1/*
2 * Copyright (C) 2008 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. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef GeolocationService_h
27#define GeolocationService_h
28
29#include <wtf/Noncopyable.h>
30
31namespace WebCore {
32
33class GeolocationService;
34class Geoposition;
35class PositionError;
36class PositionOptions;
37
38class GeolocationServiceClient {
39public:
40    virtual ~GeolocationServiceClient() { }
41    virtual void geolocationServicePositionChanged(GeolocationService*) = 0;
42    virtual void geolocationServiceErrorOccurred(GeolocationService*) = 0;
43};
44
45class GeolocationService {
46    WTF_MAKE_NONCOPYABLE(GeolocationService);
47public:
48    static GeolocationService* create(GeolocationServiceClient*);
49    virtual ~GeolocationService() { }
50
51    virtual bool startUpdating(PositionOptions*) { return false; }
52    virtual void stopUpdating() { }
53
54    virtual void suspend() { }
55    virtual void resume() { }
56
57    virtual Geoposition* lastPosition() const { return 0; }
58    virtual PositionError* lastError() const { return 0; }
59
60    void positionChanged();
61    void errorOccurred();
62
63    static void useMock();
64    typedef GeolocationService* (FactoryFunction)(GeolocationServiceClient*);
65    static void setCustomMockFactory(FactoryFunction);
66
67protected:
68    GeolocationService(GeolocationServiceClient*);
69    GeolocationServiceClient* geolocationServiceClient() const { return m_geolocationServiceClient; }
70
71private:
72    GeolocationServiceClient* m_geolocationServiceClient;
73
74    static FactoryFunction* s_factoryFunction;
75    static FactoryFunction* s_mockFactoryFunction;
76};
77
78} // namespace WebCore
79
80#endif // GeolocationService_h
81
82