--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/loader/DocumentThreadableLoader.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,104 @@
+/*
+ * Copyright (C) 2009 Google 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:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * 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.
+ *     * Neither the name of Google Inc. 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
+ * OWNER OR 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.
+ */
+
+#ifndef DocumentThreadableLoader_h
+#define DocumentThreadableLoader_h
+
+#include "FrameLoaderTypes.h"
+#include "SubresourceLoaderClient.h"
+#include "ThreadableLoader.h"
+#include <wtf/OwnPtr.h>
+#include <wtf/PassRefPtr.h>
+#include <wtf/RefCounted.h>
+#include <wtf/RefPtr.h>
+
+namespace WebCore {
+    class Document;
+    class KURL;
+    class ResourceRequest;
+    class String;
+    class ThreadableLoaderClient;
+
+    class DocumentThreadableLoader : public RefCounted<DocumentThreadableLoader>, public ThreadableLoader, private SubresourceLoaderClient  {
+    public:
+        static void loadResourceSynchronously(Document*, const ResourceRequest&, ThreadableLoaderClient&, const ThreadableLoaderOptions&);
+        static PassRefPtr<DocumentThreadableLoader> create(Document*, ThreadableLoaderClient*, const ResourceRequest&, const ThreadableLoaderOptions&);
+        virtual ~DocumentThreadableLoader();
+
+        virtual void cancel();
+
+        using RefCounted<DocumentThreadableLoader>::ref;
+        using RefCounted<DocumentThreadableLoader>::deref;
+
+    protected:
+        virtual void refThreadableLoader() { ref(); }
+        virtual void derefThreadableLoader() { deref(); }
+
+    private:
+        enum BlockingBehavior {
+            LoadSynchronously,
+            LoadAsynchronously
+        };
+
+        DocumentThreadableLoader(Document*, ThreadableLoaderClient*, BlockingBehavior blockingBehavior, const ResourceRequest&, const ThreadableLoaderOptions& options);
+
+        virtual void willSendRequest(SubresourceLoader*, ResourceRequest&, const ResourceResponse& redirectResponse);
+        virtual void didSendData(SubresourceLoader*, unsigned long long bytesSent, unsigned long long totalBytesToBeSent);
+
+        virtual void didReceiveResponse(SubresourceLoader*, const ResourceResponse&);
+        virtual void didReceiveData(SubresourceLoader*, const char*, int lengthReceived);
+        virtual void didFinishLoading(SubresourceLoader*);
+        virtual void didFail(SubresourceLoader*, const ResourceError&);
+
+        virtual bool getShouldUseCredentialStorage(SubresourceLoader*, bool& shouldUseCredentialStorage);
+        virtual void didReceiveAuthenticationChallenge(SubresourceLoader*, const AuthenticationChallenge&);
+        virtual void receivedCancellation(SubresourceLoader*, const AuthenticationChallenge&);
+
+        void didFinishLoading(unsigned long identifier);
+        void makeSimpleCrossOriginAccessRequest(const ResourceRequest& request);
+        void makeCrossOriginAccessRequestWithPreflight(const ResourceRequest& request);
+        void preflightSuccess();
+        void preflightFailure(const String& url, const String& errorDescription);
+
+        void loadRequest(const ResourceRequest&, SecurityCheckPolicy);
+        bool isAllowedRedirect(const KURL&);
+
+        RefPtr<SubresourceLoader> m_loader;
+        ThreadableLoaderClient* m_client;
+        Document* m_document;
+        ThreadableLoaderOptions m_options;
+        bool m_sameOriginRequest;
+        bool m_async;
+        OwnPtr<ResourceRequest> m_actualRequest;  // non-null during Access Control preflight checks
+    };
+
+} // namespace WebCore
+
+#endif // DocumentThreadableLoader_h