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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /include/unotools/accessiblestatesethelper.hxx
parentInitial commit. (diff)
downloadlibreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz
libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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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_UNOTOOLS_ACCESSIBLESTATESETHELPER_HXX
+#define INCLUDED_UNOTOOLS_ACCESSIBLESTATESETHELPER_HXX
+
+#include <unotools/unotoolsdllapi.h>
+
+#include <com/sun/star/accessibility/XAccessibleStateSet.hpp>
+#include <cppuhelper/implbase.hxx>
+#include <mutex>
+
+//= XAccessibleStateSet helper classes
+
+//... namespace utl .......................................................
+namespace utl
+{
+/** @descr
+ This base class provides an implementation of the
+ <code>AccessibleStateSet</code> service.
+*/
+class UNOTOOLS_DLLPUBLIC AccessibleStateSetHelper final
+ : public cppu::WeakImplHelper<css::accessibility::XAccessibleStateSet>
+{
+public:
+ //===== internal ========================================================
+
+ AccessibleStateSetHelper();
+ /** constructs an object with some states initially set
+
+ <p>This ctor is compatible with
+ <method scope="comphelper">OAccessibleImplementationAccess::implGetForeignControlledStates</method></p>
+
+ @param _nInitialStates
+ is a bit mask. Every bit 2^n means that the state number n (as got from the
+ AccessibleStateType constants) should be set initially.
+ */
+ AccessibleStateSetHelper(const sal_Int64 _nInitialStates);
+
+ AccessibleStateSetHelper(const AccessibleStateSetHelper& rHelper);
+
+private:
+ virtual ~AccessibleStateSetHelper() override;
+
+public:
+ //===== XAccessibleStateSet ==============================================
+
+ /** Checks whether the current state set is empty.
+
+ @return
+ Returns <TRUE/> if there is no state in this state set and
+ <FALSE/> if there is at least one state set in it.
+ */
+ virtual sal_Bool SAL_CALL isEmpty() override;
+
+ /** Checks if the given state is a member of the state set of this
+ object.
+
+ @param aState
+ The state for which to check membership. This has to be one of
+ the constants of AccessibleStateType.
+
+ @return
+ Returns <TRUE/> if the given state is a member of this object's
+ state set and <FALSE/> otherwise.
+ */
+ virtual sal_Bool SAL_CALL contains(sal_Int16 aState) override;
+
+ /** Checks if all of the given states are in this object's state
+ set.
+
+ @param aStateSet
+ This sequence of states is interpreted as set and every of its
+ members, duplicates are ignored, is checked for membership in
+ this object's state set. Each state has to be one of the
+ constants of AccessibleStateType.
+
+ @return
+ Returns <TRUE/> if all states of the given state set are members
+ of this object's state set. <FALSE/> is returned if at least
+ one of the states in the given state is not a member of this
+ object's state set.
+ */
+ virtual sal_Bool SAL_CALL containsAll(const css::uno::Sequence<sal_Int16>& rStateSet) override;
+
+ /** Returns a sequence of all states.
+ */
+ virtual css::uno::Sequence<sal_Int16> SAL_CALL getStates() override;
+
+ /** Adds a state to the set.
+
+ @throws css::uno::RuntimeException
+ */
+ void AddState(sal_Int16 aState);
+
+ /** Removes a state from the set if the set contains the state, otherwise nothing is done.
+
+ @throws css::uno::RuntimeException
+ */
+ void RemoveState(sal_Int16 aState);
+
+ //===== XTypeProvider ===================================================
+
+ /** Returns a sequence of all supported interfaces.
+ */
+ virtual css::uno::Sequence<css::uno::Type> SAL_CALL getTypes() override;
+
+ /** Returns an implementation id.
+ */
+ virtual css::uno::Sequence<sal_Int8> SAL_CALL getImplementationId() override;
+
+private:
+ /// Mutex guarding this object.
+ std::mutex maMutex;
+ /// The implementation of this helper interface.
+ sal_uInt64 maStates;
+};
+}
+//... namespace utl .......................................................
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */