1 /* 2 * Copyright (C) 2006 Apple Computer, 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 #include "config.h" 30 #include "NetscapePlugInStreamLoader.h" 31 32 #include "FrameLoader.h" 33 #include "DocumentLoader.h" 34 35 namespace WebCore { 36 37 NetscapePlugInStreamLoader::NetscapePlugInStreamLoader(Frame* frame, NetscapePlugInStreamLoaderClient* client) 38 : ResourceLoader(frame, true, true) 39 , m_client(client) 40 { 41 } 42 43 NetscapePlugInStreamLoader::~NetscapePlugInStreamLoader() 44 { 45 } 46 47 PassRefPtr<NetscapePlugInStreamLoader> NetscapePlugInStreamLoader::create(Frame* frame, NetscapePlugInStreamLoaderClient* client, const ResourceRequest& request) 48 { 49 RefPtr<NetscapePlugInStreamLoader> loader(adoptRef(new NetscapePlugInStreamLoader(frame, client))); 50 loader->setShouldBufferData(false); 51 loader->documentLoader()->addPlugInStreamLoader(loader.get()); 52 if (!loader->init(request)) 53 return 0; 54 55 return loader.release(); 56 } 57 58 bool NetscapePlugInStreamLoader::isDone() const 59 { 60 return !m_client; 61 } 62 63 void NetscapePlugInStreamLoader::releaseResources() 64 { 65 m_client = 0; 66 ResourceLoader::releaseResources(); 67 } 68 69 void NetscapePlugInStreamLoader::didReceiveResponse(const ResourceResponse& response) 70 { 71 RefPtr<NetscapePlugInStreamLoader> protect(this); 72 73 m_client->didReceiveResponse(this, response); 74 75 // Don't continue if the stream is cancelled 76 if (!m_client) 77 return; 78 79 ResourceLoader::didReceiveResponse(response); 80 81 // Don't continue if the stream is cancelled 82 if (!m_client) 83 return; 84 85 if (!response.isHTTP()) 86 return; 87 88 if (m_client->wantsAllStreams()) 89 return; 90 91 if (response.httpStatusCode() < 100 || response.httpStatusCode() >= 400) 92 didCancel(frameLoader()->fileDoesNotExistError(response)); 93 } 94 95 void NetscapePlugInStreamLoader::didReceiveData(const char* data, int length, long long encodedDataLength, bool allAtOnce) 96 { 97 RefPtr<NetscapePlugInStreamLoader> protect(this); 98 99 m_client->didReceiveData(this, data, length); 100 101 ResourceLoader::didReceiveData(data, length, encodedDataLength, allAtOnce); 102 } 103 104 void NetscapePlugInStreamLoader::didFinishLoading(double finishTime) 105 { 106 RefPtr<NetscapePlugInStreamLoader> protect(this); 107 108 m_documentLoader->removePlugInStreamLoader(this); 109 m_client->didFinishLoading(this); 110 ResourceLoader::didFinishLoading(finishTime); 111 } 112 113 void NetscapePlugInStreamLoader::didFail(const ResourceError& error) 114 { 115 RefPtr<NetscapePlugInStreamLoader> protect(this); 116 117 m_documentLoader->removePlugInStreamLoader(this); 118 m_client->didFail(this, error); 119 ResourceLoader::didFail(error); 120 } 121 122 void NetscapePlugInStreamLoader::didCancel(const ResourceError& error) 123 { 124 RefPtr<NetscapePlugInStreamLoader> protect(this); 125 126 m_client->didFail(this, error); 127 128 // If calling didFail spins the run loop the stream loader can reach the terminal state. 129 // If that's the case we just return early. 130 if (reachedTerminalState()) 131 return; 132 133 // We need to remove the stream loader after the call to didFail, since didFail can 134 // spawn a new run loop and if the loader has been removed it won't be deferred when 135 // the document loader is asked to defer loading. 136 m_documentLoader->removePlugInStreamLoader(this); 137 138 ResourceLoader::didCancel(error); 139 } 140 141 } 142