third_party/WebKit/Source/platform/Prerender.h

   1 /*
   2  * Copyright (C) 2012 Google Inc. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  *     * Redistributions of source code must retain the above copyright
   9  * notice, this list of conditions and the following disclaimer.
  10  *     * Redistributions in binary form must reproduce the above
  11  * copyright notice, this list of conditions and the following disclaimer
  12  * in the documentation and/or other materials provided with the
  13  * distribution.
  14  *     * Neither the name of Google Inc. nor the names of its
  15  * contributors may be used to endorse or promote products derived from
  16  * this software without specific prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29  *
  30  */
  31
  32 #ifndef Prerender_h
  33 #define Prerender_h
  34
  35 #include "platform/PlatformExport.h"
  36 #include "platform/weborigin/KURL.h"
  37 #include "platform/weborigin/Referrer.h"
  38 #include "wtf/OwnPtr.h"
  39 #include "wtf/PassOwnPtr.h"
  40 #include "wtf/PassRefPtr.h"
  41 #include "wtf/RefCounted.h"
  42 #include "wtf/RefPtr.h"
  43 #include "wtf/text/WTFString.h"
  44
  45 namespace blink {
  46
  47 class PrerenderClient;
  48
  49 class PLATFORM_EXPORT Prerender : public RefCounted<Prerender> {
  50     WTF_MAKE_NONCOPYABLE(Prerender);
  51 public:
  52     class ExtraData : public RefCounted<ExtraData> {
  53     public:
  54         virtual ~ExtraData() { }
  55     };
  56
  57     static PassRefPtr<Prerender> create(PrerenderClient*, const KURL&, unsigned relTypes, const Referrer&);
  58     ~Prerender();
  59
  60     void removeClient();
  61
  62     void add();
  63     void cancel();
  64     void abandon();
  65
  66     const KURL& url() const { return m_url; }
  67     unsigned relTypes() const { return m_relTypes; }
  68     const String& referrer() const { return m_referrer.referrer; }
  69     ReferrerPolicy referrerPolicy() const { return m_referrer.referrerPolicy; }
  70
  71     void setExtraData(PassRefPtr<ExtraData> extraData) { m_extraData = extraData; }
  72     ExtraData* extraData() { return m_extraData.get(); }
  73
  74     void didStartPrerender();
  75     void didStopPrerender();
  76     void didSendLoadForPrerender();
  77     void didSendDOMContentLoadedForPrerender();
  78
  79 private:
  80     Prerender(PrerenderClient*, const KURL&, unsigned relTypes, const Referrer&);
  81
  82     PrerenderClient* m_client;
  83
  84     const KURL m_url;
  85     const unsigned m_relTypes;
  86     const Referrer m_referrer;
  87
  88     RefPtr<ExtraData> m_extraData;
  89 };
  90
  91 }
  92
  93 #endif // Prerender_h