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-rw-r--r--Source/WebKit/chromium/src/ApplicationCacheHost.cpp313
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diff --git a/Source/WebKit/chromium/src/ApplicationCacheHost.cpp b/Source/WebKit/chromium/src/ApplicationCacheHost.cpp
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-/*
- * Copyright (C) 2009 Google Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "ApplicationCacheHost.h"
-
-#include "ApplicationCacheHostInternal.h"
-#include "DOMApplicationCache.h"
-#include "DocumentLoader.h"
-#include "Frame.h"
-#include "InspectorApplicationCacheAgent.h"
-#include "InspectorInstrumentation.h"
-#include "Page.h"
-#include "ProgressEvent.h"
-#include "SecurityOrigin.h"
-#include "Settings.h"
-#include "WebFrameImpl.h"
-#include "WrappedResourceRequest.h"
-#include "WrappedResourceResponse.h"
-#include <public/WebURL.h>
-#include <public/WebURLError.h>
-#include <public/WebURLResponse.h>
-#include <public/WebVector.h>
-
-using namespace WebKit;
-
-namespace WebCore {
-
-// We provide a custom implementation of this class that calls out to the
-// embedding application instead of using WebCore's built in appcache system.
-// This file replaces webcore/appcache/ApplicationCacheHost.cpp in our build.
-
-ApplicationCacheHost::ApplicationCacheHost(DocumentLoader* documentLoader)
- : m_domApplicationCache(0)
- , m_documentLoader(documentLoader)
- , m_defersEvents(true)
-{
- ASSERT(m_documentLoader);
-}
-
-ApplicationCacheHost::~ApplicationCacheHost()
-{
-}
-
-void ApplicationCacheHost::maybeLoadMainResource(ResourceRequest& request, SubstituteData&)
-{
- // We defer creating the outer host object to avoid spurious creation/destruction
- // around creating empty documents. At this point, we're initiating a main resource
- // load for the document, so its for real.
-
- if (!isApplicationCacheEnabled())
- return;
-
- m_internal = adoptPtr(new ApplicationCacheHostInternal(this));
- if (m_internal->m_outerHost) {
- WrappedResourceRequest wrapped(request);
- m_internal->m_outerHost->willStartMainResourceRequest(wrapped, WebFrameImpl::fromFrame(m_documentLoader->frame()));
- } else
- m_internal.clear();
-
- // NOTE: The semantics of this method, and others in this interface, are subtly different
- // than the method names would suggest. For example, in this method never returns an appcached
- // response in the SubstituteData out argument, instead we return the appcached response thru
- // the usual resource loading pipeline.
-}
-
-void ApplicationCacheHost::selectCacheWithoutManifest()
-{
- if (m_internal)
- m_internal->m_outerHost->selectCacheWithoutManifest();
-}
-
-void ApplicationCacheHost::selectCacheWithManifest(const KURL& manifestURL)
-{
- if (m_internal) {
- if (!m_internal->m_outerHost->selectCacheWithManifest(manifestURL)) {
- // It's a foreign entry, restart the current navigation from the top
- // of the navigation algorithm. The navigation will not result in the
- // same resource being loaded, because "foreign" entries are never picked
- // during navigation.
- // see WebCore::ApplicationCacheGroup::selectCache()
- Frame* frame = m_documentLoader->frame();
- frame->navigationScheduler()->scheduleLocationChange(frame->document()->securityOrigin(),
- frame->document()->url(), frame->loader()->referrer());
- }
- }
-}
-
-void ApplicationCacheHost::maybeLoadMainResourceForRedirect(ResourceRequest&, SubstituteData&)
-{
- // N/A to the chromium port
-}
-
-bool ApplicationCacheHost::maybeLoadFallbackForMainResponse(const ResourceRequest&, const ResourceResponse& response)
-{
- if (m_internal) {
- WrappedResourceResponse wrapped(response);
- m_internal->m_outerHost->didReceiveResponseForMainResource(wrapped);
- }
- return false;
-}
-
-bool ApplicationCacheHost::maybeLoadFallbackForMainError(const ResourceRequest&, const ResourceError& error)
-{
- // N/A to the chromium port
- return false;
-}
-
-void ApplicationCacheHost::mainResourceDataReceived(const char* data, int length, long long, bool)
-{
- if (m_internal)
- m_internal->m_outerHost->didReceiveDataForMainResource(data, length);
-}
-
-void ApplicationCacheHost::failedLoadingMainResource()
-{
- if (m_internal)
- m_internal->m_outerHost->didFinishLoadingMainResource(false);
-}
-
-void ApplicationCacheHost::finishedLoadingMainResource()
-{
- if (m_internal)
- m_internal->m_outerHost->didFinishLoadingMainResource(true);
-}
-
-bool ApplicationCacheHost::maybeLoadResource(ResourceLoader*, ResourceRequest& request, const KURL&)
-{
- // FIXME: look into the purpose of the unused KURL& originalURL parameter
- if (m_internal) {
- WrappedResourceRequest wrapped(request);
- m_internal->m_outerHost->willStartSubResourceRequest(wrapped);
- }
- return false;
-}
-
-bool ApplicationCacheHost::maybeLoadFallbackForRedirect(ResourceLoader*, ResourceRequest&, const ResourceResponse&)
-{
- // N/A to the chromium port
- return false;
-}
-
-bool ApplicationCacheHost::maybeLoadFallbackForResponse(ResourceLoader*, const ResourceResponse&)
-{
- // N/A to the chromium port
- return false;
-}
-
-bool ApplicationCacheHost::maybeLoadFallbackForError(ResourceLoader*, const ResourceError&)
-{
- // N/A to the chromium port
- return false;
-}
-
-bool ApplicationCacheHost::maybeLoadSynchronously(ResourceRequest& request, ResourceError&, ResourceResponse&, Vector<char>&)
-{
- if (m_internal) {
- WrappedResourceRequest wrapped(request);
- m_internal->m_outerHost->willStartSubResourceRequest(wrapped);
- }
- return false;
-}
-
-void ApplicationCacheHost::maybeLoadFallbackSynchronously(const ResourceRequest&, ResourceError&, ResourceResponse&, Vector<char>&)
-{
- // N/A to the chromium port
-}
-
-bool ApplicationCacheHost::canCacheInPageCache()
-{
- // Chromium doesn't use the page cache, however, that's controlled by WebCore::Settings, which has usesPageCache() return
- // false. So we return an hyptothetical here: Chromium won't end up using the PageCache, but the statistics in PageCache.cpp
- // will be reported correctly for re-evaluating that decision.
