Swiftgram/TelegramUI/ChatMessageActionItemNode.swift
2017-09-11 00:07:59 +03:00

656 lines
38 KiB
Swift

import Foundation
import AsyncDisplayKit
import Display
import SwiftSignalKit
import Postbox
import TelegramCore
private let titleFont = Font.regular(13.0)
private let titleBoldFont = Font.bold(13.0)
private func peerMentionAttributes(theme: PresentationThemeServiceMessage, peerId: PeerId) -> MarkdownAttributeSet {
return MarkdownAttributeSet(font: titleBoldFont, textColor: theme.serviceMessagePrimaryTextColor, additionalAttributes: [TextNode.TelegramPeerMentionAttribute: TelegramPeerMention(peerId: peerId, mention: "")])
}
private func peerMentionsAttributes(theme: PresentationThemeServiceMessage, peerIds: [(Int, PeerId?)]) -> [Int: MarkdownAttributeSet] {
var result: [Int: MarkdownAttributeSet] = [:]
for (index, peerId) in peerIds {
if let peerId = peerId {
result[index] = peerMentionAttributes(theme: theme, peerId: peerId)
}
}
return result
}
func serviceMessageString(theme: PresentationTheme, strings: PresentationStrings, message: Message, accountPeerId: PeerId) -> NSAttributedString? {
var attributedString: NSAttributedString?
let theme = theme.chat.serviceMessage
let bodyAttributes = MarkdownAttributeSet(font: titleFont, textColor: theme.serviceMessagePrimaryTextColor, additionalAttributes: [:])
for media in message.media {
if let action = media as? TelegramMediaAction {
let authorName = message.author?.displayTitle ?? ""
var isChannel = false
if message.id.peerId.namespace == Namespaces.Peer.CloudChannel, let peer = message.peers[message.id.peerId] as? TelegramChannel, case .broadcast = peer.info {
isChannel = true
}
switch action.action {
case .groupCreated:
if isChannel {
attributedString = NSAttributedString(string: strings.Notification_CreatedChannel, font: titleFont, textColor: theme.serviceMessagePrimaryTextColor)
} else {
attributedString = NSAttributedString(string: strings.Notification_CreatedGroup, font: titleFont, textColor: theme.serviceMessagePrimaryTextColor)
}
case let .addedMembers(peerIds):
if let peerId = peerIds.first, peerId == message.author?.id {
attributedString = addAttributesToStringWithRanges(strings.Notification_JoinedChat(authorName), body: bodyAttributes, argumentAttributes: peerMentionsAttributes(theme: theme, peerIds: [(0, peerId)]))
} else {
var attributePeerIds: [(Int, PeerId?)] = [(0, message.author?.id)]
if peerIds.count == 1 {
attributePeerIds.append((1, peerIds.first))
}
attributedString = addAttributesToStringWithRanges(strings.Notification_Invited(authorName, peerDisplayTitles(peerIds, message.peers)), body: bodyAttributes, argumentAttributes: peerMentionsAttributes(theme: theme, peerIds: attributePeerIds))
}
case let .removedMembers(peerIds):
if peerIds.first == message.author?.id {
attributedString = addAttributesToStringWithRanges(strings.Notification_LeftChat(authorName), body: bodyAttributes, argumentAttributes: peerMentionsAttributes(theme: theme, peerIds: [(0, message.author?.id)]))
} else {
var attributePeerIds: [(Int, PeerId?)] = [(0, message.author?.id)]
if peerIds.count == 1 {
attributePeerIds.append((1, peerIds.first))
}
attributedString = addAttributesToStringWithRanges(strings.Notification_Kicked(authorName, peerDisplayTitles(peerIds, message.peers)), body: bodyAttributes, argumentAttributes: peerMentionsAttributes(theme: theme, peerIds: attributePeerIds))
}
case let .photoUpdated(image):
if authorName.isEmpty || isChannel {
if isChannel {
if image != nil {
attributedString = NSAttributedString(string: strings.Channel_MessagePhotoUpdated, font: titleFont, textColor: theme.serviceMessagePrimaryTextColor)
} else {
attributedString = NSAttributedString(string: strings.Channel_MessagePhotoRemoved, font: titleFont, textColor: theme.serviceMessagePrimaryTextColor)
}
} else {
if image != nil {
attributedString = NSAttributedString(string: strings.Group_MessagePhotoUpdated, font: titleFont, textColor: theme.serviceMessagePrimaryTextColor)
} else {
attributedString = NSAttributedString(string: strings.Group_MessagePhotoRemoved, font: titleFont, textColor: theme.serviceMessagePrimaryTextColor)
}
}
} else {
if image != nil {
attributedString = addAttributesToStringWithRanges(strings.Notification_ChangedGroupPhoto(authorName), body: bodyAttributes, argumentAttributes: peerMentionsAttributes(theme: theme, peerIds: [(0, message.author?.id)]))
} else {
attributedString = addAttributesToStringWithRanges(strings.Notification_RemovedGroupPhoto(authorName), body: bodyAttributes, argumentAttributes: peerMentionsAttributes(theme: theme, peerIds: [(0, message.author?.id)]))
}
}
case let .titleUpdated(title):
if authorName.isEmpty || isChannel {
if isChannel {
attributedString = NSAttributedString(string: strings.Channel_MessageTitleUpdated(title).0, font: titleFont, textColor: theme.serviceMessagePrimaryTextColor)
} else {
attributedString = NSAttributedString(string: strings.Group_MessageTitleUpdated(title).0, font: titleFont, textColor: theme.serviceMessagePrimaryTextColor)
}
} else {
attributedString = addAttributesToStringWithRanges(strings.Notification_ChangedGroupName(authorName, title), body: bodyAttributes, argumentAttributes: peerMentionsAttributes(theme: theme, peerIds: [(0, message.author?.id)]))
}
case .pinnedMessageUpdated:
enum PinnnedMediaType {
case text(String)
case photo
case video
case round
case audio
case file
case gif
case sticker
case location
case contact
case deleted
}
var pinnedMessage: Message?
for attribute in message.attributes {
if let attribute = attribute as? ReplyMessageAttribute, let message = message.associatedMessages[attribute.messageId] {
pinnedMessage = message
}
}
var type: PinnnedMediaType
if let pinnedMessage = pinnedMessage {
type = .text(pinnedMessage.text)
inner: for media in pinnedMessage.media {
if let _ = media as? TelegramMediaImage {
type = .photo
} else if let file = media as? TelegramMediaFile {
type = .file
if file.isAnimated {
type = .gif
} else {
for attribute in file.attributes {
switch attribute {
case let .Video(_, _, flags):
if flags.contains(.instantRoundVideo) {
type = .round
} else {
type = .video
}
break inner
case let .Audio(isVoice, _, performer, title, _):
if isVoice {
type = .audio
} else {
let descriptionString: String
if let title = title, let performer = performer, !title.isEmpty, !performer.isEmpty {
descriptionString = title + "" + performer
} else if let title = title, !title.isEmpty {
descriptionString = title
} else if let performer = performer, !performer.isEmpty {
descriptionString = performer
} else if let fileName = file.fileName {
descriptionString = fileName
} else {
descriptionString = strings.Message_Audio
}
type = .text(descriptionString)
}
break inner
case .Sticker:
type = .sticker
break inner
case .Animated:
break
default:
break
}
}
}
} else if let _ = media as? TelegramMediaMap {
type = .location
} else if let _ = media as? TelegramMediaContact {
type = .contact
}
}
} else {
type = .deleted
}
switch type {
case let .text(text):
attributedString = addAttributesToStringWithRanges(strings.Notification_PinnedTextMessage(authorName, text.replacingOccurrences(of: "\n", with: " ")), body: bodyAttributes, argumentAttributes: peerMentionsAttributes(theme: theme, peerIds: [(0, message.author?.id)]))
case .photo:
attributedString = addAttributesToStringWithRanges(strings.Notification_PinnedPhotoMessage(authorName), body: bodyAttributes, argumentAttributes: peerMentionsAttributes(theme: theme, peerIds: [(0, message.author?.id)]))
case .video:
attributedString = addAttributesToStringWithRanges(strings.Notification_PinnedVideoMessage(authorName), body: bodyAttributes, argumentAttributes: peerMentionsAttributes(theme: theme, peerIds: [(0, message.author?.id)]))
case .round:
attributedString = addAttributesToStringWithRanges(strings.Notification_PinnedRoundMessage(authorName), body: bodyAttributes, argumentAttributes: peerMentionsAttributes(theme: theme, peerIds: [(0, message.author?.id)]))
case .audio:
attributedString = addAttributesToStringWithRanges(strings.Notification_PinnedAudioMessage(authorName), body: bodyAttributes, argumentAttributes: peerMentionsAttributes(theme: theme, peerIds: [(0, message.author?.id)]))
case .file:
attributedString = addAttributesToStringWithRanges(strings.Notification_PinnedDocumentMessage(authorName), body: bodyAttributes, argumentAttributes: peerMentionsAttributes(theme: theme, peerIds: [(0, message.author?.id)]))
case .gif:
attributedString = addAttributesToStringWithRanges(strings.Notification_PinnedAnimationMessage(authorName), body: bodyAttributes, argumentAttributes: peerMentionsAttributes(theme: theme, peerIds: [(0, message.author?.id)]))
case .sticker:
attributedString = addAttributesToStringWithRanges(strings.Notification_PinnedStickerMessage(authorName), body: bodyAttributes, argumentAttributes: peerMentionsAttributes(theme: theme, peerIds: [(0, message.author?.id)]))
case .location:
attributedString = addAttributesToStringWithRanges(strings.Notification_PinnedLocationMessage(authorName), body: bodyAttributes, argumentAttributes: peerMentionsAttributes(theme: theme, peerIds: [(0, message.author?.id)]))
case .contact:
attributedString = addAttributesToStringWithRanges(strings.Notification_PinnedContactMessage(authorName), body: bodyAttributes, argumentAttributes: peerMentionsAttributes(theme: theme, peerIds: [(0, message.author?.id)]))
case .deleted:
attributedString = addAttributesToStringWithRanges(strings.Notification_PinnedDeletedMessage(authorName), body: bodyAttributes, argumentAttributes: peerMentionsAttributes(theme: theme, peerIds: [(0, message.author?.id)]))
}
case .joinedByLink:
attributedString = addAttributesToStringWithRanges(strings.Notification_JoinedGroupByLink(authorName), body: bodyAttributes, argumentAttributes: peerMentionsAttributes(theme: theme, peerIds: [(0, message.author?.id)]))
case .channelMigratedFromGroup, .groupMigratedToChannel:
attributedString = NSAttributedString(string: strings.Notification_ChannelMigratedFrom, font: titleFont, textColor: theme.serviceMessagePrimaryTextColor)
case let .messageAutoremoveTimeoutUpdated(timeout):
if timeout > 0 {
let timeValue = timeIntervalString(strings: strings, value: timeout)
let string: String
if message.author?.id == accountPeerId {
string = strings.Notification_MessageLifetimeChangedOutgoing(timeValue).0
} else {
let authorString: String
if let author = messageMainPeer(message) {
authorString = author.compactDisplayTitle
} else {
authorString = ""
}
string = strings.Notification_MessageLifetimeChanged(authorString, timeValue).0
}
attributedString = NSAttributedString(string: string, font: titleFont, textColor: theme.serviceMessagePrimaryTextColor)
} else {
let string: String
if message.author?.id == accountPeerId {
string = strings.Notification_MessageLifetimeRemovedOutgoing
} else {
let authorString: String
if let author = messageMainPeer(message) {
authorString = author.compactDisplayTitle
} else {
authorString = ""
}
string = strings.Notification_MessageLifetimeRemoved(authorString).0
}
attributedString = NSAttributedString(string: string, font: titleFont, textColor: theme.serviceMessagePrimaryTextColor)
}
case .historyCleared:
break
case .historyScreenshot:
attributedString = NSAttributedString(string: strings.Notification_SecretChatScreenshot, font: titleFont, textColor: theme.serviceMessagePrimaryTextColor)
case let .gameScore(gameId: _, score):
var gameTitle: String?
inner: for attribute in message.attributes {
if let attribute = attribute as? ReplyMessageAttribute, let message = message.associatedMessages[attribute.messageId] {
for media in message.media {
if let game = media as? TelegramMediaGame {
gameTitle = game.title
break inner
}
}
}
}
var baseString: String
if message.author?.id == accountPeerId {
if let _ = gameTitle {
baseString = strings.ServiceMessage_GameScoreSelfExtended(score)
} else {
baseString = strings.ServiceMessage_GameScoreSelfSimple(score)
}
} else {
if let _ = gameTitle {
baseString = strings.ServiceMessage_GameScoreExtended(score)
} else {
baseString = strings.ServiceMessage_GameScoreSimple(score)
}
}
let baseStringValue = baseString as NSString
var ranges: [(Int, NSRange)] = []
if baseStringValue.range(of: "{name}").location != NSNotFound {
ranges.append((0, baseStringValue.range(of: "{name}")))
}
if baseStringValue.range(of: "{game}").location != NSNotFound {
ranges.append((1, baseStringValue.range(of: "{game}")))
}
ranges.sort(by: { $0.1.location < $1.1.location })
var argumentAttributes = peerMentionsAttributes(theme: theme, peerIds: [(0, message.author?.id)])
argumentAttributes[1] = MarkdownAttributeSet(font: titleBoldFont, textColor: theme.serviceMessagePrimaryTextColor, additionalAttributes: [:])
attributedString = addAttributesToStringWithRanges(formatWithArgumentRanges(baseString, ranges, [authorName, gameTitle ?? ""]), body: bodyAttributes, argumentAttributes: argumentAttributes)
case let .paymentSent(currency, totalAmount):
var invoiceMessage: Message?
for attribute in message.attributes {
if let attribute = attribute as? ReplyMessageAttribute, let message = message.associatedMessages[attribute.messageId] {
invoiceMessage = message
}
}
var invoiceTitle: String?
if let invoiceMessage = invoiceMessage {
for media in invoiceMessage.media {
if let invoice = media as? TelegramMediaInvoice {
invoiceTitle = invoice.title
}
}
}
if let invoiceTitle = invoiceTitle {
let botString: String
if let peer = messageMainPeer(message) {
botString = peer.compactDisplayTitle
} else {
botString = ""
}
let mutableString = NSMutableAttributedString()
mutableString.append(NSAttributedString(string: strings.Notification_PaymentSent, font: titleFont, textColor: theme.serviceMessagePrimaryTextColor))
var range = NSRange(location: NSNotFound, length: 0)
range = (mutableString.string as NSString).range(of: "{amount}")
if range.location != NSNotFound {
mutableString.replaceCharacters(in: range, with: NSAttributedString(string: formatCurrencyAmount(totalAmount, currency: currency), font: titleBoldFont, textColor: theme.serviceMessagePrimaryTextColor))
}
range = (mutableString.string as NSString).range(of: "{name}")
if range.location != NSNotFound {
mutableString.replaceCharacters(in: range, with: NSAttributedString(string: botString, font: titleBoldFont, textColor: theme.serviceMessagePrimaryTextColor))
}
range = (mutableString.string as NSString).range(of: "{title}")
if range.location != NSNotFound {
mutableString.replaceCharacters(in: range, with: NSAttributedString(string: invoiceTitle, font: titleFont, textColor: theme.serviceMessagePrimaryTextColor))
}
attributedString = mutableString
} else {
attributedString = NSAttributedString(string: strings.Message_PaymentSent(formatCurrencyAmount(totalAmount, currency: currency)).0, font: titleFont, textColor: theme.serviceMessagePrimaryTextColor)
}
case .phoneCall:
break
default:
attributedString = nil
}
break
} else if let expiredMedia = media as? TelegramMediaExpiredContent {
switch expiredMedia.data {
case .image:
attributedString = NSAttributedString(string: strings.Message_ImageExpired, font: titleFont, textColor: theme.serviceMessagePrimaryTextColor)
case .file:
attributedString = NSAttributedString(string: strings.Message_VideoExpired, font: titleFont, textColor: theme.serviceMessagePrimaryTextColor)
}
}
}
return attributedString
}
class ChatMessageActionItemNode: ChatMessageItemView {
let labelNode: TextNode
let filledBackgroundNode: LinkHighlightingNode
var linkHighlightingNode: LinkHighlightingNode?
private let fetchDisposable = MetaDisposable()
private var appliedItem: ChatMessageItem?
required init() {
self.labelNode = TextNode()
self.labelNode.isLayerBacked = true
self.labelNode.displaysAsynchronously = true
self.filledBackgroundNode = LinkHighlightingNode(color: .clear)
super.init(layerBacked: false)
self.addSubnode(self.filledBackgroundNode)
self.addSubnode(self.labelNode)
}
required init?(coder aDecoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
deinit {
self.fetchDisposable.dispose()
}
override func didLoad() {
super.didLoad()
let recognizer = TapLongTapOrDoubleTapGestureRecognizer(target: self, action: #selector(self.tapLongTapOrDoubleTapGesture(_:)))
recognizer.tapActionAtPoint = { _ in
return .waitForSingleTap
}
recognizer.highlight = { [weak self] point in
if let strongSelf = self {
strongSelf.updateTouchesAtPoint(point)
}
}
self.view.addGestureRecognizer(recognizer)
}
override func asyncLayout() -> (_ item: ChatMessageItem, _ width: CGFloat, _ mergedTop: Bool, _ mergedBottom: Bool, _ dateHeaderAtBottom: Bool) -> (ListViewItemNodeLayout, (ListViewItemUpdateAnimation) -> Void) {
let makeLabelLayout = TextNode.asyncLayout(self.labelNode)
let layoutConstants = self.layoutConstants
let backgroundLayout = self.filledBackgroundNode.asyncLayout()
return { item, width, mergedTop, mergedBottom, dateHeaderAtBottom in
let attributedString = serviceMessageString(theme: item.theme, strings: item.strings, message: item.message, accountPeerId: item.account.peerId)
let (labelLayout, apply) = makeLabelLayout(attributedString, nil, 0, .end, CGSize(width: width - 32.0, height: CGFloat.greatestFiniteMagnitude), .center, nil, UIEdgeInsets())
var labelRects = labelLayout.linesRects()
if labelRects.count > 1 {
let sortedIndices = (0 ..< labelRects.count).sorted(by: { labelRects[$0].width > labelRects[$1].width })
for i in 0 ..< sortedIndices.count {
let index = sortedIndices[i]
for j in -1 ... 1 {
if j != 0 && index + j >= 0 && index + j < sortedIndices.count {
if abs(labelRects[index + j].width - labelRects[index].width) < 40.0 {
labelRects[index + j].size.width = max(labelRects[index + j].width, labelRects[index].width)
}
}
}
}
}
for i in 0 ..< labelRects.count {
/*if i != 0 && i != labelRects.count - 1 {
if labelRects[i - 1].width > labelRects[i].width && labelRects[i + 1].width > labelRects[i].width {
if abs(labelRects[i - 1].width - labelRects[i].width) < abs(labelRects[i + 1].width - labelRects[i].width) {
labelRects[i].size.width = labelRects[i - 1].width
} else {
labelRects[i].size.width = labelRects[i + 1].width
}
}
}*/
labelRects[i] = labelRects[i].insetBy(dx: -6.0, dy: floor((labelRects[i].height - 20.0) / 2.0))
labelRects[i].size.height = 20.0
labelRects[i].origin.x = floor((labelLayout.size.width - labelRects[i].width) / 2.0)
}
let backgroundApply = backgroundLayout(item.theme.chat.serviceMessage.serviceMessageFillColor, labelRects, 10.0, 10.0, 0.0)
let backgroundSize = CGSize(width: labelLayout.size.width + 8.0 + 8.0, height: labelLayout.size.height + 4.0)
var layoutInsets = UIEdgeInsets(top: 4.0, left: 0.0, bottom: 4.0, right: 0.0)
if dateHeaderAtBottom {
layoutInsets.top += layoutConstants.timestampHeaderHeight
}
return (ListViewItemNodeLayout(contentSize: CGSize(width: width, height: labelLayout.size.height + 4.0), insets: layoutInsets), { [weak self] animation in
if let strongSelf = self {
strongSelf.appliedItem = item
let _ = apply()
let _ = backgroundApply()
let labelFrame = CGRect(origin: CGPoint(x: floorToScreenPixels((width - labelLayout.size.width) / 2.0), y: floorToScreenPixels((backgroundSize.height - labelLayout.size.height) / 2.0) - 1.0), size: labelLayout.size)
strongSelf.labelNode.frame = labelFrame
strongSelf.filledBackgroundNode.frame = labelFrame.offsetBy(dx: 0.0, dy: -11.0)
}
})
}
}
override func animateInsertion(_ currentTimestamp: Double, duration: Double, short: Bool) {
super.animateInsertion(currentTimestamp, duration: duration, short: short)
self.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.2)
}
override func animateAdded(_ currentTimestamp: Double, duration: Double) {
super.animateAdded(currentTimestamp, duration: duration)
self.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.2)
}
override func animateRemoved(_ currentTimestamp: Double, duration: Double) {
super.animateRemoved(currentTimestamp, duration: duration)
self.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.2, removeOnCompletion: false)
}
@objc func tapLongTapOrDoubleTapGesture(_ recognizer: TapLongTapOrDoubleTapGestureRecognizer) {
switch recognizer.state {
case .began:
break
case .ended:
if let (gesture, location) = recognizer.lastRecognizedGestureAndLocation {
switch gesture {
case .tap:
var foundTapAction = false
let tapAction = self.tapActionAtPoint(location)
switch tapAction {
case .none, .ignore:
break
case let .url(url):
foundTapAction = true
if let controllerInteraction = self.controllerInteraction {
controllerInteraction.openUrl(url)
}
case let .peerMention(peerId, _):
foundTapAction = true
if let controllerInteraction = self.controllerInteraction {
controllerInteraction.openPeer(peerId, .chat(textInputState: nil), nil)
}
case let .textMention(name):
foundTapAction = true
if let controllerInteraction = self.controllerInteraction {
controllerInteraction.openPeerMention(name)
}
case let .botCommand(command):
foundTapAction = true
if let item = self.item, let controllerInteraction = self.controllerInteraction {
controllerInteraction.sendBotCommand(item.message.id, command)
}
case let .hashtag(peerName, hashtag):
foundTapAction = true
if let controllerInteraction = self.controllerInteraction {
controllerInteraction.openHashtag(peerName, hashtag)
}
case .instantPage:
foundTapAction = true
if let item = self.item, let controllerInteraction = self.controllerInteraction {
controllerInteraction.openInstantPage(item.message.id)
}
case .holdToPreviewSecretMedia:
foundTapAction = true
case let .call(peerId):
foundTapAction = true
if let controllerInteraction = self.controllerInteraction {
controllerInteraction.callPeer(peerId)
}
}
if !foundTapAction {
self.controllerInteraction?.clickThroughMessage()
}
case .longTap, .doubleTap:
if let item = self.item, self.labelNode.frame.contains(location) {
var foundTapAction = false
let tapAction = self.tapActionAtPoint(location)
switch tapAction {
case .none, .ignore:
break
case let .url(url):
foundTapAction = true
if let controllerInteraction = self.controllerInteraction {
controllerInteraction.longTap(.url(url))
}
case let .peerMention(peerId, mention):
foundTapAction = true
if let controllerInteraction = self.controllerInteraction {
controllerInteraction.longTap(.peerMention(peerId, mention))
}
case let .textMention(name):
foundTapAction = true
if let controllerInteraction = self.controllerInteraction {
controllerInteraction.longTap(.mention(name))
}
case let .botCommand(command):
foundTapAction = true
if let _ = self.item, let controllerInteraction = self.controllerInteraction {
controllerInteraction.longTap(.command(command))
}
case let .hashtag(_, hashtag):
foundTapAction = true
if let controllerInteraction = self.controllerInteraction {
controllerInteraction.longTap(.hashtag(hashtag))
}
case .instantPage:
break
case .holdToPreviewSecretMedia:
break
case .call:
break
}
if !foundTapAction {
self.controllerInteraction?.openMessageContextMenu(item.message.id, self, self.filledBackgroundNode.frame)
}
}
case .hold:
break
}
}
case .cancelled:
break
default:
break
}
}
private func updateTouchesAtPoint(_ point: CGPoint?) {
if let item = self.item {
var rects: [CGRect]?
let textNodeFrame = self.labelNode.frame
if let point = point {
if let (index, attributes) = self.labelNode.attributesAtPoint(CGPoint(x: point.x - textNodeFrame.minX, y: point.y - textNodeFrame.minY - 10.0)) {
let possibleNames: [String] = [
TextNode.UrlAttribute,
TextNode.TelegramPeerMentionAttribute,
TextNode.TelegramPeerTextMentionAttribute,
TextNode.TelegramBotCommandAttribute,
TextNode.TelegramHashtagAttribute
]
for name in possibleNames {
if let _ = attributes[NSAttributedStringKey(rawValue: name)] {
rects = self.labelNode.attributeRects(name: name, at: index)
break
}
}
}
}
if let rects = rects {
var mappedRects = rects
for i in 0 ..< mappedRects.count {
mappedRects[i].origin.x = floor((textNodeFrame.size.width - mappedRects[i].width) / 2.0)
}
let linkHighlightingNode: LinkHighlightingNode
if let current = self.linkHighlightingNode {
linkHighlightingNode = current
} else {
linkHighlightingNode = LinkHighlightingNode(color: item.message.effectivelyIncoming ? item.theme.chat.bubble.incomingLinkHighlightColor : item.theme.chat.bubble.outgoingLinkHighlightColor)
linkHighlightingNode.inset = 2.5
self.linkHighlightingNode = linkHighlightingNode
self.insertSubnode(linkHighlightingNode, belowSubnode: self.labelNode)
}
linkHighlightingNode.frame = self.labelNode.frame.offsetBy(dx: 0.0, dy: 1.5)
linkHighlightingNode.updateRects(mappedRects)
} else if let linkHighlightingNode = self.linkHighlightingNode {
self.linkHighlightingNode = nil
linkHighlightingNode.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.18, removeOnCompletion: false, completion: { [weak linkHighlightingNode] _ in
linkHighlightingNode?.removeFromSupernode()
})
}
}
}
private func tapActionAtPoint(_ point: CGPoint) -> ChatMessageBubbleContentTapAction {
let textNodeFrame = self.labelNode.frame
if let (_, attributes) = self.labelNode.attributesAtPoint(CGPoint(x: point.x - textNodeFrame.minX, y: point.y - textNodeFrame.minY - 10.0)) {
if let url = attributes[NSAttributedStringKey(rawValue: TextNode.UrlAttribute)] as? String {
return .url(url)
} else if let peerMention = attributes[NSAttributedStringKey(rawValue: TextNode.TelegramPeerMentionAttribute)] as? TelegramPeerMention {
return .peerMention(peerMention.peerId, peerMention.mention)
} else if let peerName = attributes[NSAttributedStringKey(rawValue: TextNode.TelegramPeerTextMentionAttribute)] as? String {
return .textMention(peerName)
} else if let botCommand = attributes[NSAttributedStringKey(rawValue: TextNode.TelegramBotCommandAttribute)] as? String {
return .botCommand(botCommand)
} else if let hashtag = attributes[NSAttributedStringKey(rawValue: TextNode.TelegramHashtagAttribute)] as? TelegramHashtag {
return .hashtag(hashtag.peerName, hashtag.hashtag)
} else {
return .none
}
} else {
return .none
}
}
}