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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_RENDERER_PRERENDER_PRERENDER_DISPATCHER_H_
#define CHROME_RENDERER_PRERENDER_PRERENDER_DISPATCHER_H_
#include <map>
#include "base/compiler_specific.h"
#include "base/memory/scoped_ptr.h"
#include "content/public/renderer/render_process_observer.h"
#include "third_party/WebKit/Source/Platform/chromium/public/WebPrerenderingSupport.h"
class GURL;
namespace prerender {
// There is one PrerenderDispatcher per render process. It keeps track of which
// prerenders were launched from this renderer, and ensures prerender navigation
// is triggered on navigation to those. It implements the prerendering interface
// supplied to WebKit.
class PrerenderDispatcher : public content::RenderProcessObserver,
public WebKit::WebPrerenderingSupport {
public:
PrerenderDispatcher();
virtual ~PrerenderDispatcher();
bool IsPrerenderURL(const GURL& url) const;
private:
friend class PrerenderDispatcherTest;
void OnAddPrerenderURL(const GURL& url);
void OnRemovePrerenderURL(const GURL& url);
// From RenderProcessObserver:
virtual bool OnControlMessageReceived(const IPC::Message& message) OVERRIDE;
// From WebPrerenderingSupport:
virtual void add(const WebKit::WebPrerender& prerender) OVERRIDE;
virtual void cancel(const WebKit::WebPrerender& prerender) OVERRIDE;
virtual void abandon(const WebKit::WebPrerender& prerender) OVERRIDE;
typedef std::map<GURL, int> PrerenderMap;
PrerenderMap prerender_urls_;
};
} // namespace prerender
#endif // CHROME_RENDERER_PRERENDER_PRERENDER_DISPATCHER_H_
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