337c4de337
Remove observability from the home model, and use inner models for updating specific parts of the UI, such as notification dots on the tab bar.
86 lines
2.9 KiB
Swift
86 lines
2.9 KiB
Swift
//
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// MainTabView.swift
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// damus
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//
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// Created by William Casarin on 2022-05-19.
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//
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import SwiftUI
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enum Timeline: String, CustomStringConvertible, Hashable {
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case home
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case notifications
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case search
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case dms
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var description: String {
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return self.rawValue
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}
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}
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func show_indicator(timeline: Timeline, current: NewEventsBits, indicator_setting: Int) -> Bool {
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if timeline == .notifications {
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return (current.rawValue & indicator_setting & NewEventsBits.notifications.rawValue) > 0
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}
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return (current.rawValue & indicator_setting) == timeline_to_notification_bits(timeline, ev: nil).rawValue
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}
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struct TabButton: View {
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let timeline: Timeline
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let img: String
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@Binding var selected: Timeline
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@ObservedObject var nstatus: NotificationStatusModel
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let settings: UserSettingsStore
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let action: (Timeline) -> ()
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var body: some View {
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ZStack(alignment: .center) {
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Tab
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if show_indicator(timeline: timeline, current: nstatus.new_events, indicator_setting: settings.notification_indicators) {
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Circle()
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.size(CGSize(width: 8, height: 8))
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.frame(width: 10, height: 10, alignment: .topTrailing)
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.alignmentGuide(VerticalAlignment.center) { a in a.height + 2.0 }
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.alignmentGuide(HorizontalAlignment.center) { a in a.width - 12.0 }
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.foregroundColor(.accentColor)
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}
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}
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}
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var Tab: some View {
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Button(action: {
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action(timeline)
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let bits = timeline_to_notification_bits(timeline, ev: nil)
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nstatus.new_events = NewEventsBits(rawValue: nstatus.new_events.rawValue & ~bits.rawValue)
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}) {
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Image(selected != timeline ? img : "\(img).fill")
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.contentShape(Rectangle())
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.frame(maxWidth: .infinity, minHeight: 30.0)
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}
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.foregroundColor(.primary)
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}
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}
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struct TabBar: View {
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var nstatus: NotificationStatusModel
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@Binding var selected: Timeline
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let settings: UserSettingsStore
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let action: (Timeline) -> ()
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var body: some View {
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VStack {
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Divider()
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HStack {
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TabButton(timeline: .home, img: "home", selected: $selected, nstatus: nstatus, settings: settings, action: action).keyboardShortcut("1")
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TabButton(timeline: .dms, img: "messages", selected: $selected, nstatus: nstatus, settings: settings, action: action).keyboardShortcut("2")
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TabButton(timeline: .search, img: "search", selected: $selected, nstatus: nstatus, settings: settings, action: action).keyboardShortcut("3")
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TabButton(timeline: .notifications, img: "notification-bell", selected: $selected, nstatus: nstatus, settings: settings, action: action).keyboardShortcut("4")
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}
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}
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}
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}
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