1/*
2 *  Copyright (C) 2000 Harri Porten (porten@kde.org)
3 *  Copyright (c) 2000 Daniel Molkentin (molkentin@kde.org)
4 *  Copyright (c) 2000 Stefan Schimanski (schimmi@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
31namespace blink {
32
33NavigatorGeolocation::NavigatorGeolocation(LocalFrame* frame)
34    : DOMWindowProperty(frame)
35{
36}
37
38DEFINE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(NavigatorGeolocation);
39
40const char* NavigatorGeolocation::supplementName()
41{
42    return "NavigatorGeolocation";
43}
44
45NavigatorGeolocation& NavigatorGeolocation::from(Navigator& navigator)
46{
47    NavigatorGeolocation* supplement = static_cast<NavigatorGeolocation*>(WillBeHeapSupplement<Navigator>::from(navigator, supplementName()));
48    if (!supplement) {
49        supplement = new NavigatorGeolocation(navigator.frame());
50        provideTo(navigator, supplementName(), adoptPtrWillBeNoop(supplement));
51    }
52    return *supplement;
53}
54
55Geolocation* NavigatorGeolocation::geolocation(Navigator& navigator)
56{
57    return NavigatorGeolocation::from(navigator).geolocation();
58}
59
60Geolocation* NavigatorGeolocation::geolocation() const
61{
62    if (!m_geolocation && frame())
63        m_geolocation = Geolocation::create(frame()->document());
64    return m_geolocation.get();
65}
66
67void NavigatorGeolocation::trace(Visitor* visitor)
68{
69    visitor->trace(m_geolocation);
70    WillBeHeapSupplement<Navigator>::trace(visitor);
71    DOMWindowProperty::trace(visitor);
72}
73
74} // namespace blink
75