1 /* 2 * Copyright (C) 2006 Nikolas Zimmermann <zimmermann (at) kde.org> 3 * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies) 4 * Copyright (C) 2008 Holger Hans Peter Freyther 5 * 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 20 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 21 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 22 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 23 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 24 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 25 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #include "config.h" 31 32 #include "Frame.h" 33 #include "DocLoader.h" 34 #include "ResourceHandle.h" 35 #include "ResourceHandleClient.h" 36 #include "ResourceHandleInternal.h" 37 #include "qwebpage_p.h" 38 #include "qwebframe_p.h" 39 #include "ChromeClientQt.h" 40 #include "FrameLoaderClientQt.h" 41 #include "Page.h" 42 #include "QNetworkReplyHandler.h" 43 44 #include "NotImplemented.h" 45 46 #if QT_VERSION >= 0x040500 47 #include <QAbstractNetworkCache> 48 #endif 49 #include <QCoreApplication> 50 #include <QUrl> 51 #include <QNetworkAccessManager> 52 #include <QNetworkRequest> 53 #include <QNetworkReply> 54 55 namespace WebCore { 56 57 class WebCoreSynchronousLoader : public ResourceHandleClient { 58 public: 59 WebCoreSynchronousLoader(); 60 61 void waitForCompletion(); 62 63 virtual void didReceiveResponse(ResourceHandle*, const ResourceResponse&); 64 virtual void didReceiveData(ResourceHandle*, const char*, int, int lengthReceived); 65 virtual void didFinishLoading(ResourceHandle*); 66 virtual void didFail(ResourceHandle*, const ResourceError&); 67 68 ResourceResponse resourceResponse() const { return m_response; } 69 ResourceError resourceError() const { return m_error; } 70 Vector<char> data() const { return m_data; } 71 72 private: 73 ResourceResponse m_response; 74 ResourceError m_error; 75 Vector<char> m_data; 76 QEventLoop m_eventLoop; 77 }; 78 79 WebCoreSynchronousLoader::WebCoreSynchronousLoader() 80 { 81 } 82 83 void WebCoreSynchronousLoader::didReceiveResponse(ResourceHandle*, const ResourceResponse& response) 84 { 85 m_response = response; 86 } 87 88 void WebCoreSynchronousLoader::didReceiveData(ResourceHandle*, const char* data, int length, int) 89 { 90 m_data.append(data, length); 91 } 92 93 void WebCoreSynchronousLoader::didFinishLoading(ResourceHandle*) 94 { 95 m_eventLoop.exit(); 96 } 97 98 void WebCoreSynchronousLoader::didFail(ResourceHandle*, const ResourceError& error) 99 { 100 m_error = error; 101 m_eventLoop.exit(); 102 } 103 104 void WebCoreSynchronousLoader::waitForCompletion() 105 { 106 m_eventLoop.exec(QEventLoop::ExcludeUserInputEvents); 107 } 108 109 ResourceHandleInternal::~ResourceHandleInternal() 110 { 111 } 112 113 ResourceHandle::~ResourceHandle() 114 { 115 if (d->m_job) 116 cancel(); 117 } 118 119 bool ResourceHandle::start(Frame* frame) 120 { 121 if (!frame) 122 return false; 123 124 Page *page = frame->page(); 125 // If we are no longer attached to a Page, this must be an attempted load from an 126 // onUnload handler, so let's just block it. 127 if (!page) 128 return false; 129 130 if (!(d->m_user.isEmpty() || d->m_pass.isEmpty())) { 131 // If credentials were specified for this request, add them to the url, 132 // so that they will be passed to QNetworkRequest. 133 KURL urlWithCredentials(d->m_request.url()); 134 urlWithCredentials.setUser(d->m_user); 135 urlWithCredentials.setPass(d->m_pass); 136 d->m_request.setURL(urlWithCredentials); 137 } 138 139 getInternal()->m_frame = static_cast<FrameLoaderClientQt*>(frame->loader()->client())->webFrame(); 140 ResourceHandleInternal *d = getInternal(); 141 d->m_job = new QNetworkReplyHandler(this, QNetworkReplyHandler::LoadMode(d->m_defersLoading)); 142 return true; 143 } 144 145 void ResourceHandle::cancel() 146 { 147 if (d->m_job) 148 d->m_job->abort(); 149 } 150 151 bool ResourceHandle::loadsBlocked() 152 { 153 return false; 154 } 155 156 bool ResourceHandle::willLoadFromCache(ResourceRequest& request, Frame* frame) 157 { 158 if (!frame) 159 return false; 160 161 #if QT_VERSION >= 0x040500 162 QNetworkAccessManager* manager = QWebFramePrivate::kit(frame)->page()->networkAccessManager(); 163 QAbstractNetworkCache* cache = manager->cache(); 164 165 if (!cache) 166 return false; 167 168 QNetworkCacheMetaData data = cache->metaData(request.url()); 169 if (data.isValid()) { 170 request.setCachePolicy(ReturnCacheDataDontLoad); 171 return true; 172 } 173 174 return false; 175 #else 176 return false; 177 #endif 178 } 179 180 bool ResourceHandle::supportsBufferedData() 181 { 182 return false; 183 } 184 185 PassRefPtr<SharedBuffer> ResourceHandle::bufferedData() 186 { 187 ASSERT_NOT_REACHED(); 188 return 0; 189 } 190 191 void ResourceHandle::loadResourceSynchronously(const ResourceRequest& request, StoredCredentials /*storedCredentials*/, ResourceError& error, ResourceResponse& response, Vector<char>& data, Frame* frame) 192 { 193 WebCoreSynchronousLoader syncLoader; 194 ResourceHandle handle(request, &syncLoader, true, false, true); 195 196 ResourceHandleInternal *d = handle.getInternal(); 197 if (!(d->m_user.isEmpty() || d->m_pass.isEmpty())) { 198 // If credentials were specified for this request, add them to the url, 199 // so that they will be passed to QNetworkRequest. 200 KURL urlWithCredentials(d->m_request.url()); 201 urlWithCredentials.setUser(d->m_user); 202 urlWithCredentials.setPass(d->m_pass); 203 d->m_request.setURL(urlWithCredentials); 204 } 205 d->m_frame = static_cast<FrameLoaderClientQt*>(frame->loader()->client())->webFrame(); 206 d->m_job = new QNetworkReplyHandler(&handle, QNetworkReplyHandler::LoadNormal); 207 208 syncLoader.waitForCompletion(); 209 error = syncLoader.resourceError(); 210 data = syncLoader.data(); 211 response = syncLoader.resourceResponse(); 212 } 213 214 215 void ResourceHandle::setDefersLoading(bool defers) 216 { 217 d->m_defersLoading = defers; 218 219 if (d->m_job) 220 d->m_job->setLoadMode(QNetworkReplyHandler::LoadMode(defers)); 221 } 222 223 } // namespace WebCore 224
