1/*
2 * Copyright (C) 2012 Intel Corporation. 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 "NetworkInfoProvider.h"
28
29#if ENABLE(NETWORK_INFO)
30
31#include "WKNetworkInfoManager.h"
32#include <NotImplemented.h>
33
34using namespace WebKit;
35
36static inline NetworkInfoProvider* toNetworkInfoProvider(const void* clientInfo)
37{
38    return static_cast<NetworkInfoProvider*>(const_cast<void*>(clientInfo));
39}
40
41static void startUpdatingCallback(WKNetworkInfoManagerRef, const void* clientInfo)
42{
43    toNetworkInfoProvider(clientInfo)->startUpdating();
44}
45
46static void stopUpdatingCallback(WKNetworkInfoManagerRef, const void* clientInfo)
47{
48    toNetworkInfoProvider(clientInfo)->stopUpdating();
49}
50
51static double getBandwidthCallback(WKNetworkInfoManagerRef, const void* clientInfo)
52{
53    return toNetworkInfoProvider(clientInfo)->bandwidth();
54}
55
56static bool isMeteredCallback(WKNetworkInfoManagerRef, const void* clientInfo)
57{
58    return toNetworkInfoProvider(clientInfo)->metered();
59}
60
61PassRefPtr<NetworkInfoProvider> NetworkInfoProvider::create(WKContextRef context)
62{
63    return adoptRef(new NetworkInfoProvider(context));
64}
65
66NetworkInfoProvider::NetworkInfoProvider(WKContextRef context)
67    : m_context(context)
68{
69    ASSERT(m_context);
70
71    WKNetworkInfoManagerRef wkNetworkInfoManager = WKContextGetNetworkInfoManager(m_context.get());
72    ASSERT(wkNetworkInfoManager);
73
74    WKNetworkInfoProvider wkNetworkInfoProvider = {
75        kWKNetworkInfoProviderCurrentVersion,
76        this, // clientInfo
77        startUpdatingCallback,
78        stopUpdatingCallback,
79        getBandwidthCallback,
80        isMeteredCallback
81    };
82
83    WKNetworkInfoManagerSetProvider(wkNetworkInfoManager, &wkNetworkInfoProvider);
84}
85
86NetworkInfoProvider::~NetworkInfoProvider()
87{
88    WKNetworkInfoManagerRef wkNetworkInfoManager = WKContextGetNetworkInfoManager(m_context.get());
89    ASSERT(wkNetworkInfoManager);
90
91    WKNetworkInfoManagerSetProvider(wkNetworkInfoManager, 0);
92}
93
94void NetworkInfoProvider::networkInfoControllerDestroyed()
95{
96    delete this;
97}
98
99double NetworkInfoProvider::bandwidth() const
100{
101    return m_provider.bandwidth();
102}
103
104bool NetworkInfoProvider::metered() const
105{
106    notImplemented();
107
108    return false;
109}
110
111void NetworkInfoProvider::startUpdating()
112{
113    m_provider.startUpdating();
114}
115
116void NetworkInfoProvider::stopUpdating()
117{
118    m_provider.stopUpdating();
119}
120
121#endif // ENABLE(NETWORK_INFO)
122