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      1 /*
      2  * Copyright (C) 2009 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 ThreadableLoaderClientWrapper_h
     32 #define ThreadableLoaderClientWrapper_h
     33 
     34 #include "ThreadableLoaderClient.h"
     35 #include <wtf/Noncopyable.h>
     36 #include <wtf/PassRefPtr.h>
     37 #include <wtf/Threading.h>
     38 
     39 namespace WebCore {
     40 
     41 class ThreadableLoaderClientWrapper : public ThreadSafeRefCounted<ThreadableLoaderClientWrapper> {
     42 public:
     43     static PassRefPtr<ThreadableLoaderClientWrapper> create(ThreadableLoaderClient* client)
     44     {
     45         return adoptRef(new ThreadableLoaderClientWrapper(client));
     46     }
     47 
     48     void clearClient()
     49     {
     50         m_done = true;
     51         m_client = 0;
     52     }
     53 
     54     bool done() const
     55     {
     56         return m_done;
     57     }
     58 
     59     void didSendData(unsigned long long bytesSent, unsigned long long totalBytesToBeSent)
     60     {
     61         if (m_client)
     62             m_client->didSendData(bytesSent, totalBytesToBeSent);
     63     }
     64 
     65     void didReceiveResponse(const ResourceResponse& response)
     66     {
     67         if (m_client)
     68             m_client->didReceiveResponse(response);
     69     }
     70 
     71     void didReceiveData(const char* data, int dataLength)
     72     {
     73         if (m_client)
     74             m_client->didReceiveData(data, dataLength);
     75     }
     76 
     77     void didReceiveCachedMetadata(const char* data, int dataLength)
     78     {
     79         if (m_client)
     80             m_client->didReceiveCachedMetadata(data, dataLength);
     81     }
     82 
     83     void didFinishLoading(unsigned long identifier, double finishTime)
     84     {
     85         m_done = true;
     86         if (m_client)
     87             m_client->didFinishLoading(identifier, finishTime);
     88     }
     89 
     90     void didFail(const ResourceError& error)
     91     {
     92         m_done = true;
     93         if (m_client)
     94             m_client->didFail(error);
     95     }
     96 
     97     void didFailRedirectCheck()
     98     {
     99         m_done = true;
    100         if (m_client)
    101             m_client->didFailRedirectCheck();
    102     }
    103 
    104     void didReceiveAuthenticationCancellation(const ResourceResponse& response)
    105     {
    106         if (m_client)
    107             m_client->didReceiveResponse(response);
    108     }
    109 
    110 protected:
    111     ThreadableLoaderClientWrapper(ThreadableLoaderClient* client)
    112         : m_client(client)
    113         , m_done(false)
    114     {
    115     }
    116 
    117     ThreadableLoaderClient* m_client;
    118     bool m_done;
    119 };
    120 
    121 } // namespace WebCore
    122 
    123 #endif // ThreadableLoaderClientWrapper_h
    124