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 DocumentThreadableLoader_h 32 #define DocumentThreadableLoader_h 33 34 #include "FrameLoaderTypes.h" 35 #include "SubresourceLoaderClient.h" 36 #include "ThreadableLoader.h" 37 #include <wtf/OwnPtr.h> 38 #include <wtf/PassRefPtr.h> 39 #include <wtf/RefCounted.h> 40 #include <wtf/RefPtr.h> 41 42 namespace WebCore { 43 class Document; 44 class KURL; 45 class ResourceRequest; 46 class ThreadableLoaderClient; 47 48 class DocumentThreadableLoader : public RefCounted<DocumentThreadableLoader>, public ThreadableLoader, private SubresourceLoaderClient { 49 public: 50 static void loadResourceSynchronously(Document*, const ResourceRequest&, ThreadableLoaderClient&, const ThreadableLoaderOptions&); 51 static PassRefPtr<DocumentThreadableLoader> create(Document*, ThreadableLoaderClient*, const ResourceRequest&, const ThreadableLoaderOptions&); 52 virtual ~DocumentThreadableLoader(); 53 54 virtual void cancel(); 55 56 using RefCounted<DocumentThreadableLoader>::ref; 57 using RefCounted<DocumentThreadableLoader>::deref; 58 59 protected: refThreadableLoader()60 virtual void refThreadableLoader() { ref(); } derefThreadableLoader()61 virtual void derefThreadableLoader() { deref(); } 62 63 private: 64 enum BlockingBehavior { 65 LoadSynchronously, 66 LoadAsynchronously 67 }; 68 69 DocumentThreadableLoader(Document*, ThreadableLoaderClient*, BlockingBehavior blockingBehavior, const ResourceRequest&, const ThreadableLoaderOptions& options); 70 71 virtual void willSendRequest(SubresourceLoader*, ResourceRequest&, const ResourceResponse& redirectResponse); 72 virtual void didSendData(SubresourceLoader*, unsigned long long bytesSent, unsigned long long totalBytesToBeSent); 73 74 virtual void didReceiveResponse(SubresourceLoader*, const ResourceResponse&); 75 virtual void didReceiveData(SubresourceLoader*, const char*, int lengthReceived); 76 virtual void didFinishLoading(SubresourceLoader*); 77 virtual void didFail(SubresourceLoader*, const ResourceError&); 78 79 virtual bool getShouldUseCredentialStorage(SubresourceLoader*, bool& shouldUseCredentialStorage); 80 virtual void didReceiveAuthenticationChallenge(SubresourceLoader*, const AuthenticationChallenge&); 81 virtual void receivedCancellation(SubresourceLoader*, const AuthenticationChallenge&); 82 83 void didFinishLoading(unsigned long identifier); 84 void makeSimpleCrossOriginAccessRequest(const ResourceRequest& request); 85 void makeCrossOriginAccessRequestWithPreflight(const ResourceRequest& request); 86 void preflightSuccess(); 87 void preflightFailure(); 88 89 void loadRequest(const ResourceRequest&, SecurityCheckPolicy); 90 bool isAllowedRedirect(const KURL&); 91 92 RefPtr<SubresourceLoader> m_loader; 93 ThreadableLoaderClient* m_client; 94 Document* m_document; 95 ThreadableLoaderOptions m_options; 96 bool m_sameOriginRequest; 97 bool m_async; 98 OwnPtr<ResourceRequest> m_actualRequest; // non-null during Access Control preflight checks 99 }; 100 101 } // namespace WebCore 102 103 #endif // DocumentThreadableLoader_h 104