private bool LookForNextVideo(YoutubePlaylistInfo youtubePlaylistInfo)
{
lock (_findNextVideoLock)
{
// Check if the YouTube progress bar is showing
const string script = @"
(function()
{
return !!(document.getElementsByTagName('yt-page-navigation-progress').offsetParent);
})();";
var response = Browser.EvaluateScriptAsync(script).Result;
bool valid = bool.TryParse(response.Result?.ToString(), out bool isProgressBarVisible);
if (response.Message == null && response.Success && valid && isProgressBarVisible)
{
return(false); // don't look until the progress bar is gone
}
CefSharpCache loadedCefSharpCache = CefSharpCache.Load();
// Check if request playlist ID has been reset
// If so, reset the last requested video ID
if (loadedCefSharpCache.RequestPlaylistId != YoutubeClient.SongRequestSetting.RequestPlaylistId)
{
loadedCefSharpCache.RequestPlaylistId = YoutubeClient.SongRequestSetting.RequestPlaylistId;
loadedCefSharpCache.LastRequestPlaylistVideoId = null;
CefSharpCache.Save(loadedCefSharpCache);
}
/* Check if a video from the request playlist was played at all */
if (string.IsNullOrEmpty(loadedCefSharpCache.LastRequestPlaylistVideoId))
{
LoadFirstPlaylistVideo(YoutubeClient.SongRequestSetting.RequestPlaylistId);
}
else
{
if (LoadNextPlaylistVideo(YoutubeClient.SongRequestSetting.RequestPlaylistId, loadedCefSharpCache.LastRequestPlaylistVideoId))
{
return(true);
}
else if (!string.IsNullOrEmpty(YoutubeClient.SongRequestSetting.PersonalPlaylistId))
{
/* Check if a video from the personal playlist was played at all */
if (string.IsNullOrEmpty(loadedCefSharpCache.LastPersonalPlaylistVideoId))
{
LoadFirstPlaylistVideo(YoutubeClient.SongRequestSetting.PersonalPlaylistId);
}
else
{
LoadNextPlaylistVideo(YoutubeClient.SongRequestSetting.PersonalPlaylistId, loadedCefSharpCache.LastPersonalPlaylistVideoId);
}
}
}
return(true);
}
}
private async Task YoutubePlaylistListener(YoutubePlaylistInfo youtubePlaylistInfo)
{
while (true)
{
await Task.Delay(10000); // wait 10 seconds before checking if a video is being played
await Dispatcher.BeginInvoke((Action)(async() =>
{
// Check what video was played last from the song request playlist
YoutubeClient.SongRequestSetting = await ApiBotRequest.GetExecuteTaskAsync <SongRequestSetting>(
youtubePlaylistInfo.TwitchBotApiLink + $"songrequestsettings/get/{youtubePlaylistInfo.BroadcasterId}");
DisplayDjMode();
/*
* Check if:
* - A video is currently playing/paused/buffering
* - Has a valid and loaded URL
* - If DJ mode is on
* - If the current URL is not looking at the requested or personal playlists
*/
if (!Title.Contains(_playingStatus) &&
!Title.Contains(_pausedStatus) &&
!Title.Contains(_bufferingStatus) &&
!string.IsNullOrEmpty(Browser.Address) &&
Browser.IsLoaded &&
YoutubeClient.SongRequestSetting.DjMode &&
!YoutubeClient.HasLookedForNextVideo &&
(!Browser.Address.Contains($"/playlist?list={YoutubeClient.SongRequestSetting.RequestPlaylistId}") &&
(!string.IsNullOrEmpty(YoutubeClient.SongRequestSetting.PersonalPlaylistId) &&
!Browser.Address.Contains($"/playlist?list={YoutubeClient.SongRequestSetting.PersonalPlaylistId}")
)
)
)
{
YoutubeClient.HasLookedForNextVideo = LookForNextVideo(youtubePlaylistInfo);
}
else
{
YoutubeClient.HasLookedForNextVideo = false;
}
}));
}
}
public MainWindow()
{
InitializeComponent();
Browser.MenuHandler = new MenuHandler();
#if DEBUG
System.Threading.Thread.Sleep(5000);
#endif
// check if user has given permission to their YouTube account
YoutubePlaylistInfo youtubePlaylistInfo = YoutubePlaylistInfo.Load();
bool hasYoutubeAuth = Dispatcher.Invoke(() => _youTubeClientInstance.GetAuthAsync(youtubePlaylistInfo.ClientId, youtubePlaylistInfo.ClientSecret)).Result;
if (hasYoutubeAuth)
{
Task.Factory.StartNew(() => YoutubePlaylistListener(youtubePlaylistInfo));
}
}
private void Browser_IsBrowserInitializedChanged(object sender, DependencyPropertyChangedEventArgs e)
{
Dispatcher.BeginInvoke((Action)(async() =>
{
YoutubePlaylistInfo youtubePlaylistInfo = YoutubePlaylistInfo.Load();
YoutubeClient.SongRequestSetting = await ApiBotRequest.GetExecuteTaskAsync <SongRequestSetting>(
youtubePlaylistInfo.TwitchBotApiLink + $"songrequestsettings/get/{youtubePlaylistInfo.BroadcasterId}");
// reset cache file from last runtime
CefSharpCache.Save(new CefSharpCache {
RequestPlaylistId = YoutubeClient.SongRequestSetting.RequestPlaylistId
});
if (!string.IsNullOrEmpty(YoutubeClient.SongRequestSetting.RequestPlaylistId))
{
Browser.Load($"https://www.youtube.com/playlist?list={YoutubeClient.SongRequestSetting.RequestPlaylistId}");
}
else
{
Browser.Load("https://www.youtube.com/");
}
}));
}
private void Browser_ConsoleMessage(object sender, ConsoleMessageEventArgs e)
{
Dispatcher.BeginInvoke((Action)(() =>
{
// Find index of video status
int startIndex = -1;
int endingIndex = Title.IndexOf(">>") + 2;
if (Title.IndexOf(_playingStatus) > 1)
{
startIndex = Title.IndexOf(_playingStatus);
}
else if (Title.IndexOf(_pausedStatus) > 1)
{
startIndex = Title.IndexOf(_pausedStatus);
}
else if (Title.IndexOf(_bufferingStatus) > 1)
{
startIndex = Title.IndexOf(_bufferingStatus);
}
else if (Title.IndexOf(_endedStatus) > 1)
{
startIndex = Title.IndexOf(_endedStatus);
}
if (startIndex > -1)
{
if (e.Message == _playingMessage && !Title.Contains(_playingStatus))
{
Title = Title.Replace(Title.Substring(startIndex, endingIndex - startIndex), _playingStatus);
}
else if (e.Message == _pausedMessage && !Title.Contains(_pausedStatus))
{
Title = Title.Replace(Title.Substring(startIndex, endingIndex - startIndex), _pausedStatus);
}
else if (e.Message == _bufferingMessage && !Title.Contains(_bufferingStatus))
{
Title = Title.Replace(Title.Substring(startIndex, endingIndex - startIndex), _bufferingStatus);
}
else if (e.Message == _endedMessage && !Title.Contains(_endedStatus))
{
Title = Title.Replace(Title.Substring(startIndex, endingIndex - startIndex), _endedStatus);
}
}
else
{
if (e.Message == _playingMessage)
{
Title += $" {_playingStatus}";
}
else if (e.Message == _pausedMessage)
{
Title += $" {_pausedStatus}";
}
else if (e.Message == _bufferingMessage)
{
Title += $" {_bufferingStatus}";
}
else if (e.Message == _endedMessage)
{
Title += $" {_endedStatus}";
}
}
// When DJ mode is enabled, check when the last video of a playlist has ended
// that isn't from the song request playlist
// and if we haven't recently searched for the next video
if (YoutubeClient.SongRequestSetting.DjMode &&
!YoutubeClient.HasLookedForNextVideo &&
e.Message == _endedMessage &&
!Browser.Address.Contains($"list={YoutubeClient.SongRequestSetting.RequestPlaylistId}"))
{
YoutubeClient.HasLookedForNextVideo = LookForNextVideo(YoutubePlaylistInfo.Load());
}
}));
}