mirror of
https://github.com/Novaloop-AG/element-x-ios.git
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RoomScreenViewModel is now TimelineViewModel (#3157)
Co-authored-by: Stefan Ceriu <stefanc@matrix.org>
This commit is contained in:
Mauro
GitHub
@@ -0,0 +1,572 @@
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//
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// Copyright 2023 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 Combine
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import UIKit
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enum TimelineInteractionHandlerAction {
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case composer(action: TimelineComposerAction)
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case displayEmojiPicker(itemID: TimelineItemIdentifier, selectedEmojis: Set<String>)
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case displayReportContent(itemID: TimelineItemIdentifier, senderID: String)
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case displayMessageForwarding(itemID: TimelineItemIdentifier)
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case displayMediaUploadPreviewScreen(url: URL)
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case displayPollForm(mode: PollFormMode)
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case displayRoomMemberDetails(userID: String)
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case showActionMenu(TimelineItemActionMenuInfo)
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case showDebugInfo(TimelineItemDebugInfo)
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case displayAudioRecorderPermissionError
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case displayErrorToast(String)
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}
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@MainActor
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class TimelineInteractionHandler {
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private let roomProxy: RoomProxyProtocol
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private let timelineController: RoomTimelineControllerProtocol
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private let mediaProvider: MediaProviderProtocol
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private let mediaPlayerProvider: MediaPlayerProviderProtocol
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private let voiceMessageRecorder: VoiceMessageRecorderProtocol
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private let voiceMessageMediaManager: VoiceMessageMediaManagerProtocol
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private let userIndicatorController: UserIndicatorControllerProtocol
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private let appMediator: AppMediatorProtocol
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private let appSettings: AppSettings
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private let analyticsService: AnalyticsService
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private let pollInteractionHandler: PollInteractionHandlerProtocol
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private let actionsSubject: PassthroughSubject<TimelineInteractionHandlerAction, Never> = .init()
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var actions: AnyPublisher<TimelineInteractionHandlerAction, Never> {
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actionsSubject.eraseToAnyPublisher()
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}
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private var voiceMessageRecorderObserver: AnyCancellable? {
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didSet {
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appMediator.setIdleTimerDisabled(voiceMessageRecorderObserver != nil)
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}
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}
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private var resumeVoiceMessagePlaybackAfterScrubbing = false
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init(roomProxy: RoomProxyProtocol,
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timelineController: RoomTimelineControllerProtocol,
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mediaProvider: MediaProviderProtocol,
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mediaPlayerProvider: MediaPlayerProviderProtocol,
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voiceMessageMediaManager: VoiceMessageMediaManagerProtocol,
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voiceMessageRecorder: VoiceMessageRecorderProtocol,
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userIndicatorController: UserIndicatorControllerProtocol,
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appMediator: AppMediatorProtocol,
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appSettings: AppSettings,
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analyticsService: AnalyticsService) {
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self.roomProxy = roomProxy
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self.timelineController = timelineController
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self.mediaProvider = mediaProvider
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self.mediaPlayerProvider = mediaPlayerProvider
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self.voiceMessageMediaManager = voiceMessageMediaManager
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self.voiceMessageRecorder = voiceMessageRecorder
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self.userIndicatorController = userIndicatorController
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self.appMediator = appMediator
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self.appSettings = appSettings
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self.analyticsService = analyticsService
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pollInteractionHandler = PollInteractionHandler(analyticsService: analyticsService, roomProxy: roomProxy)
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}
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// MARK: Timeline Item Action Menu
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func displayTimelineItemActionMenu(for itemID: TimelineItemIdentifier) {
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Task {
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guard let timelineItem = timelineController.timelineItems.firstUsingStableID(itemID),
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let eventTimelineItem = timelineItem as? EventBasedTimelineItemProtocol else {
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// Don't show a menu for non-event based items.
