1 /****************************************************************************
2 **
3 ** Copyright (C) 2016 Jolla Ltd, author: Aaron McCarthy <aaron.mccarthy@jollamobile.com>
4 ** Contact: https://www.qt.io/licensing/
5 **
6 ** This file is part of the QtPositioning module of the Qt Toolkit.
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25 ** GNU General Public License Usage
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38 ****************************************************************************/
39
40 #include "qgeocluemaster.h"
41
42 #include <master_interface.h>
43 #include <geoclue_interface.h>
44 #include <masterclient_interface.h>
45
46 #include <QtCore/QLoggingCategory>
47
Q_DECLARE_LOGGING_CATEGORY(lcPositioningGeoclue)48 Q_DECLARE_LOGGING_CATEGORY(lcPositioningGeoclue)
49
50 QT_BEGIN_NAMESPACE
51
52 QGeoclueMaster::QGeoclueMaster(QObject *parent)
53 : QObject(parent), m_master(0), m_provider(0), m_client(0)
54 {
55 }
56
~QGeoclueMaster()57 QGeoclueMaster::~QGeoclueMaster()
58 {
59 releaseMasterClient();
60
61 delete m_master;
62 }
63
hasMasterClient() const64 bool QGeoclueMaster::hasMasterClient() const
65 {
66 return m_client;
67 }
68
createMasterClient(Accuracy::Level accuracyLevel,ResourceFlags resourceFlags)69 bool QGeoclueMaster::createMasterClient(Accuracy::Level accuracyLevel, ResourceFlags resourceFlags)
70 {
71 Q_ASSERT(!m_provider || !m_client);
72
73 if (!m_master) {
74 qCDebug(lcPositioningGeoclue) << "creating master interface";
75 m_master = new OrgFreedesktopGeoclueMasterInterface(QStringLiteral("org.freedesktop.Geoclue.Master"),
76 QStringLiteral("/org/freedesktop/Geoclue/Master"),
77 QDBusConnection::sessionBus());
78 }
79
80 qCDebug(lcPositioningGeoclue) << "creating client";
81 QDBusPendingReply<QDBusObjectPath> client = m_master->Create();
82 if (client.isError()) {
83 QDBusError e = client.error();
84 qCritical("Failed to create Geoclue client interface. Geoclue error: %s",
85 qPrintable(e.errorString(e.type())));
86 return false;
87 }
88
89 qCDebug(lcPositioningGeoclue) << "Geoclue client path:" << client.value().path();
90
91 m_provider = new OrgFreedesktopGeoclueInterface(QStringLiteral("org.freedesktop.Geoclue.Master"),
92 client.value().path(), QDBusConnection::sessionBus());
93 m_provider->AddReference();
94
95 m_client = new OrgFreedesktopGeoclueMasterClientInterface(QStringLiteral("org.freedesktop.Geoclue.Master"),
96 client.value().path(),
97 QDBusConnection::sessionBus());
98
99 connect(m_client, SIGNAL(PositionProviderChanged(QString,QString,QString,QString)),
100 this, SIGNAL(positionProviderChanged(QString,QString,QString,QString)));
101
102 QDBusPendingReply<> reply = m_client->SetRequirements(accuracyLevel, 0, true, resourceFlags);
103 if (reply.isError()) {
104 QDBusError e = reply.error();
105 qCritical("Failed to set Geoclue positioning requirements. Geoclue error: %s",
106 qPrintable(e.errorString(e.type())));
107
108 releaseMasterClient();
109 return false;
110 }
111
112 // Need to create the master position interface even though it will not be used, otherwise
113 // GetPositionProvider always returns empty strings.
114 reply = m_client->PositionStart();
115 if (reply.isError()) {
116 QDBusError e = reply.error();
117 qCritical("Failed to start positioning. Geoclue error: %s",
118 qPrintable(e.errorString(e.type())));
119
120 releaseMasterClient();
121 return false;
122 }
123
124 return true;
125 }
126
releaseMasterClient()127 void QGeoclueMaster::releaseMasterClient()
128 {
129 if (m_provider)
130 m_provider->RemoveReference();
131 delete m_provider;
132 m_provider = 0;
133 delete m_client;
134 m_client = 0;
135 }
136
137 QT_END_NAMESPACE
138