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39 
40 #ifndef QWINDOWSUIAWRAPPER_H
41 #define QWINDOWSUIAWRAPPER_H
42 
43 //
44 //  W A R N I N G
45 //  -------------
46 //
47 // This file is not part of the Qt API.  It exists for the convenience
48 // of other Qt classes.  This header file may change from version to
49 // version without notice, or even be removed.
50 //
51 // We mean it.
52 //
53 
54 #include <QtGui/private/qtguiglobal_p.h>
55 
56 #include "uiatypes_p.h"
57 #include "uiaattributeids_p.h"
58 #include "uiacontroltypeids_p.h"
59 #include "uiaerrorids_p.h"
60 #include "uiaeventids_p.h"
61 #include "uiageneralids_p.h"
62 #include "uiapatternids_p.h"
63 #include "uiapropertyids_p.h"
64 #include "uiaserverinterfaces_p.h"
65 #include "uiaclientinterfaces_p.h"
66 
67 QT_REQUIRE_CONFIG(accessibility);
68 
69 QT_BEGIN_NAMESPACE
70 
71 class QWindowsUiaWrapper
72 {
73     QWindowsUiaWrapper();
74     virtual ~QWindowsUiaWrapper();
75 public:
76     static QWindowsUiaWrapper *instance();
77     BOOL ready();
78     BOOL clientsAreListening();
79     LRESULT returnRawElementProvider(HWND hwnd, WPARAM wParam, LPARAM lParam, IRawElementProviderSimple *el);
80     HRESULT hostProviderFromHwnd(HWND hwnd, IRawElementProviderSimple **ppProvider);
81     HRESULT raiseAutomationPropertyChangedEvent(IRawElementProviderSimple *pProvider, PROPERTYID id, VARIANT oldValue, VARIANT newValue);
82     HRESULT raiseAutomationEvent(IRawElementProviderSimple *pProvider, EVENTID id);
83     HRESULT raiseNotificationEvent(IRawElementProviderSimple *provider, NotificationKind notificationKind, NotificationProcessing notificationProcessing, BSTR displayString, BSTR activityId);
84 
85 private:
86     typedef LRESULT (WINAPI *PtrUiaReturnRawElementProvider)(HWND, WPARAM, LPARAM, IRawElementProviderSimple *);
87     typedef HRESULT (WINAPI *PtrUiaHostProviderFromHwnd)(HWND, IRawElementProviderSimple **);
88     typedef HRESULT (WINAPI *PtrUiaRaiseAutomationPropertyChangedEvent)(IRawElementProviderSimple *, PROPERTYID, VARIANT, VARIANT);
89     typedef HRESULT (WINAPI *PtrUiaRaiseAutomationEvent)(IRawElementProviderSimple *, EVENTID);
90     typedef HRESULT (WINAPI *PtrUiaRaiseNotificationEvent)(IRawElementProviderSimple *, NotificationKind, NotificationProcessing, BSTR, BSTR);
91     typedef BOOL (WINAPI *PtrUiaClientsAreListening)();
92     PtrUiaReturnRawElementProvider             m_pUiaReturnRawElementProvider = nullptr;
93     PtrUiaHostProviderFromHwnd                 m_pUiaHostProviderFromHwnd = nullptr;
94     PtrUiaRaiseAutomationPropertyChangedEvent  m_pUiaRaiseAutomationPropertyChangedEvent = nullptr;
95     PtrUiaRaiseAutomationEvent                 m_pUiaRaiseAutomationEvent = nullptr;
96     PtrUiaRaiseNotificationEvent               m_pUiaRaiseNotificationEvent = nullptr;
97     PtrUiaClientsAreListening                  m_pUiaClientsAreListening = nullptr;
98 };
99 
100 QT_END_NAMESPACE
101 
102 #endif //QWINDOWSUIAWRAPPER_H
103 
104