Meshtastic-Apple/MeshtasticClient/Views/Messages/Messages.swift
Garth Vander Houwen 3827ff816e BLE Cleanup
2021-10-12 17:54:10 -07:00

147 lines
6 KiB
Swift

import SwiftUI
import MapKit
import CoreLocation
struct Messages: View {
enum Field: Hashable {
case messageText
}
// Keyboard State
@State var typingMessage: String = ""
@State private var totalBytes = 0
@State private var lastTypingMessage = ""
@FocusState private var focusedField: Field?
@Namespace var topId
@Namespace var bottomId
// Message Data and Bluetooth
@EnvironmentObject var messageData: MessageData
@EnvironmentObject var bleManager: BLEManager
public var broadcastNodeId: UInt32 = 4294967295
let timer = Timer.publish(every: 1, on: .main, in: .common).autoconnect()
@State var messageCount: Int = 0;
var body: some View {
GeometryReader { bounds in
VStack {
ScrollViewReader { scrollView in
ScrollView {
Text("Hidden Top Anchor").hidden().frame(height: 0).id(topId)
ForEach(messageData.messages.sorted(by: { $0.messageTimestamp < $1.messageTimestamp })) { message in
let currentUser: Bool = (bleManager.connectedNode != nil) && ((bleManager.connectedNode.id) == message.fromUserId)
MessageBubble(contentMessage: message.messagePayload, isCurrentUser: currentUser, time: Int32(message.messageTimestamp), shortName: message.fromUserShortName)
}
.onAppear(perform: { scrollView.scrollTo(bottomId) } )
Text("Hidden Bottom Anchor").hidden().frame(height: 0).id(bottomId)
}
.onReceive(timer) { input in
messageData.load()
if messageCount < messageData.messages.count {
scrollView.scrollTo(bottomId)
messageCount = messageData.messages.count
}
}
.padding(.horizontal)
}
HStack (alignment: .top) {
ZStack {
TextEditor(text: $typingMessage)
.onChange(of: typingMessage, perform: { value in
let size = value.utf8.count
totalBytes = size
if totalBytes <= 200 {
// Allow the user to type
lastTypingMessage = typingMessage
}
else {
// Set the message back and remove the bytes over the count
self.typingMessage = lastTypingMessage
}
})
.keyboardType(.default)
.padding(.horizontal, 8)
.focused($focusedField, equals: .messageText)
.multilineTextAlignment(.leading)
.frame(minHeight: bounds.size.height / 4, maxHeight: bounds.size.height / 4)
Text(typingMessage).opacity(0).padding(.all, 0)
}
.overlay(RoundedRectangle(cornerRadius: 20).stroke(.tertiary, lineWidth: 1))
.padding(.bottom, 15)
Button(action: {
if bleManager.sendMessage(message: typingMessage) {
typingMessage = ""
}
else {
if bleManager.connectedPeripheral != nil {
let timer = Timer.scheduledTimer(withTimeInterval: 3.0, repeats: false) { (timer) in
if bleManager.sendMessage(message: typingMessage) {
typingMessage = ""
}
}
}
}
} ) {
Image(systemName: "arrow.up.circle.fill").font(.largeTitle).foregroundColor(.blue)
}
}
.padding(.all, 15)
HStack (alignment: .top ) {
if focusedField != nil {
Button("Dismiss Keyboard") {
focusedField = nil
}
.font(.subheadline)
Spacer()
ProgressView("Bytes: \(totalBytes) / 200", value: Double(totalBytes), total: 200)
.frame(width: 130)
.padding(.bottom, 7)
.font(.subheadline)
.accentColor(Color.blue)
}
}
.padding(.horizontal)
}
}
.navigationTitle("Channel - Primary")
.navigationBarTitleDisplayMode(.inline)
.navigationBarItems(trailing:
ZStack {
ConnectedDevice(
bluetoothOn: bleManager.isSwitchedOn,
deviceConnected: bleManager.connectedPeripheral != nil,
name: (bleManager.connectedNode != nil) ? bleManager.connectedNode.user.shortName : ((bleManager.connectedPeripheral != nil) ? bleManager.connectedPeripheral.name : "Unknown"))
}
)
.onAppear {
messageData.load()
messageCount = messageData.messages.count
}
}
}