/// <summary>
/// Check tt element validity
/// </summary>
protected override void ValidElements()
{
bool isValid = true;
// we need an extra check to validate the root attributes in order
// to ensure parameters are parsed.
ValidAttributes();
#region check this elements model
switch (Children.Count)
{
case 0:
return;
case 1:
{
#region test if child element is head or body
if (Children[0] is HeadElement)
{
m_head = Children[0] as HeadElement;
isValid = true;
}
else if (Children[0] is BodyElement)
{
m_body = Children[0] as BodyElement;
m_head = new HeadElement();
Children.Clear();
Children.Add(m_head);
Children.Add(m_body);
isValid = true;
}
else
{
isValid = false;
}
#endregion
}
break;
case 2:
{
#region Check first child is head, and second is body
if (Children[0] is HeadElement)
{
m_head = Children[0] as HeadElement;
}
if (Children[1] is BodyElement)
{
m_body = Children[1] as BodyElement;
}
else
{
isValid = (m_body != null && m_head != null);
}
#endregion
}
break;
default:
{
#region Cannot be valid
isValid = false;
#endregion
}
break;
}
#endregion
if (!isValid)
{
Error("erroneous child in " + this.ToString());
}
#region now check each of the children is individually valid
foreach (TimedTextElementBase element in Children)
{
element.Valid();
}
#endregion
#region Add default region if none was specified
if (isValid && Regions.Count < 1)
{
LayoutElement defaultLayout = new LayoutElement();
defaultLayout.LocalName = "layout";
defaultLayout.Namespace = m_head.Namespace;
m_head.Children.Add(defaultLayout);
defaultLayout.Parent = m_head;
RegionElement defaultRegion = new RegionElement();
defaultRegion.SetLocalStyle("backgroundColor", "black");
defaultRegion.SetLocalStyle("color", "white");
defaultLayout.Children.Add(defaultRegion);
defaultRegion.Parent = defaultLayout;
defaultRegion.Id = RegionElement.DefaultRegionName;
Root.Regions[defaultRegion.Id] = defaultRegion;
}
#endregion
}
private static TimedTextElement BuildTimedTextElements(TimedTextElementBase element, RegionElement region)
{
TimedTextElement timedTextElement = CreateTimedTextElement(element, region);
foreach (TimedTextElementBase c in element.Children)
{
TimedTextElement child = BuildTimedTextElements(c, region);
if (child is TimedTextAnimation)
{
#if HACK_XAMLTYPEINFO
var children = timedTextElement.Animations as MediaMarkerCollection<TimedTextAnimation>;
#else
var children = timedTextElement.Animations;
#endif
children.Add((TimedTextAnimation)child);
}
else if (timedTextElement is CaptionElement && child is CaptionElement)
{
#if HACK_XAMLTYPEINFO
var children = timedTextElement.Children as MediaMarkerCollection<TimedTextElement>;
#else
var children = timedTextElement.Children;
#endif
((CaptionElement)child).Index = children.Count;
children.Add((CaptionElement)child);
}
}
return timedTextElement;
}
private static TimedTextElement CreateTimedTextElement(TimedTextElementBase element, RegionElement region)
{
var captionElement = element is SetElement
? (TimedTextElement)BuildCaptionAnimationElement(element)
: new CaptionElement();
var endTime = element.End.TotalSeconds >= TimeSpan.MaxValue.TotalSeconds
? TimeSpan.MaxValue
: TimeSpan.FromSeconds(element.End.TotalSeconds);
captionElement.End = endTime;
captionElement.Begin = TimeSpan.FromSeconds(element.Begin.TotalSeconds);
if (element is BrElement)
{
captionElement.CaptionElementType = TimedTextElementType.LineBreak;
}
else if (element is AnonymousSpanElement)
{
var span = element as AnonymousSpanElement;
captionElement.CaptionElementType = TimedTextElementType.Text;
captionElement.Content = HttpUtility.HtmlDecode(span.Text);
captionElement.Style = TimedTextStyleParser.MapStyle(element, region);
}
else if (!(element is SetElement))
{
captionElement.CaptionElementType = TimedTextElementType.Container;
captionElement.Style = TimedTextStyleParser.MapStyle(element, region);
}
return captionElement;
}
private static CaptionElement MapToCaption(PElement pElement, RegionElement region)
{
var captionElement = BuildTimedTextElements(pElement, region);
captionElement.Id = pElement.Id ?? Guid.NewGuid().ToString();
return captionElement as CaptionElement;
}
private static CaptionRegion MapToCaptionRegion(RegionElement regionElement)
{
