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39 
40 #include <QtGui/qtguiglobal.h>
41 #if QT_CONFIG(accessibility)
42 
43 #include "qwinrtuiarangevalueprovider.h"
44 #include "qwinrtuiametadatacache.h"
45 #include "qwinrtuiautils.h"
46 
47 #include <QtGui/QAccessible>
48 #include <QtGui/QAccessibleInterface>
49 #include <QtCore/QLoggingCategory>
50 #include <QtCore/QString>
51 #include <QtCore/private/qeventdispatcher_winrt_p.h>
52 
53 QT_BEGIN_NAMESPACE
54 
55 using namespace QWinRTUiAutomation;
56 using namespace ABI::Windows::UI::Xaml::Automation;
57 using namespace ABI::Windows::UI::Xaml::Automation::Provider;
58 
QWinRTUiaRangeValueProvider(QAccessible::Id id)59 QWinRTUiaRangeValueProvider::QWinRTUiaRangeValueProvider(QAccessible::Id id) :
60     QWinRTUiaBaseProvider(id)
61 {
62     qCDebug(lcQpaUiAutomation) << __FUNCTION__;
63 }
64 
~QWinRTUiaRangeValueProvider()65 QWinRTUiaRangeValueProvider::~QWinRTUiaRangeValueProvider()
66 {
67     qCDebug(lcQpaUiAutomation) << __FUNCTION__;
68 }
69 
get_IsReadOnly(boolean * value)70 HRESULT STDMETHODCALLTYPE QWinRTUiaRangeValueProvider::get_IsReadOnly(boolean *value)
71 {
72     qCDebug(lcQpaUiAutomation) << __FUNCTION__;
73 
74     if (!value)
75         return E_INVALIDARG;
76 
77     QSharedPointer<QWinRTUiaControlMetadata> metadata = QWinRTUiaMetadataCache::instance()->metadataForId(id());
78     *value = (metadata->state().readOnly != 0);
79     return S_OK;
80 }
81 
get_LargeChange(DOUBLE * value)82 HRESULT STDMETHODCALLTYPE QWinRTUiaRangeValueProvider::get_LargeChange(DOUBLE *value)
83 {
84     qCDebug(lcQpaUiAutomation) << __FUNCTION__;
85 
86     if (!value)
87         return E_INVALIDARG;
88 
89     QSharedPointer<QWinRTUiaControlMetadata> metadata = QWinRTUiaMetadataCache::instance()->metadataForId(id());
90     *value = metadata->minimumStepSize();
91     return S_OK;
92 }
93 
get_Maximum(DOUBLE * value)94 HRESULT STDMETHODCALLTYPE QWinRTUiaRangeValueProvider::get_Maximum(DOUBLE *value)
95 {
96     qCDebug(lcQpaUiAutomation) << __FUNCTION__;
97 
98     if (!value)
99         return E_INVALIDARG;
100 
101     QSharedPointer<QWinRTUiaControlMetadata> metadata = QWinRTUiaMetadataCache::instance()->metadataForId(id());
102     *value = metadata->maximumValue();
103     return S_OK;
104 }
105 
get_Minimum(DOUBLE * value)106 HRESULT STDMETHODCALLTYPE QWinRTUiaRangeValueProvider::get_Minimum(DOUBLE *value)
107 {
108     qCDebug(lcQpaUiAutomation) << __FUNCTION__;
109 
110     if (!value)
111         return E_INVALIDARG;
112 
113     QSharedPointer<QWinRTUiaControlMetadata> metadata = QWinRTUiaMetadataCache::instance()->metadataForId(id());
114     *value = metadata->minimumValue();
115     return S_OK;
116 }
117 
get_SmallChange(DOUBLE * value)118 HRESULT STDMETHODCALLTYPE QWinRTUiaRangeValueProvider::get_SmallChange(DOUBLE *value)
119 {
120     qCDebug(lcQpaUiAutomation) << __FUNCTION__;
121 
122     if (!value)
123         return E_INVALIDARG;
124 
125     QSharedPointer<QWinRTUiaControlMetadata> metadata = QWinRTUiaMetadataCache::instance()->metadataForId(id());
126     *value = metadata->minimumStepSize();
127     return S_OK;
128 }
129 
get_Value(DOUBLE * value)130 HRESULT STDMETHODCALLTYPE QWinRTUiaRangeValueProvider::get_Value(DOUBLE *value)
131 {
132     qCDebug(lcQpaUiAutomation) << __FUNCTION__;
133 
134     if (!value)
135         return E_INVALIDARG;
136 
137     QSharedPointer<QWinRTUiaControlMetadata> metadata = QWinRTUiaMetadataCache::instance()->metadataForId(id());
138     *value = metadata->currentValue();
139     return S_OK;
140 }
141 
SetValue(DOUBLE value)142 HRESULT STDMETHODCALLTYPE QWinRTUiaRangeValueProvider::SetValue(DOUBLE value)
143 {
144     qCDebug(lcQpaUiAutomation) << __FUNCTION__;
145 
146     auto accid = id();
147 
148     QEventDispatcherWinRT::runOnMainThread([accid, value]() {
149         if (QAccessibleInterface *accessible = accessibleForId(accid)) {
150             if (QAccessibleValueInterface *valueInterface = accessible->valueInterface()) {
151                 double minimum = valueInterface->minimumValue().toDouble();
152                 double maximum = valueInterface->maximumValue().toDouble();
153                 if ((value >= minimum) && (value <= maximum)) {
154                     valueInterface->setCurrentValue(QVariant(value));
155                 }
156             }
157         }
158         QWinRTUiaMetadataCache::instance()->load(accid);
159         return S_OK;
160     }, 0);
161 
162     return S_OK;
163 }
164 
165 QT_END_NAMESPACE
166 
167 #endif // QT_CONFIG(accessibility)
168