBarOffset), size: CGSize(width: layout.size.width, height: searchBarHeight))
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if layout.statusBarHeight == nil {
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frame.size.height = 64.0
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}
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navigationBarFrame = frame
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case .navigation:
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navigationBarFrame = CGRect(x: 0.0, y: 0.0, width: layout.size.width, height: 54.0)
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}
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self.searchBar.frame = navigationBarFrame
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insertSubnode(self.searchBar, true)
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self.searchBar.layout()
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self.searchBar.activate()
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self.searchBar.animateIn(from: placeholder, duration: 0.5, timingFunction: kCAMediaTimingFunctionSpring)
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}
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public func deactivate(placeholder: SearchBarPlaceholderNode?, animated: Bool = true) {
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self.searchBar.deactivate()
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if let placeholder = placeholder {
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let searchBar = self.searchBar
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searchBar.transitionOut(to: placeholder, transition: animated ? .animated(duration: 0.5, curve: .spring) : .immediate, completion: {
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[weak searchBar] in
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searchBar?.removeFromSupernode()
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})
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}
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let contentNode = self.contentNode
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if animated {
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if let placeholder = placeholder, let (_, navigationBarHeight) = self.containerLayout {
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let contentNodePosition = self.contentNode.layer.position
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let targetTextBackgroundFrame = placeholder.convert(placeholder.backgroundNode.frame, to: nil)
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self.contentNode.layer.animatePosition(from: contentNodePosition, to: CGPoint(x: contentNodePosition.x, y: contentNodePosition.y + (targetTextBackgroundFrame.maxY + 8.0 - navigationBarHeight)), duration: 0.5, timingFunction: kCAMediaTimingFunctionSpring, removeOnCompletion: false)
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}
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contentNode.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.3, removeOnCompletion: false, completion: { [weak contentNode] _ in
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contentNode?.removeFromSupernode()
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})
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} else {
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contentNode.removeFromSupernode()
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}
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}
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public func previewViewAndActionAtLocation(_ location: CGPoint) -> (UIView, CGRect, Any)? {
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return self.contentNode.previewViewAndActionAtLocation(location)
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}
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}
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