qaccessiblecache.cpp

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12namespace { namespace Q_QGS_qAccessibleCache { typedef QAccessibleCache Type; QBasicAtomicInt guard = { QtGlobalStatic::Uninitialized }; __attribute__((visibility("hidden"))) inline Type *innerFunction() { struct HolderBase { ~HolderBase() noexcept { if (guard.load() == QtGlobalStatic::Initialized
guard.load() =...c::InitializedDescription
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) guard.store(QtGlobalStatic::Destroyed);
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}
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}; static struct Holder : public HolderBase { Type value; Holder() noexcept(noexcept(Type ())) : value () { guard.store(QtGlobalStatic::Initialized); } } holder; return
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&holder.value;
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} } } static QGlobalStatic<QAccessibleCache, Q_QGS_qAccessibleCache::innerFunction, Q_QGS_qAccessibleCache::guard> qAccessibleCache;
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14QAccessibleCache *QAccessibleCache::instance()-
15{-
16 return
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qAccessibleCache;
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17}-
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24QAccessible::Id QAccessibleCache::acquireId() const-
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26 static const QAccessible::Id FirstId = QAccessible::Id(2147483647) + 1;-
27 static QAccessible::Id lastUsedId = FirstId;-
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29 while (idToInterface.contains(lastUsedId)
idToInterface....ns(lastUsedId)Description
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) {
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32 if (lastUsedId == (2147483647 * 2U + 1U) - 1
lastUsedId == ...* 2U + 1U) - 1Description
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33 lastUsedId = FirstId;
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34 else-
35 ++
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lastUsedId;
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36 }-
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38 return
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lastUsedId;
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39}-
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41QAccessibleInterface *QAccessibleCache::interfaceForId(QAccessible::Id id) const-
42{-
43 return
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idToInterface.value(id);
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44}-
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46QAccessible::Id QAccessibleCache::idForInterface(QAccessibleInterface *iface) const-
47{-
48 return
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interfaceToId.value(iface);
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49}-
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51QAccessible::Id QAccessibleCache::insert(QObject *object, QAccessibleInterface *iface) const-
52{-
53 ((!(iface)) ? qt_assert("iface",__FILE__,93) : qt_noop());-
54 (void)object;-
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57 ((!(!objectToId.contains(object))) ? qt_assert("!objectToId.contains(object)",__FILE__,97) : qt_noop());-
58 ((!(!interfaceToId.contains(iface))) ? qt_assert_x("", "Accessible interface inserted into cache twice!",__FILE__,98) : qt_noop());-
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60 QAccessible::Id id = acquireId();-
61 QObject *obj = iface->object();-
62 ((!(object == obj)) ? qt_assert("object == obj",__FILE__,102) : qt_noop());-
63 if (obj
objDescription
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64 objectToId.insert(obj, id);-
65 connect(obj, &QObject::destroyed, this, &QAccessibleCache::objectDestroyed);-
66 }
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67 idToInterface.insert(id, iface);-
68 interfaceToId.insert(iface, id);-
69 return
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id;
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70}-
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72void QAccessibleCache::objectDestroyed(QObject* obj)-
73{-
74 QAccessible::Id id = objectToId.value(obj);-
75 if (id
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76 ((!(idToInterface.contains(id))) ? qt_assert_x("", "QObject with accessible interface deleted, where interface not in cache!",__FILE__,116) : qt_noop());-
77 deleteInterface(id, obj);-
78 }
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79}
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81void QAccessibleCache::deleteInterface(QAccessible::Id id, QObject *obj)-
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83 QAccessibleInterface *iface = idToInterface.take(id);-
84 interfaceToId.take(iface);-
85 if (!obj
!objDescription
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86 obj = iface->object();
never executed: obj = iface->object();
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87 if (obj
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88 objectToId.remove(obj);
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89 delete iface;-
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94}
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