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| |
| #include <initguid.h> |
| |
| #include "qwindowsuiawrapper_p.h" |
| #include <QtCore/private/qsystemlibrary_p.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| // private constructor |
| QWindowsUiaWrapper::QWindowsUiaWrapper() |
| { |
| QSystemLibrary uiaLib(QStringLiteral("UIAutomationCore")); |
| if (uiaLib.load()) { |
| m_pUiaReturnRawElementProvider = reinterpret_cast<PtrUiaReturnRawElementProvider>(uiaLib.resolve("UiaReturnRawElementProvider")); |
| m_pUiaHostProviderFromHwnd = reinterpret_cast<PtrUiaHostProviderFromHwnd>(uiaLib.resolve("UiaHostProviderFromHwnd")); |
| m_pUiaRaiseAutomationPropertyChangedEvent = reinterpret_cast<PtrUiaRaiseAutomationPropertyChangedEvent>(uiaLib.resolve("UiaRaiseAutomationPropertyChangedEvent")); |
| m_pUiaRaiseAutomationEvent = reinterpret_cast<PtrUiaRaiseAutomationEvent>(uiaLib.resolve("UiaRaiseAutomationEvent")); |
| m_pUiaClientsAreListening = reinterpret_cast<PtrUiaClientsAreListening>(uiaLib.resolve("UiaClientsAreListening")); |
| } |
| } |
| |
| QWindowsUiaWrapper::~QWindowsUiaWrapper() |
| { |
| } |
| |
| // shared instance |
| QWindowsUiaWrapper *QWindowsUiaWrapper::instance() |
| { |
| static QWindowsUiaWrapper wrapper; |
| return &wrapper; |
| } |
| |
| // True if all symbols resolved. |
| BOOL QWindowsUiaWrapper::ready() |
| { |
| return m_pUiaReturnRawElementProvider |
| && m_pUiaHostProviderFromHwnd |
| && m_pUiaRaiseAutomationPropertyChangedEvent |
| && m_pUiaRaiseAutomationEvent |
| && m_pUiaClientsAreListening; |
| } |
| |
| BOOL QWindowsUiaWrapper::clientsAreListening() |
| { |
| if (!m_pUiaClientsAreListening) |
| return FALSE; |
| return m_pUiaClientsAreListening(); |
| } |
| |
| LRESULT QWindowsUiaWrapper::returnRawElementProvider(HWND hwnd, WPARAM wParam, LPARAM lParam, IRawElementProviderSimple *el) |
| { |
| if (!m_pUiaReturnRawElementProvider) |
| return static_cast<LRESULT>(NULL); |
| return m_pUiaReturnRawElementProvider(hwnd, wParam, lParam, el); |
| } |
| |
| HRESULT QWindowsUiaWrapper::hostProviderFromHwnd(HWND hwnd, IRawElementProviderSimple **ppProvider) |
| { |
| if (!m_pUiaHostProviderFromHwnd) |
| return UIA_E_NOTSUPPORTED; |
| return m_pUiaHostProviderFromHwnd(hwnd, ppProvider); |
| } |
| |
| HRESULT QWindowsUiaWrapper::raiseAutomationPropertyChangedEvent(IRawElementProviderSimple *pProvider, PROPERTYID id, VARIANT oldValue, VARIANT newValue) |
| { |
| if (!m_pUiaRaiseAutomationPropertyChangedEvent) |
| return UIA_E_NOTSUPPORTED; |
| return m_pUiaRaiseAutomationPropertyChangedEvent(pProvider, id, oldValue, newValue); |
| } |
| |
| HRESULT QWindowsUiaWrapper::raiseAutomationEvent(IRawElementProviderSimple *pProvider, EVENTID id) |
| { |
| if (!m_pUiaRaiseAutomationEvent) |
| return UIA_E_NOTSUPPORTED; |
| return m_pUiaRaiseAutomationEvent(pProvider, id); |
| } |
| |
| QT_END_NAMESPACE |
| |