mirror of
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55 lines
2 KiB
Swift
55 lines
2 KiB
Swift
//
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// Copyright 2021 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 Foundation
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@available(iOS 14, *)
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class PollTimelineProvider {
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static let shared = PollTimelineProvider()
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var session: MXSession?
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var coordinatorsForEventIdentifiers = [String: PollTimelineCoordinator]()
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private init() {
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}
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/// Create or retrieve the poll timeline coordinator for this event and return
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/// a view to be displayed in the timeline
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func buildPollTimelineViewForEvent(_ event: MXEvent) -> UIView? {
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guard let session = session, let room = session.room(withRoomId: event.roomId) else {
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return nil
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}
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if let coordinator = coordinatorsForEventIdentifiers[event.eventId] {
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return coordinator.toPresentable().view
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}
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let parameters = PollTimelineCoordinatorParameters(session: session, room: room, pollStartEvent: event)
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guard let coordinator = try? PollTimelineCoordinator(parameters: parameters) else {
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return nil
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}
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coordinatorsForEventIdentifiers[event.eventId] = coordinator
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return coordinator.toPresentable().view
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}
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/// Retrieve the poll timeline coordinator for the given event or nil if it hasn't been created yet
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func pollTimelineCoordinatorForEventIdentifier(_ eventIdentifier: String) -> PollTimelineCoordinator? {
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return coordinatorsForEventIdentifiers[eventIdentifier]
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}
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}
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