private void _browser_OnBeforeResourceLoad(object sender, BeforeResourceLoadEventArgs e)
{
if (e.ResourceType == ResourceType.Image)
{
e.CacheToQueue = true;
}
}
internal byte[] DownloadHttpData(string rawurl, Interop.IInternetProtocolSink pSink)
{
BeforeResourceLoadEventArgs args = new BeforeResourceLoadEventArgs(rawurl);
editor.OnBeforeResourceLoad(args);
if (!args.Cancel)
{
try
{
this.url = args.Url;
if (args.ResourceStream == null)
{
mre = new ManualResetEvent(false);
int timeOut = Convert.ToInt32(args.TimeOut.TotalMilliseconds);
SendRequest(timeOut);
mre.WaitOne(timeOut, true);
}
else
{
args.ResourceStream.Seek(0, SeekOrigin.Begin);
s = new byte[args.ResourceStream.Length];
args.ResourceStream.Read(s, 0, s.Length);
}
return(s);
}
catch (WebException wex)
{
editor.OnWebException(wex, ref this.url);
System.Diagnostics.Debug.WriteLine(wex.Message);
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
}
}
return(null);
}
/// <summary>
/// Called during the start of any load sequence. If the caller does not provide a valid source, such
/// as an empty string, a standard HTML code block will created.
/// </summary>
/// <param name="szUrl">Complete URL to download from, including pluggable protocol.</param>
/// <param name="protocolSink">The IInternetProtocolSink interface, to which the loader communicates.</param>
/// <returns>0 in case of success</returns>
public byte[] Start(string szUrl, Interop.IInternetProtocolSink protocolSink) //, Interop.IInternetBindInfo bindInfo, uint grfPI, uint dwReserved)
{
_length = 0;
szUrl = GetLocalPath(szUrl);
string mimeType;
_index = 0;
if (!htmlEditor.IsFileBasedDocument)
{
throw new ApplicationException("Improper Call To File Loader");
}
else
{
BeforeResourceLoadEventArgs args = new BeforeResourceLoadEventArgs(szUrl);
htmlEditor.OnBeforeResourceLoad(args);
if (!args.Cancel)
{
bool hasStream = false;
if (args.ResourceStream != null)
{
hasStream = true;
}
if (!Directory.Exists(Path.GetDirectoryName(szUrl)) || !File.Exists(szUrl) && !hasStream)
{
_data = ContentEncoding.GetBytes(String.Concat("File not found: ", szUrl));
_length = (uint)_data.Length;
}
else
{
// call handler and look if the resource should be changed
Stream fs;
if (hasStream)
{
fs = args.ResourceStream;
fs.Seek(0, SeekOrigin.Begin);
}
else
{
fs = new FileStream(szUrl, FileMode.Open);
}
_data = (byte[])Array.CreateInstance(typeof(byte), (int)fs.Length);
_length = (uint)fs.Read(_data, _index, (int)fs.Length);
fs.Close();
if (htmlEditor.CanBuildMht)
{
# region MHT Builder Only
if (!this.baseDocumentLoaded || mht == null)
{
mht = new MhtBuilder(szUrl);
mht.AddQuotedString(System.Text.Encoding.GetEncoding(ContentEncoding.WebName).GetString(_data), true);
baseDocumentLoaded = true;
}
else
{
mht.AppendBoundary();
mht.AppendText(String.Format("Content-Type: {0}", GetMIMEType(szUrl, _data, _length)), true);
mht.AppendText("Content-Transfer-Encoding: base64", true);
if (htmlEditor.BaseUrl != null)
{
string str = Path.GetDirectoryName(htmlEditor.BaseUrl);
str += str.EndsWith("\\") ? String.Empty : Path.DirectorySeparatorChar.ToString();
if (str != null && str.Length > 0)
{
Uri uri1 = new Uri(str);
Uri uri2 = new Uri(szUrl);
str = uri1.MakeRelative(uri2);
}
else
{
str = szUrl;
}
mht.AppendText(String.Format("Content-Location: {0}", str), true);
mht.AppendNewLine();
mht.AppendChunkBase64(_data, 76);
}
}
mht.AppendNewLine();
mht.AppendNewLine();
// Set the current state to the main control
this.htmlEditor.MhtBuilder = mht.GetStringBuilder();
# endregion
}
}
}