/// <summary>
/// Create the next media node based on the provided options
/// </summary>
/// <param name="options"></param>
/// <returns></returns>
private Media CreateNextMediaNode(RegionOptions options)
{
Media media;
Trace.WriteLine(new LogMessage("Region - CreateNextMediaNode", string.Format("Creating new media: {0}, {1}", options.type, options.mediaid)), LogType.Audit.ToString());
if (options.render == "html")
{
media = new IeWebMedia(options);
}
else
{
// We've set our next media node in options already
// this includes checking that file based media is valid.
switch (options.type)
{
case "image":
options.uri = ApplicationSettings.Default.LibraryPath + @"\" + options.uri;
media = new ImagePosition(options);
break;
case "powerpoint":
options.uri = ApplicationSettings.Default.LibraryPath + @"\" + options.uri;
media = new PowerPoint(options);
break;
case "video":
options.uri = ApplicationSettings.Default.LibraryPath + @"\" + options.uri;
// Which video engine are we using?
if (ApplicationSettings.Default.VideoRenderingEngine == "DirectShow")
{
media = new VideoDS(options);
}
else
{
media = new Video(options);
}
break;
case "localvideo":
// Which video engine are we using?
if (ApplicationSettings.Default.VideoRenderingEngine == "DirectShow")
{
media = new VideoDS(options);
}
else
{
media = new Video(options);
}
break;
case "audio":
options.uri = ApplicationSettings.Default.LibraryPath + @"\" + options.uri;
media = new Audio(options);
break;
case "datasetview":
case "embedded":
case "ticker":
case "text":
case "webpage":
media = new IeWebMedia(options);
break;
case "flash":
options.uri = ApplicationSettings.Default.LibraryPath + @"\" + options.uri;
media = new Flash(options);
break;
case "shellcommand":
media = new ShellCommand(options);
break;
default:
throw new InvalidOperationException("Not a valid media node type: " + options.type);
}
}
// Sets up the timer for this media, if it hasn't already been set
if (media.Duration == 0)
{
media.Duration = options.duration;
}
// Add event handler for when this completes
media.DurationElapsedEvent += new Media.DurationElapsedDelegate(media_DurationElapsedEvent);
return(media);
}
/// <summary>
/// Parse options for the media node
/// </summary>
/// <param name="mediaNode"></param>
/// <param name="nodeAttributes"></param>
private void ParseOptionsForMediaNode(XmlNode mediaNode, XmlAttributeCollection nodeAttributes)
{
// New version has a different schema - the right way to do it would be to pass the <options> and <raw> nodes to
// the relevant media class - however I dont feel like engineering such a change so the alternative is to
// parse all the possible media type nodes here.
// Type and Duration will always be on the media node
_options.type = nodeAttributes["type"].Value;
// Render as
if (nodeAttributes["render"] != null)
{
_options.render = nodeAttributes["render"].Value;
}
//TODO: Check the type of node we have, and make sure it is supported.
if (nodeAttributes["duration"].Value != "")
{
_options.duration = int.Parse(nodeAttributes["duration"].Value);
}
else
{
_options.duration = 60;
Trace.WriteLine("Duration is Empty, using a default of 60.", "Region - SetNextMediaNode");
}
// We cannot have a 0 duration here... not sure why we would... but
if (_options.duration == 0 && _options.type != "video" && _options.type != "localvideo")
{
int emptyLayoutDuration = int.Parse(ApplicationSettings.Default.EmptyLayoutDuration.ToString());
_options.duration = (emptyLayoutDuration == 0) ? 10 : emptyLayoutDuration;
}
// There will be some stuff on option nodes
XmlNode optionNode = mediaNode.SelectSingleNode("options");
// Track if an update interval has been provided in the XLF
bool updateIntervalProvided = false;
// Loop through each option node
foreach (XmlNode option in optionNode.ChildNodes)
{
if (option.Name == "direction")
{
_options.direction = option.InnerText;
}
else if (option.Name == "uri")
{
_options.uri = option.InnerText;
}
else if (option.Name == "copyright")
{
_options.copyrightNotice = option.InnerText;
}
else if (option.Name == "scrollSpeed")
{
try
{
_options.scrollSpeed = int.Parse(option.InnerText);
}
catch
{
System.Diagnostics.Trace.WriteLine("Non integer scrollSpeed in XLF", "Region - SetNextMediaNode");
}
}
else if (option.Name == "updateInterval")
{
updateIntervalProvided = true;
try
{
_options.updateInterval = int.Parse(option.InnerText);
}
catch
{
// Update interval not defined, so assume a high value
_options.updateInterval = 3600;
Trace.WriteLine("Non integer updateInterval in XLF", "Region - SetNextMediaNode");
}
}
// Add this to the options object
_options.Dictionary.Add(option.Name, option.InnerText);
}
// And some stuff on Raw nodes
XmlNode rawNode = mediaNode.SelectSingleNode("raw");
if (rawNode != null)
{
foreach (XmlNode raw in rawNode.ChildNodes)
{
if (raw.Name == "text")
{
_options.text = raw.InnerText;
}
else if (raw.Name == "template")
{
_options.documentTemplate = raw.InnerText;
}
else if (raw.Name == "embedHtml")
{
_options.text = raw.InnerText;
}
else if (raw.Name == "embedScript")
{
_options.javaScript = raw.InnerText;
}
}
}
// Audio Nodes?
XmlNode audio = mediaNode.SelectSingleNode("audio");
if (audio != null)
{
foreach (XmlNode audioNode in audio.ChildNodes)
{
RegionOptions options = new RegionOptions();
options.Dictionary = new MediaDictionary();
options.duration = 0;
options.uri = ApplicationSettings.Default.LibraryPath + @"\" + audioNode.InnerText;
if (audioNode.Attributes["loop"] != null)
{
options.Dictionary.Add("loop", audioNode.Attributes["loop"].Value);
if (options.Dictionary.Get("loop", 0) == 1)
{
// Set the media duration to be equal to the duration of the parent media
options.duration = (_options.duration == 0) ? int.MaxValue : _options.duration;
}
}
if (audioNode.Attributes["volume"] != null)
{
options.Dictionary.Add("volume", audioNode.Attributes["volume"].Value);
}
Media audioMedia = new Audio(options);
// Bind to the media complete event
audioMedia.DurationElapsedEvent += audio_DurationElapsedEvent;
_options.Audio.Add(audioMedia);
}
}
// Media Types without an update interval should have a sensible default (xibosignage/xibo#404)
// This means that items which do not provide an update interval will still refresh.
if (!updateIntervalProvided)
{
// Special handling for text/webpages because we know they should never have a default update interval applied
if (_options.type == "webpage" || _options.type == "text")
{
// Very high (will expire eventually, but shouldn't cause a routine request for a new resource
_options.updateInterval = int.MaxValue;
}
else
{
// Default to 5 minutes for those items that do not provide an update interval
_options.updateInterval = 5;
}
}
}
