实例介绍
【实例简介】
【实例截图】
【核心代码】
using System; using System.Collections.Generic; using System.Windows; using System.Windows.Controls; using System.Windows.Controls.Primitives; using System.Windows.Media; namespace LJ.RIA.MediaPlayer { public partial class Player : UserControl { #region 成员 private IList<PlayListItem> playList = null; private Popup FullPopup = null; private bool isListBoxShow = false; private List<DateTime> mouseClickList = null; #endregion #region 属性 /// <summary> /// 获取或设置一个值,是否单文件循环播放 /// </summary> public bool IsReplay { get; set; } /// <summary> /// 获取或设置一个值,是否自动播放 /// </summary> public bool IsAutoPaly { get { return this.mediaElement.AutoPlay; } set { this.mediaElement.AutoPlay = value; } } /// <summary> /// 播放列表 /// </summary> public IList<PlayListItem> PlayList { get { return this.playList; } set { this.playList = value; this.playListBox.PlayListSource = value; } } #endregion #region 构造函数 public Player() { // Required to initialize variables InitializeComponent(); mouseClickList = new List<DateTime>(); this.mediaElement.MediaOpened = new RoutedEventHandler(mediaElement_MediaOpened); this.mediaElement.MediaEnded = new RoutedEventHandler(mediaElement_MediaEnded); this.mediaElement.CurrentStateChanged = new RoutedEventHandler(mediaElement_CurrentStateChanged); this.mediaElement.BufferingProgressChanged = new RoutedEventHandler(mediaElement_BufferingProgressChanged); this.mediaElement.MediaFailed = new EventHandler<ExceptionRoutedEventArgs>(mediaElement_MediaFailed); CompositionTarget.Rendering = new EventHandler(CompositionTarget_Rendering); this.playTools.ClickFullScreenButton = new Action<bool>(playTools_ClickFullScreenButton); this.playTools.ClickPlayPauseStopButton = new Action<MediaElementState>(playTools_ClickPlayPauseStopButton); this.playTools.ClickProcessBar = new Action<TimeSpan>(playTools_ClickProcessBar); this.playTools.ChangeVolumeValue = new Action<double>(playTools_ChangeVolumeValue); this.playTools.ClickListButton = new Action(playTools_ClickListButton); this.playListBox.SelectPlayItemChanged = new Action<MediaPlayer.PlayListItem>(playListBox_SelectPlayItemChanged); Application.Current.Host.Content.FullScreenChanged = new EventHandler(Content_FullScreenChanged); this.mediaElement.MouseLeftButtonDown = new System.Windows.Input.MouseButtonEventHandler(mediaElement_MouseLeftButtonDown); } #endregion #region 事件处理 void mediaElement_MediaFailed(object sender, ExceptionRoutedEventArgs e) { this.playTools.CurrentMessage = e.ErrorException.Message; } void mediaElement_BufferingProgressChanged(object sender, RoutedEventArgs e) { if (this.mediaElement.CurrentState == MediaElementState.Buffering) { this.playTools.CurrentMessage = this.mediaElement.CurrentState " " Math.Round(this.mediaElement.BufferingProgress * 100, 0).ToString() "%"; } } void mediaElement_CurrentStateChanged(object sender, RoutedEventArgs e) { this.playTools.CurrentState = this.mediaElement.CurrentState; } void mediaElement_MediaEnded(object sender, RoutedEventArgs e) { this.mediaElement.Stop(); if (this.IsReplay) { this.mediaElement.Play(); } } void CompositionTarget_Rendering(object sender, EventArgs e) { int currentTime = (int)this.mediaElement.Position.TotalSeconds; this.playTools.CurrentPlayTime = currentTime; } void mediaElement_MediaOpened(object sender, RoutedEventArgs e) { this.playTools.TotaPlayTime = (int)this.mediaElement.NaturalDuration.TimeSpan.TotalSeconds; } void playTools_ChangeVolumeValue(double value) { this.mediaElement.Volume = value; } void playTools_ClickPlayPauseStopButton(MediaElementState state) { switch (state) { case MediaElementState.Playing: this.mediaElement.Play(); break; case