- return !isApplicationCacheEnabled() || status() == UNCACHED;
-}
-
-void ApplicationCacheHost::setDOMApplicationCache(DOMApplicationCache* domApplicationCache)
-{
- ASSERT(!m_domApplicationCache || !domApplicationCache);
- m_domApplicationCache = domApplicationCache;
-}
-
-void ApplicationCacheHost::notifyDOMApplicationCache(EventID id, int total, int done)
-{
-#if ENABLE(INSPECTOR)
- if (id != PROGRESS_EVENT)
- InspectorInstrumentation::updateApplicationCacheStatus(m_documentLoader->frame());
-#endif
-
- if (m_defersEvents) {
- // Event dispatching is deferred until document.onload has fired.
- m_deferredEvents.append(DeferredEvent(id, total, done));
- return;
- }
- dispatchDOMEvent(id, total, done);
-}
-
-#if ENABLE(INSPECTOR)
-ApplicationCacheHost::CacheInfo ApplicationCacheHost::applicationCacheInfo()
-{
- if (!m_internal)
- return CacheInfo(KURL(), 0, 0, 0);
-
- WebKit::WebApplicationCacheHost::CacheInfo webInfo;
- m_internal->m_outerHost->getAssociatedCacheInfo(&webInfo);
- return CacheInfo(webInfo.manifestURL, webInfo.creationTime, webInfo.updateTime, webInfo.totalSize);
-}
-
-void ApplicationCacheHost::fillResourceList(ResourceInfoList* resources)
-{
- if (!m_internal)
- return;
-
- WebKit::WebVector<WebKit::WebApplicationCacheHost::ResourceInfo> webResources;
- m_internal->m_outerHost->getResourceList(&webResources);
- for (size_t i = 0; i < webResources.size(); ++i) {
- resources->append(ResourceInfo(
- webResources[i].url, webResources[i].isMaster, webResources[i].isManifest, webResources[i].isFallback,
- webResources[i].isForeign, webResources[i].isExplicit, webResources[i].size));
- }
-}
-#endif
-
-void ApplicationCacheHost::stopDeferringEvents()
-{
- RefPtr<DocumentLoader> protect(documentLoader());
- for (unsigned i = 0; i < m_deferredEvents.size(); ++i) {
- const DeferredEvent& deferred = m_deferredEvents[i];
- dispatchDOMEvent(deferred.eventID, deferred.progressTotal, deferred.progressDone);
- }
- m_deferredEvents.clear();
- m_defersEvents = false;
-}
-
-void ApplicationCacheHost::stopLoadingInFrame(Frame* frame)
-{
- // N/A to the chromium port
-}
-
-void ApplicationCacheHost::dispatchDOMEvent(EventID id, int total, int done)
-{
- if (m_domApplicationCache) {
- const AtomicString& eventType = DOMApplicationCache::toEventType(id);
- ExceptionCode ec = 0;
- RefPtr<Event> event;
- if (id == PROGRESS_EVENT)
- event = ProgressEvent::create(eventType, true, done, total);
- else
- event = Event::create(eventType, false, false);
- m_domApplicationCache->dispatchEvent(event, ec);
- ASSERT(!ec);
- }
-}
-
-ApplicationCacheHost::Status ApplicationCacheHost::status() const
-{
- return m_internal ? static_cast<Status>(m_internal->m_outerHost->status()) : UNCACHED;
-}
-
-bool ApplicationCacheHost::update()
-{
- return m_internal ? m_internal->m_outerHost->startUpdate() : false;
-}
-
-bool ApplicationCacheHost::swapCache()
-{
- bool success = m_internal ? m_internal->m_outerHost->swapCache() : false;
- if (success)
- InspectorInstrumentation::updateApplicationCacheStatus(m_documentLoader->frame());
- return success;
-}
-
-void ApplicationCacheHost::abort()
-{
- if (m_internal)
- m_internal->m_outerHost->abort();
-}
-
-bool ApplicationCacheHost::isApplicationCacheEnabled()
-{
- ASSERT(m_documentLoader->frame());
- return m_documentLoader->frame()->settings()
- && m_documentLoader->frame()->settings()->offlineWebApplicationCacheEnabled();
-}
-
-} // namespace WebCore