public override string GeneratePublishHtml(IPublishingContext publishingContext)
{
VideoContext context = new VideoContext(publishingContext);
StringBuilder html = new StringBuilder();
html.Append(GeneratePublishVideoHtml(context));
html.Append(GenerateMetadataHtml(false));
return(html.ToString());
}
private string GeneratePublishVideoHtml(VideoContext context)
{
//check for special cases--whitelist blog providers and such
string output;
if (VideoProviderManager.CheckForWhitelist(context.BlogProviderId, ProviderId, Id, HtmlSize, out output))
{
return(String.Format(CultureInfo.InvariantCulture, "<div>{0}</div>", output));
}
// generate 'smart' html based on the user's preference
AdaptiveHtmlObject adaptiveHtmlObject = new AdaptiveHtmlObject(VideoProvider.GenerateEmbedHtml(EmbedFormat, Id, HtmlSize), Url);
if (HtmlSize != VideoSnapshotSize)
{
adaptiveHtmlObject.PreviewImageSize = HtmlSize;
}
adaptiveHtmlObject.OpenPreviewInNewWindow = OpenInNewWindow;
HtmlType htmlType;
//determine player style
VideoPlayerStyle playerStyle = context.DetermineAppropriatePlayer(Url != String.Empty);
switch (playerStyle)
{
case VideoPlayerStyle.Automatic:
htmlType = HtmlType.AdaptiveHtml;
break;
case VideoPlayerStyle.PreviewWithLink:
htmlType = HtmlType.PreviewHtml;
break;
case VideoPlayerStyle.EmbeddedInPage:
htmlType = HtmlType.ObjectHtml;
break;
default:
Trace.Fail("Unexpected PlayerStyle: " + playerStyle.ToString());
htmlType = HtmlType.PreviewHtml;
break;
}
string path = GetSnapshotPathIfNeeded(htmlType, context);
if (!string.IsNullOrEmpty(path))
{
adaptiveHtmlObject.PreviewImageSrc = path;
}
else
{
htmlType = HtmlType.ObjectHtml;
}
return(adaptiveHtmlObject.GenerateHtml(htmlType));
}
private string GetSnapshotPathIfNeeded(HtmlType htmlType, VideoContext context)
{
// NOTE: We skip this behavior on IE9+ because of WinLive 589461.
if (htmlType == HtmlType.ObjectHtml || ApplicationEnvironment.BrowserVersion.Major >= 9)
{
return(null);
}
try
{
IHTMLElement element = context.GetElement(((IInternalContent)_content).Id);
if (element != null)
{
element = ((IHTMLDOMNode)element).firstChild as IHTMLElement;
}
if (element != null && (element is IViewObject))
{
Bitmap snapshot = HtmlScreenCaptureCore.TakeSnapshot((IViewObject)element, element.offsetWidth, element.offsetHeight);
UpdateVideoSnapshot(snapshot);
}
Uri uri = _content.Files.GetUri(_content.Properties.GetString(VIDEO_PUBLISH_IMAGE, String.Empty));
if (uri != null)
{
return(uri.ToString());
}
}
catch (Exception ex)
{
Trace.WriteLine("Failed to take video snapshot: " + ex);
}
return(null);
}
private string GeneratePublishVideoHtml(VideoContext context)
{
//check for special cases--whitelist blog providers and such
string output;
if (VideoProviderManager.CheckForWhitelist(context.BlogProviderId, ProviderId, Id, HtmlSize, out output))
{
return String.Format(CultureInfo.InvariantCulture, "<div>{0}</div>", output);
}
// generate 'smart' html based on the user's preference
AdaptiveHtmlObject adaptiveHtmlObject = new AdaptiveHtmlObject(VideoProvider.GenerateEmbedHtml(EmbedFormat, Id, HtmlSize), Url);
if (HtmlSize != VideoSnapshotSize)
adaptiveHtmlObject.PreviewImageSize = HtmlSize;
adaptiveHtmlObject.OpenPreviewInNewWindow = OpenInNewWindow;
HtmlType htmlType;
//determine player style
VideoPlayerStyle playerStyle = context.DetermineAppropriatePlayer(Url != String.Empty);
switch (playerStyle)
{
case VideoPlayerStyle.Automatic:
htmlType = HtmlType.AdaptiveHtml;
break;
case VideoPlayerStyle.PreviewWithLink:
htmlType = HtmlType.PreviewHtml;
break;
case VideoPlayerStyle.EmbeddedInPage:
htmlType = HtmlType.ObjectHtml;
break;
default:
Trace.Fail("Unexpected PlayerStyle: " + playerStyle.ToString());
htmlType = HtmlType.PreviewHtml;
break;
}
string path = GetSnapshotPathIfNeeded(htmlType, context);
if (!string.IsNullOrEmpty(path))
{
adaptiveHtmlObject.PreviewImageSrc = path;
}
else
{
htmlType = HtmlType.ObjectHtml;
}
return adaptiveHtmlObject.GenerateHtml(htmlType);
}
private string GetSnapshotPathIfNeeded(HtmlType htmlType, VideoContext context)
{
// NOTE: We skip this behavior on IE9+ because of WinLive 589461.
if (htmlType == HtmlType.ObjectHtml || ApplicationEnvironment.BrowserVersion.Major >= 9)
{
return null;
}
try
{
IHTMLElement element = context.GetElement(((IInternalContent)_content).Id);
if (element != null)
{
element = ((IHTMLDOMNode)element).firstChild as IHTMLElement;
}
if (element != null && (element is IViewObject))
{
Bitmap snapshot = HtmlScreenCaptureCore.TakeSnapshot((IViewObject)element, element.offsetWidth, element.offsetHeight);
UpdateVideoSnapshot(snapshot);
}
Uri uri = _content.Files.GetUri(_content.Properties.GetString(VIDEO_PUBLISH_IMAGE, String.Empty));
if (uri != null)
return uri.ToString();
}
catch (Exception ex)
{
Trace.WriteLine("Failed to take video snapshot: " + ex);
}
return null;
}
public override string GeneratePublishHtml(IPublishingContext publishingContext)
{
VideoContext context = new VideoContext(publishingContext);
StringBuilder html = new StringBuilder();
html.Append(GeneratePublishVideoHtml(context));
html.Append(GenerateMetadataHtml(false));
return html.ToString();
}
