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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 "core/loader/appcache/ApplicationCacheHost.h" | |
| 33 | |
| 34 #include "public/platform/WebURL.h" | |
| 35 #include "public/platform/WebURLError.h" | |
| 36 #include "public/platform/WebURLResponse.h" | |
| 37 #include "public/platform/WebVector.h" | |
| 38 #include "ApplicationCacheHostInternal.h" | |
| 39 #include "WebFrameImpl.h" | |
| 40 #include "bindings/v8/ExceptionStatePlaceholder.h" | |
| 41 #include "core/events/ProgressEvent.h" | |
| 42 #include "core/inspector/InspectorApplicationCacheAgent.h" | |
| 43 #include "core/inspector/InspectorInstrumentation.h" | |
| 44 #include "core/loader/DocumentLoader.h" | |
| 45 #include "core/loader/FrameLoader.h" | |
| 46 #include "core/loader/appcache/ApplicationCache.h" | |
| 47 #include "core/frame/Frame.h" | |
| 48 #include "core/page/Page.h" | |
| 49 #include "core/frame/Settings.h" | |
| 50 #include "platform/exported/WrappedResourceRequest.h" | |
| 51 #include "platform/exported/WrappedResourceResponse.h" | |
| 52 #include "platform/weborigin/SecurityOrigin.h" | |
| 53 | |
| 54 using namespace blink; | |
| 55 | |
| 56 namespace WebCore { | |
| 57 | |
| 58 // We provide a custom implementation of this class that calls out to the | |
| 59 // embedding application instead of using WebCore's built in appcache system. | |
| 60 // This file replaces webcore/appcache/ApplicationCacheHost.cpp in our build. | |
| 61 | |
| 62 ApplicationCacheHost::ApplicationCacheHost(DocumentLoader* documentLoader) | |
| 63 : m_domApplicationCache(0) | |
| 64 , m_documentLoader(documentLoader) | |
| 65 , m_defersEvents(true) | |
| 66 { | |
| 67 ASSERT(m_documentLoader); | |
| 68 } | |
| 69 | |
| 70 ApplicationCacheHost::~ApplicationCacheHost() | |
| 71 { | |
| 72 } | |
| 73 | |
| 74 void ApplicationCacheHost::willStartLoadingMainResource(ResourceRequest& request
) | |
| 75 { | |
| 76 // We defer creating the outer host object to avoid spurious creation/destru
ction | |
| 77 // around creating empty documents. At this point, we're initiating a main r
esource | |
| 78 // load for the document, so its for real. | |
| 79 | |
| 80 if (!isApplicationCacheEnabled()) | |
| 81 return; | |
| 82 | |
| 83 m_internal = adoptPtr(new ApplicationCacheHostInternal(this)); | |
| 84 if (m_internal->m_outerHost) { | |
| 85 WrappedResourceRequest wrapped(request); | |
| 86 m_internal->m_outerHost->willStartMainResourceRequest(wrapped, WebFrameI
mpl::fromFrame(m_documentLoader->frame())); | |
| 87 } else | |
| 88 m_internal.clear(); | |
| 89 | |
| 90 // NOTE: The semantics of this method, and others in this interface, are sub
tly different | |
| 91 // than the method names would suggest. For example, in this method never re
turns an appcached | |
| 92 // response in the SubstituteData out argument, instead we return the appcac
hed response thru | |
| 93 // the usual resource loading pipeline. | |
| 94 } | |
| 95 | |
| 96 void ApplicationCacheHost::selectCacheWithoutManifest() | |
| 97 { | |
| 98 if (m_internal) | |
| 99 m_internal->m_outerHost->selectCacheWithoutManifest(); | |
| 100 } | |
| 101 | |
| 102 void ApplicationCacheHost::selectCacheWithManifest(const KURL& manifestURL) | |
| 103 { | |
| 104 if (m_internal) { | |
| 105 if (!m_internal->m_outerHost->selectCacheWithManifest(manifestURL)) { | |
| 106 // It's a foreign entry, restart the current navigation from the top | |
| 107 // of the navigation algorithm. The navigation will not result in th
e | |
| 108 // same resource being loaded, because "foreign" entries are never p
icked | |
| 109 // during navigation. | |
| 110 // see WebCore::ApplicationCacheGroup::selectCache() | |
| 111 Frame* frame = m_documentLoader->frame(); | |
| 112 frame->navigationScheduler().scheduleLocationChange(frame->document(
), | |
| 113 frame->document()->url(), Referrer(frame->document()->referrer()
, frame->document()->referrerPolicy())); | |
| 114 } | |
| 115 } | |
| 116 } | |
| 117 | |
| 118 void ApplicationCacheHost::didReceiveResponseForMainResource(const ResourceRespo
nse& response) | |
| 119 { | |
| 120 if (m_internal) { | |
| 121 WrappedResourceResponse wrapped(response); | |
| 122 m_internal->m_outerHost->didReceiveResponseForMainResource(wrapped); | |
| 123 } | |
| 124 } | |
| 125 | |
| 126 void ApplicationCacheHost::mainResourceDataReceived(const char* data, int length
) | |
| 127 { | |
| 128 if (m_internal) | |
| 129 m_internal->m_outerHost->didReceiveDataForMainResource(data, length); | |
| 130 } | |
| 131 | |
| 132 void ApplicationCacheHost::failedLoadingMainResource() | |
| 133 { | |
| 134 if (m_internal) | |
| 135 m_internal->m_outerHost->didFinishLoadingMainResource(false); | |
| 136 } | |
