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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_SVX_ACCESSIBLECONTROLSHAPE_HXX
+#define INCLUDED_SVX_ACCESSIBLECONTROLSHAPE_HXX
+
+#include <com/sun/star/beans/XPropertyChangeListener.hpp>
+#include <com/sun/star/container/XContainerListener.hpp>
+#include <com/sun/star/lang/EventObject.hpp>
+#include <com/sun/star/uno/Reference.hxx>
+#include <com/sun/star/util/XModeChangeListener.hpp>
+#include <comphelper/uno3.hxx>
+#include <cppuhelper/implbase4.hxx>
+#include <cppuhelper/weakref.hxx>
+#include <rtl/ref.hxx>
+#include <rtl/ustring.hxx>
+#include <sal/types.h>
+#include <svx/AccessibleShape.hxx>
+
+namespace com::sun::star {
+ namespace accessibility { class XAccessible; }
+ namespace accessibility { class XAccessibleContext; }
+ namespace accessibility { struct AccessibleEventObject; }
+ namespace accessibility { class XAccessibleRelationSet; }
+ namespace awt { class XControl; }
+ namespace beans { class XPropertySet; }
+ namespace beans { class XPropertySetInfo; }
+ namespace beans { struct PropertyChangeEvent; }
+ namespace container { struct ContainerEvent; }
+ namespace lang { class XComponent; }
+ namespace lang { class XTypeProvider; }
+ namespace uno { class XAggregation; }
+ namespace util { struct ModeChangeEvent; }
+}
+
+namespace comphelper
+{
+ class OWrappedAccessibleChildrenManager;
+}
+
+namespace accessibility {
+
+ class AccessibleShapeInfo;
+ class AccessibleShapeTreeInfo;
+
+ typedef ::cppu::ImplHelper4 < css::beans::XPropertyChangeListener
+ , css::util::XModeChangeListener
+ , css::container::XContainerListener
+ , css::accessibility::XAccessibleEventListener
+ > AccessibleControlShape_Base;
+/** @descr
+*/
+class SAL_DLLPUBLIC_RTTI AccessibleControlShape final
+ :public AccessibleShape
+ ,public AccessibleControlShape_Base
+{
+public:
+ //===== internal ========================================================
+ AccessibleControlShape(
+ const AccessibleShapeInfo& rShapeInfo,
+ const AccessibleShapeTreeInfo& rShapeTreeInfo);
+ virtual ~AccessibleControlShape( ) override;
+
+ const css::uno::Reference< css::beans::XPropertySet >& GetControlModel( ) const { return m_xControlModel;}
+ AccessibleControlShape* GetLabeledByControlShape();
+
+private:
+ //--- XAccessibleComponent -------------------------------
+ /// forward the focus to the contained control(in alive mode)
+ virtual void SAL_CALL grabFocus( ) override;
+
+ //--- XAccessibleContext ---------------------------------
+ virtual sal_Int32 SAL_CALL getAccessibleChildCount( ) override;
+ virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL getAccessibleChild( sal_Int32 i ) override;
+ virtual css::uno::Reference< css::accessibility::XAccessibleRelationSet > SAL_CALL getAccessibleRelationSet( ) override;
+
+ //--- XServiceInfo ---------------------------------------
+ virtual OUString SAL_CALL getImplementationName( ) override;
+
+ //--- XInterface -----------------------------------------
+ DECLARE_XINTERFACE( )
+
+ //--- XTypeProvider --------------------------------------
+ DECLARE_XTYPEPROVIDER( )
+
+ //--- XPropertyChangeListener ----------------------------
+ virtual void SAL_CALL propertyChange( const css::beans::PropertyChangeEvent& _rEvent ) override;
+
+ //--- XComponent -----------------------------------------
+ virtual void SAL_CALL disposing( ) override;
+
+ //--- XEventListener -------------------------------------
+ virtual void SAL_CALL disposing(const css::lang::EventObject& Source) override;
+
+ //--- XModeChangeListener --------------------------------
+ virtual void SAL_CALL modeChanged( const css::util::ModeChangeEvent& _rSource ) override;
+
+ //--- XAccessibleEventListener ----------------------------
+ virtual void SAL_CALL notifyEvent( const css::accessibility::AccessibleEventObject& aEvent ) override;
+
+ // XVclContainerListener
+ virtual void SAL_CALL elementInserted( const css::container::ContainerEvent& Event ) override;
+ virtual void SAL_CALL elementRemoved( const css::container::ContainerEvent& Event ) override;
+ virtual void SAL_CALL elementReplaced( const css::container::ContainerEvent& Event ) override;
+
+ /** Initialize a new shape. See the documentation of the base' constructor
+ for the reason of this method's existence.
