void MainResourceLoader::didFinishLoading()
{
// There is a bug in CFNetwork where callbacks can be dispatched even when loads are deferred.
// See <rdar://problem/6304600> for more details.
#if !PLATFORM(CF)
ASSERT(shouldLoadAsEmptyDocument(frameLoader()->activeDocumentLoader()->url()) || !defersLoading());
#endif
// The additional processing can do anything including possibly removing the last
// reference to this object.
RefPtr<MainResourceLoader> protect(this);
#if ENABLE(OFFLINE_WEB_APPLICATIONS)
RefPtr<DocumentLoader> dl = documentLoader();
#endif
frameLoader()->finishedLoading();
ResourceLoader::didFinishLoading();
#if ENABLE(OFFLINE_WEB_APPLICATIONS)
ApplicationCacheGroup* group = dl->candidateApplicationCacheGroup();
if (!group && dl->applicationCache() && !dl->mainResourceApplicationCache())
group = dl->applicationCache()->group();
if (group)
group->finishedLoadingMainResource(dl.get());
#endif
}
void ApplicationCacheHost::finishedLoadingMainResource()
{
ApplicationCacheGroup* group = candidateApplicationCacheGroup();
if (!group && applicationCache() && !mainResourceApplicationCache())
group = applicationCache()->group();
if (group)
group->finishedLoadingMainResource(m_documentLoader);
}
void ApplicationCacheGroup::selectCache(Frame* frame, const KURL& manifestURL)
{
ASSERT(frame && frame->page());
if (!frame->settings()->offlineWebApplicationCacheEnabled())
return;
DocumentLoader* documentLoader = frame->loader()->documentLoader();
ASSERT(!documentLoader->applicationCache());
if (manifestURL.isNull()) {
selectCacheWithoutManifestURL(frame);
return;
}
ApplicationCache* mainResourceCache = documentLoader->mainResourceApplicationCache();
if (mainResourceCache) {
if (manifestURL == mainResourceCache->group()->m_manifestURL) {
mainResourceCache->group()->associateDocumentLoaderWithCache(documentLoader, mainResourceCache);
mainResourceCache->group()->update(frame);
} else {
// The main resource was loaded from cache, so the cache must have an entry for it. Mark it as foreign.
ApplicationCacheResource* resource = mainResourceCache->resourceForURL(documentLoader->url());
bool inStorage = resource->storageID();
resource->addType(ApplicationCacheResource::Foreign);
if (inStorage)
cacheStorage().storeUpdatedType(resource, mainResourceCache);
// Restart the current navigation from the top of the navigation algorithm, undoing any changes that were made
// as part of the initial load.
// The navigation will not result in the same resource being loaded, because "foreign" entries are never picked during navigation.
frame->loader()->scheduleLocationChange(documentLoader->url(), frame->loader()->referrer(), true);
}
return;
}
// The resource was loaded from the network, check if it is a HTTP/HTTPS GET.
const ResourceRequest& request = frame->loader()->activeDocumentLoader()->request();
if (!ApplicationCache::requestIsHTTPOrHTTPSGet(request)) {
selectCacheWithoutManifestURL(frame);
return;
}
// Check that the resource URL has the same scheme/host/port as the manifest URL.
if (!protocolHostAndPortAreEqual(manifestURL, request.url())) {
selectCacheWithoutManifestURL(frame);
return;
}
ApplicationCacheGroup* group = cacheStorage().findOrCreateCacheGroup(manifestURL);
if (ApplicationCache* cache = group->newestCache()) {
ASSERT(cache->manifestResource());
group->associateDocumentLoaderWithCache(frame->loader()->documentLoader(), cache);
if (!frame->loader()->documentLoader()->isLoadingMainResource())
group->finishedLoadingMainResource(frame->loader()->documentLoader());
group->update(frame);
} else {
bool isUpdating = group->m_cacheBeingUpdated;
if (!isUpdating)
group->m_cacheBeingUpdated = ApplicationCache::create();
documentLoader->setCandidateApplicationCacheGroup(group);
group->m_cacheCandidates.add(documentLoader);
const KURL& url = frame->loader()->documentLoader()->originalURL();
unsigned type = 0;
// If the resource has already been downloaded, remove it so that it will be replaced with the implicit resource
if (isUpdating)
type = group->m_cacheBeingUpdated->removeResource(url);
// Add the main resource URL as an implicit entry.
group->addEntry(url, type | ApplicationCacheResource::Implicit);
if (!frame->loader()->documentLoader()->isLoadingMainResource())
group->finishedLoadingMainResource(frame->loader()->documentLoader());
if (!isUpdating)
group->update(frame);
}
}