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      1 /*
      2  * Copyright (C) 2011 Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #ifndef ThreadableLoaderClient_h
     32 #define ThreadableLoaderClient_h
     33 
     34 #include "wtf/FastAllocBase.h"
     35 #include "wtf/Noncopyable.h"
     36 
     37 namespace WebCore {
     38 
     39     class ResourceError;
     40     class ResourceResponse;
     41 
     42     class ThreadableLoaderClient {
     43         WTF_MAKE_NONCOPYABLE(ThreadableLoaderClient); WTF_MAKE_FAST_ALLOCATED;
     44     public:
     45         virtual void didSendData(unsigned long long /*bytesSent*/, unsigned long long /*totalBytesToBeSent*/) { }
     46 
     47         virtual void didReceiveResponse(unsigned long /*identifier*/, const ResourceResponse&) { }
     48         virtual void didReceiveData(const char*, int /*dataLength*/) { }
     49         virtual void didReceiveCachedMetadata(const char*, int /*dataLength*/) { }
     50         virtual void didFinishLoading(unsigned long /*identifier*/, double /*finishTime*/) { }
     51         virtual void didFail(const ResourceError&) { }
     52         virtual void didFailAccessControlCheck(const ResourceError& error) { didFail(error); }
     53         virtual void didFailRedirectCheck() { }
     54 
     55         virtual bool isDocumentThreadableLoaderClient() { return false; }
     56 
     57         virtual void didDownloadData(int /*dataLength*/) { }
     58 
     59     protected:
     60         ThreadableLoaderClient() { }
     61         virtual ~ThreadableLoaderClient() { }
     62     };
     63 
     64 } // namespace WebCore
     65 
     66 #endif // ThreadableLoaderClient_h
     67