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return
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}
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actionsSubject.send(.composer(action: .removeFocus))
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actionsSubject.send(.showActionMenu(.init(item: eventTimelineItem)))
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}
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}
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func handleTimelineItemMenuAction(_ action: TimelineItemMenuAction, itemID: TimelineItemIdentifier) {
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guard let timelineItem = timelineController.timelineItems.firstUsingStableID(itemID),
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let eventTimelineItem = timelineItem as? EventBasedTimelineItemProtocol else {
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return
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}
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switch action {
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case .copy:
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guard let messageTimelineItem = timelineItem as? EventBasedMessageTimelineItemProtocol else {
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return
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}
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UIPasteboard.general.string = messageTimelineItem.body
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case .edit:
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switch timelineItem {
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case let messageTimelineItem as EventBasedMessageTimelineItemProtocol:
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processEditMessageEvent(messageTimelineItem)
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case let pollTimelineItem as PollRoomTimelineItem:
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guard let eventID = pollTimelineItem.id.eventID else {
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MXLog.error("Cannot edit poll with id: \(timelineItem.id)")
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return
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}
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actionsSubject.send(.displayPollForm(mode: .edit(eventID: eventID, poll: pollTimelineItem.poll)))
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default:
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MXLog.error("Cannot edit item with id: \(timelineItem.id)")
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}
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case .copyPermalink:
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guard let eventID = eventTimelineItem.id.eventID else {
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actionsSubject.send(.displayErrorToast(L10n.errorFailedCreatingThePermalink))
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return
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}
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Task {
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guard case let .success(permalinkURL) = await roomProxy.matrixToEventPermalink(eventID) else {
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actionsSubject.send(.displayErrorToast(L10n.errorFailedCreatingThePermalink))
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return
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}
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UIPasteboard.general.url = permalinkURL
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}
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case .redact:
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Task {
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await timelineController.redact(itemID)
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}
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case .reply:
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guard let eventID = eventTimelineItem.id.eventID else {
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return
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}
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let replyInfo = buildReplyInfo(for: eventTimelineItem)
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let replyDetails = TimelineItemReplyDetails.loaded(sender: eventTimelineItem.sender, eventID: eventID, eventContent: replyInfo.type)
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actionsSubject.send(.composer(action: .setMode(mode: .reply(itemID: eventTimelineItem.id, replyDetails: replyDetails, isThread: replyInfo.isThread))))
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case .forward(let itemID):
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actionsSubject.send(.displayMessageForwarding(itemID: itemID))
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case .viewSource:
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let debugInfo = timelineController.debugInfo(for: eventTimelineItem.id)
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MXLog.info("Showing debug info for \(eventTimelineItem.id)")
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actionsSubject.send(.showDebugInfo(debugInfo))
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case .retryDecryption(let sessionID):
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Task {
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await timelineController.retryDecryption(for: sessionID)
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}
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case .report:
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actionsSubject.send(.displayReportContent(itemID: itemID, senderID: eventTimelineItem.sender.id))
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case .react:
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displayEmojiPicker(for: itemID)
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case .toggleReaction(let key):
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guard let eventID = itemID.eventID else { return }
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Task { await roomProxy.timeline.toggleReaction(key, to: eventID) }
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case .endPoll(let pollStartID):
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endPoll(pollStartID: pollStartID)
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case .pin:
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guard let eventID = itemID.eventID else { return }
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Task { await timelineController.pin(eventID: eventID) }
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case .unpin:
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guard let eventID = itemID.eventID else { return }
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Task { await timelineController.unpin(eventID: eventID) }
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}
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if action.switchToDefaultComposer {
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actionsSubject.send(.composer(action: .setMode(mode: .default)))
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}
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}
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private func processEditMessageEvent(_ messageTimelineItem: EventBasedMessageTimelineItemProtocol) {
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let text: String
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var htmlText: String?