var endTime = regionElement.End.TotalSeconds >= TimeSpan.MaxValue.TotalSeconds
? TimeSpan.MaxValue
: TimeSpan.FromSeconds(regionElement.End.TotalSeconds);
var captionRegion = new CaptionRegion
{
Id = regionElement.Id,
Begin = TimeSpan.FromSeconds(regionElement.Begin.TotalSeconds),
End = endTime,
Style = TimedTextStyleParser.MapStyle(regionElement, null),
TunneledData = regionElement.Root.Images.ToDictionary(ie => ie.Key, ie => new TunneledData() { Data = ie.Value.Data, Encoding = ie.Value.Encoding, MimeType = ie.Value.ImageType })
};
foreach (TimedTextElementBase element in regionElement.Children)
{
TimedTextElement child = BuildTimedTextElements(element, null);
if (child != null && child.CaptionElementType == TimedTextElementType.Animation)
{
#if HACK_XAMLTYPEINFO
var children = captionRegion.Animations as MediaMarkerCollection<TimedTextAnimation>;
#else
var children = captionRegion.Animations;
#endif
children.Add(child as TimedTextAnimation);
}
}
return captionRegion;
}
private static TimedTextElement BuildTimedTextElements(TimedTextElementBase element, RegionElement region)
{
TimedTextElement timedTextElement = CreateTimedTextElement(element, region);
foreach (TimedTextElementBase c in element.Children)
{
TimedTextElement child = BuildTimedTextElements(c, region);
if (child is TimedTextAnimation)
{
timedTextElement.Animations.Add((TimedTextAnimation)child);
}
else if (timedTextElement is CaptionElement && child is CaptionElement)
{
((CaptionElement)child).Index = timedTextElement.Children.Count;
timedTextElement.Children.Add((CaptionElement)child);
}
}
return timedTextElement;
}
private static CaptionRegion MapToCaptionRegion(RegionElement regionElement)
{
var endTime = regionElement.End.TotalSeconds >= TimeSpan.MaxValue.TotalSeconds
? TimeSpan.MaxValue
: TimeSpan.FromSeconds(regionElement.End.TotalSeconds);
var captionRegion = new CaptionRegion
{
Id = regionElement.Id,
Begin = TimeSpan.FromSeconds(regionElement.Begin.TotalSeconds),
End = endTime,
Style = TimedTextStyleParser.MapStyle(regionElement, null)
};
foreach (TimedTextElementBase element in regionElement.Children)
{
TimedTextElement child = BuildTimedTextElements(element, null);
if (child != null && child.CaptionElementType == TimedTextElementType.Animation)
{
captionRegion.Animations.Add(child as TimedTextAnimation);
}
}
return captionRegion;
}
/// <summary>
/// Check tt element validity
/// </summary>
protected override void ValidElements()
{
bool isValid = true;
// we need an extra check to validate the root attributes in order
// to ensure parameters are parsed.
ValidAttributes();
#region check this elements model
switch (Children.Count)
{
case 0:
return;
case 1:
{
#region test if child element is head or body
if (Children[0] is HeadElement)
{
m_head = Children[0] as HeadElement;
isValid = true;
}
else if (Children[0] is BodyElement)
{
m_body = Children[0] as BodyElement;
m_head = new HeadElement();
Children.Clear();
Children.Add(m_head);
Children.Add(m_body);
isValid = true;
}
else
{
isValid = false;
}
#endregion
}
break;
case 2:
{
#region Check first child is head, and second is body
if (Children[0] is HeadElement)
{
m_head = Children[0] as HeadElement;
}
if (Children[1] is BodyElement)
{
m_body = Children[1] as BodyElement;
}
else
{
isValid = (m_body != null && m_head != null);
}
#endregion
}
break;
default:
{
#region Cannot be valid
isValid = false;
#endregion
}
break;
}
#endregion
if (!isValid)
{
Error("erroneous child in " + this.ToString());
}
#region now check each of the children is individually valid
foreach (TimedTextElementBase element in Children)
{
element.Valid();
}
#endregion
#region Add default region if none was specified
if (isValid && Regions.Count < 1)
{
LayoutElement defaultLayout = new LayoutElement();
defaultLayout.LocalName = "layout";
defaultLayout.Namespace = m_head.Namespace;
m_head.Children.Add(defaultLayout);
defaultLayout.Parent = m_head;
RegionElement defaultRegion = new RegionElement();
defaultRegion.SetLocalStyle("backgroundColor", "black");
defaultRegion.SetLocalStyle("color", "white");
defaultLayout.Children.Add(defaultRegion);
defaultRegion.Parent = defaultLayout;
defaultRegion.Id = RegionElement.DefaultRegionName;
Root.Regions[defaultRegion.Id] = defaultRegion;
}
#endregion
}
