59 lines
1.6 KiB
Swift
59 lines
1.6 KiB
Swift
//
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// CustomEmojiPickerInputViewModel.swift
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// Mastodon
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//
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// Created by MainasuK Cirno on 2021-3-25.
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//
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import UIKit
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import Combine
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final class CustomEmojiPickerInputViewModel {
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var disposeBag = Set<AnyCancellable>()
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private var customEmojiReplacableTextInputReferences: [CustomEmojiReplacableTextInputReference] = []
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// input
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weak var customEmojiPickerInputView: CustomEmojiPickerInputView?
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// output
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let isCustomEmojiComposing = CurrentValueSubject<Bool, Never>(false)
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}
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extension CustomEmojiPickerInputViewModel {
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private func removeEmptyReferences() {
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customEmojiReplacableTextInputReferences.removeAll(where: { element in
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element.value == nil
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})
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}
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func append(customEmojiReplacableTextInput textInput: CustomEmojiReplacableTextInput) {
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removeEmptyReferences()
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let isContains = customEmojiReplacableTextInputReferences.contains(where: { element in
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element.value === textInput
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})
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guard !isContains else {
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return
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}
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customEmojiReplacableTextInputReferences.append(CustomEmojiReplacableTextInputReference(value: textInput))
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}
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func insertText(_ text: String) -> CustomEmojiReplacableTextInputReference? {
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removeEmptyReferences()
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for reference in customEmojiReplacableTextInputReferences {
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guard reference.value?.isFirstResponder == true else { continue }
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reference.value?.insertText(text)
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return reference
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}
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return nil
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}
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}
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