Added SchemeHandlerResponse.ContentLength.

Author: provegard

CefSharp/SchemeHandlerResponse.h

@@ -36,13 +36,21 @@ namespace CefSharp
         /// </summary>
         property int StatusCode;
 
+        /// <summary>
+        /// The length of the response contents. Defaults to -1, which means unknown length
+        /// and causes CefSharp to read the response stream in pieces. Thus, setting a length
+        /// is optional but allows for more optimal response reading.
+        /// </summary>
+        property int ContentLength;
+
         /// <summary>
         /// URL to redirect to (leave empty to not redirect).
         /// </summary>
         property String^ RedirectUrl;
 
         SchemeHandlerResponse(SchemeHandlerWrapper* schemeHandlerWrapper)
         {
+            ContentLength = -1;
             _schemeHandlerWrapper = new CefRefPtr<SchemeHandlerWrapper>(schemeHandlerWrapper);
         }
 

CefSharp/SchemeHandlerWrapper.cpp

@@ -60,6 +60,7 @@ namespace CefSharp
         _stream = response->ResponseStream;
         _statusCode = response->StatusCode;
         _redirectUrl = toNative(response->RedirectUrl);
+        _contentLength = response->ContentLength;
 
         _headers = ToHeaderMap(response->ResponseHeaders);
 
@@ -75,7 +76,14 @@ namespace CefSharp
         response->SetMimeType(_mime_type);
         response->SetStatus(_statusCode > 0 ? _statusCode : 200);
         response->SetHeaderMap(_headers);
-        response_length = SizeFromStream();
+        if (_contentLength >= 0)
+        {
+            response_length = _contentLength;
+        }
+        else
+        {
+            response_length = SizeFromStream();
+        }
         redirectUrl = _redirectUrl;
     }
 

CefSharp/SchemeHandlerWrapper.h

@@ -26,6 +26,7 @@ namespace CefSharp
         CefRefPtr<CefCallback> _callback;
         int _statusCode;
         CefString _redirectUrl;
+        int _contentLength;
 
         int SizeFromStream();