Swiftgram/submodules/TelegramUI/Sources/ChatMessageTextBubbleContentNode.swift
2021-01-22 01:34:37 +04:00

644 lines
36 KiB
Swift

import Foundation
import UIKit
import AsyncDisplayKit
import Display
import TelegramCore
import SyncCore
import Postbox
import TextFormat
import UrlEscaping
import TelegramUniversalVideoContent
import TextSelectionNode
private final class CachedChatMessageText {
let text: String
let inputEntities: [MessageTextEntity]?
let entities: [MessageTextEntity]?
init(text: String, inputEntities: [MessageTextEntity]?, entities: [MessageTextEntity]?) {
self.text = text
self.inputEntities = inputEntities
self.entities = entities
}
func matches(text: String, inputEntities: [MessageTextEntity]?) -> Bool {
if self.text != text {
return false
}
if let current = self.inputEntities, let inputEntities = inputEntities {
if current != inputEntities {
return false
}
} else if (self.inputEntities != nil) != (inputEntities != nil) {
return false
}
return true
}
}
class ChatMessageTextBubbleContentNode: ChatMessageBubbleContentNode {
private let textNode: TextNode
private let textAccessibilityOverlayNode: TextAccessibilityOverlayNode
private let statusNode: ChatMessageDateAndStatusNode
private var linkHighlightingNode: LinkHighlightingNode?
private var textSelectionNode: TextSelectionNode?
private var textHighlightingNodes: [LinkHighlightingNode] = []
private var cachedChatMessageText: CachedChatMessageText?
required init() {
self.textNode = TextNode()
self.statusNode = ChatMessageDateAndStatusNode()
self.textAccessibilityOverlayNode = TextAccessibilityOverlayNode()
super.init()
self.textNode.isUserInteractionEnabled = false
self.textNode.contentMode = .topLeft
self.textNode.contentsScale = UIScreenScale
self.textNode.displaysAsynchronously = false
self.addSubnode(self.textNode)
self.addSubnode(self.textAccessibilityOverlayNode)
self.textAccessibilityOverlayNode.openUrl = { [weak self] url in
self?.item?.controllerInteraction.openUrl(url, false, false, nil)
}
self.statusNode.openReactions = { [weak self] in
guard let strongSelf = self, let item = strongSelf.item else {
return
}
item.controllerInteraction.openMessageReactions(item.message.id)
}
}
required init?(coder aDecoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
override func asyncLayoutContent() -> (_ item: ChatMessageBubbleContentItem, _ layoutConstants: ChatMessageItemLayoutConstants, _ preparePosition: ChatMessageBubblePreparePosition, _ messageSelection: Bool?, _ constrainedSize: CGSize) -> (ChatMessageBubbleContentProperties, CGSize?, CGFloat, (CGSize, ChatMessageBubbleContentPosition) -> (CGFloat, (CGFloat) -> (CGSize, (ListViewItemUpdateAnimation, Bool) -> Void))) {
let textLayout = TextNode.asyncLayout(self.textNode)
let statusLayout = self.statusNode.asyncLayout()
let currentCachedChatMessageText = self.cachedChatMessageText
return { item, layoutConstants, _, _, _ in
let contentProperties = ChatMessageBubbleContentProperties(hidesSimpleAuthorHeader: false, headerSpacing: 0.0, hidesBackground: .never, forceFullCorners: false, forceAlignment: .none)
return (contentProperties, nil, CGFloat.greatestFiniteMagnitude, { constrainedSize, position in
let message = item.message
let incoming = item.message.effectivelyIncoming(item.context.account.peerId)
var maxTextWidth = CGFloat.greatestFiniteMagnitude
for media in item.message.media {
if let webpage = media as? TelegramMediaWebpage, case let .Loaded(content) = webpage.content, content.type == "telegram_background" || content.type == "telegram_theme" {
maxTextWidth = layoutConstants.wallpapers.maxTextWidth
break
}
}
let horizontalInset = layoutConstants.text.bubbleInsets.left + layoutConstants.text.bubbleInsets.right
let textConstrainedSize = CGSize(width: min(maxTextWidth, constrainedSize.width - horizontalInset), height: constrainedSize.height)
var edited = false
if item.attributes.updatingMedia != nil {
edited = true
}
var viewCount: Int?
