1 files changed, 119 insertions, 0 deletions
diff --git a/src/gui/accessible/qaccessible_mac_carbon.cpp b/src/gui/accessible/qaccessible_mac_carbon.cpp
new file mode 100644
index 0000000000..2e8a7628e8
--- /dev/null
+++ b/src/gui/accessible/qaccessible_mac_carbon.cpp
@@ -0,0 +1,119 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+static OSStatus applicationEventHandler(EventHandlerCallRef next_ref, EventRef event, void *data);
+static EventHandlerUPP applicationEventHandlerUPP = 0;
+static EventTypeSpec application_events[] = {
+    { kEventClassAccessibility,  kEventAccessibleGetChildAtPoint },
+    { kEventClassAccessibility,  kEventAccessibleGetNamedAttribute }
+};
+
+static CFStringRef kObjectQtAccessibility = CFSTR("com.trolltech.qt.accessibility");
+static EventHandlerUPP objectCreateEventHandlerUPP = 0;
+static EventTypeSpec objectCreateEvents[] = {
+    { kEventClassHIObject,  kEventHIObjectConstruct },
+    { kEventClassHIObject,  kEventHIObjectInitialize },
+    { kEventClassHIObject,  kEventHIObjectDestruct },
+    { kEventClassHIObject,  kEventHIObjectPrintDebugInfo }
+};
+
+static OSStatus accessibilityEventHandler(EventHandlerCallRef next_ref, EventRef event, void *data);
+static EventHandlerUPP accessibilityEventHandlerUPP = 0;
+static EventTypeSpec accessibilityEvents[] = {
+    { kEventClassAccessibility,  kEventAccessibleGetChildAtPoint },
+    { kEventClassAccessibility,  kEventAccessibleGetFocusedChild },
+    { kEventClassAccessibility,  kEventAccessibleGetAllAttributeNames },
+    { kEventClassAccessibility,  kEventAccessibleGetNamedAttribute },
+    { kEventClassAccessibility,  kEventAccessibleSetNamedAttribute },
+    { kEventClassAccessibility,  kEventAccessibleIsNamedAttributeSettable },
+    { kEventClassAccessibility,  kEventAccessibleGetAllActionNames },
+    { kEventClassAccessibility,  kEventAccessiblePerformNamedAction },
+    { kEventClassAccessibility,  kEventAccessibleGetNamedActionDescription }
+};
+
+static void installAcessibilityEventHandler(HIObjectRef hiObject)
+{
+    if (!accessibilityEventHandlerUPP)
+        accessibilityEventHandlerUPP = NewEventHandlerUPP(accessibilityEventHandler);
+
+    InstallHIObjectEventHandler(hiObject, accessibilityEventHandlerUPP,
+                                        GetEventTypeCount(accessibilityEvents),
+                                        accessibilityEvents, 0, 0);
+}
+
+static OSStatus objectCreateEventHandler(EventHandlerCallRef next_ref, EventRef event, void *data)
+{
+    Q_UNUSED(data)
+    Q_UNUSED(event)
+    Q_UNUSED(next_ref)
+    return noErr;
+}
+
+static void registerQtAccessibilityHIObjectSubclass()
+{
+    if (!objectCreateEventHandlerUPP)
+        objectCreateEventHandlerUPP = NewEventHandlerUPP(objectCreateEventHandler);
+    OSStatus err = HIObjectRegisterSubclass(kObjectQtAccessibility, 0, 0, objectCreateEventHandlerUPP,
+                                         GetEventTypeCount(objectCreateEvents), objectCreateEvents, 0, 0);
+    if (err && err != hiObjectClassExistsErr)
+        qWarning("qaccessible_mac internal error: Could not register accessibility HIObject subclass");
+}
+
+static void installApplicationEventhandler()
+{
+    if (!applicationEventHandlerUPP)
+        applicationEventHandlerUPP = NewEventHandlerUPP(applicationEventHandler);
+
+    OSStatus err = InstallApplicationEventHandler(applicationEventHandlerUPP,
+                            GetEventTypeCount(application_events), application_events,
+                            0, 0);
+
+    if (err && err != eventHandlerAlreadyInstalledErr)
+        qWarning("qaccessible_mac internal error: Could not install application accessibility event handler");
+}
+
+static void removeEventhandler(EventHandlerUPP eventHandler)
+{
+    if (eventHandler) {
+        DisposeEventHandlerUPP(eventHandler);
+        eventHandler = 0;
+    }
+}