mirror of
https://github.com/Swiftgram/Telegram-iOS.git
synced 2025-06-16 05:55:20 +00:00
461 lines
22 KiB
Swift
461 lines
22 KiB
Swift
import Foundation
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import UIKit
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import Display
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import AsyncDisplayKit
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import Postbox
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import TelegramCore
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private let textInputViewBackground: UIImage = {
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let diameter: CGFloat = 35.0
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UIGraphicsBeginImageContextWithOptions(CGSize(width: diameter, height: diameter), true, 0.0)
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let context = UIGraphicsGetCurrentContext()!
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context.setFillColor(UIColor(0xF5F6F8).cgColor)
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context.fill(CGRect(x: 0.0, y: 0.0, width: diameter, height: diameter))
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context.setFillColor(UIColor.white.cgColor)
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context.fillEllipse(in: CGRect(x: 0.0, y: 0.0, width: diameter, height: diameter))
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context.setStrokeColor(UIColor(0xC9CDD1).cgColor)
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let strokeWidth: CGFloat = 0.5
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context.setLineWidth(strokeWidth)
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context.strokeEllipse(in: CGRect(x: strokeWidth / 2.0, y: strokeWidth / 2.0, width: diameter - strokeWidth, height: diameter - strokeWidth))
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let image = UIGraphicsGetImageFromCurrentImageContext()!.stretchableImage(withLeftCapWidth: Int(diameter / 2.0), topCapHeight: Int(diameter / 2.0))
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UIGraphicsEndImageContext()
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return image
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}()
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private let attachmentIcon = generateTintedImage(image: UIImage(bundleImageName: "Chat/Input/Text/IconAttachment"), color: UIColor(0x9099A2))
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private let micIcon = generateTintedImage(image: UIImage(bundleImageName: "Chat/Input/Text/IconMicrophone"), color: UIColor(0x9099A2))
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private let sendIcon = UIImage(bundleImageName: "Chat/Input/Text/IconSend")?.precomposed()
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enum ChatTextInputAccessoryItem {
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case keyboard
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case stickers
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case inputButtons
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}
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struct ChatTextInputPanelState: Equatable {
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let accessoryItems: [ChatTextInputAccessoryItem]
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init(accessoryItems: [ChatTextInputAccessoryItem]) {
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self.accessoryItems = accessoryItems
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}
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init() {
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self.accessoryItems = []
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}
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static func ==(lhs: ChatTextInputPanelState, rhs: ChatTextInputPanelState) -> Bool {
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if lhs.accessoryItems != rhs.accessoryItems {
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return false
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}
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return true
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}
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}
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private let keyboardImage = UIImage(bundleImageName: "Chat/Input/Text/AccessoryIconKeyboard")?.precomposed()
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private let stickersImage = UIImage(bundleImageName: "Chat/Input/Text/AccessoryIconStickers")?.precomposed()
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private let inputButtonsImage = UIImage(bundleImageName: "Chat/Input/Text/AccessoryIconInputButtons")?.precomposed()
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private final class AccessoryItemIconButton: UIButton {
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init(item: ChatTextInputAccessoryItem) {
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super.init(frame: CGRect())
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switch item {
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case .keyboard:
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self.setImage(keyboardImage, for: [])
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case .stickers:
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self.setImage(stickersImage, for: [])
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case .inputButtons:
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self.setImage(inputButtonsImage, for: [])
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}
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//self.backgroundColor = UIColor.lightGray.withAlphaComponent(0.5)
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}
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required init?(coder aDecoder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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var buttonWidth: CGFloat {
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return (self.image(for: [])?.size.width ?? 0.0) + CGFloat(8.0)
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}
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}
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class ChatTextInputPanelNode: ChatInputPanelNode, ASEditableTextNodeDelegate {
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var textPlaceholderNode: TextNode
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var textInputNode: ASEditableTextNode?
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let textInputBackgroundView: UIImageView
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let micButton: UIButton
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let sendButton: UIButton
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let attachmentButton: UIButton
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private var accessoryItemButtons: [(ChatTextInputAccessoryItem, AccessoryItemIconButton)] = []
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var displayAttachmentMenu: () -> Void = { }
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var sendMessage: () -> Void = { }
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var updateHeight: () -> Void = { }
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private var updatingInputState = false
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private var currentPlaceholder: String?
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private var presentationInterfaceState = ChatPresentationInterfaceState()
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var inputTextState: ChatTextInputState {
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get {
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if let textInputNode = self.textInputNode {
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let text = textInputNode.attributedText?.string ?? ""
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let selectionRange: Range<Int> = textInputNode.selectedRange.location ..< (textInputNode.selectedRange.location + textInputNode.selectedRange.length)
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return ChatTextInputState(inputText: text, selectionRange: selectionRange)
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} else {
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return ChatTextInputState()
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}
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} set(value) {
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if let textInputNode = self.textInputNode {
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self.updatingInputState = true
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textInputNode.attributedText = NSAttributedString(string: value.inputText, font: Font.regular(17.0), textColor: UIColor.black)
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textInputNode.selectedRange = NSMakeRange(value.selectionRange.lowerBound, value.selectionRange.count)
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self.updatingInputState = false
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}
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}
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}
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var text: String {
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get {
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return self.textInputNode?.attributedText?.string ?? ""
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} set(value) {
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if let textInputNode = self.textInputNode {
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textInputNode.attributedText = NSAttributedString(string: value, font: Font.regular(17.0), textColor: UIColor.black)
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self.editableTextNodeDidUpdateText(textInputNode)
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}
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}
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}
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let textFieldInsets = UIEdgeInsets(top: 6.0, left: 42.0, bottom: 6.0, right: 42.0)
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let textInputViewInternalInsets = UIEdgeInsets(top: 6.5, left: 13.0, bottom: 7.5, right: 13.0)
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override init() {
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self.textInputBackgroundView = UIImageView(image: textInputViewBackground)
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self.textPlaceholderNode = TextNode()
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self.textPlaceholderNode.isLayerBacked = true
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self.attachmentButton = UIButton()
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self.micButton = UIButton()
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self.sendButton = UIButton()
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super.init()
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self.attachmentButton.setImage(attachmentIcon, for: [])
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self.attachmentButton.addTarget(self, action: #selector(self.attachmentButtonPressed), for: .touchUpInside)
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self.view.addSubview(self.attachmentButton)
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self.micButton.setImage(micIcon, for: [])
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self.micButton.addTarget(self, action: #selector(self.micButtonPressed), for: .touchUpInside)
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self.view.addSubview(self.micButton)
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self.sendButton.setImage(sendIcon, for: [])
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self.sendButton.addTarget(self, action: #selector(self.sendButtonPressed), for: .touchUpInside)
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self.sendButton.alpha = 0.0
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self.view.addSubview(self.sendButton)
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self.view.addSubview(self.textInputBackgroundView)
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let placeholderLayout = TextNode.asyncLayout(self.textPlaceholderNode)
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let (placeholderSize, placeholderApply) = placeholderLayout(NSAttributedString(string: "Message", font: Font.regular(17.0), textColor: UIColor(0xC8C8CE)), nil, 1, .end, CGSize(width: 320.0, height: CGFloat.greatestFiniteMagnitude), nil)
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self.textPlaceholderNode.frame = CGRect(origin: CGPoint(), size: placeholderSize.size)
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let _ = placeholderApply()
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self.addSubnode(self.textPlaceholderNode)
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self.textInputBackgroundView.clipsToBounds = true
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let recognizer = TouchDownGestureRecognizer(target: self, action: #selector(self.textInputBackgroundViewTap(_:)))
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recognizer.touchDown = { [weak self] in
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if let strongSelf = self {
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strongSelf.ensureFocused()
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}
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}
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self.textInputBackgroundView.addGestureRecognizer(recognizer)
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self.textInputBackgroundView.isUserInteractionEnabled = true
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}
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required init?(coder aDecoder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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private func loadTextInputNode() {
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let textInputNode = ASEditableTextNode()
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textInputNode.typingAttributes = [NSFontAttributeName: Font.regular(17.0)]
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textInputNode.clipsToBounds = true
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textInputNode.delegate = self
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textInputNode.hitTestSlop = UIEdgeInsets(top: -5.0, left: -5.0, bottom: -5.0, right: -5.0)
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self.addSubnode(textInputNode)
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self.textInputNode = textInputNode
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textInputNode.frame = CGRect(x: self.textFieldInsets.left + self.textInputViewInternalInsets.left, y: self.textFieldInsets.top + self.textInputViewInternalInsets.top, width: self.frame.size.width - self.textFieldInsets.left - self.textFieldInsets.right - self.textInputViewInternalInsets.left - self.textInputViewInternalInsets.right, height: self.frame.size.height - self.textFieldInsets.top - self.textFieldInsets.bottom - self.textInputViewInternalInsets.top - self.textInputViewInternalInsets.bottom)
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self.textInputBackgroundView.isUserInteractionEnabled = false
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self.textInputBackgroundView.removeGestureRecognizer(self.textInputBackgroundView.gestureRecognizers![0])
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let recognizer = TouchDownGestureRecognizer(target: self, action: #selector(self.textInputBackgroundViewTap(_:)))
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recognizer.touchDown = { [weak self] in
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if let strongSelf = self {
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strongSelf.ensureFocused()
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}
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}
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textInputNode.view.addGestureRecognizer(recognizer)
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}
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override func updateLayout(width: CGFloat, transition: ContainedViewLayoutTransition, interfaceState: ChatPresentationInterfaceState) -> CGFloat {
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if self.presentationInterfaceState != interfaceState {
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let previousState = self.presentationInterfaceState
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self.presentationInterfaceState = interfaceState
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if let peer = interfaceState.peer, previousState.peer == nil || !peer.isEqual(previousState.peer!) {
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let placeholder: String
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if let channel = peer as? TelegramChannel, case .broadcast = channel.info {
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placeholder = "Broadcast"
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} else {
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placeholder = "Message"
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}
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if self.currentPlaceholder != placeholder {
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self.currentPlaceholder = placeholder
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let placeholderLayout = TextNode.asyncLayout(self.textPlaceholderNode)
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let (placeholderSize, placeholderApply) = placeholderLayout(NSAttributedString(string: placeholder, font: Font.regular(17.0), textColor: UIColor(0xbebec0)), nil, 1, .end, CGSize(width: 320.0, height: CGFloat.greatestFiniteMagnitude), nil)
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self.textPlaceholderNode.frame = CGRect(origin: self.textPlaceholderNode.frame.origin, size: placeholderSize.size)
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let _ = placeholderApply()
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}
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}
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}
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let minimalHeight: CGFloat = 47.0
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let minimalInputHeight: CGFloat = 35.0
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let accessoryButtonSpacing: CGFloat = 0.0
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let accessoryButtonInset: CGFloat = 4.0 + UIScreenPixel
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var animatedTransition = true
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if case .immediate = transition {
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animatedTransition = false
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}
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var updateAccessoryButtons = false
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if self.presentationInterfaceState.inputTextPanelState.accessoryItems.count == self.accessoryItemButtons.count {
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for i in 0 ..< self.presentationInterfaceState.inputTextPanelState.accessoryItems.count {
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if self.presentationInterfaceState.inputTextPanelState.accessoryItems[i] != self.accessoryItemButtons[i].0 {
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updateAccessoryButtons = true
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break
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}
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}
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} else {
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updateAccessoryButtons = true
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}
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var removeAccessoryButtons: [AccessoryItemIconButton]?
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if updateAccessoryButtons {
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var updatedButtons: [(ChatTextInputAccessoryItem, AccessoryItemIconButton)] = []
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for item in self.presentationInterfaceState.inputTextPanelState.accessoryItems {
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var itemAndButton: (ChatTextInputAccessoryItem, AccessoryItemIconButton)?
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for i in 0 ..< self.accessoryItemButtons.count {
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if self.accessoryItemButtons[i].0 == item {
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itemAndButton = self.accessoryItemButtons[i]
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self.accessoryItemButtons.remove(at: i)
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break
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}
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}
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if itemAndButton == nil {
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let button = AccessoryItemIconButton(item: item)
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button.addTarget(self, action: #selector(self.accessoryItemButtonPressed(_:)), for: [.touchUpInside])
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itemAndButton = (item, button)
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}
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updatedButtons.append(itemAndButton!)
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}
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for (_, button) in self.accessoryItemButtons {
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if animatedTransition {
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if removeAccessoryButtons == nil {
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removeAccessoryButtons = []
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}
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removeAccessoryButtons!.append(button)
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} else {
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button.removeFromSuperview()
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}
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}
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self.accessoryItemButtons = updatedButtons
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}
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var accessoryButtonsWidth: CGFloat = 0.0
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var firstButton = true
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for (_, button) in self.accessoryItemButtons {
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if firstButton {
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firstButton = false
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accessoryButtonsWidth += accessoryButtonInset
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} else {
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accessoryButtonsWidth += accessoryButtonSpacing
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}
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accessoryButtonsWidth += button.buttonWidth
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}
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let textFieldHeight: CGFloat
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if let textInputNode = self.textInputNode {
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textFieldHeight = min(115.0, max(21.0, ceil(textInputNode.measure(CGSize(width: width - self.textFieldInsets.left - self.textFieldInsets.right - self.textInputViewInternalInsets.left - self.textInputViewInternalInsets.right - accessoryButtonsWidth, height: CGFloat.greatestFiniteMagnitude)).height)))
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} else {
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textFieldHeight = 21.0
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}
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let panelHeight = textFieldHeight + self.textFieldInsets.top + self.textFieldInsets.bottom + self.textInputViewInternalInsets.top + self.textInputViewInternalInsets.bottom
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transition.updateFrame(layer: self.attachmentButton.layer, frame: CGRect(origin: CGPoint(x: 2.0 - UIScreenPixel, y: panelHeight - minimalHeight), size: CGSize(width: 40.0, height: minimalHeight)))
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transition.updateFrame(layer: self.micButton.layer, frame: CGRect(origin: CGPoint(x: width - 43.0 - UIScreenPixel, y: panelHeight - minimalHeight - UIScreenPixel), size: CGSize(width: 44.0, height: minimalHeight)))
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transition.updateFrame(layer: self.sendButton.layer, frame: CGRect(origin: CGPoint(x: width - 43.0 - UIScreenPixel, y: panelHeight - minimalHeight - UIScreenPixel), size: CGSize(width: 44.0, height: minimalHeight)))
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if let textInputNode = self.textInputNode {
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transition.updateFrame(node: textInputNode, frame: CGRect(x: self.textFieldInsets.left + self.textInputViewInternalInsets.left, y: self.textFieldInsets.top + self.textInputViewInternalInsets.top, width: width - self.textFieldInsets.left - self.textFieldInsets.right - self.textInputViewInternalInsets.left - self.textInputViewInternalInsets.right - accessoryButtonsWidth, height: panelHeight - self.textFieldInsets.top - self.textFieldInsets.bottom - self.textInputViewInternalInsets.top - self.textInputViewInternalInsets.bottom))
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}
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transition.updateFrame(node: self.textPlaceholderNode, frame: CGRect(origin: CGPoint(x: self.textFieldInsets.left + self.textInputViewInternalInsets.left, y: self.textFieldInsets.top + self.textInputViewInternalInsets.top + 0.5), size: self.textPlaceholderNode.frame.size))
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transition.updateFrame(layer: self.textInputBackgroundView.layer, frame: CGRect(x: self.textFieldInsets.left, y: self.textFieldInsets.top, width: width - self.textFieldInsets.left - self.textFieldInsets.right, height: panelHeight - self.textFieldInsets.top - self.textFieldInsets.bottom))
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var nextButtonTopRight = CGPoint(x: width - self.textFieldInsets.right - accessoryButtonInset, y: panelHeight - self.textFieldInsets.bottom - minimalInputHeight)
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for (_, button) in self.accessoryItemButtons.reversed() {
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let buttonSize = CGSize(width: button.buttonWidth, height: minimalInputHeight)
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let buttonFrame = CGRect(origin: CGPoint(x: nextButtonTopRight.x - buttonSize.width, y: nextButtonTopRight.y + floor((minimalInputHeight - buttonSize.height) / 2.0)), size: buttonSize)
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if button.superview == nil {
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self.view.addSubview(button)
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button.frame = buttonFrame
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transition.updateFrame(layer: button.layer, frame: buttonFrame)
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if animatedTransition {
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button.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.25)
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button.layer.animateScale(from: 0.2, to: 1.0, duration: 0.25)
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}
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} else {
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transition.updateFrame(layer: button.layer, frame: buttonFrame)
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}
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nextButtonTopRight.x -= buttonSize.width
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nextButtonTopRight.x -= accessoryButtonSpacing
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}
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if let removeAccessoryButtons = removeAccessoryButtons {
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for button in removeAccessoryButtons {
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let buttonFrame = CGRect(origin: CGPoint(x: button.frame.origin.x, y: panelHeight - self.textFieldInsets.bottom - minimalInputHeight), size: button.frame.size)
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transition.updateFrame(layer: button.layer, frame: buttonFrame)
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button.layer.animateScale(from: 1.0, to: 0.2, duration: 0.25, removeOnCompletion: false)
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button.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.25, removeOnCompletion: false, completion: { [weak button] _ in
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button?.removeFromSuperview()
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})
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}
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}
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return panelHeight
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}
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@objc func editableTextNodeDidUpdateText(_ editableTextNode: ASEditableTextNode) {
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if let textInputNode = self.textInputNode {
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self.textPlaceholderNode.isHidden = editableTextNode.attributedText?.length ?? 0 != 0
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if let text = self.textInputNode?.attributedText, text.length != 0 {
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if self.sendButton.alpha.isZero {
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self.sendButton.alpha = 1.0
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self.micButton.alpha = 0.0
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self.sendButton.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.1)
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self.sendButton.layer.animateSpring(from: NSNumber(value: Float(0.1)), to: NSNumber(value: Float(1.0)), keyPath: "transform.scale", duration: 0.6)
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self.micButton.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.2)
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}
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} else {
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if self.micButton.alpha.isZero {
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self.micButton.alpha = 1.0
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self.sendButton.alpha = 0.0
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self.micButton.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.1)
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self.micButton.layer.animateSpring(from: NSNumber(value: Float(0.1)), to: NSNumber(value: Float(1.0)), keyPath: "transform.scale", duration: 0.6)
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self.sendButton.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.2)
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}
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}
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self.interfaceInteraction?.updateTextInputState(self.inputTextState)
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}
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}
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@objc func editableTextNodeDidChangeSelection(_ editableTextNode: ASEditableTextNode, fromSelectedRange: NSRange, toSelectedRange: NSRange, dueToEditing: Bool) {
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if !dueToEditing && !updatingInputState {
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self.interfaceInteraction?.updateTextInputState(self.inputTextState)
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}
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}
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@objc func editableTextNodeDidBeginEditing(_ editableTextNode: ASEditableTextNode) {
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self.interfaceInteraction?.updateInputMode({ _ in .text })
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}
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@objc func editableTextNodeDidFinishEditing(_ editableTextNode: ASEditableTextNode) {
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/*self.interfaceInteraction?.updateInputMode({ mode in
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if case .text = mode {
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return .none
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} else {
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return mode
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}
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})*/
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}
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@objc func sendButtonPressed() {
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let text = self.textInputNode?.attributedText?.string ?? ""
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if !text.isEmpty {
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self.sendMessage()
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}
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}
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@objc func attachmentButtonPressed() {
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self.displayAttachmentMenu()
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}
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@objc func micButtonPressed() {
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}
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@objc func textInputBackgroundViewTap(_ recognizer: UITapGestureRecognizer) {
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if case .ended = recognizer.state {
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self.ensureFocused()
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}
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}
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var isFocused: Bool {
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return self.textInputNode?.isFirstResponder() ?? false
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}
|
|
|
|
func ensureUnfocused() {
|
|
self.textInputNode?.resignFirstResponder()
|
|
}
|
|
|
|
func ensureFocused() {
|
|
if self.textInputNode == nil {
|
|
self.loadTextInputNode()
|
|
}
|
|
|
|
self.textInputNode?.becomeFirstResponder()
|
|
}
|
|
|
|
func animateTextSend() {
|
|
/*if let textInputNode = self.textInputNode {
|
|
let snapshot = textInputNode.view.snapshotViewAfterScreenUpdates(false)
|
|
snapshot.frame = self.textInputBackgroundView.convertRect(textInputNode.view.bounds, fromView: textInputNode.view)
|
|
self.textInputBackgroundView.addSubview(snapshot)
|
|
UIView.animateWithDuration(0.3, animations: {
|
|
snapshot.alpha = 0.0
|
|
snapshot.transform = CGAffineTransformMakeTranslation(0.0, -20.0)
|
|
}, completion: { _ in
|
|
snapshot.removeFromSuperview()
|
|
})
|
|
}*/
|
|
}
|
|
|
|
@objc func accessoryItemButtonPressed(_ button: UIView) {
|
|
for (item, currentButton) in self.accessoryItemButtons {
|
|
if currentButton === button {
|
|
switch item {
|
|
case .inputButtons:
|
|
break
|
|
case .stickers:
|
|
self.interfaceInteraction?.updateInputMode({ _ in .media })
|
|
case .keyboard:
|
|
self.interfaceInteraction?.updateInputMode({ _ in .text })
|
|
}
|
|
break
|
|
}
|
|
}
|
|
}
|
|
}
|