| 137 | |
| 138 void ApplicationCacheHost::finishedLoadingMainResource() | |
| 139 { | |
| 140 if (m_internal) | |
| 141 m_internal->m_outerHost->didFinishLoadingMainResource(true); | |
| 142 } | |
| 143 | |
| 144 void ApplicationCacheHost::willStartLoadingResource(ResourceRequest& request) | |
| 145 { | |
| 146 // FIXME: look into the purpose of the unused KURL& originalURL parameter | |
| 147 if (m_internal) { | |
| 148 WrappedResourceRequest wrapped(request); | |
| 149 m_internal->m_outerHost->willStartSubResourceRequest(wrapped); | |
| 150 } | |
| 151 } | |
| 152 | |
| 153 void ApplicationCacheHost::setApplicationCache(ApplicationCache* domApplicationC
ache) | |
| 154 { | |
| 155 ASSERT(!m_domApplicationCache || !domApplicationCache); | |
| 156 m_domApplicationCache = domApplicationCache; | |
| 157 } | |
| 158 | |
| 159 void ApplicationCacheHost::notifyApplicationCache(EventID id, int total, int don
e) | |
| 160 { | |
| 161 if (id != PROGRESS_EVENT) | |
| 162 InspectorInstrumentation::updateApplicationCacheStatus(m_documentLoader-
>frame()); | |
| 163 | |
| 164 if (m_defersEvents) { | |
| 165 // Event dispatching is deferred until document.onload has fired. | |
| 166 m_deferredEvents.append(DeferredEvent(id, total, done)); | |
| 167 return; | |
| 168 } | |
| 169 dispatchDOMEvent(id, total, done); | |
| 170 } | |
| 171 | |
| 172 ApplicationCacheHost::CacheInfo ApplicationCacheHost::applicationCacheInfo() | |
| 173 { | |
| 174 if (!m_internal) | |
| 175 return CacheInfo(KURL(), 0, 0, 0); | |
| 176 | |
| 177 blink::WebApplicationCacheHost::CacheInfo webInfo; | |
| 178 m_internal->m_outerHost->getAssociatedCacheInfo(&webInfo); | |
| 179 return CacheInfo(webInfo.manifestURL, webInfo.creationTime, webInfo.updateTi
me, webInfo.totalSize); | |
| 180 } | |
| 181 | |
| 182 void ApplicationCacheHost::fillResourceList(ResourceInfoList* resources) | |
| 183 { | |
| 184 if (!m_internal) | |
| 185 return; | |
| 186 | |
| 187 blink::WebVector<blink::WebApplicationCacheHost::ResourceInfo> webResources; | |
| 188 m_internal->m_outerHost->getResourceList(&webResources); | |
| 189 for (size_t i = 0; i < webResources.size(); ++i) { | |
| 190 resources->append(ResourceInfo( | |
| 191 webResources[i].url, webResources[i].isMaster, webResources[i].isMan
ifest, webResources[i].isFallback, | |
| 192 webResources[i].isForeign, webResources[i].isExplicit, webResources[
i].size)); | |
| 193 } | |
| 194 } | |
| 195 | |
| 196 void ApplicationCacheHost::stopDeferringEvents() | |
| 197 { | |
| 198 RefPtr<DocumentLoader> protect(documentLoader()); | |
| 199 for (unsigned i = 0; i < m_deferredEvents.size(); ++i) { | |
| 200 const DeferredEvent& deferred = m_deferredEvents[i]; | |
| 201 dispatchDOMEvent(deferred.eventID, deferred.progressTotal, deferred.prog
ressDone); | |
| 202 } | |
| 203 m_deferredEvents.clear(); | |
| 204 m_defersEvents = false; | |
| 205 } | |
| 206 | |
| 207 void ApplicationCacheHost::dispatchDOMEvent(EventID id, int total, int done) | |
| 208 { | |
| 209 if (m_domApplicationCache) { | |
| 210 const AtomicString& eventType = ApplicationCache::toEventType(id); | |
| 211 RefPtr<Event> event; | |
| 212 if (id == PROGRESS_EVENT) | |
| 213 event = ProgressEvent::create(eventType, true, done, total); | |
| 214 else | |
| 215 event = Event::create(eventType); | |
| 216 m_domApplicationCache->dispatchEvent(event, ASSERT_NO_EXCEPTION); | |
| 217 } | |
| 218 } | |
| 219 | |
| 220 ApplicationCacheHost::Status ApplicationCacheHost::status() const | |
| 221 { | |
| 222 return m_internal ? static_cast<Status>(m_internal->m_outerHost->status()) :
UNCACHED; | |
| 223 } | |
| 224 | |
| 225 bool ApplicationCacheHost::update() | |
| 226 { | |
| 227 return m_internal ? m_internal->m_outerHost->startUpdate() : false; | |
| 228 } | |
| 229 | |
| 230 bool ApplicationCacheHost::swapCache() | |
| 231 { | |
| 232 bool success = m_internal ? m_internal->m_outerHost->swapCache() : false; | |
| 233 if (success) | |
| 234 InspectorInstrumentation::updateApplicationCacheStatus(m_documentLoader-
>frame()); | |
| 235 return success; | |
| 236 } | |
| 237 | |
| 238 void ApplicationCacheHost::abort() | |
| 239 { | |
| 240 if (m_internal) | |
| 241 m_internal->m_outerHost->abort(); | |
| 242 } | |
| 243 | |
| 244 bool ApplicationCacheHost::isApplicationCacheEnabled() | |
| 245 { | |
| 246 ASSERT(m_documentLoader->frame()); | |
| 247 return m_documentLoader->frame()->settings() | |
| 248 && m_documentLoader->frame()->settings()->offlineWebApplicationCacheE
nabled(); | |
| 249 } | |
| 250 | |
| 251 } // namespace WebCore | |
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Chromium Code Reviews
Issue 161213003:
Fix layering of ApplicationCacheHost (Closed)
Base URL: svn://svn.chromium.org/blink/trunk