Swiftgram/submodules/TelegramUI/Sources/PeerSelectionTextInputPanelNode.swift
2021-11-26 21:18:40 +04:00

1090 lines
57 KiB
Swift

import Foundation
import UIKit
import Display
import AsyncDisplayKit
import SwiftSignalKit
import Postbox
import TelegramCore
import MobileCoreServices
import TelegramPresentationData
import TextFormat
import AccountContext
import TouchDownGesture
import ActivityIndicator
import Speak
import ObjCRuntimeUtils
import LegacyComponents
private let counterFont = Font.with(size: 14.0, design: .regular, traits: [.monospacedNumbers])
private let minInputFontSize = chatTextInputMinFontSize
private func calclulateTextFieldMinHeight(_ presentationInterfaceState: ChatPresentationInterfaceState, metrics: LayoutMetrics) -> CGFloat {
let baseFontSize = max(minInputFontSize, presentationInterfaceState.fontSize.baseDisplaySize)
var result: CGFloat
if baseFontSize.isEqual(to: 26.0) {
result = 42.0
} else if baseFontSize.isEqual(to: 23.0) {
result = 38.0
} else if baseFontSize.isEqual(to: 17.0) {
result = 31.0
} else if baseFontSize.isEqual(to: 19.0) {
result = 33.0
} else if baseFontSize.isEqual(to: 21.0) {
result = 35.0
} else {
result = 31.0
}
if case .regular = metrics.widthClass {
result = max(33.0, result)
}
return result
}
private func calculateTextFieldRealInsets(_ presentationInterfaceState: ChatPresentationInterfaceState) -> UIEdgeInsets {
let baseFontSize = max(minInputFontSize, presentationInterfaceState.fontSize.baseDisplaySize)
let top: CGFloat
let bottom: CGFloat
if baseFontSize.isEqual(to: 14.0) {
top = 2.0
bottom = 1.0
} else if baseFontSize.isEqual(to: 15.0) {
top = 1.0
bottom = 1.0
} else if baseFontSize.isEqual(to: 16.0) {
top = 0.5
bottom = 0.0
} else {
top = 0.0
bottom = 0.0
}
return UIEdgeInsets(top: 4.5 + top, left: 0.0, bottom: 5.5 + bottom, right: 0.0)
}
private var currentTextInputBackgroundImage: (UIColor, UIColor, CGFloat, UIImage)?
private func textInputBackgroundImage(backgroundColor: UIColor?, inputBackgroundColor: UIColor?, strokeColor: UIColor, diameter: CGFloat, caption: Bool) -> UIImage? {
if let backgroundColor = backgroundColor, let current = currentTextInputBackgroundImage {
if current.0.isEqual(backgroundColor) && current.1.isEqual(strokeColor) && current.2.isEqual(to: diameter) {
return current.3
}
}
let image = generateImage(CGSize(width: diameter, height: diameter), rotatedContext: { size, context in
context.clear(CGRect(x: 0.0, y: 0.0, width: diameter, height: diameter))
if caption {
context.setBlendMode(.normal)
context.setFillColor(strokeColor.cgColor)
} else if let inputBackgroundColor = inputBackgroundColor {
context.setBlendMode(.normal)
context.setFillColor(inputBackgroundColor.cgColor)
} else {
context.setBlendMode(.clear)
context.setFillColor(UIColor.clear.cgColor)
}
context.fillEllipse(in: CGRect(x: 0.0, y: 0.0, width: diameter, height: diameter))
if !caption {
context.setBlendMode(.normal)
context.setStrokeColor(strokeColor.cgColor)
let strokeWidth: CGFloat = 1.0
context.setLineWidth(strokeWidth)
context.strokeEllipse(in: CGRect(x: strokeWidth / 2.0, y: strokeWidth / 2.0, width: diameter - strokeWidth, height: diameter - strokeWidth))
}
})?.stretchableImage(withLeftCapWidth: Int(diameter) / 2, topCapHeight: Int(diameter) / 2)
if let image = image {
if let backgroundColor = backgroundColor {
currentTextInputBackgroundImage = (backgroundColor, strokeColor, diameter, image)
}
return image
} else {
return nil
}
}
class CaptionEditableTextNode: EditableTextNode {
override func hitTest(_ point: CGPoint, with event: UIEvent?) -> UIView? {
let previousAlpha = self.alpha
self.alpha = 1.0
let result = super.hitTest(point, with: event)
self.alpha = previousAlpha
return result
}
}
class PeerSelectionTextInputPanelNode: ChatInputPanelNode, TGCaptionPanelView, ASEditableTextNodeDelegate {
private let isCaption: Bool
var textPlaceholderNode: ImmediateTextNode
let textInputContainerBackgroundNode: ASImageNode
let textInputContainer: ASDisplayNode
var textInputNode: CaptionEditableTextNode?
private var oneLineNode: ImmediateTextNode
let textInputBackgroundNode: ASDisplayNode
let textInputBackgroundImageNode: ASImageNode
private var transparentTextInputBackgroundImage: UIImage?
let actionButtons: ChatTextInputActionButtonsNode
private let counterTextNode: ImmediateTextNode
private var validLayout: (CGFloat, CGFloat, CGFloat, UIEdgeInsets, CGFloat, LayoutMetrics, Bool)?
var sendMessage: (PeerSelectionControllerSendMode) -> Void = { _ in }
var updateHeight: (Bool) -> Void = { _ in }
private var updatingInputState = false
private var currentPlaceholder: String?
var effectivePresentationInterfaceState: (() -> ChatPresentationInterfaceState?)?
private var presentationInterfaceState: ChatPresentationInterfaceState?
private var initializedPlaceholder = false
private let inputMenu = ChatTextInputMenu()
private var theme: PresentationTheme?
private var strings: PresentationStrings?
private let hapticFeedback = HapticFeedback()
var inputTextState: ChatTextInputState {
if let textInputNode = self.textInputNode {
let selectionRange: Range<Int> = textInputNode.selectedRange.location ..< (textInputNode.selectedRange.location + textInputNode.selectedRange.length)
return ChatTextInputState(inputText: stateAttributedStringForText(textInputNode.attributedText ?? NSAttributedString()), selectionRange: selectionRange)
} else {
return ChatTextInputState()
}
}
var storedInputLanguage: String?