MediaElementState.Paused: this.mediaElement.Pause(); break; case MediaElementState.Stopped: this.mediaElement.Stop(); break; } } void playTools_ClickProcessBar(TimeSpan time) { this.mediaElement.Position = time; } void playTools_ClickFullScreenButton(bool isScreenFull) { Application.Current.Host.Content.IsFullScreen = isScreenFull; if (isScreenFull) { this.FullPopup = new Popup(); double width = Application.Current.Host.Content.ActualWidth; double height = Application.Current.Host.Content.ActualHeight; VideoFullPlayer videoFullPlayer = new VideoFullPlayer(); videoFullPlayer.FullScreenChange = new Action<bool>(videoFullPlayer_FullScreenChange); videoFullPlayer.Width = width; videoFullPlayer.Height = height; videoFullPlayer.SetVideoBrush(this.mediaElement); PlayTools playTools = this.playTools; this.LayoutRoot.Children.Remove(this.playTools); videoFullPlayer.CurrentPlayTools = playTools; FullPopup.Child = videoFullPlayer; FullPopup.IsOpen = true; } } void videoFullPlayer_FullScreenChange(bool obj) { this.playTools.IsScreenFull = obj; Application.Current.Host.Content.IsFullScreen = obj; } void Content_FullScreenChanged(object sender, EventArgs e) { if (!Application.Current.Host.Content.IsFullScreen) { if (this.FullPopup != null) { PlayTools playTools = (this.FullPopup.Child as VideoFullPlayer).CurrentPlayTools; playTools.IsScreenFull = false; this.LayoutRoot.Children.Add(playTools); Grid.SetRow(playTools, 1); this.FullPopup.IsOpen = false; this.FullPopup = null; } } } void playTools_ClickListButton() { if (this.isListBoxShow) { this.isListBoxShow = false; this.playListBox.Visibility = Visibility.Collapsed; } else { this.isListBoxShow = true; this.playListBox.Visibility = Visibility.Visible; } } void playListBox_SelectPlayItemChanged(PlayListItem listItem) { this.PlayListItem(listItem); } void mediaElement_MouseLeftButtonDown(object sender, System.Windows.Input.MouseButtonEventArgs e) { if (mouseClickList.Count == 0) { mouseClickList.Add(DateTime.Now); } else { if (mouseClickList.Count == 1) { if (DateTime.Now.Subtract(mouseClickList[0]).TotalMilliseconds <= 300) { this.playTools.IsScreenFull = true; playTools_ClickFullScreenButton(true); } mouseClickList.Clear(); } } } #endregion #region 公共方法 /// <summary> /// 顺序播放列表文件 /// </summary> public void Play() { if (this.playList != null && this.playList.Count > 0) { this.mediaElement.Source = this.playList[0].MediaSource; this.playTools.CurrentPlayingMediaName = this.playList[0].DisplayName; } } /// <summary> /// 播放指定文件 /// </summary> /// <param name="playListItem"></param> public void Play(PlayListItem playListItem) { if (playListItem != null) { this.playList.Add(playListItem); this.mediaElement.Source = playListItem.MediaSource; this.playTools.CurrentPlayingMediaName = playListItem.DisplayName; } } #endregion #region 私有方法 private void PlayListItem(PlayListItem playListItem) { this.mediaElement.Source = playListItem.MediaSource; this.mediaElement.Play(); this.playTools.CurrentPlayingMediaName = playListItem.DisplayName; } #endregion } }
好例子网口号:伸出你的我的手 — 分享!
小贴士
感谢您为本站写下的评论,您的评论对其它用户来说具有重要的参考价值,所以请认真填写。
- 类似“顶”、“沙发”之类没有营养的文字,对勤劳贡献的楼主来说是令人沮丧的反馈信息。
- 相信您也不想看到一排文字/表情墙,所以请不要反馈意义不大的重复字符,也请尽量不要纯表情的回复。
- 提问之前请再仔细看一遍楼主的说明,或许是您遗漏了。
- 请勿到处挖坑绊人、招贴广告。既占空间让人厌烦,又没人会搭理,于人于己都无利。
关于好例子网
本站旨在为广大IT学习爱好者提供一个非营利性互相学习交流分享平台。本站所有资源都可以被免费获取学习研究。本站资源来自网友分享,对搜索内容的合法性不具有预见性、识别性、控制性,仅供学习研究,请务必在下载后24小时内给予删除,不得用于其他任何用途,否则后果自负。基于互联网的特殊性,平台无法对用户传输的作品、信息、内容的权属或合法性、安全性、合规性、真实性、科学性、完整权、有效性等进行实质审查;无论平台是否已进行审查,用户均应自行承担因其传输的作品、信息、内容而可能或已经产生的侵权或权属纠纷等法律责任。本站所有资源不代表本站的观点或立场,基于网友分享,根据中国法律《信息网络传播权保护条例》第二十二与二十三条之规定,若资源存在侵权或相关问题请联系本站客服人员,点此联系我们。关于更多版权及免责申明参见 版权及免责申明
网友评论
我要评论