void ApplicationCacheHost::maybeLoadMainResource(ResourceRequest& request, SubstituteData& substituteData)
{
// Check if this request should be loaded from the application cache
if (!substituteData.isValid() && isApplicationCacheEnabled() && !isApplicationCacheBlockedForRequest(request)) {
ASSERT(!m_mainResourceApplicationCache);
m_mainResourceApplicationCache = ApplicationCacheGroup::cacheForMainRequest(request, &m_documentLoader);
if (m_mainResourceApplicationCache) {
// Get the resource from the application cache. By definition, cacheForMainRequest() returns a cache that contains the resource.
ApplicationCacheResource* resource = m_mainResourceApplicationCache->resourceForRequest(request);
// ApplicationCache resources have fragment identifiers stripped off of their URLs,
// but we'll need to restore that for the SubstituteData.
ResourceResponse responseToUse = resource->response();
if (request.url().hasFragmentIdentifier()) {
URL url = responseToUse.url();
url.setFragmentIdentifier(request.url().fragmentIdentifier());
responseToUse.setURL(url);
}
substituteData = SubstituteData(&resource->data(),
URL(),
responseToUse,
SubstituteData::SessionHistoryVisibility::Visible);
}
}
}
bool ApplicationCacheHost::maybeLoadFallbackForMainError(const ResourceRequest& request, const ResourceError& error)
{
if (!error.isCancellation()) {
ASSERT(!m_mainResourceApplicationCache);
if (isApplicationCacheEnabled() && !isApplicationCacheBlockedForRequest(request)) {
m_mainResourceApplicationCache = ApplicationCacheGroup::fallbackCacheForMainRequest(request, m_documentLoader);
if (scheduleLoadFallbackResourceFromApplicationCache(documentLoader()->mainResourceLoader(), m_mainResourceApplicationCache.get()))
return true;
}
}
return false;
}
bool ApplicationCacheHost::maybeLoadFallbackForMainResponse(const ResourceRequest& request, const ResourceResponse& r)
{
if (r.httpStatusCode() / 100 == 4 || r.httpStatusCode() / 100 == 5) {
ASSERT(!m_mainResourceApplicationCache);
if (isApplicationCacheEnabled() && !isApplicationCacheBlockedForRequest(request)) {
m_mainResourceApplicationCache = ApplicationCacheGroup::fallbackCacheForMainRequest(request, documentLoader());
if (scheduleLoadFallbackResourceFromApplicationCache(documentLoader()->mainResourceLoader(), m_mainResourceApplicationCache.get()))
return true;
}
}
return false;
}
bool ApplicationCacheHost::scheduleLoadFallbackResourceFromApplicationCache(ResourceLoader* loader, ApplicationCache* cache)
{
if (!isApplicationCacheEnabled() && !isApplicationCacheBlockedForRequest(loader->request()))
return false;
ApplicationCacheResource* resource;
if (!getApplicationCacheFallbackResource(loader->request(), resource, cache))
return false;
loader->willSwitchToSubstituteResource();
m_documentLoader.scheduleSubstituteResourceLoad(*loader, *resource);
return true;
}
bool ApplicationCacheHost::maybeLoadResource(ResourceLoader& loader, const ResourceRequest& request, const URL& originalURL)
{
if (!isApplicationCacheEnabled() && !isApplicationCacheBlockedForRequest(request))
return false;
if (request.url() != originalURL)
return false;
ApplicationCacheResource* resource;
if (!shouldLoadResourceFromApplicationCache(request, resource))
return false;
m_documentLoader.scheduleSubstituteResourceLoad(loader, *resource);
return true;
}
bool ApplicationCacheHost::scheduleLoadFallbackResourceFromApplicationCache(ResourceLoader* loader, ApplicationCache* cache)
{
if (!isApplicationCacheEnabled() && !isApplicationCacheBlockedForRequest(loader->request()))
return false;
ApplicationCacheResource* resource;
if (!getApplicationCacheFallbackResource(loader->request(), resource, cache))
return false;
m_documentLoader->m_pendingSubstituteResources.set(loader, resource);
m_documentLoader->deliverSubstituteResourcesAfterDelay();
loader->handle()->cancel();
return true;
}
bool ApplicationCacheHost::maybeLoadResource(ResourceLoader* loader, const ResourceRequest& request, const URL& originalURL)
{
if (!isApplicationCacheEnabled() && !isApplicationCacheBlockedForRequest(request))
return false;
if (request.url() != originalURL)
return false;
ApplicationCacheResource* resource;
if (!shouldLoadResourceFromApplicationCache(request, resource))
return false;
m_documentLoader->m_pendingSubstituteResources.set(loader, resource);
m_documentLoader->deliverSubstituteResourcesAfterDelay();
return true;
}
void ApplicationCacheHost::maybeLoadMainResource(ResourceRequest& request, SubstituteData& substituteData)
{
// Check if this request should be loaded from the application cache
if (!substituteData.isValid() && isApplicationCacheEnabled() && !isApplicationCacheBlockedForRequest(request)) {
ASSERT(!m_mainResourceApplicationCache);
m_mainResourceApplicationCache = ApplicationCacheGroup::cacheForMainRequest(request, m_documentLoader);
if (m_mainResourceApplicationCache) {
// Get the resource from the application cache. By definition, cacheForMainRequest() returns a cache that contains the resource.
ApplicationCacheResource* resource = m_mainResourceApplicationCache->resourceForRequest(request);
substituteData = SubstituteData(resource->data(),
resource->response().mimeType(),
resource->response().textEncodingName(),
URL(),
URL(),
SubstituteData::ShouldRevealToSessionHistory);
}
}
}
