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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 .
*/
#pragma once
#include <tools/color.hxx>
#include <vcl/image.hxx>
#include <cppuhelper/implbase.hxx>
#include <comphelper/compbase.hxx>
#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/XAccessibleSelection.hpp>
#include <com/sun/star/accessibility/XAccessibleEventBroadcaster.hpp>
#include <mutex>
#include <vector>
#define VALUESET_ITEM_NONEITEM 0xFFFE
enum ValueSetItemType
{
VALUESETITEM_NONE,
VALUESETITEM_IMAGE,
VALUESETITEM_IMAGE_AND_TEXT,
VALUESETITEM_COLOR,
VALUESETITEM_USERDRAW
};
class ValueItemAcc;
class ValueSet;
struct ValueSetItem
{
ValueSet& mrParent;
OUString maText;
void* mpData;
rtl::Reference< ValueItemAcc > mxAcc;
Image maImage;
Color maColor;
sal_uInt16 mnId;
sal_uInt8 meType;
bool mbVisible;
explicit ValueSetItem( ValueSet& rParent );
~ValueSetItem();
css::uno::Reference< css::accessibility::XAccessible >
GetAccessible( bool bIsTransientChildrenDisabled );
};
typedef comphelper::WeakComponentImplHelper<
css::accessibility::XAccessible,
css::accessibility::XAccessibleEventBroadcaster,
css::accessibility::XAccessibleContext,
css::accessibility::XAccessibleComponent,
css::accessibility::XAccessibleSelection >
ValueSetAccComponentBase;
class ValueSetAcc final : public ValueSetAccComponentBase
{
public:
explicit ValueSetAcc(ValueSet* pParent);
virtual ~ValueSetAcc() override;
void FireAccessibleEvent( short nEventId, const css::uno::Any& rOldValue, const css::uno::Any& rNewValue );
bool HasAccessibleListeners() const { return( mxEventListeners.size() > 0 ); }
public:
/** Called by the corresponding ValueSet when it gets the focus.
Stores the new focus state and broadcasts a state change event.
*/
void GetFocus();
/** Called by the corresponding ValueSet when it loses the focus.
Stores the new focus state and broadcasts a state change event.
*/
void LoseFocus();
/** Called by the corresponding ValueSet when it gets destroyed. */
void Invalidate();
// XAccessible
virtual css::uno::Reference< css::accessibility::XAccessibleContext > SAL_CALL getAccessibleContext( ) 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;
// XAccessibleContext
virtual sal_Int64 SAL_CALL getAccessibleChildCount( ) override;
virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL getAccessibleChild( sal_Int64 i ) override;
virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL getAccessibleParent( ) override;
virtual sal_Int64 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 sal_Int64 SAL_CALL getAccessibleStateSet( ) override;
virtual css::lang::Locale SAL_CALL getLocale( ) 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;
// XAccessibleSelection
virtual void SAL_CALL selectAccessibleChild( sal_Int64 nChildIndex ) override;
virtual sal_Bool SAL_CALL isAccessibleChildSelected( sal_Int64 nChildIndex ) override;
virtual void SAL_CALL clearAccessibleSelection( ) override;
virtual void SAL_CALL selectAllAccessibleChildren( ) override;
virtual sal_Int64 SAL_CALL getSelectedAccessibleChildCount( ) override;
virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL getSelectedAccessibleChild( sal_Int64 nSelectedChildIndex ) override;
virtual void SAL_CALL deselectAccessibleChild( sal_Int64 nSelectedChildIndex ) override;
private:
::std::vector< css::uno::Reference<
css::accessibility::XAccessibleEventListener > > mxEventListeners;
ValueSet* mpParent;
/// The current FOCUSED state.
bool mbIsFocused;
/** Tell all listeners that the object is dying. This callback is
usually called from the WeakComponentImplHelper class.
*/
virtual void disposing(std::unique_lock<std::mutex>&) override;
/** Return the number of items. This takes the None-Item into account.
*/
sal_uInt16 getItemCount() const;
/** Return the item associated with the given index. The None-Item is
taken into account which, when present, is taken to be the first
(with index 0) item.
@param nIndex
Index of the item to return. The index 0 denotes the None-Item
when present.
@return
Returns NULL when the given index is out of range.
*/
ValueSetItem* getItem (sal_uInt16 nIndex) const;
/** Check whether or not the object has been disposed (or is in the
state of being disposed). If that is the case then
DisposedException is thrown to inform the (indirect) caller of the
foul deed.
@param bCheckValueSet
Whether to also check that the ValueSet (parent)
is non-null.
@throws css::lang::DisposedException
*/
void ThrowIfDisposed(bool bCheckParent = true);
/** Check whether the value set has a 'none' field, i.e. a field (button)
that deselects any items (selects none of them).
@return
Returns <true/> if there is a 'none' field and <false/> if it is
missing.
*/
bool HasNoneField() const;
};
class ValueItemAcc : public ::cppu::WeakImplHelper< css::accessibility::XAccessible,
css::accessibility::XAccessibleEventBroadcaster,
css::accessibility::XAccessibleContext,
css::accessibility::XAccessibleComponent >
{
private:
::std::vector< css::uno::Reference<
css::accessibility::XAccessibleEventListener > > mxEventListeners;
std::mutex maMutex;
ValueSetItem* mpParent;
bool mbIsTransientChildrenDisabled;
public:
ValueItemAcc(ValueSetItem* pParent, bool bIsTransientChildrenDisabled);
virtual ~ValueItemAcc() override;
void ParentDestroyed();
void FireAccessibleEvent( short nEventId, const css::uno::Any& rOldValue, const css::uno::Any& rNewValue );
static ValueItemAcc* getImplementation( const css::uno::Reference< css::uno::XInterface >& rxData ) noexcept;
public:
// XAccessible
virtual css::uno::Reference< css::accessibility::XAccessibleContext > SAL_CALL getAccessibleContext( ) 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;
// XAccessibleContext
virtual sal_Int64 SAL_CALL getAccessibleChildCount( ) override;
virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL getAccessibleChild( sal_Int64 i ) override;
virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL getAccessibleParent( ) override;
virtual sal_Int64 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 sal_Int64 SAL_CALL getAccessibleStateSet( ) override;
virtual css::lang::Locale SAL_CALL getLocale( ) 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;
};
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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