var effectiveInputLanguage: String? {
if let textInputNode = textInputNode, textInputNode.isFirstResponder() {
return textInputNode.textInputMode.primaryLanguage
} else {
return self.storedInputLanguage
}
}
var enablePredictiveInput: Bool = true {
didSet {
if let textInputNode = self.textInputNode {
textInputNode.textView.autocorrectionType = self.enablePredictiveInput ? .default : .no
}
}
}
override var context: AccountContext? {
didSet {
self.actionButtons.micButton.account = self.context?.account
}
}
var micButton: ChatTextInputMediaRecordingButton? {
return self.actionButtons.micButton
}
func updateSendButtonEnabled(_ enabled: Bool, animated: Bool) {
self.actionButtons.isUserInteractionEnabled = enabled
let transition: ContainedViewLayoutTransition = animated ? .animated(duration: 0.2, curve: .easeInOut) : .immediate
transition.updateAlpha(node: self.actionButtons, alpha: enabled ? 1.0 : 0.3)
}
func updateInputTextState(_ state: ChatTextInputState, animated: Bool) {
if state.inputText.length != 0 && self.textInputNode == nil {
self.loadTextInputNode()
}
if let textInputNode = self.textInputNode, let _ = self.presentationInterfaceState {
self.updatingInputState = true
var textColor: UIColor = .black
var accentTextColor: UIColor = .blue
var baseFontSize: CGFloat = 17.0
if let presentationInterfaceState = self.presentationInterfaceState {
textColor = presentationInterfaceState.theme.chat.inputPanel.inputTextColor
accentTextColor = presentationInterfaceState.theme.chat.inputPanel.panelControlAccentColor
baseFontSize = max(minInputFontSize, presentationInterfaceState.fontSize.baseDisplaySize)
}
textInputNode.attributedText = textAttributedStringForStateText(state.inputText, fontSize: baseFontSize, textColor: textColor, accentTextColor: accentTextColor, writingDirection: nil)
textInputNode.selectedRange = NSMakeRange(state.selectionRange.lowerBound, state.selectionRange.count)
self.updatingInputState = false
self.updateTextNodeText(animated: animated)
}
}
var text: String {
get {
return self.textInputNode?.attributedText?.string ?? ""
} set(value) {
if let textInputNode = self.textInputNode {
var textColor: UIColor = .black
var baseFontSize: CGFloat = 17.0
if let presentationInterfaceState = self.presentationInterfaceState {
textColor = presentationInterfaceState.theme.chat.inputPanel.inputTextColor
baseFontSize = max(minInputFontSize, presentationInterfaceState.fontSize.baseDisplaySize)
}
textInputNode.attributedText = NSAttributedString(string: value, font: Font.regular(baseFontSize), textColor: textColor)
self.editableTextNodeDidUpdateText(textInputNode)
}
}
}
func caption() -> NSAttributedString {
return self.textInputNode?.attributedText ?? NSAttributedString()
}
private let textInputViewInternalInsets = UIEdgeInsets(top: 1.0, left: 13.0, bottom: 1.0, right: 13.0)
init(presentationInterfaceState: ChatPresentationInterfaceState, isCaption: Bool = false, presentController: @escaping (ViewController) -> Void) {
self.presentationInterfaceState = presentationInterfaceState
self.isCaption = isCaption
self.textInputContainerBackgroundNode = ASImageNode()
self.textInputContainerBackgroundNode.isUserInteractionEnabled = false
self.textInputContainerBackgroundNode.displaysAsynchronously = false
self.textInputContainer = ASDisplayNode()
if !isCaption {
self.textInputContainer.addSubnode(self.textInputContainerBackgroundNode)
}
self.textInputContainer.clipsToBounds = true
self.textInputBackgroundNode = ASDisplayNode()
self.textInputBackgroundImageNode = ASImageNode()
self.textInputBackgroundImageNode.displaysAsynchronously = false
self.textInputBackgroundImageNode.displayWithoutProcessing = true
self.textPlaceholderNode = ImmediateTextNode()
self.textPlaceholderNode.maximumNumberOfLines = 1
self.textPlaceholderNode.isUserInteractionEnabled = false
self.oneLineNode = ImmediateTextNode()
self.oneLineNode.maximumNumberOfLines = 1
self.oneLineNode.isUserInteractionEnabled = false
self.actionButtons = ChatTextInputActionButtonsNode(presentationInterfaceState: presentationInterfaceState, presentationContext: nil, presentController: presentController)
self.counterTextNode = ImmediateTextNode()
self.counterTextNode.textAlignment = .center
super.init()
self.actionButtons.sendButtonLongPressed = { [weak self] node, gesture in
self?.interfaceInteraction?.displaySendMessageOptions(node, gesture)
}
self.actionButtons.sendButton.addTarget(self, action: #selector(self.sendButtonPressed), forControlEvents: .touchUpInside)
self.actionButtons.sendButton.alpha = 1.0
self.actionButtons.micButton.alpha = 0.0
self.actionButtons.expandMediaInputButton.alpha = 0.0
self.actionButtons.updateAccessibility()
self.addSubnode(self.textInputContainer)
self.addSubnode(self.textInputBackgroundNode)
self.textInputBackgroundNode.addSubnode(self.textInputBackgroundImageNode)
self.addSubnode(self.textPlaceholderNode)
self.addSubnode(self.actionButtons)
self.addSubnode(self.counterTextNode)
if isCaption {
self.addSubnode(self.oneLineNode)
}
self.textInputBackgroundImageNode.clipsToBounds = true
let recognizer = TouchDownGestureRecognizer(target: self, action: #selector(self.textInputBackgroundViewTap(_:)))
recognizer.touchDown = { [weak self] in
if let strongSelf = self {
strongSelf.ensureFocused()
}
}
self.textInputBackgroundNode.view.addGestureRecognizer(recognizer)
self.updateSendButtonEnabled(isCaption, animated: false)
}
var sendPressed: ((NSAttributedString?) -> Void)?
var focusUpdated: ((Bool) -> Void)?
var heightUpdated: ((Bool) -> Void)?
public func updateLayoutSize(_ size: CGSize, sideInset: CGFloat) -> CGFloat {
guard let presentationInterfaceState = self.presentationInterfaceState else {
return 0.0
}
return self.updateLayout(width: size.width, leftInset: sideInset, rightInset: sideInset, additionalSideInsets: UIEdgeInsets(), maxHeight: size.height, isSecondary: false, transition: .immediate, interfaceState: presentationInterfaceState, metrics: LayoutMetrics(widthClass: .compact, heightClass: .compact))
}
public func setCaption(_ caption: NSAttributedString?) {
self.interfaceInteraction?.updateTextInputStateAndMode { state, inputMode in
return (ChatTextInputState(inputText: caption ?? NSAttributedString()), inputMode)
}
}
public func dismissInput() {
self.view.window?.endEditing(true)
}
public func baseHeight() -> CGFloat {
return 45.0
}
required init?(coder aDecoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
func loadTextInputNodeIfNeeded() {
if self.textInputNode == nil {
self.loadTextInputNode()
}
}
private func loadTextInputNode() {
let textInputNode = CaptionEditableTextNode()
textInputNode.initialPrimaryLanguage = self.presentationInterfaceState?.interfaceState.inputLanguage
var textColor: UIColor = .black
var tintColor: UIColor = .blue
var baseFontSize: CGFloat = 17.0
var keyboardAppearance: UIKeyboardAppearance = UIKeyboardAppearance.default
if let presentationInterfaceState = self.presentationInterfaceState {
textColor = presentationInterfaceState.theme.chat.inputPanel.inputTextColor
tintColor = presentationInterfaceState.theme.list.itemAccentColor
baseFontSize = max(minInputFontSize, presentationInterfaceState.fontSize.baseDisplaySize)
keyboardAppearance = presentationInterfaceState.theme.rootController.keyboardColor.keyboardAppearance
}
let paragraphStyle = NSMutableParagraphStyle()
paragraphStyle.lineSpacing = 1.0
paragraphStyle.lineHeightMultiple = 1.0
paragraphStyle.paragraphSpacing = 1.0
paragraphStyle.maximumLineHeight = 20.0
paragraphStyle.minimumLineHeight = 20.0
textInputNode.typingAttributes = [NSAttributedString.Key.font.rawValue: Font.regular(max(minInputFontSize, baseFontSize)), NSAttributedString.Key.foregroundColor.rawValue: textColor, NSAttributedString.Key.paragraphStyle.rawValue: paragraphStyle]
textInputNode.clipsToBounds = false
textInputNode.textView.clipsToBounds = false
textInputNode.delegate = self
textInputNode.hitTestSlop = UIEdgeInsets(top: -5.0, left: -5.0, bottom: -5.0, right: -5.0)
textInputNode.keyboardAppearance = keyboardAppearance
textInputNode.tintColor = tintColor
textInputNode.textView.scrollIndicatorInsets = UIEdgeInsets(top: 9.0, left: 0.0, bottom: 9.0, right: -13.0)
self.textInputContainer.addSubnode(textInputNode)
textInputNode.view.disablesInteractiveTransitionGestureRecognizer = true
self.textInputNode = textInputNode
if let presentationInterfaceState = self.presentationInterfaceState {
refreshChatTextInputTypingAttributes(textInputNode, theme: presentationInterfaceState.theme, baseFontSize: baseFontSize)
textInputNode.textContainerInset = calculateTextFieldRealInsets(presentationInterfaceState)
}
if !self.textInputContainer.bounds.size.width.isZero {
let textInputFrame = self.textInputContainer.frame
textInputNode.frame = CGRect(origin: CGPoint(x: self.textInputViewInternalInsets.left, y: self.textInputViewInternalInsets.top), size: CGSize(width: textInputFrame.size.width - (self.textInputViewInternalInsets.left + self.textInputViewInternalInsets.right), height: textInputFrame.size.height - self.textInputViewInternalInsets.top - self.textInputViewInternalInsets.bottom))
}
self.textInputBackgroundNode.isUserInteractionEnabled = false
self.textInputBackgroundNode.view.removeGestureRecognizer(self.textInputBackgroundNode.view.gestureRecognizers![0])
let recognizer = TouchDownGestureRecognizer(target: self, action: #selector(self.textInputBackgroundViewTap(_:)))
recognizer.touchDown = { [weak self] in
if let strongSelf = self {
strongSelf.ensureFocused()
}
}
textInputNode.view.addGestureRecognizer(recognizer)
textInputNode.textView.accessibilityHint = self.textPlaceholderNode.attributedText?.string
}
private func textFieldMaxHeight(_ maxHeight: CGFloat, metrics: LayoutMetrics) -> CGFloat {
let textFieldInsets = self.textFieldInsets(metrics: metrics)
return max(33.0, maxHeight - (textFieldInsets.top + textFieldInsets.bottom + self.textInputViewInternalInsets.top + self.textInputViewInternalInsets.bottom))
}
private func calculateTextFieldMetrics(width: CGFloat, maxHeight: CGFloat, metrics: LayoutMetrics) -> (accessoryButtonsWidth: CGFloat, textFieldHeight: CGFloat) {
let textFieldInsets = self.textFieldInsets(metrics: metrics)
let fieldMaxHeight = textFieldMaxHeight(maxHeight, metrics: metrics)
var textFieldMinHeight: CGFloat = 35.0
if let presentationInterfaceState = self.presentationInterfaceState {
textFieldMinHeight = calclulateTextFieldMinHeight(presentationInterfaceState, metrics: metrics)
}
let textFieldHeight: CGFloat
if let textInputNode = self.textInputNode {
let maxTextWidth = width - textFieldInsets.left - textFieldInsets.right - self.textInputViewInternalInsets.left - self.textInputViewInternalInsets.right
let measuredHeight = textInputNode.measure(CGSize(width: maxTextWidth, height: CGFloat.greatestFiniteMagnitude))
let unboundTextFieldHeight = max(textFieldMinHeight, ceil(measuredHeight.height))
let maxNumberOfLines = min(12, (Int(fieldMaxHeight - 11.0) - 33) / 22)
let updatedMaxHeight = (CGFloat(maxNumberOfLines) * (22.0 + 2.0) + 10.0)
textFieldHeight = max(textFieldMinHeight, min(updatedMaxHeight, unboundTextFieldHeight))
} else {
textFieldHeight = textFieldMinHeight
}
return (0.0, textFieldHeight)
}
private func textFieldInsets(metrics: LayoutMetrics) -> UIEdgeInsets {
var insets = UIEdgeInsets(top: 6.0, left: 6.0, bottom: 6.0, right: 42.0)
if case .regular = metrics.widthClass, case .regular = metrics.heightClass {
insets.top += 1.0
insets.bottom += 1.0
}
return insets
}
private func panelHeight(textFieldHeight: CGFloat, metrics: LayoutMetrics) -> CGFloat {
let textFieldInsets = self.textFieldInsets(metrics: metrics)
