/// <summary>
/// Override for Make File Substitutions
/// For CEF we set Background to Transparent
/// </summary>
/// <param name="cachedFile"></param>
/// <returns></returns>
protected override string MakeHtmlSubstitutions(string cachedFile)
{
// Check to see if the document already has a background-color, and if it does, leave it alone.
string html = cachedFile;
if (!this.hasBackgroundColor)
{
html = cachedFile.Replace("</head>", "<!--START_STYLE_ADJUST--><style type='text/css'>body { background: transparent; }</style><!--END_STYLE_ADJUST--></head>");
}
html = html.Replace("[[ViewPortWidth]]", WidthIntended.ToString());
html += "<!--VIEWPORT=" + WidthIntended.ToString() + "x" + HeightIntended.ToString() + "-->";
html += "<!--CACHEDATE=" + DateTime.Now.ToString() + "-->";
return(html);
}
/// <summary>
/// Override for Make File Substitutions
/// For CEF we set Background to Transparent
/// </summary>
/// <param name="cachedFile"></param>
/// <returns></returns>
protected override string MakeHtmlSubstitutions(string cachedFile)
{
// Handle the background
String bodyStyle;
if (this.backgroundImage == null || this.backgroundImage == "")
{
bodyStyle = "background-color:" + backgroundColor + " ;";
}
else
{
bodyStyle = "background-image: url('" + this.backgroundImage + "'); background-attachment:fixed; background-color:" + this.backgroundColor + "; background-repeat: no-repeat; background-position: " + this.backgroundLeft + "px " + this.backgroundTop + "px;";
}
string html = cachedFile.Replace("</head>", "<!--START_STYLE_ADJUST--><style type='text/css'>body {" + bodyStyle + " }</style><!--END_STYLE_ADJUST--></head>");
html = html.Replace("[[ViewPortWidth]]", WidthIntended.ToString());
html += "<!--VIEWPORT=" + WidthIntended.ToString() + "x" + HeightIntended.ToString() + "-->";
html += "<!--CACHEDATE=" + DateTime.Now.ToString() + "-->";
return(html);
}
/// <summary>
/// Updates the Cache File with the necessary client side injected items
/// </summary>
private void UpdateCacheIfNecessary()
{
// Ammend the resource file so that we can open it directly from the library (this is better than using a tempoary file)
string cachedFile = "";
using (FileStream fileStream = File.Open(_filePath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
{
using (StreamReader reader = new StreamReader(fileStream))
{
cachedFile = reader.ReadToEnd();
}
}
// Compare the cached dimensions in the file with the dimensions now, and
// regenerate if they are different.
if (cachedFile.Contains("[[ViewPortWidth]]") || !ReadCachedViewPort(cachedFile).Equals(WidthIntended.ToString() + "x" + HeightIntended.ToString()))
{
// Regex out the existing replacement if present
cachedFile = Regex.Replace(cachedFile, "<!--START_STYLE_ADJUST-->(.*)<!--END_STYLE_ADJUST-->", "");
cachedFile = Regex.Replace(cachedFile, "<meta name=\"viewport\" content=\"width=(.*)\" />", "<meta name=\"viewport\" content=\"width=[[ViewPortWidth]]\" />");
cachedFile = Regex.Replace(cachedFile, "<!--VIEWPORT=(.*)-->", "");
cachedFile = Regex.Replace(cachedFile, "<!--CACHEDATE=(.*)-->", "");
/// File should be back to its original form, ready to run through the subs again
string html = MakeHtmlSubstitutions(cachedFile);
// Write to the library
using (FileStream fileStream = File.Open(_filePath, FileMode.Create, FileAccess.Write, FileShare.Read))
{
using (StreamWriter sw = new StreamWriter(fileStream))
{
sw.Write(html);
sw.Close();
}
}
}
}
