FireDrillSystem_GuiGang_WDGC/Assets/Scripts/Common/ChatSystem/Items/ChatAudioItem.cs

using UnityEngine;
using UnityEngine.UI;
using System.IO;
using UniRx;
using AX.AudioSystem;

public class ChatAudioItem : ItemBase<ChatAudioMessage>
{
    // 用户姓名
    public Text UserName;
    // 语音内容
    public Button AudioContent;
    // UI动画
    public UGUISpriteAnimation IsPlaying;
    // 播放状态
    public GameObject IsPlayingIcon;
    //语音时长
    public Text TimeSpanSeconds;
    //语音播放器
    private AudioPlayer ChatAudioPlayer;
    // 文件路径
    private string filePath;

    public override void Init()
    {
        AudioContent.OnClickAsObservable()
            .Subscribe(x => Play())
            .AddTo(this);
    }

    public override void UpdateItemData()
    {
        // 获取发送人
        long senderId = Data.SenderId;
        UserData user = CurrentUserInfo.room.FindUserById(senderId);
        // 设置发送人姓名
        UserName.text = string.Format("{0}", user != null ? user.UserInfo.RealName : "系统");
        // 获取发送内容
        TimeSpanSeconds.text = string.Format("{0}\"", Data.TimeSpanSeconds);
        // 动画默认不播放
        IsPlaying.IsPlaying = false;
        // 语音是否播放过
        IsPlayingIcon.SetActive(!Data.IsPlayed);
        // 根据
        if (ChatAudioPlayer == null)
        {
            // 聊天播放器
            ChatAudioPlayer = AudioManager.Instance.GetAudioPlayer(Data.ChatGroup.ToString());
        }
        filePath = Path.Combine(ChatManager.Instance.UserPath, Data.FileName);
        // 语音没有播放过，添加到自动播放
        if (!Data.IsPlayed)
        {
            ChatAudioPlayer.PlayScheduled(filePath);
        }
    }

    public override void UpdateItemSize()
    {
        Vector2 audioSize = new Vector2(70 + Data.TimeSpanSeconds * 5, 33);
        (AudioContent.transform as RectTransform).sizeDelta = audioSize;
    }

    private void Update()
    {
        int index = ChatAudioPlayer.PlayList.IndexOf(filePath);
        if (index != -1)
        {
            Track audio = ChatAudioPlayer.PlayList[index];
            IsPlaying.IsPlaying = audio.Playing;
            Data.IsPlayed = audio.Played;
            IsPlayingIcon.SetActive(!Data.IsPlayed);
        }
    }
    public void Play()
    {
        // 关闭除当前消息组的其他播放器
        AudioManager.Instance.StopAllWithout(Data.ChatGroup.ToString());
        // 判断聊天语音播放器是否在播放
        if (ChatAudioPlayer.IsPlaying)
        {
            // 想要播放的音频是否在播放中
            if (filePath == ChatAudioPlayer.PlayList[ChatAudioPlayer.PlayIndex].Filename)
            {
                ChatAudioPlayer.Stop();
            }
            else
            {
                ChatAudioPlayer.Stop();
                ChatAudioPlayer.Play(filePath);
            }
        }
        else
        {
            ChatAudioPlayer.Play(filePath);
        }
    }
}