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/*
* Copyright (C) 2013 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:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 APPLE INC. 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.
*/
#ifndef HTMLResourcePreloader_h
#define HTMLResourcePreloader_h
#include "core/fetch/FetchRequest.h"
#include "core/fetch/Resource.h"
#include "wtf/CurrentTime.h"
#include "wtf/text/TextPosition.h"
namespace blink {
class PreloadRequest {
public:
static PassOwnPtr<PreloadRequest> create(const String& initiatorName, const TextPosition& initiatorPosition, const String& resourceURL, const KURL& baseURL, Resource::Type resourceType)
{
return adoptPtr(new PreloadRequest(initiatorName, initiatorPosition, resourceURL, baseURL, resourceType));
}
bool isSafeToSendToAnotherThread() const;
FetchRequest resourceRequest(Document*);
const String& charset() const { return m_charset; }
double discoveryTime() const { return m_discoveryTime; }
void setDefer(FetchRequest::DeferOption defer) { m_defer = defer; }
void setCharset(const String& charset) { m_charset = charset.isolatedCopy(); }
void setCrossOriginEnabled(StoredCredentials allowCredentials)
{
m_isCORSEnabled = true;
m_allowCredentials = allowCredentials;
}
Resource::Type resourceType() const { return m_resourceType; }
private:
PreloadRequest(const String& initiatorName, const TextPosition& initiatorPosition, const String& resourceURL, const KURL& baseURL, Resource::Type resourceType)
: m_initiatorName(initiatorName)
, m_initiatorPosition(initiatorPosition)
, m_resourceURL(resourceURL.isolatedCopy())
, m_baseURL(baseURL.copy())
, m_resourceType(resourceType)
, m_isCORSEnabled(false)
, m_allowCredentials(DoNotAllowStoredCredentials)
, m_discoveryTime(monotonicallyIncreasingTime())
, m_defer(FetchRequest::NoDefer)
{
}
KURL completeURL(Document*);
String m_initiatorName;
TextPosition m_initiatorPosition;
String m_resourceURL;
KURL m_baseURL;
String m_charset;
Resource::Type m_resourceType;
bool m_isCORSEnabled;
StoredCredentials m_allowCredentials;
double m_discoveryTime;
FetchRequest::DeferOption m_defer;
};
typedef Vector<OwnPtr<PreloadRequest>> PreloadRequestStream;
class HTMLResourcePreloader final : public NoBaseWillBeGarbageCollected<HTMLResourcePreloader> {
WTF_MAKE_NONCOPYABLE(HTMLResourcePreloader); WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED;
public:
static PassOwnPtrWillBeRawPtr<HTMLResourcePreloader> create(Document&);
void trace(Visitor*);
void takeAndPreload(PreloadRequestStream&);
private:
explicit HTMLResourcePreloader(Document&);
void preload(PassOwnPtr<PreloadRequest>);
RawPtrWillBeMember<Document> m_document;
};
}
#endif
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