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| 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 #include "config.h" | |
| 32 #include "ApplicationCacheHost.h" | |
| 33 | |
| 34 #if ENABLE(OFFLINE_WEB_APPLICATIONS) | |
| 35 | |
| 36 #include "DocumentLoader.h" | |
| 37 #include "DOMApplicationCache.h" | |
| 38 #include "Frame.h" | |
| 39 #include "Settings.h" | |
| 40 #include "WebApplicationCacheHost.h" | |
| 41 #include "WebApplicationCacheHostClient.h" | |
| 42 #include "WebKit.h" | |
| 43 #include "WebKitClient.h" | |
| 44 #include "WebURL.h" | |
| 45 #include "WebURLError.h" | |
| 46 #include "WebURLResponse.h" | |
| 47 #include "WrappedResourceRequest.h" | |
| 48 #include "WrappedResourceResponse.h" | |
| 49 | |
| 50 using namespace WebKit; | |
| 51 | |
| 52 namespace WebCore { | |
| 53 | |
| 54 // ApplicationCacheHostInternal ----------------------------------------------- | |
| 55 | |
| 56 class ApplicationCacheHostInternal : public WebApplicationCacheHostClient { | |
| 57 public: | |
| 58 ApplicationCacheHostInternal(ApplicationCacheHost* host) | |
| 59 : m_innerHost(host) | |
| 60 { | |
| 61 m_outerHost.set(WebKit::webKitClient()->createApplicationCacheHost(this)); | |
| 62 } | |
| 63 | |
| 64 virtual void notifyEventListener(WebApplicationCacheHost::EventID eventID) | |
| 65 { | |
| 66 m_innerHost->notifyDOMApplicationCache( | |
| 67 static_cast<ApplicationCacheHost::EventID>(eventID)); | |
| 68 } | |
| 69 | |
| 70 ApplicationCacheHost* m_innerHost; | |
| 71 OwnPtr<WebApplicationCacheHost> m_outerHost; | |
| 72 }; | |
| 73 | |
| 74 // ApplicationCacheHost ------------------------------------------------------- | |
| 75 // We provide a custom implementation of this class that calls out to the | |
| 76 // embedding application instead of using WebCore's built in appcache system. | |
| 77 // This file replaces webcore/appcache/ApplicationCacheHost.cpp in our build. | |
| 78 | |
| 79 ApplicationCacheHost::ApplicationCacheHost(DocumentLoader* documentLoader) | |
| 80 : m_domApplicationCache(0) | |
| 81 , m_documentLoader(documentLoader) | |
| 82 { | |
| 83 ASSERT(m_documentLoader); | |
| 84 } | |
| 85 | |
| 86 ApplicationCacheHost::~ApplicationCacheHost() | |
| 87 { | |
| 88 } | |
| 89 | |
| 90 void ApplicationCacheHost::maybeLoadMainResource(ResourceRequest& request, SubstituteData&) | |
| 91 { | |
| 92 // We defer creating the outer host object to avoid spurious creation/destruction | |
| 93 // around creating empty documents. At this point, we're initiating a main resource | |
| 94 // load for the document, so its for real. | |
| 95 | |
| 96 if (!isApplicationCacheEnabled()) | |
| 97 return; | |
| 98 | |
| 99 m_internal.set(new ApplicationCacheHostInternal(this)); | |
| 100 if (m_internal->m_outerHost) { | |
| 101 WrappedResourceRequest wrapped(request); | |
| 102 m_internal->m_outerHost->willStartMainResourceRequest(wrapped); | |
| 103 } else | |
| 104 m_internal.clear(); | |
| 105 | |
| 106 // NOTE: The semantics of this method, and others in this interface, are subtly different | |
| 107 // than the method names would suggest. For example, in this method never returns an appcached | |
| 108 // response in the SubstituteData out argument, instead we return the appcached response thru | |
| 109 // the usual resource loading pipeline. | |
| 110 } | |
| 111 | |
| 112 void ApplicationCacheHost::selectCacheWithoutManifest() | |
| 113 { | |
| 114 if (m_internal) | |
| 115 m_internal->m_outerHost->selectCacheWithoutManifest(); | |
| 116 } | |
| 117 | |
| 118 void ApplicationCacheHost::selectCacheWithManifest(const KURL& manifestURL) | |
| 119 { | |
| 120 if (m_internal) { | |
| 121 if (!m_internal->m_outerHost->selectCacheWithManifest(manifestURL)) { | |
| 122 // It's a foreign entry, restart the current navigation from the top | |
| 123 // of the navigation algorithm. The navigation will not result in the | |
| 124 // same resource being loaded, because "foreign" entries are never picked | |
| 125 // during navigation. | |
| 126 // see WebCore::ApplicationCacheGroup::selectCache() | |
| 127 const KURL& docURL = m_documentLoader->frame()->document()->url(); | |
| 128 String referrer = m_documentLoader->frameLoader()->referrer(); | |
| 129 m_documentLoader->frame()->redirectScheduler()->scheduleLocationChange(docURL, referrer); | |
| 130 } | |
| 131 } | |
| 132 } | |
| 133 | |
| 134 bool ApplicationCacheHost::maybeLoadFallbackForMainResponse(const ResourceRequest&, const ResourceResponse& response) | |
| 135 { | |
| 136 if (m_internal) { | |
| 137 WrappedResourceResponse wrapped(response); | |
| 138 m_internal->m_outerHost->didReceiveResponseForMainResource(wrapped); | |
| 139 } | |
| 140 return false; | |
| 141 } | |
| 142 | |
| 143 bool ApplicationCacheHost::maybeLoadFallbackForMainError(const ResourceRequest&, const ResourceError& error) | |
| 144 { | |
| 145 // N/A to the chromium port | |
| 146 return false; | |
| 147 } | |
| 148 | |
| 149 void ApplicationCacheHost::mainResourceDataReceived(const char* data, int length, long long, bool) | |
| 150 { | |
| 151 if (m_internal) | |
| 152 m_internal->m_outerHost->didReceiveDataForMainResource(data, length); | |
| 153 } | |
| 154 | |
| 155 void ApplicationCacheHost::failedLoadingMainResource() | |
| 156 { | |
| 157 if (m_internal) | |
| 158 m_internal->m_outerHost->didFinishLoadingMainResource(false); | |
| 159 } | |
| 160 | |
| 161 void ApplicationCacheHost::finishedLoadingMainResource() | |
| 162 { | |
| 163 if (m_internal) | |
| 164 m_internal->m_outerHost->didFinishLoadingMainResource(true); | |
| 165 } | |
| 166 | |
| 167 bool ApplicationCacheHost::maybeLoadResource(ResourceLoader*, ResourceRequest& request, const KURL&) | |
| 168 { | |
| 169 // FIXME: look into the purpose of the unused KURL& originalURL parameter | |
| 170 if (m_internal) { | |
| 171 WrappedResourceRequest wrapped(request); | |
| 172 m_internal->m_outerHost->willStartSubResourceRequest(wrapped); | |
| 173 } | |
| 174 return false; | |
| 175 } | |
| 176 | |
| 177 bool ApplicationCacheHost::maybeLoadFallbackForRedirect(ResourceLoader*, ResourceRequest&, const ResourceResponse&) | |
| 178 { | |
| 179 // N/A to the chromium port | |
| 180 return false; | |
| 181 } | |
| 182 | |
| 183 bool ApplicationCacheHost::maybeLoadFallbackForResponse(ResourceLoader*, const ResourceResponse&) | |
| 184 { | |
| 185 // N/A to the chromium port | |
| 186 return false; | |
| 187 } | |
| 188 | |
| 189 bool ApplicationCacheHost::maybeLoadFallbackForError(ResourceLoader*, const ResourceError&) | |
| 190 { | |
| 191 // N/A to the chromium port | |
| 192 return false; | |
| 193 } | |
| 194 | |
| 195 bool ApplicationCacheHost::maybeLoadSynchronously(ResourceRequest& request, ResourceError&, ResourceResponse&, Vector<char>&) | |
| 196 { | |
| 197 if (m_internal) { | |
| 198 WrappedResourceRequest wrapped(request); | |
| 199 m_internal->m_outerHost->willStartSubResourceRequest(wrapped); | |
| 200 } | |
| 201 return false; | |
| 202 } | |
| 203 | |
| 204 void ApplicationCacheHost::maybeLoadFallbackSynchronously(const ResourceRequest&, ResourceError&, ResourceResponse&, Vector<char>&) | |
| 205 { | |
| 206 // N/A to the chromium port | |
| 207 } | |
| 208 | |
| 209 bool ApplicationCacheHost::canCacheInPageCache() const | |
| 210 { | |
| 211 // N/A to the chromium port which doesn't use the page cache. | |
| 212 return false; | |
| 213 } | |
| 214 | |
| 215 void ApplicationCacheHost::setDOMApplicationCache(DOMApplicationCache* domApplicationCache) | |
| 216 { | |
| 217 ASSERT(!m_domApplicationCache || !domApplicationCache); | |
| 218 m_domApplicationCache = domApplicationCache; | |
| 219 } | |
| 220 | |
| 221 void ApplicationCacheHost::notifyDOMApplicationCache(EventID id) | |
| 222 { | |
| 223 if (m_domApplicationCache) { | |
| 224 ExceptionCode ec = 0; | |
| 225 m_domApplicationCache->dispatchEvent( | |
| 226 Event::create(DOMApplicationCache::toEventType(id), false, false), | |
| 227 ec); | |
| 228 ASSERT(!ec); | |
| 229 } | |
| 230 } | |
| 231 | |
| 232 ApplicationCacheHost::Status ApplicationCacheHost::status() const | |
| 233 { | |
| 234 return m_internal ? static_cast<Status>(m_internal->m_outerHost->status()) : UNCACHED; | |
| 235 } | |
| 236 | |
| 237 bool ApplicationCacheHost::update() | |
| 238 { | |
| 239 return m_internal ? m_internal->m_outerHost->startUpdate() : false; | |
| 240 } | |
| 241 | |
| 242 bool ApplicationCacheHost::swapCache() | |
| 243 { | |
| 244 return m_internal ? m_internal->m_outerHost->swapCache() : false; | |
| 245 } | |
| 246 | |
| 247 bool ApplicationCacheHost::isApplicationCacheEnabled() | |
| 248 { | |
| 249 ASSERT(m_documentLoader->frame()); | |
| 250 return m_documentLoader->frame()->settings() | |
| 251 && m_documentLoader->frame()->settings()->offlineWebApplicationCacheEnabled(); | |
| 252 } | |
| 253 | |
| 254 } // namespace WebCore | |
| 255 | |
| 256 #endif // ENABLE(OFFLINE_WEB_APPLICATIONS) | |
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Chromium Code Reviews
Issue 385057:
Deleted webkit/api which now lives in webkit.org (Closed)