var dateReplies = 0
for attribute in item.message.attributes {
if let attribute = attribute as? EditedMessageAttribute {
edited = !attribute.isHidden
} else if let attribute = attribute as? ViewCountMessageAttribute {
viewCount = attribute.count
} else if let attribute = attribute as? ReplyThreadMessageAttribute, case .peer = item.chatLocation {
if let channel = item.message.peers[item.message.id.peerId] as? TelegramChannel, case .group = channel.info {
dateReplies = Int(attribute.count)
}
}
}
var dateReactions: [MessageReaction] = []
var dateReactionCount = 0
if let reactionsAttribute = mergedMessageReactions(attributes: item.message.attributes), !reactionsAttribute.reactions.isEmpty {
for reaction in reactionsAttribute.reactions {
if reaction.isSelected {
dateReactions.insert(reaction, at: 0)
} else {
dateReactions.append(reaction)
}
dateReactionCount += Int(reaction.count)
}
}
let dateText = stringForMessageTimestampStatus(accountPeerId: item.context.account.peerId, message: item.message, dateTimeFormat: item.presentationData.dateTimeFormat, nameDisplayOrder: item.presentationData.nameDisplayOrder, strings: item.presentationData.strings, reactionCount: dateReactionCount)
let statusType: ChatMessageDateAndStatusType?
var displayStatus = false
switch position {
case let .linear(_, neighbor):
if case .None = neighbor {
displayStatus = true
} else if case .Neighbour(true, _, _) = neighbor {
displayStatus = true
}
default:
break
}
if displayStatus {
if incoming {
statusType = .BubbleIncoming
} else {
if message.flags.contains(.Failed) {
statusType = .BubbleOutgoing(.Failed)
} else if (message.flags.isSending && !message.isSentOrAcknowledged) || item.attributes.updatingMedia != nil {
statusType = .BubbleOutgoing(.Sending)
} else {
statusType = .BubbleOutgoing(.Sent(read: item.read))
}
}
} else {
statusType = nil
}
var statusSize: CGSize?
var statusApply: ((Bool) -> Void)?
if let statusType = statusType {
var isReplyThread = false
if case .replyThread = item.chatLocation {
isReplyThread = true
}
let (size, apply) = statusLayout(item.context, item.presentationData, edited, viewCount, dateText, statusType, textConstrainedSize, dateReactions, dateReplies, item.message.tags.contains(.pinned) && !item.associatedData.isInPinnedListMode && !isReplyThread)
statusSize = size
statusApply = apply
}
let rawText: String
let attributedText: NSAttributedString
var messageEntities: [MessageTextEntity]?
var mediaDuration: Double? = nil
var isSeekableWebMedia = false
var isUnsupportedMedia = false
for media in item.message.media {
if let file = media as? TelegramMediaFile, let duration = file.duration {
mediaDuration = Double(duration)
}
if let webpage = media as? TelegramMediaWebpage, case let .Loaded(content) = webpage.content, webEmbedType(content: content).supportsSeeking {
isSeekableWebMedia = true
} else if media is TelegramMediaUnsupported {
isUnsupportedMedia = true
}
}
if isUnsupportedMedia {
rawText = item.presentationData.strings.Conversation_UnsupportedMediaPlaceholder
messageEntities = [MessageTextEntity(range: 0..<rawText.count, type: .Italic)]
} else {
if let updatingMedia = item.attributes.updatingMedia {
rawText = updatingMedia.text
} else {
rawText = item.message.text
}
for attribute in item.message.attributes {
if let attribute = attribute as? TextEntitiesMessageAttribute {
messageEntities = attribute.entities
} else if mediaDuration == nil, let attribute = attribute as? ReplyMessageAttribute {
if let replyMessage = item.message.associatedMessages[attribute.messageId] {
for media in replyMessage.media {
if let file = media as? TelegramMediaFile, let duration = file.duration {
mediaDuration = Double(duration)
}
if let webpage = media as? TelegramMediaWebpage, case let .Loaded(content) = webpage.content, webEmbedType(content: content).supportsSeeking {
isSeekableWebMedia = true
}
}
}
}
}
}
var entities: [MessageTextEntity]?
