webengine/osswebengine/WebCore/platform/network/symbian/UnknownContentHandler.cpp
changeset 0 dd21522fd290
child 8 7c90e6132015
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/osswebengine/WebCore/platform/network/symbian/UnknownContentHandler.cpp	Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,123 @@
+/*
+ * Copyright (C) 2008 Nokia, Inc.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer. 
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution. 
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+
+#include "UnknownContentHandler.h"
+#include "HttpConnection.h"
+#include "PlatformString.h"
+#include <Uri8.h>
+#include <apgcli.h>
+using namespace WebCore;
+
+
+UnknownContentHandler::UnknownContentHandler(HttpConnection* connection)
+{
+    m_connection = connection;
+    m_response = NULL;
+}
+
+UnknownContentHandler::~UnknownContentHandler()
+{
+    delete m_response;
+}
+
+UnknownContentHandler* UnknownContentHandler::NewL(HttpConnection* connection, WebCore::ResourceResponse& response)
+{
+    UnknownContentHandler* self = NULL;
+    self = new(ELeave) UnknownContentHandler(connection);
+    CleanupStack::PushL(self);
+    self->ConstructL(response);
+    CleanupStack::Pop(self);
+    return self;
+}
+
+bool UnknownContentHandler::isUnknownContent(ResourceResponse& response)
+{
+    const String& mimeType = response.mimeType();
+    const KURL& url = response.url();
+
+    if( equalIgnoringCase(mimeType, "application/octet-stream")) {
+        TUriParser8 parser;
+        if( parser.Parse(url.des()) == KErrNone ) {
+            TPtrC8 path = parser.Extract( EUriPath );
+            int length = path.Length();
+            if( length > 4 ) {
+                if (path.Find(_L8(".html")) != KErrNotFound || path.Find(_L8(".htm")) != KErrNotFound) {
+                    response.setMimeType("text/html");
+                    return false; // good chance of being html content
+                }
+                if (path.Find(_L8(".xhtml")) != KErrNotFound ) {
+                    response.setMimeType("application/xhtml+xml");
+                    return false; // good chance of being xhtml content
+                }
+                if (path.Find(_L8(".wml")) != KErrNotFound) {
+                    response.setMimeType("text/vnd.wap.wml");
+                    return false; // good chance of being wml content
+                }
+            }
+        }
+        return true; // could be html
+    }
+    return false;
+}
+
+
+void UnknownContentHandler::updateContentTypeL(TPtrC8& chunkPtr)
+{
+    RApaLsSession apaSession;
+    TInt ret;
+    User::LeaveIfError( apaSession.Connect() );
+    TDataRecognitionResult dataType;
+    ret = apaSession.RecognizeData( KNullDesC, chunkPtr, dataType );
+    apaSession.Close();
+    
+    if( ret == KErrNone &&
+      ( dataType.iConfidence == CApaDataRecognizerType::ECertain ) ||
+      ( dataType.iConfidence == CApaDataRecognizerType::EProbable ) ) {       
+        // "text/plain" shouldn't be treated as a strong type
+        if (dataType.iDataType.Des8().FindF(_L8("text/plain")) == KErrNotFound) {
+            m_response->setMimeType(dataType.iDataType.Des8());
+        }
+    }
+}
+
+ResourceResponse* UnknownContentHandler::handOffResponse()
+{
+    ResourceResponse* response = m_response;
+    m_response = NULL;
+    return response;
+}
+
+void UnknownContentHandler::ConstructL(ResourceResponse& response)
+{
+    m_response = new(ELeave) ResourceResponse(response.url(), response.mimeType(), response.expectedContentLength(), response.textEncodingName(), response.suggestedFilename());
+
+}
+
+
+// end of file