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/*
* Copyright (C) 2012 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 PrerenderHandle_h
#define PrerenderHandle_h
#if ENABLE(LINK_PRERENDER)
#include "ReferrerPolicy.h"
#include <wtf/PassRefPtr.h>
#include <wtf/RefCounted.h>
#include <wtf/RefPtr.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
class KURL;
class Prerender;
class PrerenderHandle : public RefCounted<PrerenderHandle> {
WTF_MAKE_NONCOPYABLE(PrerenderHandle);
public:
static PassRefPtr<PrerenderHandle> create(const KURL&, const String& referrer, ReferrerPolicy);
~PrerenderHandle();
Prerender* prerender();
// FIXME: one day there will be events here, and we will be a PrerenderClient.
// A prerender link element is added when it is inserted into a document.
void add();
// A prerender is abandoned when it's navigated away from. This is is a weaker signal
// than cancel(), since the launcher hasn't indicated that the prerender isn't wanted,
// and we may end up using it after, for instance, a short redirect chain.
void abandon();
// A prerender is canceled when it is removed from a document.
void cancel();
// A prerender is suspended along with the DOM containing its linkloader & prerenderer.
void suspend();
void resume();
const KURL& url() const;
const String& referrer() const;
ReferrerPolicy referrerPolicy() const;
private:
PrerenderHandle(const KURL&, const String& referrer, ReferrerPolicy);
RefPtr<Prerender> m_prerender;
};
} // namespace WebCore
#endif // ENABLE(LINK_PRERENDER)
#endif // PrerenderHandle_h
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