105 lines
3.5 KiB
Swift
105 lines
3.5 KiB
Swift
//
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// NotificationsView.swift
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// damus
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//
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// Created by William Casarin on 2023-02-21.
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//
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import SwiftUI
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enum NotificationFilterState {
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case all
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case zaps
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case replies
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func filter(_ item: NotificationItem) -> Bool {
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switch self {
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case .all:
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return true
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case .replies:
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return item.is_reply != nil
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case .zaps:
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return item.is_zap != nil
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}
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}
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}
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struct NotificationsView: View {
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let state: DamusState
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@ObservedObject var notifications: NotificationsModel
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@State var filter_state: NotificationFilterState = .all
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@Environment(\.colorScheme) var colorScheme
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var body: some View {
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TabView(selection: $filter_state) {
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NotificationTab(NotificationFilterState.all)
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.tag(NotificationFilterState.all)
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.id(NotificationFilterState.all)
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NotificationTab(NotificationFilterState.zaps)
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.tag(NotificationFilterState.zaps)
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.id(NotificationFilterState.zaps)
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NotificationTab(NotificationFilterState.replies)
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.tag(NotificationFilterState.replies)
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.id(NotificationFilterState.replies)
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}
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.safeAreaInset(edge: .top, spacing: 0) {
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VStack(spacing: 0) {
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CustomPicker(selection: $filter_state, content: {
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Text("All", comment: "Label for filter for all notifications.")
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.tag(NotificationFilterState.all)
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Text("Zaps", comment: "Label for filter for zap notifications.")
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.tag(NotificationFilterState.zaps)
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Text("Mentions", comment: "Label for filter for seeing mention notifications (replies, etc).")
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.tag(NotificationFilterState.replies)
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})
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Divider()
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.frame(height: 1)
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}
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.background(colorScheme == .dark ? Color.black : Color.white)
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}
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}
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func NotificationTab(_ filter: NotificationFilterState) -> some View {
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ScrollViewReader { scroller in
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ScrollView {
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LazyVStack(alignment: .leading) {
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Color.white.opacity(0)
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.id("startblock")
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.frame(height: 5)
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ForEach(notifications.notifications.filter(filter.filter), id: \.id) { item in
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NotificationItemView(state: state, item: item)
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}
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}
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.background(GeometryReader { proxy -> Color in
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DispatchQueue.main.async {
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handle_scroll_queue(proxy, queue: self.notifications)
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}
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return Color.clear
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})
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.padding(.horizontal)
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}
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.coordinateSpace(name: "scroll")
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.onReceive(handle_notify(.scroll_to_top)) { notif in
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let _ = notifications.flush()
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self.notifications.should_queue = false
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scroll_to_event(scroller: scroller, id: "startblock", delay: 0.0, animate: true, anchor: .top)
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}
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}
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.onAppear {
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let _ = notifications.flush()
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}
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}
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}
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struct NotificationsView_Previews: PreviewProvider {
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static var previews: some View {
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NotificationsView(state: test_damus_state(), notifications: NotificationsModel(), filter_state: .all )
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}
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}
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