forked from zelo72/mastodon-ios
86 lines
3.1 KiB
Swift
86 lines
3.1 KiB
Swift
|
//
|
||
|
|
// AudioContainerViewModel.swift
|
||
|
|
// Mastodon
|
||
|
|
//
|
||
|
|
// Created by sxiaojian on 2021/3/9.
|
||
|
|
//
|
||
|
|
|
||
|
|
import Foundation
|
||
|
|
import CoreDataStack
|
||
|
|
import UIKit
|
||
|
|
|
||
|
|
class AudioContainerViewModel {
|
||
|
|
static func configure(
|
||
|
|
cell: StatusTableViewCell,
|
||
|
|
audioAttachment: Attachment
|
||
|
|
) {
|
||
|
|
guard let duration = audioAttachment.meta?.original?.duration else { return }
|
||
|
|
let audioView = cell.statusView.audioView
|
||
|
|
audioView.timeLabel.text = duration.asString(style: .positional)
|
||
|
|
|
||
|
|
audioView.playButton.publisher(for: .touchUpInside)
|
||
|
|
.sink { button in
|
||
|
|
if (button.isSelected) {
|
||
|
|
AudioPlayer.shared.pause()
|
||
|
|
} else {
|
||
|
|
if audioAttachment === AudioPlayer.shared.attachment {
|
||
|
|
if AudioPlayer.shared.currentTimeSubject.value == 0 {
|
||
|
|
AudioPlayer.shared.playAudio(audioAttachment: audioAttachment)
|
||
|
|
} else {
|
||
|
|
AudioPlayer.shared.resume()
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
AudioPlayer.shared.playAudio(audioAttachment: audioAttachment)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
.store(in: &cell.disposeBag)
|
||
|
|
audioView.slider.publisher(for: .valueChanged)
|
||
|
|
.sink { slider in
|
||
|
|
let slider = slider as! UISlider
|
||
|
|
let time = Double(slider.value) * duration
|
||
|
|
|
||
|
|
AudioPlayer.shared.seekToTime(time: time)
|
||
|
|
}
|
||
|
|
.store(in: &cell.disposeBag)
|
||
|
|
self.observePlayer(cell:cell, audioAttachment: audioAttachment)
|
||
|
|
if audioAttachment != AudioPlayer.shared.attachment {
|
||
|
|
self.resetAudioView(audioView: audioView)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
static func observePlayer(
|
||
|
|
cell: StatusTableViewCell,
|
||
|
|
audioAttachment: Attachment
|
||
|
|
) {
|
||
|
|
let audioView = cell.statusView.audioView
|
||
|
|
AudioPlayer.shared.currentTimeSubject
|
||
|
|
.receive(on: DispatchQueue.main)
|
||
|
|
.filter { _ in
|
||
|
|
audioAttachment === AudioPlayer.shared.attachment
|
||
|
|
}
|
||
|
|
.sink(receiveValue: { time in
|
||
|
|
audioView.timeLabel.text = time.asString(style: .positional)
|
||
|
|
if let duration = audioAttachment.meta?.original?.duration, !audioView.slider.isTracking {
|
||
|
|
audioView.slider.setValue(Float(time/duration), animated: true)
|
||
|
|
}
|
||
|
|
})
|
||
|
|
.store(in: &cell.disposeBag)
|
||
|
|
AudioPlayer.shared.playbackState
|
||
|
|
.map {
|
||
|
|
return $0 == .playing || $0 == .readyToPlay
|
||
|
|
}
|
||
|
|
.sink(receiveValue: { isPlaying in
|
||
|
|
if (audioAttachment === AudioPlayer.shared.attachment) {
|
||
|
|
audioView.playButton.isSelected = isPlaying
|
||
|
|
} else {
|
||
|
|
self.resetAudioView(audioView: audioView)
|
||
|
|
}
|
||
|
|
})
|
||
|
|
.store(in: &cell.disposeBag)
|
||
|
|
}
|
||
|
|
static func resetAudioView(audioView:AudioContainerView) {
|
||
|
|
audioView.playButton.isSelected = false
|
||
|
|
audioView.slider.setValue(0, animated: false)
|
||
|
|
}
|
||
|
|
}
|