mirror of
https://gitlab.linphone.org/BC/public/linphone-iphone.git
synced 2026-01-17 11:08:06 +00:00
48 lines
1.2 KiB
Swift
48 lines
1.2 KiB
Swift
/*
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* Copyright (c) 2010-2020 Belledonne Communications SARL.
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*
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* This file is part of linhome
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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import Foundation
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class MediatorLiveData<T> : MutableLiveData<T> {
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private var sources : [MutableLiveData<T>?] = []
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override init(_ initial:T) {
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super.init(initial)
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}
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override init () {
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super.init()
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}
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func addSource(_ source: MutableLiveData<T>, _ onSourceChange:@escaping ()->Void) {
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sources.append(source)
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source.observe(onChange: { _ in
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onSourceChange()
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})
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}
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func destroy() {
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sources.forEach { $0?.clearObservers() }
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clearObservers()
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}
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}
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