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27 #include "core/html/parser/HTMLResourcePreloader.h"
29 #include "core/dom/Document.h"
30 #include "core/fetch/FetchInitiatorInfo.h"
31 #include "core/fetch/ResourceFetcher.h"
32 #include "core/html/imports/HTMLImport.h"
33 #include "core/rendering/RenderObject.h"
34 #include "public/platform/Platform.h"
38 bool PreloadRequest::isSafeToSendToAnotherThread() const
40 return m_initiatorName.isSafeToSendToAnotherThread()
41 && m_charset.isSafeToSendToAnotherThread()
42 && m_resourceURL.isSafeToSendToAnotherThread()
43 && m_baseURL.isSafeToSendToAnotherThread();
46 KURL PreloadRequest::completeURL(Document* document)
48 return document->completeURLWithOverride(m_resourceURL, m_baseURL.isEmpty() ? document->url() : m_baseURL);
51 FetchRequest PreloadRequest::resourceRequest(Document* document)
53 ASSERT(isMainThread());
54 FetchInitiatorInfo initiatorInfo;
55 initiatorInfo.name = AtomicString(m_initiatorName);
56 initiatorInfo.position = m_initiatorPosition;
57 FetchRequest request(ResourceRequest(completeURL(document)), initiatorInfo);
60 request.setCrossOriginAccessControl(document->securityOrigin(), m_allowCredentials);
64 inline HTMLResourcePreloader::HTMLResourcePreloader(Document& document)
65 : m_document(document)
69 PassOwnPtrWillBeRawPtr<HTMLResourcePreloader> HTMLResourcePreloader::create(Document& document)
71 return adoptPtrWillBeNoop(new HTMLResourcePreloader(document));
74 void HTMLResourcePreloader::trace(Visitor* visitor)
76 visitor->trace(m_document);
79 void HTMLResourcePreloader::takeAndPreload(PreloadRequestStream& r)
81 PreloadRequestStream requests;
84 for (PreloadRequestStream::iterator it = requests.begin(); it != requests.end(); ++it)
85 preload(it->release());
88 void HTMLResourcePreloader::preload(PassOwnPtr<PreloadRequest> preload)
90 FetchRequest request = preload->resourceRequest(m_document);
91 blink::Platform::current()->histogramCustomCounts("WebCore.PreloadDelayMs", static_cast<int>(1000 * (monotonicallyIncreasingTime() - preload->discoveryTime())), 0, 2000, 20);
92 m_document->fetcher()->preload(preload->resourceType(), request, preload->charset());