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39
40 #include <initguid.h>
41
42 #include "qwindowsuiawrapper_p.h"
43 #include <QtCore/private/qsystemlibrary_p.h>
44
45 QT_BEGIN_NAMESPACE
46
47 // private constructor
QWindowsUiaWrapper()48 QWindowsUiaWrapper::QWindowsUiaWrapper()
49 {
50 QSystemLibrary uiaLib(QStringLiteral("UIAutomationCore"));
51 if (uiaLib.load()) {
52 m_pUiaReturnRawElementProvider = reinterpret_cast<PtrUiaReturnRawElementProvider>(uiaLib.resolve("UiaReturnRawElementProvider"));
53 m_pUiaHostProviderFromHwnd = reinterpret_cast<PtrUiaHostProviderFromHwnd>(uiaLib.resolve("UiaHostProviderFromHwnd"));
54 m_pUiaRaiseAutomationPropertyChangedEvent = reinterpret_cast<PtrUiaRaiseAutomationPropertyChangedEvent>(uiaLib.resolve("UiaRaiseAutomationPropertyChangedEvent"));
55 m_pUiaRaiseAutomationEvent = reinterpret_cast<PtrUiaRaiseAutomationEvent>(uiaLib.resolve("UiaRaiseAutomationEvent"));
56 m_pUiaRaiseNotificationEvent = reinterpret_cast<PtrUiaRaiseNotificationEvent>(uiaLib.resolve("UiaRaiseNotificationEvent"));
57 m_pUiaClientsAreListening = reinterpret_cast<PtrUiaClientsAreListening>(uiaLib.resolve("UiaClientsAreListening"));
58 }
59 }
60
~QWindowsUiaWrapper()61 QWindowsUiaWrapper::~QWindowsUiaWrapper()
62 {
63 }
64
65 // shared instance
instance()66 QWindowsUiaWrapper *QWindowsUiaWrapper::instance()
67 {
68 static QWindowsUiaWrapper wrapper;
69 return &wrapper;
70 }
71
72 // True if most symbols resolved (UiaRaiseNotificationEvent is optional).
ready()73 BOOL QWindowsUiaWrapper::ready()
74 {
75 return m_pUiaReturnRawElementProvider
76 && m_pUiaHostProviderFromHwnd
77 && m_pUiaRaiseAutomationPropertyChangedEvent
78 && m_pUiaRaiseAutomationEvent
79 && m_pUiaClientsAreListening;
80 }
81
clientsAreListening()82 BOOL QWindowsUiaWrapper::clientsAreListening()
83 {
84 if (!m_pUiaClientsAreListening)
85 return FALSE;
86 return m_pUiaClientsAreListening();
87 }
88
returnRawElementProvider(HWND hwnd,WPARAM wParam,LPARAM lParam,IRawElementProviderSimple * el)89 LRESULT QWindowsUiaWrapper::returnRawElementProvider(HWND hwnd, WPARAM wParam, LPARAM lParam, IRawElementProviderSimple *el)
90 {
91 if (!m_pUiaReturnRawElementProvider)
92 return static_cast<LRESULT>(NULL);
93 return m_pUiaReturnRawElementProvider(hwnd, wParam, lParam, el);
94 }
95
hostProviderFromHwnd(HWND hwnd,IRawElementProviderSimple ** ppProvider)96 HRESULT QWindowsUiaWrapper::hostProviderFromHwnd(HWND hwnd, IRawElementProviderSimple **ppProvider)
97 {
98 if (!m_pUiaHostProviderFromHwnd)
99 return UIA_E_NOTSUPPORTED;
100 return m_pUiaHostProviderFromHwnd(hwnd, ppProvider);
101 }
102
raiseAutomationPropertyChangedEvent(IRawElementProviderSimple * pProvider,PROPERTYID id,VARIANT oldValue,VARIANT newValue)103 HRESULT QWindowsUiaWrapper::raiseAutomationPropertyChangedEvent(IRawElementProviderSimple *pProvider, PROPERTYID id, VARIANT oldValue, VARIANT newValue)
104 {
105 if (!m_pUiaRaiseAutomationPropertyChangedEvent)
106 return UIA_E_NOTSUPPORTED;
107 return m_pUiaRaiseAutomationPropertyChangedEvent(pProvider, id, oldValue, newValue);
108 }
109
raiseAutomationEvent(IRawElementProviderSimple * pProvider,EVENTID id)110 HRESULT QWindowsUiaWrapper::raiseAutomationEvent(IRawElementProviderSimple *pProvider, EVENTID id)
111 {
112 if (!m_pUiaRaiseAutomationEvent)
113 return UIA_E_NOTSUPPORTED;
114 return m_pUiaRaiseAutomationEvent(pProvider, id);
115 }
116
raiseNotificationEvent(IRawElementProviderSimple * provider,NotificationKind notificationKind,NotificationProcessing notificationProcessing,BSTR displayString,BSTR activityId)117 HRESULT QWindowsUiaWrapper::raiseNotificationEvent(IRawElementProviderSimple *provider, NotificationKind notificationKind, NotificationProcessing notificationProcessing, BSTR displayString, BSTR activityId)
118 {
119 if (!m_pUiaRaiseNotificationEvent)
120 return UIA_E_NOTSUPPORTED;
121 return m_pUiaRaiseNotificationEvent(provider, notificationKind, notificationProcessing, displayString, activityId);
122 }
123
124 QT_END_NAMESPACE
125
126