+ */
+ virtual void Init( ) override;
+
+ /// Create a name string that contains the accessible name.
+ virtual OUString
+ CreateAccessibleBaseName( ) override;
+
+ /** Create a unique name string that contains the accessible name. The
+ name consists of the base name and the index.
+ */
+ virtual OUString
+ CreateAccessibleName( ) override;
+
+ /// Create a description string that contains the accessible description.
+ OUString CreateAccessibleDescription();
+
+#ifdef DBG_UTIL
+ /// Set the specified state
+ virtual bool SetState( sal_Int16 _nState ) override;
+#endif // DBG_UTIL
+
+ /// (safely) reads the given property from the model of the UNO control
+ OUString getControlModelStringProperty( const OUString& _rPropertyName ) const;
+
+ /// ensure that our control model exists(will be retrieved upon need only)
+ bool ensureControlModelAccess( );
+
+ /// ensures that we're listening for the given property if(and only if!) necessary
+ bool ensureListeningState( const bool _bCurrentlyListening, const bool _bNeedNewListening,
+ const OUString& _rPropertyName );
+
+ /// starts multiplexing the state changes of our aggregate context
+ void startStateMultiplexing( );
+ /// stops multiplexing the state changes of our aggregate context
+ void stopStateMultiplexing( );
+
+ /** adjusts our AccessibleRole, depending on the control type we're working for
+
+ <p>Only to be called during initialization</p>
+ */
+ void adjustAccessibleRole( );
+
+ /** initializes composed states of the context
+
+ <p>Some of the states of our inner context need to be propagated to the "composed context", too
+ (such as "checked" for check boxes). At lifetime, this is done by multiplexing state changes,
+ at initialization time, this method is used.</p>
+ */
+ void initializeComposedState( );
+
+ AccessibleControlShape(const AccessibleControlShape&) = delete;
+ AccessibleControlShape& operator= (const AccessibleControlShape&) = delete;
+
+ css::uno::Reference< css::beans::XPropertySet >
+ m_xControlModel;
+ css::uno::Reference< css::beans::XPropertySetInfo >
+ m_xModelPropsMeta; // cache this for performance reasons
+ css::uno::Reference< css::awt::XControl >
+ m_xUnoControl; // our UNO control
+
+ css::uno::WeakReference< css::accessibility::XAccessibleContext >
+ m_aControlContext; // the AccessibleContext of the control
+ css::uno::Reference< css::uno::XAggregation >
+ m_xControlContextProxy; // the proxy for "aggregating" the AccessibleContext of the control
+ css::uno::Reference< css::lang::XTypeProvider >
+ m_xControlContextTypeAccess; // cached interface of our aggregate
+ css::uno::Reference< css::lang::XComponent >
+ m_xControlContextComponent; // cached interface of our aggregate
+
+ rtl::Reference<::comphelper::OWrappedAccessibleChildrenManager>
+ m_pChildManager;
+
+ bool m_bListeningForName : 1; // are we currently listening for changes of the "Name" property?
+ bool m_bListeningForDesc : 1; // are we currently listening for changes of the "HelpText" property?
+ bool m_bMultiplexingStates : 1; // are we currently multiplexing state changes of the native context?
+ bool m_bDisposeNativeContext : 1; // do we need to dispose mxNativeContextComponent?
+ bool m_bWaitingForControl : 1; // if we are created before our control exists, we need to wait for it to appear ...
+};
+
+} // end of namespace accessibility
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */