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1 /*
2  * Copyright (C) 2005, 2006, 2009 Apple 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
6  * are met:
7  *
8  * 1.  Redistributions of source code must retain the above copyright
9  *     notice, this list of conditions and the following disclaimer.
10  * 2.  Redistributions in binary form must reproduce the above copyright
11  *     notice, this list of conditions and the following disclaimer in the
12  *     documentation and/or other materials provided with the distribution.
13  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
14  *     its contributors may be used to endorse or promote products derived
15  *     from this software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #ifndef SubresourceLoader_h
30 #define SubresourceLoader_h
31 
32 #include "FrameLoaderTypes.h"
33 #include "ResourceLoader.h"
34 
35 #include <wtf/text/WTFString.h>
36 
37 namespace WebCore {
38 
39     class ResourceRequest;
40     class SubresourceLoaderClient;
41 
42     class SubresourceLoader : public ResourceLoader {
43     public:
44         static PassRefPtr<SubresourceLoader> create(Frame*, SubresourceLoaderClient*, const ResourceRequest&, SecurityCheckPolicy = DoSecurityCheck, bool sendResourceLoadCallbacks = true, bool shouldContentSniff = true, const String& optionalOutgoingReferrer = String(), bool shouldBufferData = true);
45 
clearClient()46         void clearClient() { m_client = 0; }
47 
48     private:
49         SubresourceLoader(Frame*, SubresourceLoaderClient*, bool sendResourceLoadCallbacks, bool shouldContentSniff);
50         virtual ~SubresourceLoader();
51 
52         virtual void willSendRequest(ResourceRequest&, const ResourceResponse& redirectResponse);
53         virtual void didSendData(unsigned long long bytesSent, unsigned long long totalBytesToBeSent);
54         virtual void didReceiveResponse(const ResourceResponse&);
55         virtual void didReceiveData(const char*, int, long long encodedDataLength, bool allAtOnce);
56         virtual void didReceiveCachedMetadata(const char*, int);
57         virtual void didFinishLoading(double finishTime);
58         virtual void didFail(const ResourceError&);
59         virtual bool shouldUseCredentialStorage();
60         virtual void didReceiveAuthenticationChallenge(const AuthenticationChallenge&);
61         virtual void receivedCancellation(const AuthenticationChallenge&);
62         virtual void didCancel(const ResourceError&);
63 
64 #if HAVE(CFNETWORK_DATA_ARRAY_CALLBACK)
supportsDataArray()65         virtual bool supportsDataArray() { return true; }
66         virtual void didReceiveDataArray(CFArrayRef);
67 #endif
68 
69         SubresourceLoaderClient* m_client;
70         bool m_loadingMultipartContent;
71     };
72 
73 }
74 
75 #endif // SubresourceLoader_h
76