--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/loader/SubresourceLoaderClient.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2006 Apple Computer, 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.
+ */
+
+#ifndef SubresourceLoaderClient_h
+#define SubresourceLoaderClient_h
+
+namespace WebCore {
+
+class AuthenticationChallenge;
+class ResourceError;
+class ResourceRequest;
+class ResourceResponse;
+class SubresourceLoader;
+    
+class SubresourceLoaderClient {
+public:
+    virtual ~SubresourceLoaderClient() { } 
+
+    // request may be modified
+    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 didReceiveCachedMetadata(SubresourceLoader*, const char*, int /*lengthReceived*/) { }
+    virtual void didFinishLoading(SubresourceLoader*) { }
+    virtual void didFail(SubresourceLoader*, const ResourceError&) { }
+    
+    virtual bool getShouldUseCredentialStorage(SubresourceLoader*, bool& /*shouldUseCredentialStorage*/) { return false; }
+    virtual void didReceiveAuthenticationChallenge(SubresourceLoader*, const AuthenticationChallenge&) { }
+    virtual void receivedCancellation(SubresourceLoader*, const AuthenticationChallenge&) { }
+
+};
+
+} // namespace WebCore
+
+#endif // SubresourceLoaderClient_h