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switch messageTimelineItem.contentType {
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case .text(let content):
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text = content.body
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htmlText = content.formattedBodyHTMLString
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case .emote(let content):
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text = "/me " + content.body
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default:
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text = messageTimelineItem.body
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}
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// Always update the mode first and then the text so that the composer has time to save the text draft
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actionsSubject.send(.composer(action: .setMode(mode: .edit(originalItemId: messageTimelineItem.id))))
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actionsSubject.send(.composer(action: .setText(plainText: text, htmlText: htmlText)))
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}
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// MARK: Polls
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func sendPollResponse(pollStartID: String, optionID: String) {
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Task {
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let sendPollResponseResult = await pollInteractionHandler.sendPollResponse(pollStartID: pollStartID, optionID: optionID)
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switch sendPollResponseResult {
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case .success:
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break
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case .failure:
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actionsSubject.send(.displayErrorToast(L10n.errorUnknown))
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}
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}
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}
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func endPoll(pollStartID: String) {
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Task {
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let endPollResult = await pollInteractionHandler.endPoll(pollStartID: pollStartID)
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switch endPollResult {
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case .success:
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break
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case .failure:
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actionsSubject.send(.displayErrorToast(L10n.errorUnknown))
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}
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}
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}
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// MARK: Pasting and dropping
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func handlePasteOrDrop(_ provider: NSItemProvider) {
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guard let contentType = provider.preferredContentType,
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let preferredExtension = contentType.preferredFilenameExtension else {
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MXLog.error("Invalid NSItemProvider: \(provider)")
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actionsSubject.send(.displayErrorToast(L10n.screenRoomErrorFailedProcessingMedia))
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return
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}
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let providerSuggestedName = provider.suggestedName
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let providerDescription = provider.description
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_ = provider.loadDataRepresentation(for: contentType) { data, error in
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Task { @MainActor in
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let loadingIndicatorIdentifier = UUID().uuidString
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self.userIndicatorController.submitIndicator(UserIndicator(id: loadingIndicatorIdentifier, type: .modal, title: L10n.commonLoading, persistent: true))
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defer {
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self.userIndicatorController.retractIndicatorWithId(loadingIndicatorIdentifier)
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}
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if let error {
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self.actionsSubject.send(.displayErrorToast(L10n.screenRoomErrorFailedProcessingMedia))
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MXLog.error("Failed processing NSItemProvider: \(providerDescription) with error: \(error)")
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return
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}
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guard let data else {
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self.actionsSubject.send(.displayErrorToast(L10n.screenRoomErrorFailedProcessingMedia))
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MXLog.error("Invalid NSItemProvider data: \(providerDescription)")
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return
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}
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do {
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let url = try await Task.detached {
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if let filename = providerSuggestedName {
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let hasExtension = !(filename as NSString).pathExtension.isEmpty
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let filename = hasExtension ? filename : "\(filename).\(preferredExtension)"
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return try FileManager.default.writeDataToTemporaryDirectory(data: data, fileName: filename)
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} else {
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let filename = "\(UUID().uuidString).\(preferredExtension)"
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return try FileManager.default.writeDataToTemporaryDirectory(data: data, fileName: filename)
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}
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}.value
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self.actionsSubject.send(.displayMediaUploadPreviewScreen(url: url))
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} catch {
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self.actionsSubject.send(.displayErrorToast(L10n.screenRoomErrorFailedProcessingMedia))
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MXLog.error("Failed storing NSItemProvider data \(providerDescription) with error: \(error)")
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}
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}
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}
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}
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// MARK: Voice messages
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private func handleVoiceMessageRecorderAction(_ action: VoiceMessageRecorderAction) {
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MXLog.debug("handling voice recorder action: \(action) - (audio)")
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switch action {
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case .didStartRecording(let audioRecorder):
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let audioRecordState = AudioRecorderState()
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audioRecordState.attachAudioRecorder(audioRecorder)
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actionsSubject.send(.composer(action: .setMode(mode: .recordVoiceMessage(state: audioRecordState))))
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case .didStopRecording(let previewAudioPlayerState, let url):
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actionsSubject.send(.composer(action: .setMode(mode: .previewVoiceMessage(state: previewAudioPlayerState, waveform: .url(url), isUploading: false))))
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voiceMessageRecorderObserver = nil
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case .didFailWithError(let error):
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switch error {
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case .audioRecorderError(.recordPermissionNotGranted):
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MXLog.info("permission to record audio has not been granted.")
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actionsSubject.send(.displayAudioRecorderPermissionError)
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default:
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MXLog.error("failed to start voice message recording. \(error)")
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actionsSubject.send(.composer(action: .setMode(mode: .default)))
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}
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}
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}
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func startRecordingVoiceMessage() async {
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voiceMessageRecorderObserver = voiceMessageRecorder.actions
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.receive(on: DispatchQueue.main)
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.sink { [weak self] action in
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self?.handleVoiceMessageRecorderAction(action)
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}
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await voiceMessageRecorder.startRecording()
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}
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func stopRecordingVoiceMessage() async {
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await voiceMessageRecorder.stopRecording()
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}
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func cancelRecordingVoiceMessage() async {
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await voiceMessageRecorder.cancelRecording()
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voiceMessageRecorderObserver = nil
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actionsSubject.send(.composer(action: .setMode(mode: .default)))
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}
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func deleteCurrentVoiceMessage() async {
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if voiceMessageRecorder.isRecording {
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await voiceMessageRecorder.cancelRecording()
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} else {
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await voiceMessageRecorder.deleteRecording()
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}
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voiceMessageRecorderObserver = nil
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actionsSubject.send(.composer(action: .setMode(mode: .default)))
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}
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func sendCurrentVoiceMessage() async {
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guard let audioPlayerState = voiceMessageRecorder.previewAudioPlayerState, let recordingURL = voiceMessageRecorder.recordingURL else {
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actionsSubject.send(.displayErrorToast(L10n.errorFailedUploadingVoiceMessage))
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return
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}
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analyticsService.trackComposer(inThread: false,
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isEditing: false,
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isReply: false,
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messageType: .VoiceMessage,
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startsThread: nil)
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actionsSubject.send(.composer(action: .setMode(mode: .previewVoiceMessage(state: audioPlayerState, waveform: .url(recordingURL), isUploading: true))))
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await voiceMessageRecorder.stopPlayback()
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switch await voiceMessageRecorder.sendVoiceMessage(inRoom: roomProxy, audioConverter: AudioConverter()) {
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case .success:
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await deleteCurrentVoiceMessage()
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case .failure(let error):
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MXLog.error("failed to send the voice message. \(error)")
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actionsSubject.send(.composer(action: .setMode(mode: .previewVoiceMessage(state: audioPlayerState, waveform: .url(recordingURL), isUploading: false))))
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actionsSubject.send(.displayErrorToast(L10n.errorFailedUploadingVoiceMessage))
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}
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}
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func startPlayingRecordedVoiceMessage() async {
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await mediaPlayerProvider.detachAllStates(except: voiceMessageRecorder.previewAudioPlayerState)
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if case .failure(let error) = await voiceMessageRecorder.startPlayback() {
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MXLog.error("failed to play recorded voice message. \(error)")
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}
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}
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func pausePlayingRecordedVoiceMessage() {
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voiceMessageRecorder.pausePlayback()