let result = textFieldHeight + textFieldInsets.top + textFieldInsets.bottom + self.textInputViewInternalInsets.top + self.textInputViewInternalInsets.bottom
return result
}
override func minimalHeight(interfaceState: ChatPresentationInterfaceState, metrics: LayoutMetrics) -> CGFloat {
let textFieldMinHeight = calclulateTextFieldMinHeight(interfaceState, metrics: metrics)
var minimalHeight: CGFloat = 14.0 + textFieldMinHeight
if case .regular = metrics.widthClass, case .regular = metrics.heightClass {
minimalHeight += 2.0
}
return minimalHeight
}
override func updateLayout(width: CGFloat, leftInset: CGFloat, rightInset: CGFloat, additionalSideInsets: UIEdgeInsets, maxHeight: CGFloat, isSecondary: Bool, transition: ContainedViewLayoutTransition, interfaceState: ChatPresentationInterfaceState, metrics: LayoutMetrics) -> CGFloat {
let hadLayout = self.validLayout != nil
let previousAdditionalSideInsets = self.validLayout?.3
self.validLayout = (width, leftInset, rightInset, additionalSideInsets, maxHeight, metrics, isSecondary)
var transition = transition
if let previousAdditionalSideInsets = previousAdditionalSideInsets, previousAdditionalSideInsets.right != additionalSideInsets.right {
if case .animated = transition {
transition = .animated(duration: 0.2, curve: .easeInOut)
}
}
if self.presentationInterfaceState != interfaceState || !hadLayout {
let previousState = self.presentationInterfaceState
self.presentationInterfaceState = interfaceState
let themeUpdated = previousState?.theme !== interfaceState.theme
var updateSendButtonIcon = false
if (previousState?.interfaceState.editMessage != nil) != (interfaceState.interfaceState.editMessage != nil) {
updateSendButtonIcon = true
}
if self.theme !== interfaceState.theme {
updateSendButtonIcon = true
if self.theme == nil || !self.theme!.chat.inputPanel.inputTextColor.isEqual(interfaceState.theme.chat.inputPanel.inputTextColor) {
let textColor = interfaceState.theme.chat.inputPanel.inputTextColor
let baseFontSize = max(minInputFontSize, interfaceState.fontSize.baseDisplaySize)
if let textInputNode = self.textInputNode {
if let text = textInputNode.attributedText {
let selectedRange = textInputNode.selectedRange
let textRange = NSMakeRange(0, (text.string as NSString).length)
let updatedText = NSMutableAttributedString(attributedString: text)
updatedText.removeAttribute(.foregroundColor, range: textRange)
updatedText.addAttribute(.foregroundColor, value: textColor, range: textRange)
textInputNode.attributedText = updatedText
textInputNode.selectedRange = selectedRange
}
textInputNode.typingAttributes = [NSAttributedString.Key.font.rawValue: Font.regular(baseFontSize), NSAttributedString.Key.foregroundColor.rawValue: textColor]
}
}
let keyboardAppearance = interfaceState.theme.rootController.keyboardColor.keyboardAppearance
if let textInputNode = self.textInputNode, textInputNode.keyboardAppearance != keyboardAppearance, textInputNode.isFirstResponder() {
if textInputNode.isCurrentlyEmoji() {
textInputNode.initialPrimaryLanguage = "emoji"
textInputNode.resetInitialPrimaryLanguage()
}
textInputNode.keyboardAppearance = keyboardAppearance
}
self.theme = interfaceState.theme
self.actionButtons.updateTheme(theme: interfaceState.theme, wallpaper: interfaceState.chatWallpaper)
let textFieldMinHeight = calclulateTextFieldMinHeight(interfaceState, metrics: metrics)
let minimalInputHeight: CGFloat = 2.0 + textFieldMinHeight
let backgroundColor: UIColor
if case let .color(color) = interfaceState.chatWallpaper, UIColor(rgb: color).isEqual(interfaceState.theme.chat.inputPanel.panelBackgroundColorNoWallpaper) {
backgroundColor = interfaceState.theme.chat.inputPanel.panelBackgroundColorNoWallpaper
} else {
backgroundColor = interfaceState.theme.chat.inputPanel.panelBackgroundColor
}
self.textInputBackgroundImageNode.image = textInputBackgroundImage(backgroundColor: backgroundColor, inputBackgroundColor: nil, strokeColor: interfaceState.theme.chat.inputPanel.inputStrokeColor, diameter: minimalInputHeight, caption: self.isCaption)
self.transparentTextInputBackgroundImage = textInputBackgroundImage(backgroundColor: nil, inputBackgroundColor: interfaceState.theme.chat.inputPanel.inputBackgroundColor, strokeColor: interfaceState.theme.chat.inputPanel.inputStrokeColor, diameter: minimalInputHeight, caption: self.isCaption)
self.textInputContainerBackgroundNode.image = generateStretchableFilledCircleImage(diameter: minimalInputHeight, color: interfaceState.theme.chat.inputPanel.inputBackgroundColor)
} else {
if self.strings !== interfaceState.strings {
self.strings = interfaceState.strings
self.inputMenu.updateStrings(interfaceState.strings)
}
}
if themeUpdated || !self.initializedPlaceholder {
self.initializedPlaceholder = true
let placeholder = self.isCaption ? interfaceState.strings.MediaPicker_AddCaption : interfaceState.strings.Conversation_InputTextPlaceholder
if self.currentPlaceholder != placeholder || themeUpdated {
self.currentPlaceholder = placeholder
let baseFontSize = max(minInputFontSize, interfaceState.fontSize.baseDisplaySize)
self.textPlaceholderNode.attributedText = NSAttributedString(string: placeholder, font: Font.regular(baseFontSize), textColor: interfaceState.theme.chat.inputPanel.inputPlaceholderColor)
self.textInputNode?.textView.accessibilityHint = placeholder
let placeholderSize = self.textPlaceholderNode.updateLayout(CGSize(width: 320.0, height: CGFloat.greatestFiniteMagnitude))
if transition.isAnimated, let snapshotLayer = self.textPlaceholderNode.layer.snapshotContentTree() {
self.textPlaceholderNode.supernode?.layer.insertSublayer(snapshotLayer, above: self.textPlaceholderNode.layer)
snapshotLayer.animateAlpha(from: 1.0, to: 0.0, duration: 0.22, removeOnCompletion: false, completion: { [weak snapshotLayer] _ in
snapshotLayer?.removeFromSuperlayer()
})
self.textPlaceholderNode.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.18)
}
self.textPlaceholderNode.frame = CGRect(origin: self.textPlaceholderNode.frame.origin, size: placeholderSize)
}
self.actionButtons.sendButtonLongPressEnabled = true
}
let sendButtonHasApplyIcon = self.isCaption || interfaceState.interfaceState.editMessage != nil
