Index: third_party/WebKit/Source/platform/network/ResourceRequest.cpp |
diff --git a/third_party/WebKit/Source/platform/network/ResourceRequest.cpp b/third_party/WebKit/Source/platform/network/ResourceRequest.cpp |
index dd9afd70463b65ca5578de5a29332df80b5968fd..92ff417cba6f04d50141e5ff48583cbe0eb4a0e5 100644 |
--- a/third_party/WebKit/Source/platform/network/ResourceRequest.cpp |
+++ b/third_party/WebKit/Source/platform/network/ResourceRequest.cpp |
@@ -88,6 +88,9 @@ ResourceRequest::ResourceRequest(CrossThreadResourceRequestData* data) |
m_uiStartTime = data->m_uiStartTime; |
m_isExternalRequest = data->m_isExternalRequest; |
m_inputPerfMetricReportPolicy = data->m_inputPerfMetricReportPolicy; |
+ m_isCacheAwareLoadingEnabled = data->m_isCacheAwareLoadingEnabled; |
+ m_isCacheAwareLoadingActivated = data->m_isCacheAwareLoadingActivated; |
+ m_savedCachePolicy = data->m_savedCachePolicy; |
m_redirectStatus = data->m_redirectStatus; |
} |
@@ -136,6 +139,9 @@ std::unique_ptr<CrossThreadResourceRequestData> ResourceRequest::copyData() |
data->m_uiStartTime = m_uiStartTime; |
data->m_isExternalRequest = m_isExternalRequest; |
data->m_inputPerfMetricReportPolicy = m_inputPerfMetricReportPolicy; |
+ data->m_isCacheAwareLoadingEnabled = m_isCacheAwareLoadingEnabled; |
+ data->m_isCacheAwareLoadingActivated = m_isCacheAwareLoadingActivated; |
+ data->m_savedCachePolicy = m_savedCachePolicy; |
data->m_redirectStatus = m_redirectStatus; |
return data; |
} |
@@ -387,6 +393,35 @@ bool ResourceRequest::hasCacheValidatorFields() const { |
!m_httpHeaderFields.get(HTTPNames::ETag).isEmpty(); |
} |
+void ResourceRequest::mayActivateCacheAwareLoading() { |
+ if (!m_isCacheAwareLoadingEnabled) |
+ return; |
+ |
+ switch (m_cachePolicy) { |
+ case WebCachePolicy::BypassingCache: |
+ case WebCachePolicy::ReturnCacheDataDontLoad: |
+ return; |
+ case WebCachePolicy::UseProtocolCachePolicy: |
+ case WebCachePolicy::ValidatingCacheData: |
+ case WebCachePolicy::ReturnCacheDataElseLoad: |
+ break; |
+ default: |
+ NOTREACHED(); |
+ } |
+ |
+ m_savedCachePolicy = m_cachePolicy; |
+ // TODO(570205): Stale data may be retrieved with this flag. Switch to new |
+ // flag to load from disk cache with validation when available in net. |
+ m_cachePolicy = WebCachePolicy::ReturnCacheDataDontLoad; |
+ m_isCacheAwareLoadingActivated = true; |
+} |
+ |
+void ResourceRequest::deactivateCacheAwareLoading() { |
+ DCHECK(m_isCacheAwareLoadingActivated); |
+ m_cachePolicy = m_savedCachePolicy; |
+ m_isCacheAwareLoadingActivated = false; |
+} |
+ |
void ResourceRequest::initialize(const KURL& url) { |
m_url = url; |
m_cachePolicy = WebCachePolicy::UseProtocolCachePolicy; |
@@ -419,6 +454,9 @@ void ResourceRequest::initialize(const KURL& url) { |
m_inputPerfMetricReportPolicy = InputToLoadPerfMetricReportPolicy::NoReport; |
m_redirectStatus = RedirectStatus::NoRedirect; |
m_requestorOrigin = SecurityOrigin::createUnique(); |
+ m_isCacheAwareLoadingEnabled = false; |
+ m_isCacheAwareLoadingActivated = false; |
+ m_savedCachePolicy = WebCachePolicy::UseProtocolCachePolicy; |
} |
} // namespace blink |