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}
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func seekRecordedVoiceMessage(to progress: Double) async {
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await mediaPlayerProvider.detachAllStates(except: voiceMessageRecorder.previewAudioPlayerState)
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await voiceMessageRecorder.seekPlayback(to: progress)
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}
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func scrubVoiceMessagePlayback(scrubbing: Bool) async {
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guard let audioPlayerState = voiceMessageRecorder.previewAudioPlayerState else {
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return
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}
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if scrubbing {
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if audioPlayerState.playbackState == .playing {
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resumeVoiceMessagePlaybackAfterScrubbing = true
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pausePlayingRecordedVoiceMessage()
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}
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} else {
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if resumeVoiceMessagePlaybackAfterScrubbing {
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resumeVoiceMessagePlaybackAfterScrubbing = false
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await startPlayingRecordedVoiceMessage()
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}
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}
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}
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// MARK: Audio Playback
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// swiftlint:disable:next cyclomatic_complexity
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func playPauseAudio(for itemID: TimelineItemIdentifier) async {
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MXLog.info("Toggle play/pause audio for itemID \(itemID)")
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guard let timelineItem = timelineController.timelineItems.firstUsingStableID(itemID) else {
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fatalError("TimelineItem \(itemID) not found")
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}
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guard let voiceMessageRoomTimelineItem = timelineItem as? VoiceMessageRoomTimelineItem else {
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fatalError("Invalid TimelineItem type for itemID \(itemID) (expecting `VoiceMessageRoomTimelineItem` but found \(type(of: timelineItem)) instead")
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}
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guard let source = voiceMessageRoomTimelineItem.content.source else {
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MXLog.error("Cannot start voice message playback, source is not defined for itemID \(itemID)")
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return
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}
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guard case .success(let mediaPlayer) = mediaPlayerProvider.player(for: source), let audioPlayer = mediaPlayer as? AudioPlayerProtocol else {
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MXLog.error("Cannot play a voice message without an audio player")
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return
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}
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// Stop any recording in progress
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if voiceMessageRecorder.isRecording {
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await voiceMessageRecorder.stopRecording()
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}
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guard let audioPlayerState = audioPlayerState(for: itemID) else {
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fatalError("Audio player state not found for \(itemID)")
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}
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// Ensure this one is attached
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if !audioPlayerState.isAttached {
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audioPlayerState.attachAudioPlayer(audioPlayer)
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}
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// Detach all other states
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await mediaPlayerProvider.detachAllStates(except: audioPlayerState)
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guard audioPlayer.mediaSource == source, audioPlayer.state != .error else {
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// Load content
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do {
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MXLog.info("Loading voice message audio content from source for itemID \(itemID)")
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let url = try await voiceMessageMediaManager.loadVoiceMessageFromSource(source, body: nil)
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// Make sure that the player is still attached, as it may have been detached while waiting for the voice message to be loaded.
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if audioPlayerState.isAttached {
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audioPlayer.load(mediaSource: source, using: url, autoplay: true)
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}
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} catch {
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MXLog.error("Failed to load voice message: \(error)")
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audioPlayerState.reportError()
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}
|
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return
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}
|
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if audioPlayer.state == .playing {
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audioPlayer.pause()
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} else {
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audioPlayer.play()
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}
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}
|
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func seekAudio(for itemID: TimelineItemIdentifier, progress: Double) async {
|
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guard let playerState = mediaPlayerProvider.playerState(for: .timelineItemIdentifier(itemID)) else {
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return
|
||||
}
|
||||
await mediaPlayerProvider.detachAllStates(except: playerState)
|
||||
await playerState.updateState(progress: progress)
|
||||
}
|
||||
|
||||
func audioPlayerState(for itemID: TimelineItemIdentifier) -> AudioPlayerState? {
|
||||
guard let timelineItem = timelineController.timelineItems.firstUsingStableID(itemID) else {
|
||||
MXLog.error("TimelineItem \(itemID) not found")
|
||||
return nil
|
||||
}
|
||||
|
||||
guard let voiceMessageRoomTimelineItem = timelineItem as? VoiceMessageRoomTimelineItem else {
|
||||
MXLog.error("Invalid TimelineItem type (expecting `VoiceMessageRoomTimelineItem` but found \(type(of: timelineItem)) instead")
|
||||
return nil
|
||||
}
|
||||
|
||||
if let playerState = mediaPlayerProvider.playerState(for: .timelineItemIdentifier(itemID)) {
|
||||
return playerState
|
||||
}
|
||||
|
||||
let playerState = AudioPlayerState(id: .timelineItemIdentifier(itemID),
|
||||
duration: voiceMessageRoomTimelineItem.content.duration,
|
||||
waveform: voiceMessageRoomTimelineItem.content.waveform)
|
||||
mediaPlayerProvider.register(audioPlayerState: playerState)
|
||||
return playerState
|
||||
}
|
||||
|
||||
// MARK: Other
|
||||
|
||||
func displayEmojiPicker(for itemID: TimelineItemIdentifier) {
|
||||
guard let timelineItem = timelineController.timelineItems.firstUsingStableID(itemID),
|
||||
timelineItem.isReactable,
|
||||
let eventTimelineItem = timelineItem as? EventBasedTimelineItemProtocol else {
|
||||
return
|
||||
}
|
||||
let selectedEmojis = Set(eventTimelineItem.properties.reactions.compactMap { $0.isHighlighted ? $0.key : nil })
|
||||
actionsSubject.send(.displayEmojiPicker(itemID: itemID, selectedEmojis: selectedEmojis))
|
||||
}
|
||||
|
||||
func displayRoomMemberDetails(userID: String) async {
|
||||
actionsSubject.send(.displayRoomMemberDetails(userID: userID))
|
||||
}
|
||||
|
||||
func processItemTap(_ itemID: TimelineItemIdentifier) async -> RoomTimelineControllerAction {
|
||||
guard let timelineItem = timelineController.timelineItems.firstUsingStableID(itemID) else {
|
||||
return .none
|
||||
}
|
||||
|
||||
switch timelineItem {
|
||||
case let item as LocationRoomTimelineItem:
|
||||
guard let geoURI = item.content.geoURI else { return .none }
|
||||
return .displayLocation(body: item.content.body, geoURI: geoURI, description: item.content.description)
|
||||
default:
|
||||
return await displayMediaActionIfPossible(timelineItem: timelineItem)
|
||||
}
|
||||
}
|
||||
|
||||
// MARK: - Private
|
||||
|
||||
private func buildReplyInfo(for item: EventBasedTimelineItemProtocol) -> ReplyInfo {
|
||||
switch item {
|
||||
case let messageItem as EventBasedMessageTimelineItemProtocol:
|
||||
return .init(type: .message(messageItem.contentType), isThread: messageItem.isThreaded)
|
||||
case let pollItem as PollRoomTimelineItem:
|
||||
return .init(type: .poll(question: pollItem.poll.question), isThread: false)
|
||||
default:
|
||||
return .init(type: .message(.text(.init(body: item.body))), isThread: false)
|
||||
}
|
||||
}
|
||||
|
||||
private func displayMediaActionIfPossible(timelineItem: RoomTimelineItemProtocol) async -> RoomTimelineControllerAction {
|
||||
var source: MediaSourceProxy?
|
||||
var body: String
|
||||
|
||||
switch timelineItem {
|
||||
case let item as ImageRoomTimelineItem:
|
||||
source = item.content.source
|
||||
body = item.content.body
|
||||
case let item as VideoRoomTimelineItem:
|
||||
source = item.content.source
|
||||
body = item.content.body
|
||||
case let item as FileRoomTimelineItem:
|
||||
source = item.content.source
|
||||
body = item.content.body
|
||||
case let item as AudioRoomTimelineItem:
|
||||
// For now we are just displaying audio messages with the File preview until we create a timeline player for them.
|
||||
source = item.content.source
|
||||
body = item.content.body
|
||||
default:
|
||||
return .none
|
||||
}
|
||||
|
||||
guard let source else { return .none }
|
||||
switch await mediaProvider.loadFileFromSource(source, body: body) {
|
||||
case .success(let file):
|
||||
return .displayMediaFile(file: file, title: body)
|
||||
case .failure:
|
||||
return .none
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private struct ReplyInfo {
|
||||
let type: TimelineEventContent
|
||||
let isThread: Bool
|
||||
}
|
||||
Reference in New Issue
Block a user