1 /*
2 * Copyright (C) 2009 Apple 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
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26 #include "config.h"
27 #include "GeolocationController.h"
28
29 #if ENABLE(CLIENT_BASED_GEOLOCATION)
30
31 #include "GeolocationControllerClient.h"
32
33 namespace WebCore {
34
GeolocationController(Page * page,GeolocationControllerClient * client)35 GeolocationController::GeolocationController(Page* page, GeolocationControllerClient* client)
36 : m_page(page)
37 , m_client(client)
38 {
39 }
40
~GeolocationController()41 GeolocationController::~GeolocationController()
42 {
43 if (m_client)
44 m_client->geolocationDestroyed();
45 }
46
addObserver(Geolocation * observer)47 void GeolocationController::addObserver(Geolocation* observer)
48 {
49 ASSERT(!m_observers.contains(observer));
50
51 bool wasEmpty = m_observers.isEmpty();
52 m_observers.add(observer);
53 if (wasEmpty && m_client)
54 m_client->startUpdating();
55 }
56
removeObserver(Geolocation * observer)57 void GeolocationController::removeObserver(Geolocation* observer)
58 {
59 if (!m_observers.contains(observer))
60 return;
61
62 m_observers.remove(observer);
63 if (m_observers.isEmpty() && m_client)
64 m_client->stopUpdating();
65 }
66
positionChanged(GeolocationPosition * position)67 void GeolocationController::positionChanged(GeolocationPosition* position)
68 {
69 Vector<RefPtr<Geolocation> > observersVector;
70 copyToVector(m_observers, observersVector);
71 for (size_t i = 0; i < observersVector.size(); ++i)
72 observersVector[i]->setPosition(position);
73 }
74
errorOccurred(GeolocationError * error)75 void GeolocationController::errorOccurred(GeolocationError* error)
76 {
77 Vector<RefPtr<Geolocation> > observersVector;
78 copyToVector(m_observers, observersVector);
79 for (size_t i = 0; i < observersVector.size(); ++i)
80 observersVector[i]->setError(error);
81 }
82
lastPosition()83 GeolocationPosition* GeolocationController::lastPosition()
84 {
85 if (!m_client)
86 return 0;
87
88 return m_client->lastPosition();
89 }
90
91 } // namespace WebCore
92
93 #endif // ENABLE(CLIENT_BASED_GEOLOCATION)
94