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| -rw-r--r-- | editeng/source/accessibility/AccessibleImageBullet.hxx | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/editeng/source/accessibility/AccessibleImageBullet.hxx b/editeng/source/accessibility/AccessibleImageBullet.hxx new file mode 100644 index 000000000..85f1011fb --- /dev/null +++ b/editeng/source/accessibility/AccessibleImageBullet.hxx @@ -0,0 +1,202 @@ +/* -*- 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 . + */ + +#pragma once + +#include <rtl/ref.hxx> +#include <tools/gen.hxx> +#include <cppuhelper/implbase.hxx> + +#include <com/sun/star/uno/Reference.hxx> +#include <com/sun/star/lang/XServiceInfo.hpp> +#include <com/sun/star/accessibility/XAccessible.hpp> +#include <com/sun/star/accessibility/XAccessibleContext.hpp> +#include <com/sun/star/accessibility/XAccessibleComponent.hpp> +#include <com/sun/star/accessibility/XAccessibleEventBroadcaster.hpp> + +class SvxEditSource; +class SvxTextForwarder; +class SvxViewForwarder; +namespace utl { class AccessibleStateSetHelper; } + +namespace accessibility +{ + typedef ::cppu::WeakImplHelper< css::accessibility::XAccessible, + css::accessibility::XAccessibleContext, + css::accessibility::XAccessibleComponent, + css::accessibility::XAccessibleEventBroadcaster, + css::lang::XServiceInfo > AccessibleImageBulletInterfaceBase; + + /** This class implements the image bullets for the EditEngine/Outliner UAA + */ + class AccessibleImageBullet final : public AccessibleImageBulletInterfaceBase + { + + public: + /// Create accessible object for given parent + AccessibleImageBullet ( css::uno::Reference< css::accessibility::XAccessible > xParent ); + + virtual ~AccessibleImageBullet () override; + + // XAccessible + virtual css::uno::Reference< css::accessibility::XAccessibleContext > SAL_CALL getAccessibleContext( ) 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::XAccessible > SAL_CALL getAccessibleParent() override; + virtual sal_Int32 SAL_CALL getAccessibleIndexInParent() override; + virtual sal_Int16 SAL_CALL getAccessibleRole() override; + virtual OUString SAL_CALL getAccessibleDescription() override; + virtual OUString SAL_CALL getAccessibleName() override; + virtual css::uno::Reference< css::accessibility::XAccessibleRelationSet > SAL_CALL getAccessibleRelationSet() override; + virtual css::uno::Reference< css::accessibility::XAccessibleStateSet > SAL_CALL getAccessibleStateSet() override; + virtual css::lang::Locale SAL_CALL getLocale() override; + + // XAccessibleEventBroadcaster + virtual void SAL_CALL addAccessibleEventListener( const css::uno::Reference< css::accessibility::XAccessibleEventListener >& xListener ) override; + virtual void SAL_CALL removeAccessibleEventListener( const css::uno::Reference< css::accessibility::XAccessibleEventListener >& xListener ) override; + + // XAccessibleComponent + virtual sal_Bool SAL_CALL containsPoint( const css::awt::Point& aPoint ) override; + virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL getAccessibleAtPoint( const css::awt::Point& aPoint ) override; + virtual css::awt::Rectangle SAL_CALL getBounds( ) override; + virtual css::awt::Point SAL_CALL getLocation( ) override; + virtual css::awt::Point SAL_CALL getLocationOnScreen( ) override; + virtual css::awt::Size SAL_CALL getSize( ) override; + virtual void SAL_CALL grabFocus( ) override; + virtual sal_Int32 SAL_CALL getForeground( ) override; + virtual sal_Int32 SAL_CALL getBackground( ) override; + + // XServiceInfo + virtual OUString SAL_CALL getImplementationName() override; + virtual sal_Bool SAL_CALL supportsService (const OUString& sServiceName) override; + virtual css::uno::Sequence< OUString> SAL_CALL getSupportedServiceNames() override; + + /** Set the current index in the accessibility parent + + @attention This method does not lock the SolarMutex, + leaving that to the calling code. This is because only + there potential deadlock situations can be resolved. Thus, + make sure SolarMutex is locked when calling this. + */ + void SetIndexInParent( sal_Int32 nIndex ); + + /** Set the edit engine offset + + @attention This method does not lock the SolarMutex, + leaving that to the calling code. This is because only + there potential deadlock situations can be resolved. Thus, + make sure SolarMutex is locked when calling this. + */ + void SetEEOffset( const Point& rOffset ); + + /** Set the EditEngine offset + + @attention This method does not lock the SolarMutex, + leaving that to the calling code. This is because only + there potential deadlock situations can be resolved. Thus, + make sure SolarMutex is locked when calling this. + */ + void SetEditSource( SvxEditSource* pEditSource ); + + /** Dispose this object + + Notifies and deregisters the listeners, drops all references. + */ + void Dispose(); + + /** Set the current paragraph number + + @attention This method does not lock the SolarMutex, + leaving that to the calling code. This is because only + there potential deadlock situations can be resolved. Thus, + make sure SolarMutex is locked when calling this. + */ + void SetParagraphIndex( sal_Int32 nIndex ); + + /** Query the current paragraph number (0 - nParas-1) + + @attention This method does not lock the SolarMutex, + leaving that to the calling code. This is because only + there potential deadlock situations can be resolved. Thus, + make sure SolarMutex is locked when calling this. + */ + sal_Int32 GetParagraphIndex() const { return mnParagraphIndex; } + + /// Calls all Listener objects to tell them the change. Don't hold locks when calling this! + void FireEvent(const sal_Int16 nEventId, const css::uno::Any& rNewValue, const css::uno::Any& rOldValue = css::uno::Any() ) const; + + private: + AccessibleImageBullet( const AccessibleImageBullet& ) = delete; + AccessibleImageBullet& operator= ( const AccessibleImageBullet& ) = delete; + + // maintain state set and send STATE_CHANGE events + void SetState( const sal_Int16 nStateId ); + void UnSetState( const sal_Int16 nStateId ); + + SvxEditSource& GetEditSource() const; + + int getNotifierClientId() const { return mnNotifierClientId; } + + /** Query the SvxTextForwarder for EditEngine access. + + @attention This method does not lock the SolarMutex, + leaving that to the calling code. This is because only + there potential deadlock situations can be resolved. Thus, + make sure SolarMutex is locked when calling this. + */ + SvxTextForwarder& GetTextForwarder() const; + + /** Query the SvxViewForwarder for EditEngine access. + + @attention This method does not lock the SolarMutex, + leaving that to the calling code. This is because only + there potential deadlock situations can be resolved. Thus, + make sure SolarMutex is locked when calling this. + */ + SvxViewForwarder& GetViewForwarder() const; + + css::awt::Rectangle implGetBounds(); + + // the paragraph index in the edit engine (guarded by solar mutex) + sal_Int32 mnParagraphIndex; + + // our current index in the parent (guarded by solar mutex) + sal_Int32 mnIndexInParent; + + // the current edit source (guarded by solar mutex) + SvxEditSource* mpEditSource; + + // the offset of the underlying EditEngine from the shape/cell (guarded by solar mutex) + Point maEEOffset; + + // the current state set (updated from SetState/UnSetState and guarded by solar mutex) + rtl::Reference< utl::AccessibleStateSetHelper > mxStateSet; + + /// The shape we're the accessible for (unguarded) + css::uno::Reference< css::accessibility::XAccessible > mxParent; + + /// Our listeners (guarded by maMutex) + int mnNotifierClientId; + }; + +} // end of namespace accessibility + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |