103 lines
5.0 KiB
Swift
103 lines
5.0 KiB
Swift
//
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// Copyright 2022 New Vector Ltd
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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import SwiftUI
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import WysiwygComposer
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/// A table view wrapper that displays the timeline of a room.
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struct TimelineView: UIViewControllerRepresentable {
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@EnvironmentObject private var viewModelContext: TimelineViewModel.Context
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func makeUIViewController(context: Context) -> TimelineTableViewController {
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let tableViewController = TimelineTableViewController(coordinator: context.coordinator,
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isScrolledToBottom: $viewModelContext.isScrolledToBottom,
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scrollToBottomPublisher: viewModelContext.viewState.timelineViewState.scrollToBottomPublisher)
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return tableViewController
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}
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func updateUIViewController(_ uiViewController: TimelineTableViewController, context: Context) {
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context.coordinator.update(tableViewController: uiViewController)
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}
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func makeCoordinator() -> Coordinator {
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Coordinator(viewModelContext: viewModelContext)
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}
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// MARK: - Coordinator
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@MainActor
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class Coordinator {
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let context: TimelineViewModel.Context
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init(viewModelContext: TimelineViewModel.Context) {
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context = viewModelContext
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}
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/// Updates the specified table view's properties from the current view state.
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func update(tableViewController: TimelineTableViewController) {
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if tableViewController.isSwitchingTimelines != context.viewState.timelineViewState.isSwitchingTimelines {
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// Must come before timelineItemsDictionary in order to disable animations.
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tableViewController.isSwitchingTimelines = context.viewState.timelineViewState.isSwitchingTimelines
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}
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if tableViewController.timelineItemsDictionary != context.viewState.timelineViewState.itemsDictionary {
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tableViewController.timelineItemsDictionary = context.viewState.timelineViewState.itemsDictionary
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}
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if tableViewController.paginationState != context.viewState.timelineViewState.paginationState {
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tableViewController.paginationState = context.viewState.timelineViewState.paginationState
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}
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if tableViewController.isLive != context.viewState.timelineViewState.isLive {
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tableViewController.isLive = context.viewState.timelineViewState.isLive
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}
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if tableViewController.focussedEvent != context.viewState.timelineViewState.focussedEvent {
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tableViewController.focussedEvent = context.viewState.timelineViewState.focussedEvent
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}
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if tableViewController.typingMembers.members != context.viewState.typingMembers {
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tableViewController.setTypingMembers(context.viewState.typingMembers)
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}
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}
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func send(viewAction: TimelineViewAction) {
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context.send(viewAction: viewAction)
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}
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}
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}
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// MARK: - Previews
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struct TimelineView_Previews: PreviewProvider, TestablePreview {
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static let roomProxyMock = JoinedRoomProxyMock(.init(id: "stable_id",
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name: "Preview room"))
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static let roomViewModel = RoomScreenViewModel.mock(roomProxyMock: roomProxyMock)
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static let timelineViewModel = TimelineViewModel(roomProxy: roomProxyMock,
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timelineController: MockRoomTimelineController(),
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mediaProvider: MockMediaProvider(),
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mediaPlayerProvider: MediaPlayerProviderMock(),
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voiceMessageMediaManager: VoiceMessageMediaManagerMock(),
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userIndicatorController: ServiceLocator.shared.userIndicatorController,
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appMediator: AppMediatorMock.default,
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appSettings: ServiceLocator.shared.settings,
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analyticsService: ServiceLocator.shared.analytics)
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static var previews: some View {
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NavigationStack {
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RoomScreen(roomViewModel: roomViewModel,
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timelineViewModel: timelineViewModel,
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composerToolbar: ComposerToolbar.mock())
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}
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}
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}
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