/*
* Copyright (C) 2011 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:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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 THE COPYRIGHT
* OWNER 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 LinkLoader_h
#define LinkLoader_h
#include "core/fetch/ResourceClient.h"
#include "core/fetch/ResourceOwner.h"
#include "core/loader/LinkLoaderClient.h"
#include "platform/PrerenderClient.h"
#include "platform/Timer.h"
#include "wtf/OwnPtr.h"
namespace WebCore {
class Document;
class LinkRelAttribute;
class PrerenderHandle;
// The LinkLoader can load link rel types icon, dns-prefetch, subresource, prefetch and prerender.
class LinkLoader FINAL : public ResourceOwner<Resource, ResourceClient>, public PrerenderClient {
public:
explicit LinkLoader(LinkLoaderClient*);
virtual ~LinkLoader();
// from ResourceClient
virtual void notifyFinished(Resource*) OVERRIDE;
// from PrerenderClient
virtual void didStartPrerender() OVERRIDE;
virtual void didStopPrerender() OVERRIDE;
virtual void didSendLoadForPrerender() OVERRIDE;
virtual void didSendDOMContentLoadedForPrerender() OVERRIDE;
void released();
bool loadLink(const LinkRelAttribute&, const AtomicString& crossOriginMode, const String& type, const KURL&, Document&);
private:
void linkLoadTimerFired(Timer<LinkLoader>*);
void linkLoadingErrorTimerFired(Timer<LinkLoader>*);
LinkLoaderClient* m_client;
Timer<LinkLoader> m_linkLoadTimer;
Timer<LinkLoader> m_linkLoadingErrorTimer;
OwnPtr<PrerenderHandle> m_prerender;
};
}
#endif