Home | History | Annotate | Download | only in loader 
      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 "core/loader/ThreadableLoaderClient.h"
     35 #include "wtf/Noncopyable.h"
     36 #include "wtf/PassRefPtr.h"
     37 #include "wtf/ThreadSafeRefCounted.h"
     38 #include "wtf/Threading.h"
     39 
     40 namespace WebCore {
     41 
     42 class ThreadableLoaderClientWrapper : public ThreadSafeRefCounted<ThreadableLoaderClientWrapper> {
     43 public:
     44     static PassRefPtr<ThreadableLoaderClientWrapper> create(ThreadableLoaderClient* client)
     45     {
     46         return adoptRef(new ThreadableLoaderClientWrapper(client));
     47     }
     48 
     49     void clearClient()
     50     {
     51         m_done = true;
     52         m_client = 0;
     53     }
     54 
     55     bool done() const
     56     {
     57         return m_done;
     58     }
     59 
     60     void didSendData(unsigned long long bytesSent, unsigned long long totalBytesToBeSent)
     61     {
     62         if (m_client)
     63             m_client->didSendData(bytesSent, totalBytesToBeSent);
     64     }
     65 
     66     void didReceiveResponse(unsigned long identifier, const ResourceResponse& response)
     67     {
     68         if (m_client)
     69             m_client->didReceiveResponse(identifier, response);
     70     }
     71 
     72     void didReceiveData(const char* data, int dataLength)
     73     {
     74         if (m_client)
     75             m_client->didReceiveData(data, dataLength);
     76     }
     77 
     78     void didReceiveCachedMetadata(const char* data, int dataLength)
     79     {
     80         if (m_client)
     81             m_client->didReceiveCachedMetadata(data, dataLength);
     82     }
     83 
     84     void didFinishLoading(unsigned long identifier, double finishTime)
     85     {
     86         m_done = true;
     87         if (m_client)
     88             m_client->didFinishLoading(identifier, finishTime);
     89     }
     90 
     91     void didFail(const ResourceError& error)
     92     {
     93         m_done = true;
     94         if (m_client)
     95             m_client->didFail(error);
     96     }
     97 
     98     void didFailAccessControlCheck(const ResourceError& error)
     99     {
    100         m_done = true;
    101         if (m_client)
    102             m_client->didFailAccessControlCheck(error);
    103     }
    104 
    105     void didFailRedirectCheck()
    106     {
    107         m_done = true;
    108         if (m_client)
    109             m_client->didFailRedirectCheck();
    110     }
    111 
    112     void didReceiveAuthenticationCancellation(unsigned long identifier, const ResourceResponse& response)
    113     {
    114         if (m_client)
    115             m_client->didReceiveResponse(identifier, response);
    116     }
    117 
    118     void didDownloadData(int dataLength)
    119     {
    120         if (m_client)
    121             m_client->didDownloadData(dataLength);
    122     }
    123 
    124 protected:
    125     explicit ThreadableLoaderClientWrapper(ThreadableLoaderClient* client)
    126         : m_client(client)
    127         , m_done(false)
    128     {
    129     }
    130 
    131     ThreadableLoaderClient* m_client;
    132     bool m_done;
    133 };
    134 
    135 } // namespace WebCore
    136 
    137 #endif // ThreadableLoaderClientWrapper_h
    138