if updateSendButtonIcon {
if !self.actionButtons.animatingSendButton {
let imageNode = self.actionButtons.sendButton.imageNode
if transition.isAnimated && !self.actionButtons.sendButton.alpha.isZero && self.actionButtons.sendButton.layer.animation(forKey: "opacity") == nil, let previousImage = imageNode.image {
let tempView = UIImageView(image: previousImage)
self.actionButtons.sendButton.view.addSubview(tempView)
tempView.frame = imageNode.frame
tempView.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.2, removeOnCompletion: false, completion: { [weak tempView] _ in
tempView?.removeFromSuperview()
})
tempView.layer.animateScale(from: 1.0, to: 0.2, duration: 0.2, removeOnCompletion: false)
imageNode.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.2)
imageNode.layer.animateScale(from: 0.2, to: 1.0, duration: 0.2)
}
self.actionButtons.sendButtonHasApplyIcon = sendButtonHasApplyIcon
if self.actionButtons.sendButtonHasApplyIcon {
self.actionButtons.sendButton.setImage(PresentationResourcesChat.chatInputPanelApplyButtonImage(interfaceState.theme), for: [])
} else {
self.actionButtons.sendButton.setImage(PresentationResourcesChat.chatInputPanelSendButtonImage(interfaceState.theme), for: [])
}
}
}
}
var textFieldMinHeight: CGFloat = 33.0
if let presentationInterfaceState = self.presentationInterfaceState {
textFieldMinHeight = calclulateTextFieldMinHeight(presentationInterfaceState, metrics: metrics)
}
let minimalHeight: CGFloat = 14.0 + textFieldMinHeight
let baseWidth = width - leftInset - rightInset
let (_, textFieldHeight) = self.calculateTextFieldMetrics(width: baseWidth, maxHeight: maxHeight, metrics: metrics)
var panelHeight = self.panelHeight(textFieldHeight: textFieldHeight, metrics: metrics)
var composeButtonsOffset: CGFloat = 0.0
let textInputBackgroundWidthOffset: CGFloat = 0.0
self.updateCounterTextNode(transition: transition)
var inputHasText = false
if let textInputNode = self.textInputNode, let attributedText = textInputNode.attributedText, attributedText.length != 0 {
inputHasText = true
}
var textFieldInsets = self.textFieldInsets(metrics: metrics)
if additionalSideInsets.right > 0.0 {
textFieldInsets.right += additionalSideInsets.right / 3.0
}
var textInputViewRealInsets = UIEdgeInsets()
if let presentationInterfaceState = self.presentationInterfaceState {
textInputViewRealInsets = calculateTextFieldRealInsets(presentationInterfaceState)
}
if self.isCaption {
if !(self.textInputNode?.isFirstResponder() ?? false) {
panelHeight = minimalHeight
transition.updateAlpha(node: self.oneLineNode, alpha: inputHasText ? 1.0 : 0.0)
if let textInputNode = self.textInputNode {
transition.updateAlpha(node: textInputNode, alpha: inputHasText ? 0.0 : 1.0)
}
} else {
self.oneLineNode.alpha = 0.0
self.textInputNode?.alpha = 1.0
}
let oneLineSize = self.oneLineNode.updateLayout(CGSize(width: baseWidth - textFieldInsets.left - textFieldInsets.right, height: CGFloat.greatestFiniteMagnitude))
let oneLineFrame = CGRect(origin: CGPoint(x: leftInset + textFieldInsets.left + self.textInputViewInternalInsets.left, y: textFieldInsets.top + self.textInputViewInternalInsets.top + textInputViewRealInsets.top + UIScreenPixel), size: oneLineSize)
self.oneLineNode.frame = oneLineFrame
}
self.textPlaceholderNode.isHidden = inputHasText
if self.isCaption {
if self.isFocused {
transition.updateAlpha(node: self.actionButtons, alpha: 1.0)
transition.updateTransformScale(node: self.actionButtons, scale: 1.0)
composeButtonsOffset = 0.0
transition.updateAlpha(node: self.textInputBackgroundImageNode, alpha: 1.0)
} else {
transition.updateAlpha(node: self.actionButtons, alpha: 0.0)
transition.updateTransformScale(node: self.actionButtons, scale: 0.001)
composeButtonsOffset = 36.0
transition.updateAlpha(node: self.textInputBackgroundImageNode, alpha: inputHasText ? 1.0 : 0.0)
}
}
let actionButtonsFrame = CGRect(origin: CGPoint(x: width - rightInset - 43.0 - UIScreenPixel + composeButtonsOffset, y: panelHeight - minimalHeight), size: CGSize(width: 44.0, height: minimalHeight))
transition.updateFrame(node: self.actionButtons, frame: actionButtonsFrame)
if let presentationInterfaceState = self.presentationInterfaceState {
self.actionButtons.updateLayout(size: CGSize(width: 44.0, height: minimalHeight), transition: transition, interfaceState: presentationInterfaceState)
}
let textInputFrame = CGRect(x: leftInset + textFieldInsets.left, y: textFieldInsets.top, width: baseWidth - textFieldInsets.left - textFieldInsets.right + textInputBackgroundWidthOffset, height: panelHeight - textFieldInsets.top - textFieldInsets.bottom)
let textInputBackgroundFrame = CGRect(origin: CGPoint(), size: CGSize(width: textInputFrame.size.width + composeButtonsOffset, height: textInputFrame.size.height))
transition.updateFrame(node: self.textInputContainer, frame: textInputFrame)
transition.updateFrame(node: self.textInputContainerBackgroundNode, frame: textInputBackgroundFrame)
if let textInputNode = self.textInputNode {
let textFieldFrame = CGRect(origin: CGPoint(x: self.textInputViewInternalInsets.left, y: self.textInputViewInternalInsets.top), size: CGSize(width: textInputFrame.size.width - (self.textInputViewInternalInsets.left + self.textInputViewInternalInsets.right), height: textInputFrame.size.height - self.textInputViewInternalInsets.top - textInputViewInternalInsets.bottom))
let shouldUpdateLayout = textFieldFrame.size != textInputNode.frame.size
transition.updateFrame(node: textInputNode, frame: textFieldFrame)
if shouldUpdateLayout {
textInputNode.layout()
}
}
let placeholderFrame: CGRect
if self.isCaption && !self.isFocused {
placeholderFrame = CGRect(origin: CGPoint(x: textInputFrame.minX + floorToScreenPixels((textInputBackgroundFrame.width - self.textPlaceholderNode.frame.width) / 2.0), y: textFieldInsets.top + self.textInputViewInternalInsets.top + textInputViewRealInsets.top + UIScreenPixel), size: self.textPlaceholderNode.frame.size)
} else {
placeholderFrame = CGRect(origin: CGPoint(x: leftInset + textFieldInsets.left + self.textInputViewInternalInsets.left, y: textFieldInsets.top + self.textInputViewInternalInsets.top + textInputViewRealInsets.top + UIScreenPixel), size: self.textPlaceholderNode.frame.size)
}
transition.updateFrame(node: self.textPlaceholderNode, frame: placeholderFrame)
transition.updateFrame(layer: self.textInputBackgroundNode.layer, frame: CGRect(x: leftInset + textFieldInsets.left, y: textFieldInsets.top, width: baseWidth - textFieldInsets.left - textFieldInsets.right + textInputBackgroundWidthOffset + composeButtonsOffset, height: panelHeight - textFieldInsets.top - textFieldInsets.bottom))
transition.updateFrame(layer: self.textInputBackgroundImageNode.layer, frame: CGRect(x: 0.0, y: 0.0, width: baseWidth - textFieldInsets.left - textFieldInsets.right + textInputBackgroundWidthOffset + composeButtonsOffset, height: panelHeight - textFieldInsets.top - textFieldInsets.bottom))
self.actionButtons.updateAccessibility()
if let prevInputPanelNode = self.prevInputPanelNode {
prevInputPanelNode.frame = CGRect(origin: .zero, size: prevInputPanelNode.frame.size)
}
return panelHeight
}
override func canHandleTransition(from prevInputPanelNode: ChatInputPanelNode?) -> Bool {
return false
}
@objc func editableTextNodeDidUpdateText(_ editableTextNode: ASEditableTextNode) {
if let textInputNode = self.textInputNode, let presentationInterfaceState = self.presentationInterfaceState {
let baseFontSize = max(minInputFontSize, presentationInterfaceState.fontSize.baseDisplaySize)
refreshChatTextInputAttributes(textInputNode, theme: presentationInterfaceState.theme, baseFontSize: baseFontSize)
refreshChatTextInputTypingAttributes(textInputNode, theme: presentationInterfaceState.theme, baseFontSize: baseFontSize)
let inputTextState = self.inputTextState
self.interfaceInteraction?.updateTextInputStateAndMode({ _, inputMode in return (inputTextState, inputMode) })
self.interfaceInteraction?.updateInputLanguage({ _ in return textInputNode.textInputMode.primaryLanguage })
if self.isCaption, let presentationInterfaceState = self.presentationInterfaceState {
self.presentationInterfaceState = presentationInterfaceState.updatedInterfaceState({
return $0.withUpdatedComposeInputState(inputTextState)
})
}
self.updateTextNodeText(animated: true)
self.updateCounterTextNode(transition: .immediate)
}
}
private func updateCounterTextNode(transition: ContainedViewLayoutTransition) {
let inputTextMaxLength: Int?
if self.isCaption {
inputTextMaxLength = self.context?.currentLimitsConfiguration.with { $0 }.maxMediaCaptionLength
} else {
inputTextMaxLength = nil
}
if let textInputNode = self.textInputNode, let presentationInterfaceState = self.presentationInterfaceState, let inputTextMaxLength = inputTextMaxLength {
let textCount = Int32(textInputNode.textView.text.count)
let counterColor: UIColor = textCount > inputTextMaxLength ? presentationInterfaceState.theme.chat.inputPanel.panelControlDestructiveColor : presentationInterfaceState.theme.chat.inputPanel.panelControlColor
let remainingCount = max(-999, inputTextMaxLength - textCount)
let counterText = remainingCount >= 5 ? "" : "\(remainingCount)"
self.counterTextNode.attributedText = NSAttributedString(string: counterText, font: counterFont, textColor: counterColor)
} else {
self.counterTextNode.attributedText = NSAttributedString(string: "", font: counterFont, textColor: .black)
}
if let (width, leftInset, rightInset, _, maxHeight, metrics, _) = self.validLayout {
let composeButtonsOffset: CGFloat = 0.0
let (_, textFieldHeight) = self.calculateTextFieldMetrics(width: width - leftInset - rightInset, maxHeight: maxHeight, metrics: metrics)
let panelHeight = self.panelHeight(textFieldHeight: textFieldHeight, metrics: metrics)
var textFieldMinHeight: CGFloat = 33.0
if let presentationInterfaceState = self.presentationInterfaceState {
textFieldMinHeight = calclulateTextFieldMinHeight(presentationInterfaceState, metrics: metrics)
}
let minimalHeight: CGFloat = 14.0 + textFieldMinHeight
let counterSize = self.counterTextNode.updateLayout(CGSize(width: 44.0, height: 44.0))
let actionButtonsOriginX = width - rightInset - 43.0 - UIScreenPixel + composeButtonsOffset
let counterFrame = CGRect(origin: CGPoint(x: actionButtonsOriginX, y: panelHeight - minimalHeight - counterSize.height + 3.0), size: CGSize(width: width - actionButtonsOriginX - rightInset, height: counterSize.height))
transition.updateFrame(node: self.counterTextNode, frame: counterFrame)
}
}
private func updateTextNodeText(animated: Bool) {
var inputHasText = false
if let textInputNode = self.textInputNode, let attributedText = textInputNode.attributedText, attributedText.length != 0 {
inputHasText = true
}
if let _ = self.presentationInterfaceState {
self.textPlaceholderNode.isHidden = inputHasText
}
if let attributedText = self.textInputNode?.attributedText, let presentationInterfaceState = self.presentationInterfaceState {
let range = (attributedText.string as NSString).range(of: "\n")
if range.location != NSNotFound {
let textColor = presentationInterfaceState.theme.chat.inputPanel.inputTextColor
let textFont = Font.regular(max(minInputFontSize, presentationInterfaceState.fontSize.baseDisplaySize))
let trimmedText = NSMutableAttributedString(attributedString: attributedText.attributedSubstring(from: NSMakeRange(0, range.location)))
trimmedText.append(NSAttributedString(string: "\u{2026}", font: textFont, textColor: textColor))
self.oneLineNode.attributedText = trimmedText
} else {
self.oneLineNode.attributedText = attributedText
}
} else {
self.oneLineNode.attributedText = nil
}
self.updateTextHeight(animated: animated)
}
private func updateTextHeight(animated: Bool) {
if let (width, leftInset, rightInset, additionalSideInsets, maxHeight, metrics, _) = self.validLayout {
let (_, textFieldHeight) = self.calculateTextFieldMetrics(width: width - leftInset - rightInset - additionalSideInsets.right, maxHeight: maxHeight, metrics: metrics)
let panelHeight = self.panelHeight(textFieldHeight: textFieldHeight, metrics: metrics)
if !self.bounds.size.height.isEqual(to: panelHeight) {
self.updateHeight(animated)
self.heightUpdated?(animated)
}
}
}
@objc func editableTextNodeShouldReturn(_ editableTextNode: ASEditableTextNode) -> Bool {
if self.actionButtons.sendButton.supernode != nil && !self.actionButtons.sendButton.isHidden && !self.actionButtons.sendButton.alpha.isZero {
self.sendButtonPressed()
}
return false
}
private func applyUpdateSendButtonIcon() {
if let interfaceState = self.presentationInterfaceState {
let sendButtonHasApplyIcon = interfaceState.interfaceState.editMessage != nil
if sendButtonHasApplyIcon != self.actionButtons.sendButtonHasApplyIcon {
self.actionButtons.sendButtonHasApplyIcon = sendButtonHasApplyIcon
if self.actionButtons.sendButtonHasApplyIcon {
self.actionButtons.sendButton.setImage(PresentationResourcesChat.chatInputPanelApplyButtonImage(interfaceState.theme), for: [])
} else {
if case .scheduledMessages = interfaceState.subject {
self.actionButtons.sendButton.setImage(PresentationResourcesChat.chatInputPanelScheduleButtonImage(interfaceState.theme), for: [])
} else {
self.actionButtons.sendButton.setImage(PresentationResourcesChat.chatInputPanelSendButtonImage(interfaceState.theme), for: [])
}
}
}
}
}
@objc func editableTextNodeDidChangeSelection(_ editableTextNode: ASEditableTextNode, fromSelectedRange: NSRange, toSelectedRange: NSRange, dueToEditing: Bool) {
if !dueToEditing && !self.updatingInputState {
let inputTextState = self.inputTextState
self.interfaceInteraction?.updateTextInputStateAndMode({ _, inputMode in return (inputTextState, inputMode) })
}
if let textInputNode = self.textInputNode, let presentationInterfaceState = self.presentationInterfaceState {
if case .format = self.inputMenu.state {
self.inputMenu.deactivate()
UIMenuController.shared.update()
}
let baseFontSize = max(minInputFontSize, presentationInterfaceState.fontSize.baseDisplaySize)
refreshChatTextInputTypingAttributes(textInputNode, theme: presentationInterfaceState.theme, baseFontSize: baseFontSize)
}
}
@objc func editableTextNodeDidBeginEditing(_ editableTextNode: ASEditableTextNode) {
self.interfaceInteraction?.updateInputModeAndDismissedButtonKeyboardMessageId({ state in
return (.text, state.keyboardButtonsMessage?.id)
})
self.inputMenu.activate()
self.focusUpdated?(true)
if self.isCaption, let (width, leftInset, rightInset, additionalSideInsets, maxHeight, metrics, isSecondary) = self.validLayout, let presentationInterfaceState = self.presentationInterfaceState {
let _ = self.updateLayout(width: width, leftInset: leftInset, rightInset: rightInset, additionalSideInsets: additionalSideInsets, maxHeight: maxHeight, isSecondary: isSecondary, transition: .animated(duration: 0.3, curve: .easeInOut), interfaceState: presentationInterfaceState, metrics: metrics)
}
}
func editableTextNodeDidFinishEditing(_ editableTextNode: ASEditableTextNode) {
self.storedInputLanguage = editableTextNode.textInputMode.primaryLanguage
self.inputMenu.deactivate()
self.focusUpdated?(false)
if self.isCaption, let (width, leftInset, rightInset, additionalSideInsets, maxHeight, metrics, isSecondary) = self.validLayout, let presentationInterfaceState = self.presentationInterfaceState {
let _ = self.updateLayout(width: width, leftInset: leftInset, rightInset: rightInset, additionalSideInsets: additionalSideInsets, maxHeight: maxHeight, isSecondary: isSecondary, transition: .animated(duration: 0.3, curve: .easeInOut), interfaceState: presentationInterfaceState, metrics: metrics)
}
}
func editableTextNodeTarget(forAction action: Selector) -> ASEditableTextNodeTargetForAction? {
if action == makeSelectorFromString("_accessibilitySpeak:") {
if case .format = self.inputMenu.state {
return ASEditableTextNodeTargetForAction(target: nil)
} else if let textInputNode = self.textInputNode, textInputNode.selectedRange.length > 0 {
return ASEditableTextNodeTargetForAction(target: self)
} else {
return ASEditableTextNodeTargetForAction(target: nil)
}
} else if action == makeSelectorFromString("_accessibilitySpeakSpellOut:") {
if case .format = self.inputMenu.state {
return ASEditableTextNodeTargetForAction(target: nil)
} else if let textInputNode = self.textInputNode, textInputNode.selectedRange.length > 0 {
return nil
} else {
return ASEditableTextNodeTargetForAction(target: nil)
}
}
else if action == makeSelectorFromString("_accessibilitySpeakLanguageSelection:") || action == makeSelectorFromString("_accessibilityPauseSpeaking:") || action == makeSelectorFromString("_accessibilitySpeakSentence:") {
return ASEditableTextNodeTargetForAction(target: nil)
} else if action == makeSelectorFromString("_showTextStyleOptions:") {
if case .general = self.inputMenu.state {
if let textInputNode = self.textInputNode, textInputNode.attributedText == nil || textInputNode.attributedText!.length == 0 || textInputNode.selectedRange.length == 0 {
return ASEditableTextNodeTargetForAction(target: nil)
}
return ASEditableTextNodeTargetForAction(target: self)
} else {
return ASEditableTextNodeTargetForAction(target: nil)
}
} else if action == #selector(self.formatAttributesBold(_:)) || action == #selector(self.formatAttributesItalic(_:)) || action == #selector(self.formatAttributesMonospace(_:)) || action == #selector(self.formatAttributesLink(_:)) || action == #selector(self.formatAttributesStrikethrough(_:)) || action == #selector(self.formatAttributesUnderline(_:)) {
if case .format = self.inputMenu.state {
return ASEditableTextNodeTargetForAction(target: self)
} else {
return ASEditableTextNodeTargetForAction(target: nil)
}
}
if case .format = self.inputMenu.state {
return ASEditableTextNodeTargetForAction(target: nil)
}
return nil
}
@objc func _accessibilitySpeak(_ sender: Any) {
var text = ""
self.interfaceInteraction?.updateTextInputStateAndMode { current, inputMode in
text = current.inputText.attributedSubstring(from: NSMakeRange(current.selectionRange.lowerBound, current.selectionRange.count)).string
return (current, inputMode)
}
speakText(text)
if #available(iOS 13.0, *) {
UIMenuController.shared.hideMenu()
} else {
UIMenuController.shared.isMenuVisible = false
UIMenuController.shared.update()
}
}
@objc func _showTextStyleOptions(_ sender: Any) {
if let textInputNode = self.textInputNode {
self.inputMenu.format(view: textInputNode.view, rect: textInputNode.selectionRect.offsetBy(dx: 0.0, dy: -textInputNode.textView.contentOffset.y).insetBy(dx: 0.0, dy: -1.0))
}
}
@objc func formatAttributesBold(_ sender: Any) {
self.inputMenu.back()
self.interfaceInteraction?.updateTextInputStateAndMode { current, inputMode in
return (chatTextInputAddFormattingAttribute(current, attribute: ChatTextInputAttributes.bold), inputMode)
}
}
@objc func formatAttributesItalic(_ sender: Any) {
self.inputMenu.back()
self.interfaceInteraction?.updateTextInputStateAndMode { current, inputMode in
return (chatTextInputAddFormattingAttribute(current, attribute: ChatTextInputAttributes.italic), inputMode)
}
}
@objc func formatAttributesMonospace(_ sender: Any) {
self.inputMenu.back()
self.interfaceInteraction?.updateTextInputStateAndMode { current, inputMode in
return (chatTextInputAddFormattingAttribute(current, attribute: ChatTextInputAttributes.monospace), inputMode)
}
}
@objc func formatAttributesLink(_ sender: Any) {
self.inputMenu.back()
self.interfaceInteraction?.openLinkEditing()
}
@objc func formatAttributesStrikethrough(_ sender: Any) {
self.inputMenu.back()
self.interfaceInteraction?.updateTextInputStateAndMode { current, inputMode in
return (chatTextInputAddFormattingAttribute(current, attribute: ChatTextInputAttributes.strikethrough), inputMode)
}
}
@objc func formatAttributesUnderline(_ sender: Any) {
self.inputMenu.back()
self.interfaceInteraction?.updateTextInputStateAndMode { current, inputMode in
return (chatTextInputAddFormattingAttribute(current, attribute: ChatTextInputAttributes.underline), inputMode)
}
}
@objc func editableTextNode(_ editableTextNode: ASEditableTextNode, shouldChangeTextIn range: NSRange, replacementText text: String) -> Bool {
var cleanText = text
let removeSequences: [String] = ["\u{202d}", "\u{202c}"]
for sequence in removeSequences {
inner: while true {
if let range = cleanText.range(of: sequence) {
cleanText.removeSubrange(range)
} else {
break inner
}
}
}
if cleanText != text {
let string = NSMutableAttributedString(attributedString: editableTextNode.attributedText ?? NSAttributedString())
var textColor: UIColor = .black
var accentTextColor: UIColor = .blue
var baseFontSize: CGFloat = 17.0
if let presentationInterfaceState = self.presentationInterfaceState {
textColor = presentationInterfaceState.theme.chat.inputPanel.inputTextColor
accentTextColor = presentationInterfaceState.theme.chat.inputPanel.panelControlAccentColor
baseFontSize = max(minInputFontSize, presentationInterfaceState.fontSize.baseDisplaySize)
}
let cleanReplacementString = textAttributedStringForStateText(NSAttributedString(string: cleanText), fontSize: baseFontSize, textColor: textColor, accentTextColor: accentTextColor, writingDirection: nil)
string.replaceCharacters(in: range, with: cleanReplacementString)
self.textInputNode?.attributedText = string
self.textInputNode?.selectedRange = NSMakeRange(range.lowerBound + cleanReplacementString.length, 0)
self.updateTextNodeText(animated: true)
return false
}
return true
}
@objc func editableTextNodeShouldCopy(_ editableTextNode: ASEditableTextNode) -> Bool {
self.interfaceInteraction?.updateTextInputStateAndMode { current, inputMode in
storeInputTextInPasteboard(current.inputText.attributedSubstring(from: NSMakeRange(current.selectionRange.lowerBound, current.selectionRange.count)))
return (current, inputMode)
}
return false
}
@objc func editableTextNodeShouldPaste(_ editableTextNode: ASEditableTextNode) -> Bool {
let pasteboard = UIPasteboard.general
var attributedString: NSAttributedString?
if let data = pasteboard.data(forPasteboardType: kUTTypeRTF as String) {
attributedString = chatInputStateStringFromRTF(data, type: NSAttributedString.DocumentType.rtf)
} else if let data = pasteboard.data(forPasteboardType: "com.apple.flat-rtfd") {
attributedString = chatInputStateStringFromRTF(data, type: NSAttributedString.DocumentType.rtfd)
}
if let attributedString = attributedString {
self.interfaceInteraction?.updateTextInputStateAndMode { current, inputMode in
if let inputText = current.inputText.mutableCopy() as? NSMutableAttributedString {
inputText.replaceCharacters(in: NSMakeRange(current.selectionRange.lowerBound, current.selectionRange.count), with: attributedString)
let updatedRange = current.selectionRange.lowerBound + attributedString.length
return (ChatTextInputState(inputText: inputText, selectionRange: updatedRange ..< updatedRange), inputMode)
} else {
return (ChatTextInputState(inputText: attributedString), inputMode)
}
}
return false
}
return true
}
@objc func sendButtonPressed() {
if let sendPressed = self.sendPressed, let presentationInterfaceState = self.effectivePresentationInterfaceState?() {
self.dismissInput()
let effectiveInputText = presentationInterfaceState.interfaceState.composeInputState.inputText
sendPressed(effectiveInputText)
return
}
let inputTextMaxLength: Int?
if self.isCaption {
inputTextMaxLength = self.context?.currentLimitsConfiguration.with { $0 }.maxMediaCaptionLength
} else {
inputTextMaxLength = nil
}
if let textInputNode = self.textInputNode, let presentationInterfaceState = self.presentationInterfaceState, let inputTextMaxLength = inputTextMaxLength {
let textCount = Int32(textInputNode.textView.text.count)
let remainingCount = inputTextMaxLength - textCount
if remainingCount < 0 {
textInputNode.layer.addShakeAnimation()
self.hapticFeedback.error()
return
}
}
self.sendMessage(.generic)
}
@objc func textInputBackgroundViewTap(_ recognizer: UITapGestureRecognizer) {
if case .ended = recognizer.state {
self.ensureFocused()
}
}
var isFocused: Bool {
return self.textInputNode?.isFirstResponder() ?? false
}
func ensureUnfocused() {
self.textInputNode?.resignFirstResponder()
}
func ensureFocused() {
if self.textInputNode == nil {
self.loadTextInputNode()
}
self.textInputNode?.becomeFirstResponder()
}
func frameForInputActionButton() -> CGRect? {
if !self.actionButtons.alpha.isZero {
if self.actionButtons.micButton.alpha.isZero {
return self.actionButtons.frame.insetBy(dx: 0.0, dy: 6.0).offsetBy(dx: 4.0, dy: 0.0)
} else {
return self.actionButtons.frame.insetBy(dx: 0.0, dy: 6.0).offsetBy(dx: 2.0, dy: 0.0)
}
}
return nil
}
}