qplatformaccessibility.cpp

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1/****************************************************************************-
2**-
3** Copyright (C) 2016 The Qt Company Ltd.-
4** Contact: https://www.qt.io/licensing/-
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6** This file is part of the QtGui module of the Qt Toolkit.-
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22** ensure the GNU Lesser General Public License version 3 requirements-
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37**-
38****************************************************************************/-
39#include "qplatformaccessibility.h"-
40#include <private/qfactoryloader_p.h>-
41#include "qaccessibleplugin.h"-
42#include "qaccessibleobject.h"-
43#include "qaccessiblebridge.h"-
44#include <QtGui/QGuiApplication>-
45-
46#include <QDebug>-
47-
48QT_BEGIN_NAMESPACE-
49-
50#ifndef QT_NO_ACCESSIBILITY-
51-
52/* accessiblebridge plugin discovery stuff */-
#ifndef QT_NO_LIBRARYQ_GLOBAL_STATIC_WITH_ARGS(QFactoryLoader, bridgeloader,
54 (QAccessibleBridgeFactoryInterface_iid, QLatin1String("/accessiblebridge")))-
55-
#endifQ_GLOBAL_STATIC(QVector<QAccessibleBridge *>, bridges)
57-
58/*!-
59 \class QPlatformAccessibility-
60 \since 5.0-
61 \internal-
62 \preliminary-
63 \ingroup qpa-
64 \ingroup accessibility-
65-
66 \brief The QPlatformAccessibility class is the base class for-
67 integrating accessibility backends-
68-
69 \sa QAccessible-
70*/-
71QPlatformAccessibility::QPlatformAccessibility()-
72 : m_active(false)-
73{-
74}-
75-
76QPlatformAccessibility::~QPlatformAccessibility()-
77{-
78}-
79-
80void QPlatformAccessibility::notifyAccessibilityUpdate(QAccessibleEvent *event)-
81{-
82 initialize();-
83-
84 if (!bridges() || bridges()->isEmpty())-
85 return;-
86-
87 for (int i = 0; i < bridges()->count(); ++i)-
88 bridges()->at(i)->notifyAccessibilityUpdate(event);-
89}-
90-
91void QPlatformAccessibility::setRootObject(QObject *o)-
92{-
93 initialize();-
94 if (bridges()->isEmpty())-
95 return;-
96-
97 if (!o)-
98 return;-
99-
100 for (int i = 0; i < bridges()->count(); ++i) {-
101 QAccessibleInterface *iface = QAccessible::queryAccessibleInterface(o);-
102 bridges()->at(i)->setRootObject(iface);-
103 }-
104}-
105-
106void QPlatformAccessibility::initialize()-
107{-
108 static bool isInit = false;-
109 if (isInit)
isInitDescription
TRUEnever evaluated
FALSEnever evaluated
0
110 return;
never executed: return;
0
111 isInit = true; // ### not atomic-
112-
113 #ifndef QT_NO_LIBRARYtypedef QMultiMap<int, QString> PluginKeyMap;-
114 typedef PluginKeyMap::const_iterator PluginKeyMapConstIterator;-
115-
116 const PluginKeyMap keyMap = bridgeloader()->keyMap();-
117 QAccessibleBridgePlugin *factory = 0;-
118 int i = -1;-
119 const PluginKeyMapConstIterator cend = keyMap.constEnd();-
120 for (PluginKeyMapConstIterator it = keyMap.constBegin(); it != cend; ++it) {
it != cendDescription
TRUEnever evaluated
FALSEnever evaluated
0
121 if (it.key() != i) {
it.key() != iDescription
TRUEnever evaluated
FALSEnever evaluated
0
122 i = it.key();-
123 factory = qobject_cast<QAccessibleBridgePlugin*>(bridgeloader()->instance(i));-
124 }
never executed: end of block
0
125 if (factory)
factoryDescription
TRUEnever evaluated
FALSEnever evaluated
0
126 if (QAccessibleBridge *bridge = factory->create(it.value()))
QAccessibleBri...te(it.value())Description
TRUEnever evaluated
FALSEnever evaluated
0
127 bridges()->append(bridge);
never executed: bridges()->append(bridge);
0
128 }#endif
never executed: end of block
0
129}
never executed: end of block
0
130-
131void QPlatformAccessibility::cleanup()-
132{-
133 qDeleteAll(*bridges());-
134}-
135-
136void QPlatformAccessibility::setActive(bool active)-
137{-
138 m_active = active;-
139 QAccessible::setActive(active);-
140}-
141-
142#endif // QT_NO_ACCESSIBILITY-
143-
144QT_END_NAMESPACE-
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