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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 | ||
31 | namespace WebCore { | |
32 | ||
33 | class GeolocationService; | |
34 | class Geoposition; | |
35 | class PositionError; | |
36 | class PositionOptions; | |
37 | ||
38 | class GeolocationServiceClient { | |
39 | public: | |
40 | virtual ~GeolocationServiceClient() { } | |
41 | virtual void geolocationServicePositionChanged(GeolocationService*) { } | |
42 | virtual void geolocationServiceErrorOccurred(GeolocationService*) { } | |
43 | virtual void geolocationServiceCachePolicyChanged(GeolocationService*) { } | |
44 | }; | |
45 | ||
46 | class GeolocationService : public Noncopyable { | |
47 | public: | |
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 | virtual void setShouldClearCache(bool) { } | |
61 | virtual bool shouldClearCache() const { return false; } | |
62 | ||
63 | void positionChanged(); | |
64 | void errorOccurred(); | |
65 | void cachePolicyChanged(); | |
66 | ||
67 | protected: | |
68 | GeolocationService(GeolocationServiceClient*); | |
69 | ||
70 | private: | |
71 | GeolocationServiceClient* m_geolocationServiceClient; | |
72 | }; | |
73 | ||
74 | } // namespace WebCore | |
75 | ||
76 | #endif // GeolocationService_h |