diff options
Diffstat (limited to 'src')
3 files changed, 8 insertions, 1 deletions
diff --git a/src/plugins/platforms/windows/uiautomation/qwindowsuiamainprovider.cpp b/src/plugins/platforms/windows/uiautomation/qwindowsuiamainprovider.cpp index fb3026e49d..f2416ff40c 100644 --- a/src/plugins/platforms/windows/uiautomation/qwindowsuiamainprovider.cpp +++ b/src/plugins/platforms/windows/uiautomation/qwindowsuiamainprovider.cpp @@ -74,10 +74,13 @@ QT_BEGIN_NAMESPACE using namespace QWindowsUiAutomation; +QMutex QWindowsUiaMainProvider::m_mutex; // Returns a cached instance of the provider for a specific accessible interface. QWindowsUiaMainProvider *QWindowsUiaMainProvider::providerForAccessible(QAccessibleInterface *accessible) { + QMutexLocker locker(&m_mutex); + if (!accessible) return nullptr; @@ -275,6 +278,8 @@ ULONG QWindowsUiaMainProvider::AddRef() ULONG STDMETHODCALLTYPE QWindowsUiaMainProvider::Release() { + QMutexLocker locker(&m_mutex); + if (!--m_ref) { delete this; return 0; diff --git a/src/plugins/platforms/windows/uiautomation/qwindowsuiamainprovider.h b/src/plugins/platforms/windows/uiautomation/qwindowsuiamainprovider.h index f7320388f7..8aadabd227 100644 --- a/src/plugins/platforms/windows/uiautomation/qwindowsuiamainprovider.h +++ b/src/plugins/platforms/windows/uiautomation/qwindowsuiamainprovider.h @@ -47,6 +47,7 @@ #include <QtCore/qpointer.h> #include <QtCore/qsharedpointer.h> +#include <QtCore/qmutex.h> #include <QtCore/qt_windows.h> #include <QtGui/qaccessible.h> @@ -98,6 +99,7 @@ public: private: QString automationIdForAccessible(const QAccessibleInterface *accessible); ULONG m_ref; + static QMutex m_mutex; }; QT_END_NAMESPACE diff --git a/src/plugins/platforms/windows/uiautomation/qwindowsuiaprovidercache.cpp b/src/plugins/platforms/windows/uiautomation/qwindowsuiaprovidercache.cpp index c55e827a46..0483cf4263 100644 --- a/src/plugins/platforms/windows/uiautomation/qwindowsuiaprovidercache.cpp +++ b/src/plugins/platforms/windows/uiautomation/qwindowsuiaprovidercache.cpp @@ -75,7 +75,7 @@ void QWindowsUiaProviderCache::insert(QAccessible::Id id, QWindowsUiaBaseProvide m_providerTable[id] = provider; m_inverseTable[provider] = id; // Connects the destroyed signal to our slot, to remove deleted objects from the cache. - QObject::connect(provider, &QObject::destroyed, this, &QWindowsUiaProviderCache::objectDestroyed); + QObject::connect(provider, &QObject::destroyed, this, &QWindowsUiaProviderCache::objectDestroyed, Qt::DirectConnection); } } |