1/*
2 * Copyright (C) 2011, 2012, 2013 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#pragma once
27
28#include "APIObject.h"
29#include "Connection.h"
30#include "MessageReceiver.h"
31#include "WebContextSupplement.h"
32#include <WebCore/GeolocationPosition.h>
33#include <wtf/HashSet.h>
34#include <wtf/text/WTFString.h>
35
36namespace API {
37class GeolocationProvider;
38}
39
40namespace WebKit {
41
42class WebGeolocationPosition;
43class WebProcessPool;
44
45class WebGeolocationManagerProxy : public API::ObjectImpl<API::Object::Type::GeolocationManager>, public WebContextSupplement, private IPC::MessageReceiver {
46public:
47 static const char* supplementName();
48
49 static Ref<WebGeolocationManagerProxy> create(WebProcessPool*);
50
51 void setProvider(std::unique_ptr<API::GeolocationProvider>&&);
52
53 void providerDidChangePosition(WebGeolocationPosition*);
54 void providerDidFailToDeterminePosition(const String& errorMessage = String());
55#if PLATFORM(IOS_FAMILY)
56 void resetPermissions();
57#endif
58 const Optional<WebCore::GeolocationPosition>& lastPosition() const { return m_lastPosition; }
59
60 using API::Object::ref;
61 using API::Object::deref;
62
63private:
64 explicit WebGeolocationManagerProxy(WebProcessPool*);
65
66 // WebContextSupplement
67 void processPoolDestroyed() override;
68 void processDidClose(WebProcessProxy*) override;
69 void refWebContextSupplement() override;
70 void derefWebContextSupplement() override;
71
72 // IPC::MessageReceiver
73 void didReceiveMessage(IPC::Connection&, IPC::Decoder&) override;
74
75 bool isUpdating() const { return !m_updateRequesters.isEmpty(); }
76 bool isHighAccuracyEnabled() const { return !m_highAccuracyRequesters.isEmpty(); }
77
78 void startUpdating(IPC::Connection&);
79 void stopUpdating(IPC::Connection&);
80 void removeRequester(const IPC::Connection::Client*);
81 void setEnableHighAccuracy(IPC::Connection&, bool);
82
83 HashSet<const IPC::Connection::Client*> m_updateRequesters;
84 HashSet<const IPC::Connection::Client*> m_highAccuracyRequesters;
85
86 std::unique_ptr<API::GeolocationProvider> m_provider;
87 Optional<WebCore::GeolocationPosition> m_lastPosition;
88};
89
90} // namespace WebKit
91