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      1 /*
      2  *  Copyright (C) 2000 Harri Porten (porten (at) kde.org)
      3  *  Copyright (c) 2000 Daniel Molkentin (molkentin (at) kde.org)
      4  *  Copyright (c) 2000 Stefan Schimanski (schimmi (at) kde.org)
      5  *  Copyright (C) 2003, 2004, 2005, 2006 Apple Computer, Inc.
      6  *  Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
      7  *
      8  *  This library is free software; you can redistribute it and/or
      9  *  modify it under the terms of the GNU Lesser General Public
     10  *  License as published by the Free Software Foundation; either
     11  *  version 2 of the License, or (at your option) any later version.
     12  *
     13  *  This library is distributed in the hope that it will be useful,
     14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
     15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     16  *  Lesser General Public License for more details.
     17  *
     18  *  You should have received a copy of the GNU Lesser General Public
     19  *  License along with this library; if not, write to the Free Software
     20  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
     21  */
     22 
     23 #include "config.h"
     24 #include "modules/geolocation/NavigatorGeolocation.h"
     25 
     26 #include "core/dom/Document.h"
     27 #include "core/frame/LocalFrame.h"
     28 #include "core/frame/Navigator.h"
     29 #include "modules/geolocation/Geolocation.h"
     30 
     31 namespace WebCore {
     32 
     33 NavigatorGeolocation::NavigatorGeolocation(LocalFrame* frame)
     34     : DOMWindowProperty(frame)
     35 {
     36 }
     37 
     38 NavigatorGeolocation::~NavigatorGeolocation()
     39 {
     40 }
     41 
     42 const char* NavigatorGeolocation::supplementName()
     43 {
     44     return "NavigatorGeolocation";
     45 }
     46 
     47 NavigatorGeolocation& NavigatorGeolocation::from(Navigator& navigator)
     48 {
     49     NavigatorGeolocation* supplement = static_cast<NavigatorGeolocation*>(WillBeHeapSupplement<Navigator>::from(navigator, supplementName()));
     50     if (!supplement) {
     51         supplement = new NavigatorGeolocation(navigator.frame());
     52         provideTo(navigator, supplementName(), adoptPtrWillBeNoop(supplement));
     53     }
     54     return *supplement;
     55 }
     56 
     57 Geolocation* NavigatorGeolocation::geolocation(Navigator& navigator)
     58 {
     59     return NavigatorGeolocation::from(navigator).geolocation();
     60 }
     61 
     62 Geolocation* NavigatorGeolocation::geolocation() const
     63 {
     64     if (!m_geolocation && frame())
     65         m_geolocation = Geolocation::create(frame()->document());
     66     return m_geolocation.get();
     67 }
     68 
     69 void NavigatorGeolocation::trace(Visitor* visitor)
     70 {
     71     visitor->trace(m_geolocation);
     72     WillBeHeapSupplement<Navigator>::trace(visitor);
     73 }
     74 
     75 } // namespace WebCore
     76