Андрей Геращенко
77 lines
3.6 KiB
Swift
77 lines
3.6 KiB
Swift
//
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// + MessagesDataSource.swift
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// Wallet
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//
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// Created by Saveliy Stavitsky on 2/9/21.
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// Copyright © 2021 AM. All rights reserved.
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//
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import MessageKit
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import Foundation
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import UIKit
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extension CryptoChatControllerChat: MessagesDataSource {
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func currentSender() -> SenderType {
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let username = Accounts().current?.name ?? ""
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return Sender(senderId: username, displayName: username)
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}
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func numberOfSections(in messagesCollectionView: MessagesCollectionView) -> Int {
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if loadedMsgsCount == 0 { loadedMsgsCount = min(messages.count, 100) }
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infoView.isHidden = loadedMsgsCount > 0
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return loadedMsgsCount
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}
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func messageHeaderView(for indexPath: IndexPath, in messagesCollectionView: MessagesCollectionView) -> MessageReusableView {
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messagesCollectionView.dequeueReusableHeaderView(InfoHeaderCollectionReusableView.self, for: indexPath)
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}
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func messageForItem(at indexPath: IndexPath, in messagesCollectionView: MessagesCollectionView) -> MessageType {
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let messageIndex = self.messages.count - self.loadedMsgsCount + indexPath.section
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if messageIndex > 0,
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messageIndex < self.messages.count {
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return messages[messages.count - loadedMsgsCount + indexPath.section]
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} else {
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return messages[0]
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}
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}
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func messageBottomLabelAttributedText(for message: MessageType, at indexPath: IndexPath) -> NSAttributedString? {
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let msg = messages[messages.count - loadedMsgsCount + indexPath.section]
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if !msg.isInSyncWithBlockchain {
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if (msg.timestamp < self.historyService.lastSyncTimestamp) || (msg.isUnsent == true) {
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return (msg.time.attributed + " • " + L10n.CryptoChat.Chat.notSent.attributed)
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.applying(attribute: .font, value: FontConvertible.Font.font(style: .regular, size: 12))
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.applying(attribute: .foregroundColor, value: Asset.textBrick.color.withAlphaComponent(0.6))
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} else {
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return (msg.time.attributed + " • " + L10n.CryptoChat.Chat.sending.attributed)
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.applying(attribute: .font, value: FontConvertible.Font.font(style: .regular, size: 12))
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.applying(attribute: .foregroundColor, value: Asset.textDeepWater.color.withAlphaComponent(0.4))
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}
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} else {
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if isFromCurrentSender(message: message) {
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return msg.time.attributed
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.applying(attribute: .font, value: FontConvertible.Font.font(style: .regular, size: 12))
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.applying(attribute: .foregroundColor, value: Asset.textDeepWater.color.withAlphaComponent(0.4))
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} else {
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return msg.time.attributed
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.applying(attribute: .font, value: FontConvertible.Font.font(style: .regular, size: 12))
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.applying(attribute: .foregroundColor, value: Asset.textPebble.color)
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}
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}
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}
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func cellTopLabelAttributedText(for message: MessageType, at indexPath: IndexPath) -> NSAttributedString? {
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messages[messages.count - loadedMsgsCount + indexPath.section].day.attributed
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.applying(attribute: .font, value: Font.font(style: .regular, size: 14))
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.applying(attribute: .foregroundColor, value: Asset.textGranite.color)
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}
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func cellBottomLabelAttributedText(for message: MessageType, at indexPath: IndexPath) -> NSAttributedString? {
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L10n.CryptoChat.Chat.unreadMsgs.attributed
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.applying(attribute: .font, value: Font.font(style: .bold, size: 12))
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.applying(attribute: .foregroundColor, value: Asset.textDeepWater.color)
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}
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}
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