var updatedCachedChatMessageText: CachedChatMessageText?
if let cached = currentCachedChatMessageText, cached.matches(text: rawText, inputEntities: messageEntities) {
entities = cached.entities
} else {
entities = messageEntities
if entities == nil && (mediaDuration != nil || isSeekableWebMedia) {
entities = []
}
if let entitiesValue = entities {
var enabledTypes: EnabledEntityTypes = .all
if mediaDuration != nil || isSeekableWebMedia {
enabledTypes.insert(.timecode)
if mediaDuration == nil {
mediaDuration = 60.0 * 60.0 * 24.0
}
}
if let result = addLocallyGeneratedEntities(rawText, enabledTypes: enabledTypes, entities: entitiesValue, mediaDuration: mediaDuration) {
entities = result
}
} else {
var generateEntities = false
for media in message.media {
if media is TelegramMediaImage || media is TelegramMediaFile {
generateEntities = true
break
}
}
if message.id.peerId.namespace == Namespaces.Peer.SecretChat {
generateEntities = true
}
if generateEntities {
let parsedEntities = generateTextEntities(rawText, enabledTypes: .all)
if !parsedEntities.isEmpty {
entities = parsedEntities
}
}
}
updatedCachedChatMessageText = CachedChatMessageText(text: rawText, inputEntities: messageEntities, entities: entities)
}
let messageTheme = incoming ? item.presentationData.theme.theme.chat.message.incoming : item.presentationData.theme.theme.chat.message.outgoing
let textFont = item.presentationData.messageFont
let forceStatusNewline = false
if let entities = entities {
attributedText = stringWithAppliedEntities(rawText, entities: entities, baseColor: messageTheme.primaryTextColor, linkColor: messageTheme.linkTextColor, baseFont: textFont, linkFont: textFont, boldFont: item.presentationData.messageBoldFont, italicFont: item.presentationData.messageItalicFont, boldItalicFont: item.presentationData.messageBoldItalicFont, fixedFont: item.presentationData.messageFixedFont, blockQuoteFont: item.presentationData.messageBlockQuoteFont)
} else if !rawText.isEmpty {
attributedText = NSAttributedString(string: rawText, font: textFont, textColor: messageTheme.primaryTextColor)
} else {
attributedText = NSAttributedString(string: " ", font: textFont, textColor: messageTheme.primaryTextColor)
}
var cutout: TextNodeCutout?
if let statusSize = statusSize, !forceStatusNewline {
cutout = TextNodeCutout(bottomRight: statusSize)
}
let textInsets = UIEdgeInsets(top: 2.0, left: 2.0, bottom: 5.0, right: 2.0)
let (textLayout, textApply) = textLayout(TextNodeLayoutArguments(attributedString: attributedText, backgroundColor: nil, maximumNumberOfLines: 0, truncationType: .end, constrainedSize: textConstrainedSize, alignment: .natural, cutout: cutout, insets: textInsets, lineColor: messageTheme.accentControlColor))
var textFrame = CGRect(origin: CGPoint(x: -textInsets.left, y: -textInsets.top), size: textLayout.size)
var textFrameWithoutInsets = CGRect(origin: CGPoint(x: textFrame.origin.x + textInsets.left, y: textFrame.origin.y + textInsets.top), size: CGSize(width: textFrame.width - textInsets.left - textInsets.right, height: textFrame.height - textInsets.top - textInsets.bottom))
var statusFrame: CGRect?
if let statusSize = statusSize {
if forceStatusNewline {
statusFrame = CGRect(origin: CGPoint(x: textFrameWithoutInsets.maxX - statusSize.width, y: textFrameWithoutInsets.maxY), size: statusSize)
} else {
statusFrame = CGRect(origin: CGPoint(x: textFrameWithoutInsets.maxX - statusSize.width, y: textFrameWithoutInsets.maxY - statusSize.height), size: statusSize)
}
}
textFrame = textFrame.offsetBy(dx: layoutConstants.text.bubbleInsets.left, dy: layoutConstants.text.bubbleInsets.top)
textFrameWithoutInsets = textFrameWithoutInsets.offsetBy(dx: layoutConstants.text.bubbleInsets.left, dy: layoutConstants.text.bubbleInsets.top)
statusFrame = statusFrame?.offsetBy(dx: layoutConstants.text.bubbleInsets.left, dy: layoutConstants.text.bubbleInsets.top)
var suggestedBoundingWidth: CGFloat
if let statusFrame = statusFrame {
suggestedBoundingWidth = textFrameWithoutInsets.union(statusFrame).width
} else {
suggestedBoundingWidth = textFrameWithoutInsets.width
}
suggestedBoundingWidth += layoutConstants.text.bubbleInsets.left + layoutConstants.text.bubbleInsets.right
return (suggestedBoundingWidth, { boundingWidth in
var boundingSize: CGSize
var adjustedStatusFrame: CGRect?
if let statusFrame = statusFrame {
let centeredTextFrame = CGRect(origin: CGPoint(x: floor((boundingWidth - textFrame.size.width) / 2.0), y: 0.0), size: textFrame.size)
let statusOverlapsCenteredText = CGRect(origin: CGPoint(), size: statusFrame.size).intersects(centeredTextFrame)
if !forceStatusNewline || statusOverlapsCenteredText {
boundingSize = textFrameWithoutInsets.union(statusFrame).size
boundingSize.width += layoutConstants.text.bubbleInsets.left + layoutConstants.text.bubbleInsets.right
boundingSize.height += layoutConstants.text.bubbleInsets.top + layoutConstants.text.bubbleInsets.bottom
adjustedStatusFrame = CGRect(origin: CGPoint(x: boundingWidth - statusFrame.size.width - layoutConstants.text.bubbleInsets.right, y: statusFrame.origin.y), size: statusFrame.size)
} else {
boundingSize = textFrameWithoutInsets.size
boundingSize.width += layoutConstants.text.bubbleInsets.left + layoutConstants.text.bubbleInsets.right
boundingSize.height += layoutConstants.text.bubbleInsets.top + layoutConstants.text.bubbleInsets.bottom
adjustedStatusFrame = CGRect(origin: CGPoint(x: boundingWidth - statusFrame.size.width - layoutConstants.text.bubbleInsets.right, y: boundingSize.height - statusFrame.height - layoutConstants.text.bubbleInsets.bottom), size: statusFrame.size)
}
} else {
boundingSize = textFrameWithoutInsets.size
boundingSize.width += layoutConstants.text.bubbleInsets.left + layoutConstants.text.bubbleInsets.right
boundingSize.height += layoutConstants.text.bubbleInsets.top + layoutConstants.text.bubbleInsets.bottom
}
if attributedText.string.isEmpty, var adjustedStatusFrameValue = adjustedStatusFrame {
adjustedStatusFrameValue.origin.y = 1.0
boundingSize.height = adjustedStatusFrameValue.maxY + 5.0
adjustedStatusFrame = adjustedStatusFrameValue
}
return (boundingSize, { [weak self] animation, _ in
if let strongSelf = self {
strongSelf.item = item
if let updatedCachedChatMessageText = updatedCachedChatMessageText {
strongSelf.cachedChatMessageText = updatedCachedChatMessageText
}
let cachedLayout = strongSelf.textNode.cachedLayout
if case .System = animation {
if let cachedLayout = cachedLayout {
if !cachedLayout.areLinesEqual(to: textLayout) {
if let textContents = strongSelf.textNode.contents {
let fadeNode = ASDisplayNode()
fadeNode.displaysAsynchronously = false
fadeNode.contents = textContents
fadeNode.frame = strongSelf.textNode.frame
fadeNode.isLayerBacked = true
strongSelf.addSubnode(fadeNode)
fadeNode.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.2, removeOnCompletion: false, completion: { [weak fadeNode] _ in
fadeNode?.removeFromSupernode()
})
strongSelf.textNode.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.15)
}
}
}
}
strongSelf.textNode.displaysAsynchronously = !item.presentationData.isPreview
let _ = textApply()
if let statusApply = statusApply, let adjustedStatusFrame = adjustedStatusFrame {
let previousStatusFrame = strongSelf.statusNode.frame
strongSelf.statusNode.frame = adjustedStatusFrame
var hasAnimation = true
if case .None = animation {
hasAnimation = false
}
statusApply(hasAnimation)
if strongSelf.statusNode.supernode == nil {
strongSelf.addSubnode(strongSelf.statusNode)
} else {
if case let .System(duration) = animation {
let delta = CGPoint(x: previousStatusFrame.maxX - adjustedStatusFrame.maxX, y: previousStatusFrame.minY - adjustedStatusFrame.minY)
let statusPosition = strongSelf.statusNode.layer.position
let previousPosition = CGPoint(x: statusPosition.x + delta.x, y: statusPosition.y + delta.y)
strongSelf.statusNode.layer.animatePosition(from: previousPosition, to: statusPosition, duration: duration, timingFunction: kCAMediaTimingFunctionSpring)
}
}
} else if strongSelf.statusNode.supernode != nil {
strongSelf.statusNode.removeFromSupernode()
}
var adjustedTextFrame = textFrame
if forceStatusNewline {
adjustedTextFrame.origin.x = floor((boundingWidth - adjustedTextFrame.width) / 2.0)
}
strongSelf.textNode.frame = adjustedTextFrame
if let textSelectionNode = strongSelf.textSelectionNode {
let shouldUpdateLayout = textSelectionNode.frame.size != adjustedTextFrame.size
textSelectionNode.frame = adjustedTextFrame
textSelectionNode.highlightAreaNode.frame = adjustedTextFrame
if shouldUpdateLayout {
textSelectionNode.updateLayout()
}
}
strongSelf.textAccessibilityOverlayNode.frame = textFrame
strongSelf.textAccessibilityOverlayNode.cachedLayout = textLayout
if let forwardInfo = item.message.forwardInfo, forwardInfo.flags.contains(.isImported) {
strongSelf.statusNode.pressed = {
guard let strongSelf = self else {
return
}
item.controllerInteraction.displayImportedMessageTooltip(strongSelf.statusNode)
}
} else {
strongSelf.statusNode.pressed = nil
}
}
})
})
})
}
}
override func animateInsertion(_ currentTimestamp: Double, duration: Double) {
self.textNode.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.2)
self.statusNode.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.2)
}
override func animateAdded(_ currentTimestamp: Double, duration: Double) {
self.textNode.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.2)
self.statusNode.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.2)
}
override func animateRemoved(_ currentTimestamp: Double, duration: Double) {
self.textNode.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.2, removeOnCompletion: false)
self.statusNode.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.2, removeOnCompletion: false)
}
override func tapActionAtPoint(_ point: CGPoint, gesture: TapLongTapOrDoubleTapGesture, isEstimating: Bool) -> ChatMessageBubbleContentTapAction {
let textNodeFrame = self.textNode.frame
if let (index, attributes) = self.textNode.attributesAtPoint(CGPoint(x: point.x - textNodeFrame.minX, y: point.y - textNodeFrame.minY)) {
if let url = attributes[NSAttributedString.Key(rawValue: TelegramTextAttributes.URL)] as? String {
var concealed = true
if let (attributeText, fullText) = self.textNode.attributeSubstring(name: TelegramTextAttributes.URL, index: index) {
concealed = !doesUrlMatchText(url: url, text: attributeText, fullText: fullText)
}
return .url(url: url, concealed: concealed)
} else if let peerMention = attributes[NSAttributedString.Key(rawValue: TelegramTextAttributes.PeerMention)] as? TelegramPeerMention {
return .peerMention(peerMention.peerId, peerMention.mention)
} else if let peerName = attributes[NSAttributedString.Key(rawValue: TelegramTextAttributes.PeerTextMention)] as? String {
return .textMention(peerName)
} else if let botCommand = attributes[NSAttributedString.Key(rawValue: TelegramTextAttributes.BotCommand)] as? String {
return .botCommand(botCommand)
} else if let hashtag = attributes[NSAttributedString.Key(rawValue: TelegramTextAttributes.Hashtag)] as? TelegramHashtag {
return .hashtag(hashtag.peerName, hashtag.hashtag)
} else if let timecode = attributes[NSAttributedString.Key(rawValue: TelegramTextAttributes.Timecode)] as? TelegramTimecode {
return .timecode(timecode.time, timecode.text)
} else if let bankCard = attributes[NSAttributedString.Key(rawValue: TelegramTextAttributes.BankCard)] as? String {
return .bankCard(bankCard)
} else if let pre = attributes[NSAttributedString.Key(rawValue: TelegramTextAttributes.Pre)] as? String {
return .copy(pre)
} else {
return .none
}
} else {
if let _ = self.statusNode.hitTest(self.view.convert(point, to: self.statusNode.view), with: nil) {
return .ignore
}
return .none
}
}
override func updateTouchesAtPoint(_ point: CGPoint?) {
if let item = self.item {
var rects: [CGRect]?
if let point = point {
let textNodeFrame = self.textNode.frame
if let (index, attributes) = self.textNode.attributesAtPoint(CGPoint(x: point.x - textNodeFrame.minX, y: point.y - textNodeFrame.minY)) {
let possibleNames: [String] = [
TelegramTextAttributes.URL,
TelegramTextAttributes.PeerMention,
TelegramTextAttributes.PeerTextMention,
TelegramTextAttributes.BotCommand,
TelegramTextAttributes.Hashtag,
TelegramTextAttributes.Timecode,
TelegramTextAttributes.BankCard
]
for name in possibleNames {
if let _ = attributes[NSAttributedString.Key(rawValue: name)] {
rects = self.textNode.attributeRects(name: name, at: index)
break
}
}
}
}
if let rects = rects {
let linkHighlightingNode: LinkHighlightingNode
if let current = self.linkHighlightingNode {
linkHighlightingNode = current
} else {
linkHighlightingNode = LinkHighlightingNode(color: item.message.effectivelyIncoming(item.context.account.peerId) ? item.presentationData.theme.theme.chat.message.incoming.linkHighlightColor : item.presentationData.theme.theme.chat.message.outgoing.linkHighlightColor)
self.linkHighlightingNode = linkHighlightingNode
self.insertSubnode(linkHighlightingNode, belowSubnode: self.textNode)
}
linkHighlightingNode.frame = self.textNode.frame
linkHighlightingNode.updateRects(rects)
} 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()
})
}
}
}
override func peekPreviewContent(at point: CGPoint) -> (Message, ChatMessagePeekPreviewContent)? {
if let item = self.item {
let textNodeFrame = self.textNode.frame
if let (index, attributes) = self.textNode.attributesAtPoint(CGPoint(x: point.x - textNodeFrame.minX, y: point.y - textNodeFrame.minY)) {
if let value = attributes[NSAttributedString.Key(rawValue: TelegramTextAttributes.URL)] as? String {
if let rects = self.textNode.attributeRects(name: TelegramTextAttributes.URL, at: index), !rects.isEmpty {
var rect = rects[0]
for i in 1 ..< rects.count {
rect = rect.union(rects[i])
}
var concealed = true
if let (attributeText, fullText) = self.textNode.attributeSubstring(name: TelegramTextAttributes.URL, index: index) {
concealed = !doesUrlMatchText(url: value, text: attributeText, fullText: fullText)
}
return (item.message, .url(self, rect, value, concealed))
}
}
}
}
return nil
}
override func updateSearchTextHighlightState(text: String?, messages: [MessageIndex]?) {
guard let item = self.item else {
return
}
let rectsSet: [[CGRect]]
if let text = text, let messages = messages, !text.isEmpty, messages.contains(item.message.index) {
rectsSet = self.textNode.textRangesRects(text: text)
} else {
rectsSet = []
}
for i in 0 ..< rectsSet.count {
let rects = rectsSet[i]
let textHighlightNode: LinkHighlightingNode
if self.textHighlightingNodes.count < i {
textHighlightNode = self.textHighlightingNodes[i]
} else {
textHighlightNode = LinkHighlightingNode(color: item.message.effectivelyIncoming(item.context.account.peerId) ? item.presentationData.theme.theme.chat.message.incoming.textHighlightColor : item.presentationData.theme.theme.chat.message.outgoing.textHighlightColor)
self.textHighlightingNodes.append(textHighlightNode)
self.insertSubnode(textHighlightNode, belowSubnode: self.textNode)
}
textHighlightNode.frame = self.textNode.frame
textHighlightNode.updateRects(rects)
}
for i in (rectsSet.count ..< self.textHighlightingNodes.count).reversed() {
self.textHighlightingNodes[i].removeFromSupernode()
self.textHighlightingNodes.remove(at: i)
}
}
override func willUpdateIsExtractedToContextPreview(_ value: Bool) {
if !value {
if let textSelectionNode = self.textSelectionNode {
self.textSelectionNode = nil
textSelectionNode.highlightAreaNode.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.2, removeOnCompletion: false)
textSelectionNode.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.2, removeOnCompletion: false, completion: { [weak textSelectionNode] _ in
textSelectionNode?.highlightAreaNode.removeFromSupernode()
textSelectionNode?.removeFromSupernode()
})
}
}
}
override func updateIsExtractedToContextPreview(_ value: Bool) {
if value {
if self.textSelectionNode == nil, let item = self.item, let rootNode = item.controllerInteraction.chatControllerNode() {
let selectionColor: UIColor
let knobColor: UIColor
if item.message.effectivelyIncoming(item.context.account.peerId) {
selectionColor = item.presentationData.theme.theme.chat.message.incoming.textSelectionColor
knobColor = item.presentationData.theme.theme.chat.message.incoming.textSelectionKnobColor
} else {
selectionColor = item.presentationData.theme.theme.chat.message.outgoing.textSelectionColor
knobColor = item.presentationData.theme.theme.chat.message.outgoing.textSelectionKnobColor
}
let textSelectionNode = TextSelectionNode(theme: TextSelectionTheme(selection: selectionColor, knob: knobColor), strings: item.presentationData.strings, textNode: self.textNode, updateIsActive: { [weak self] value in
self?.updateIsTextSelectionActive?(value)
}, present: { [weak self] c, a in
self?.item?.controllerInteraction.presentGlobalOverlayController(c, a)
}, rootNode: rootNode, performAction: { [weak self] text, action in
guard let strongSelf = self, let item = strongSelf.item else {
return
}
item.controllerInteraction.performTextSelectionAction(item.message.stableId, text, action)
})
self.textSelectionNode = textSelectionNode
self.addSubnode(textSelectionNode)
self.insertSubnode(textSelectionNode.highlightAreaNode, belowSubnode: self.textNode)
textSelectionNode.frame = self.textNode.frame
textSelectionNode.highlightAreaNode.frame = self.textNode.frame
}
} else if let textSelectionNode = self.textSelectionNode {
self.textSelectionNode = nil
self.updateIsTextSelectionActive?(false)
textSelectionNode.highlightAreaNode.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.2, removeOnCompletion: false)
textSelectionNode.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.2, removeOnCompletion: false, completion: { [weak textSelectionNode] _ in
textSelectionNode?.highlightAreaNode.removeFromSupernode()
textSelectionNode?.removeFromSupernode()
})
}
}
override func reactionTargetNode(value: String) -> (ASDisplayNode, ASDisplayNode)? {
if !self.statusNode.isHidden {
return self.statusNode.reactionNode(value: value)
}
return nil
}
override func getStatusNode() -> ASDisplayNode? {
return self.statusNode
}
}