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Diffstat (limited to 'toolkit/source/awt/vclxaccessiblecomponent.cxx')
| -rw-r--r-- | toolkit/source/awt/vclxaccessiblecomponent.cxx | 926 |
1 files changed, 926 insertions, 0 deletions
diff --git a/toolkit/source/awt/vclxaccessiblecomponent.cxx b/toolkit/source/awt/vclxaccessiblecomponent.cxx new file mode 100644 index 000000000000..66a2a4bf1cb3 --- /dev/null +++ b/toolkit/source/awt/vclxaccessiblecomponent.cxx @@ -0,0 +1,926 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_toolkit.hxx" + + +#include <com/sun/star/accessibility/AccessibleRole.hpp> +#include <com/sun/star/accessibility/AccessibleStateType.hpp> +#include <com/sun/star/accessibility/AccessibleEventId.hpp> +#include <com/sun/star/accessibility/XAccessibleEventListener.hpp> +#include <com/sun/star/accessibility/AccessibleRelationType.hpp> +#include <toolkit/awt/vclxaccessiblecomponent.hxx> +#include <toolkit/helper/externallock.hxx> +#include <toolkit/awt/vclxwindow.hxx> +#include <toolkit/helper/convert.hxx> +#include <toolkit/awt/vclxfont.hxx> +#include <vcl/dialog.hxx> +#include <vcl/window.hxx> +#include <tools/debug.hxx> +#include <unotools/accessiblestatesethelper.hxx> +#include <unotools/accessiblerelationsethelper.hxx> +#include <vcl/svapp.hxx> +#include <vcl/menu.hxx> + +#ifndef VCLEVENT_WINDOW_FRAMETITLECHANGED +#define VCLEVENT_WINDOW_FRAMETITLECHANGED 1018 // pData = XubString* = oldTitle +#endif + +using namespace ::com::sun::star; +using namespace ::comphelper; + + +DBG_NAME(VCLXAccessibleComponent) + + +// ---------------------------------------------------- +// class VCLXAccessibleComponent +// ---------------------------------------------------- +VCLXAccessibleComponent::VCLXAccessibleComponent( VCLXWindow* pVCLXindow ) + : AccessibleExtendedComponentHelper_BASE( new VCLExternalSolarLock() ) + , OAccessibleImplementationAccess( ) +{ + DBG_CTOR( VCLXAccessibleComponent, 0 ); + mpVCLXindow = pVCLXindow; + mxWindow = pVCLXindow; + + m_pSolarLock = static_cast< VCLExternalSolarLock* >( getExternalLock( ) ); + + DBG_ASSERT( pVCLXindow->GetWindow(), "VCLXAccessibleComponent - no window!" ); + if ( pVCLXindow->GetWindow() ) + { + pVCLXindow->GetWindow()->AddEventListener( LINK( this, VCLXAccessibleComponent, WindowEventListener ) ); + pVCLXindow->GetWindow()->AddChildEventListener( LINK( this, VCLXAccessibleComponent, WindowChildEventListener ) ); + } + + // announce the XAccessible of our creator to the base class + lateInit( pVCLXindow ); +} + +VCLXAccessibleComponent::~VCLXAccessibleComponent() +{ + DBG_DTOR( VCLXAccessibleComponent, 0 ); + + ensureDisposed(); + + if ( mpVCLXindow && mpVCLXindow->GetWindow() ) + { + mpVCLXindow->GetWindow()->RemoveEventListener( LINK( this, VCLXAccessibleComponent, WindowEventListener ) ); + mpVCLXindow->GetWindow()->RemoveChildEventListener( LINK( this, VCLXAccessibleComponent, WindowChildEventListener ) ); + } + + delete m_pSolarLock; + m_pSolarLock = NULL; + // This is not completely safe. If we assume that the base class dtor calls some method which + // uses this lock, the we crash. However, as the base class' dtor does not have a chance to call _out_ + // virtual methods, this is no problem as long as the base class is safe, i.e. does not use the external + // lock from within it's dtor. At the moment, we _know_ the base class is safe in this respect, so + // let's assume it keeps this way. + // @see OAccessibleContextHelper::OAccessibleContextHelper( IMutex* ) +} + +IMPLEMENT_FORWARD_XINTERFACE3( VCLXAccessibleComponent, AccessibleExtendedComponentHelper_BASE, OAccessibleImplementationAccess, VCLXAccessibleComponent_BASE ) +IMPLEMENT_FORWARD_XTYPEPROVIDER3( VCLXAccessibleComponent, AccessibleExtendedComponentHelper_BASE, OAccessibleImplementationAccess, VCLXAccessibleComponent_BASE ) + +::rtl::OUString VCLXAccessibleComponent::getImplementationName() throw (uno::RuntimeException) +{ + return ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.comp.toolkit.AccessibleWindow")); +} + +sal_Bool VCLXAccessibleComponent::supportsService( const ::rtl::OUString& rServiceName ) throw (uno::RuntimeException) +{ + uno::Sequence< ::rtl::OUString > aNames( getSupportedServiceNames() ); + const ::rtl::OUString* pNames = aNames.getConstArray(); + const ::rtl::OUString* pEnd = pNames + aNames.getLength(); + for ( ; pNames != pEnd && !pNames->equals( rServiceName ); ++pNames ) + ; + + return pNames != pEnd; +} + +uno::Sequence< ::rtl::OUString > VCLXAccessibleComponent::getSupportedServiceNames() throw (uno::RuntimeException) +{ + uno::Sequence< ::rtl::OUString > aNames(1); + aNames[0] = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.awt.AccessibleWindow")); + return aNames; +} + +IMPL_LINK( VCLXAccessibleComponent, WindowEventListener, VclSimpleEvent*, pEvent ) +{ + DBG_CHKTHIS(VCLXAccessibleComponent,0); + + DBG_ASSERT( pEvent && pEvent->ISA( VclWindowEvent ), "Unknown WindowEvent!" ); + + /* Ignore VCLEVENT_WINDOW_ENDPOPUPMODE, because the UNO accessibility wrapper + * might have been destroyed by the previous VCLEventListener (if no AT tool + * is running), e.g. sub-toolbars in impress. + */ + if ( pEvent && pEvent->ISA( VclWindowEvent ) && mxWindow.is() /* #122218# */ && (pEvent->GetId() != VCLEVENT_WINDOW_ENDPOPUPMODE) ) + { + DBG_ASSERT( ((VclWindowEvent*)pEvent)->GetWindow(), "Window???" ); + if( !((VclWindowEvent*)pEvent)->GetWindow()->IsAccessibilityEventsSuppressed() || ( pEvent->GetId() == VCLEVENT_OBJECT_DYING ) ) + { + ProcessWindowEvent( *(VclWindowEvent*)pEvent ); + } + } + return 0; +} + +IMPL_LINK( VCLXAccessibleComponent, WindowChildEventListener, VclSimpleEvent*, pEvent ) +{ + DBG_CHKTHIS(VCLXAccessibleComponent,0); + + DBG_ASSERT( pEvent && pEvent->ISA( VclWindowEvent ), "Unknown WindowEvent!" ); + if ( pEvent && pEvent->ISA( VclWindowEvent ) && mxWindow.is() /* #i68079# */ ) + { + DBG_ASSERT( ((VclWindowEvent*)pEvent)->GetWindow(), "Window???" ); + if( !((VclWindowEvent*)pEvent)->GetWindow()->IsAccessibilityEventsSuppressed() ) + { + // #103087# to prevent an early release of the component + uno::Reference< accessibility::XAccessibleContext > xTmp = this; + + ProcessWindowChildEvent( *(VclWindowEvent*)pEvent ); + } + } + return 0; +} + +uno::Reference< accessibility::XAccessible > VCLXAccessibleComponent::GetChildAccessible( const VclWindowEvent& rVclWindowEvent ) +{ + // checks if the data in the window event is our direct child + // and returns its accessible + + // MT: Change this later, normaly a show/hide event shouldn't have the Window* in pData. + Window* pChildWindow = (Window *) rVclWindowEvent.GetData(); + if( pChildWindow && GetWindow() == pChildWindow->GetAccessibleParentWindow() ) + return pChildWindow->GetAccessible( rVclWindowEvent.GetId() == VCLEVENT_WINDOW_SHOW ); + else + return uno::Reference< accessibility::XAccessible > (); +} + +void VCLXAccessibleComponent::ProcessWindowChildEvent( const VclWindowEvent& rVclWindowEvent ) +{ + uno::Any aOldValue, aNewValue; + uno::Reference< accessibility::XAccessible > xAcc; + + switch ( rVclWindowEvent.GetId() ) + { + case VCLEVENT_WINDOW_SHOW: // send create on show for direct accessible children + { + xAcc = GetChildAccessible( rVclWindowEvent ); + if( xAcc.is() ) + { + aNewValue <<= xAcc; + NotifyAccessibleEvent( accessibility::AccessibleEventId::CHILD, aOldValue, aNewValue ); + } + } + break; + case VCLEVENT_WINDOW_HIDE: // send destroy on hide for direct accessible children + { + xAcc = GetChildAccessible( rVclWindowEvent ); + if( xAcc.is() ) + { + aOldValue <<= xAcc; + NotifyAccessibleEvent( accessibility::AccessibleEventId::CHILD, aOldValue, aNewValue ); + } + } + break; + } +} + +void VCLXAccessibleComponent::ProcessWindowEvent( const VclWindowEvent& rVclWindowEvent ) +{ + uno::Any aOldValue, aNewValue; + + Window* pAccWindow = rVclWindowEvent.GetWindow(); + DBG_ASSERT( pAccWindow, "VCLXAccessibleComponent::ProcessWindowEvent - Window?" ); + + switch ( rVclWindowEvent.GetId() ) + { + case VCLEVENT_OBJECT_DYING: + { + pAccWindow->RemoveEventListener( LINK( this, VCLXAccessibleComponent, WindowEventListener ) ); + pAccWindow->RemoveChildEventListener( LINK( this, VCLXAccessibleComponent, WindowChildEventListener ) ); + mxWindow.clear(); + mpVCLXindow = NULL; + } + break; + // + // dont handle CHILDCREATED events here + // they are handled separately as child events, see ProcessWindowChildEvent above + // + /* + case VCLEVENT_WINDOW_CHILDCREATED: + { + Window* pWindow = (Window*) rVclWindowEvent.GetData(); + DBG_ASSERT( pWindow, "VCLEVENT_WINDOW_CHILDCREATED - Window=?" ); + aNewValue <<= pWindow->GetAccessible(); + NotifyAccessibleEvent( accessibility::AccessibleEventId::CHILD, aOldValue, aNewValue ); + } + break; + */ + case VCLEVENT_WINDOW_CHILDDESTROYED: + { + Window* pWindow = (Window*) rVclWindowEvent.GetData(); + DBG_ASSERT( pWindow, "VCLEVENT_WINDOW_CHILDDESTROYED - Window=?" ); + if ( pWindow->GetAccessible( sal_False ).is() ) + { + aOldValue <<= pWindow->GetAccessible( sal_False ); + NotifyAccessibleEvent( accessibility::AccessibleEventId::CHILD, aOldValue, aNewValue ); + } + } + break; + + // + // show and hide will be handled as child events only and are + // responsible for sending create/destroy events, see ProcessWindowChildEvent above + // + /* + case VCLEVENT_WINDOW_SHOW: + { + aNewValue <<= accessibility::AccessibleStateType::VISIBLE; + NotifyAccessibleEvent( accessibility::AccessibleEventId::STATE_CHANGED, aOldValue, aNewValue ); + + aNewValue <<= accessibility::AccessibleStateType::SHOWING; + NotifyAccessibleEvent( accessibility::AccessibleEventId::STATE_CHANGED, aOldValue, aNewValue ); + + aNewValue.clear(); + aOldValue <<= accessibility::AccessibleStateType::INVALID; + NotifyAccessibleEvent( accessibility::AccessibleEventId::STATE_CHANGED, aOldValue, aNewValue ); + } + break; + case VCLEVENT_WINDOW_HIDE: + { + aOldValue <<= accessibility::AccessibleStateType::VISIBLE; + NotifyAccessibleEvent( accessibility::AccessibleEventId::STATE_CHANGED, aOldValue, aNewValue ); + + aOldValue <<= accessibility::AccessibleStateType::SHOWING; + NotifyAccessibleEvent( accessibility::AccessibleEventId::STATE_CHANGED, aOldValue, aNewValue ); + + aOldValue.clear(); + aNewValue <<= accessibility::AccessibleStateType::INVALID; + NotifyAccessibleEvent( accessibility::AccessibleEventId::STATE_CHANGED, aOldValue, aNewValue ); + } + break; + */ + case VCLEVENT_WINDOW_ACTIVATE: + { + // avoid notification if a child frame is already active + // only one frame may be active at a given time + if ( !pAccWindow->HasActiveChildFrame() && + ( getAccessibleRole() == accessibility::AccessibleRole::FRAME || + getAccessibleRole() == accessibility::AccessibleRole::ALERT || + getAccessibleRole() == accessibility::AccessibleRole::DIALOG ) ) // #i18891# + { + aNewValue <<= accessibility::AccessibleStateType::ACTIVE; + NotifyAccessibleEvent( accessibility::AccessibleEventId::STATE_CHANGED, aOldValue, aNewValue ); + } + } + break; + case VCLEVENT_WINDOW_DEACTIVATE: + { + if ( getAccessibleRole() == accessibility::AccessibleRole::FRAME || + getAccessibleRole() == accessibility::AccessibleRole::ALERT || + getAccessibleRole() == accessibility::AccessibleRole::DIALOG ) // #i18891# + { + aOldValue <<= accessibility::AccessibleStateType::ACTIVE; + NotifyAccessibleEvent( accessibility::AccessibleEventId::STATE_CHANGED, aOldValue, aNewValue ); + } + } + break; + case VCLEVENT_WINDOW_GETFOCUS: + case VCLEVENT_CONTROL_GETFOCUS: + { + if( (pAccWindow->IsCompoundControl() && rVclWindowEvent.GetId() == VCLEVENT_CONTROL_GETFOCUS) || + (!pAccWindow->IsCompoundControl() && rVclWindowEvent.GetId() == VCLEVENT_WINDOW_GETFOCUS) ) + { + // if multiple listeners were registered it is possible that the + // focus was changed during event processing (eg SfxTopWindow ) + // #106082# allow ChildPathFocus only for CompoundControls, for windows the focus must be in the window itself + if( (pAccWindow->IsCompoundControl() && pAccWindow->HasChildPathFocus()) || + (!pAccWindow->IsCompoundControl() && pAccWindow->HasFocus()) ) + { + aNewValue <<= accessibility::AccessibleStateType::FOCUSED; + NotifyAccessibleEvent( accessibility::AccessibleEventId::STATE_CHANGED, aOldValue, aNewValue ); + } + } + } + break; + case VCLEVENT_WINDOW_LOSEFOCUS: + case VCLEVENT_CONTROL_LOSEFOCUS: + { + if( (pAccWindow->IsCompoundControl() && rVclWindowEvent.GetId() == VCLEVENT_CONTROL_LOSEFOCUS) || + (!pAccWindow->IsCompoundControl() && rVclWindowEvent.GetId() == VCLEVENT_WINDOW_LOSEFOCUS) ) + { + aOldValue <<= accessibility::AccessibleStateType::FOCUSED; + NotifyAccessibleEvent( accessibility::AccessibleEventId::STATE_CHANGED, aOldValue, aNewValue ); + } + } + break; + case VCLEVENT_WINDOW_FRAMETITLECHANGED: + { + ::rtl::OUString aOldName( *((::rtl::OUString*) rVclWindowEvent.GetData()) ); + ::rtl::OUString aNewName( getAccessibleName() ); + aOldValue <<= aOldName; + aNewValue <<= aNewName; + NotifyAccessibleEvent( accessibility::AccessibleEventId::NAME_CHANGED, aOldValue, aNewValue ); + } + break; + case VCLEVENT_WINDOW_ENABLED: + { + aNewValue <<= accessibility::AccessibleStateType::ENABLED; + NotifyAccessibleEvent( accessibility::AccessibleEventId::STATE_CHANGED, aOldValue, aNewValue ); + aNewValue <<= accessibility::AccessibleStateType::SENSITIVE; + NotifyAccessibleEvent( accessibility::AccessibleEventId::STATE_CHANGED, aOldValue, aNewValue ); + } + break; + case VCLEVENT_WINDOW_DISABLED: + { + aOldValue <<= accessibility::AccessibleStateType::SENSITIVE; + NotifyAccessibleEvent( accessibility::AccessibleEventId::STATE_CHANGED, aOldValue, aNewValue ); + + aOldValue <<= accessibility::AccessibleStateType::ENABLED; + NotifyAccessibleEvent( accessibility::AccessibleEventId::STATE_CHANGED, aOldValue, aNewValue ); + } + break; + case VCLEVENT_WINDOW_MOVE: + case VCLEVENT_WINDOW_RESIZE: + { + NotifyAccessibleEvent( accessibility::AccessibleEventId::BOUNDRECT_CHANGED, aOldValue, aNewValue ); + } + break; + case VCLEVENT_WINDOW_MENUBARADDED: + { + MenuBar* pMenuBar = (MenuBar*) rVclWindowEvent.GetData(); + if ( pMenuBar ) + { + uno::Reference< accessibility::XAccessible > xChild( pMenuBar->GetAccessible() ); + if ( xChild.is() ) + { + aNewValue <<= xChild; + NotifyAccessibleEvent( accessibility::AccessibleEventId::CHILD, aOldValue, aNewValue ); + } + } + } + break; + case VCLEVENT_WINDOW_MENUBARREMOVED: + { + MenuBar* pMenuBar = (MenuBar*) rVclWindowEvent.GetData(); + if ( pMenuBar ) + { + uno::Reference< accessibility::XAccessible > xChild( pMenuBar->GetAccessible() ); + if ( xChild.is() ) + { + aOldValue <<= xChild; + NotifyAccessibleEvent( accessibility::AccessibleEventId::CHILD, aOldValue, aNewValue ); + } + } + } + break; + case VCLEVENT_WINDOW_MINIMIZE: + { + aNewValue <<= accessibility::AccessibleStateType::ICONIFIED; + NotifyAccessibleEvent( accessibility::AccessibleEventId::STATE_CHANGED, aOldValue, aNewValue ); + } + break; + case VCLEVENT_WINDOW_NORMALIZE: + { + aOldValue <<= accessibility::AccessibleStateType::ICONIFIED; + NotifyAccessibleEvent( accessibility::AccessibleEventId::STATE_CHANGED, aOldValue, aNewValue ); + } + break; + default: + { + } + break; + } +} + +void VCLXAccessibleComponent::disposing() +{ + if ( mpVCLXindow && mpVCLXindow->GetWindow() ) + { + mpVCLXindow->GetWindow()->RemoveEventListener( LINK( this, VCLXAccessibleComponent, WindowEventListener ) ); + mpVCLXindow->GetWindow()->RemoveChildEventListener( LINK( this, VCLXAccessibleComponent, WindowChildEventListener ) ); + } + + AccessibleExtendedComponentHelper_BASE::disposing(); + + mxWindow.clear(); + mpVCLXindow = NULL; +} + +Window* VCLXAccessibleComponent::GetWindow() const +{ + return GetVCLXWindow() ? GetVCLXWindow()->GetWindow() : NULL; +} + +void VCLXAccessibleComponent::FillAccessibleRelationSet( utl::AccessibleRelationSetHelper& rRelationSet ) +{ + Window* pWindow = GetWindow(); + if ( pWindow ) + { + Window *pLabeledBy = pWindow->GetAccessibleRelationLabeledBy(); + if ( pLabeledBy && pLabeledBy != pWindow ) + { + uno::Sequence< uno::Reference< uno::XInterface > > aSequence(1); + aSequence[0] = pLabeledBy->GetAccessible(); + rRelationSet.AddRelation( accessibility::AccessibleRelation( accessibility::AccessibleRelationType::LABELED_BY, aSequence ) ); + } + + Window* pLabelFor = pWindow->GetAccessibleRelationLabelFor(); + if ( pLabelFor && pLabelFor != pWindow ) + { + uno::Sequence< uno::Reference< uno::XInterface > > aSequence(1); + aSequence[0] = pLabelFor->GetAccessible(); + rRelationSet.AddRelation( accessibility::AccessibleRelation( accessibility::AccessibleRelationType::LABEL_FOR, aSequence ) ); + } + } +} + +void VCLXAccessibleComponent::FillAccessibleStateSet( utl::AccessibleStateSetHelper& rStateSet ) +{ + Window* pWindow = GetWindow(); + if ( pWindow ) + { + if ( pWindow->IsVisible() ) + { + rStateSet.AddState( accessibility::AccessibleStateType::VISIBLE ); + rStateSet.AddState( accessibility::AccessibleStateType::SHOWING ); + } + else + { + rStateSet.AddState( accessibility::AccessibleStateType::INVALID ); + } + + if ( pWindow->IsEnabled() ) + { + rStateSet.AddState( accessibility::AccessibleStateType::ENABLED ); + rStateSet.AddState( accessibility::AccessibleStateType::SENSITIVE ); + } + + if ( pWindow->HasChildPathFocus() && + ( getAccessibleRole() == accessibility::AccessibleRole::FRAME || + getAccessibleRole() == accessibility::AccessibleRole::ALERT || + getAccessibleRole() == accessibility::AccessibleRole::DIALOG ) ) // #i18891# + rStateSet.AddState( accessibility::AccessibleStateType::ACTIVE ); + + // #104290# MT: This way, a ComboBox doesn't get state FOCUSED. + // I also don't understand + // a) why WINDOW_FIRSTCHILD is used here (which btw is a border window in the case of a combo box) + // b) why HasFocus() is nout "enough" for a compound control + /* + Window* pChild = pWindow->GetWindow( WINDOW_FIRSTCHILD ); + if ( ( !pWindow->IsCompoundControl() && pWindow->HasFocus() ) || + ( pWindow->IsCompoundControl() && pChild && pChild->HasFocus() ) ) + rStateSet.AddState( accessibility::AccessibleStateType::FOCUSED ); + */ + if ( pWindow->HasFocus() || ( pWindow->IsCompoundControl() && pWindow->HasChildPathFocus() ) ) + rStateSet.AddState( accessibility::AccessibleStateType::FOCUSED ); + + if ( pWindow->IsWait() ) + rStateSet.AddState( accessibility::AccessibleStateType::BUSY ); + + if ( pWindow->GetStyle() & WB_SIZEABLE ) + rStateSet.AddState( accessibility::AccessibleStateType::RESIZABLE ); + + if( pWindow->IsDialog() ) + { + Dialog *pDlg = static_cast< Dialog* >( pWindow ); + if( pDlg->IsInExecute() ) + rStateSet.AddState( accessibility::AccessibleStateType::MODAL ); + } + } + else + { + rStateSet.AddState( accessibility::AccessibleStateType::DEFUNC ); + } + +/* + +MUST BE SET FROM DERIVED CLASSES: + +CHECKED +COLLAPSED +EXPANDED +EXPANDABLE +EDITABLE +FOCUSABLE +HORIZONTAL +VERTICAL +ICONIFIED +MULTILINE +MULTI_SELECTABLE +PRESSED +SELECTABLE +SELECTED +SINGLE_LINE +TRANSIENT + + */ +} + + +// accessibility::XAccessibleContext +sal_Int32 VCLXAccessibleComponent::getAccessibleChildCount() throw (uno::RuntimeException) +{ + OExternalLockGuard aGuard( this ); + + sal_Int32 nChildren = 0; + if ( GetWindow() ) + nChildren = GetWindow()->GetAccessibleChildWindowCount(); + + return nChildren; +} + +uno::Reference< accessibility::XAccessible > VCLXAccessibleComponent::getAccessibleChild( sal_Int32 i ) throw (lang::IndexOutOfBoundsException, uno::RuntimeException) +{ + OExternalLockGuard aGuard( this ); + + if ( i >= getAccessibleChildCount() ) + throw lang::IndexOutOfBoundsException(); + + uno::Reference< accessibility::XAccessible > xAcc; + if ( GetWindow() ) + { + Window* pChild = GetWindow()->GetAccessibleChildWindow( (sal_uInt16)i ); + if ( pChild ) + xAcc = pChild->GetAccessible(); + } + + return xAcc; +} + +uno::Reference< accessibility::XAccessible > VCLXAccessibleComponent::getVclParent() const +{ + uno::Reference< accessibility::XAccessible > xAcc; + if ( GetWindow() ) + { + Window* pParent = GetWindow()->GetAccessibleParentWindow(); + if ( pParent ) + xAcc = pParent->GetAccessible(); + } + return xAcc; +} + +uno::Reference< accessibility::XAccessible > VCLXAccessibleComponent::getAccessibleParent( ) throw (uno::RuntimeException) +{ + OExternalLockGuard aGuard( this ); + + uno::Reference< accessibility::XAccessible > xAcc( implGetForeignControlledParent() ); + if ( !xAcc.is() ) + // we do _not_ have a foreign-controlled parent -> default to our VCL parent + xAcc = getVclParent(); + + return xAcc; +} + +sal_Int32 VCLXAccessibleComponent::getAccessibleIndexInParent( ) throw (uno::RuntimeException) +{ + OExternalLockGuard aGuard( this ); + + sal_Int32 nIndex = -1; + + uno::Reference< accessibility::XAccessible > xAcc( implGetForeignControlledParent() ); + if ( xAcc.is() ) + { // we _do_ have a foreign-controlled parent -> use the base class' implementation, + // which goes the UNO way + nIndex = AccessibleExtendedComponentHelper_BASE::getAccessibleIndexInParent( ); + } + else + { + if ( GetWindow() ) + { + Window* pParent = GetWindow()->GetAccessibleParentWindow(); + if ( pParent ) + { + /* + for ( sal_uInt16 n = pParent->GetAccessibleChildWindowCount(); n; ) + { + Window* pChild = pParent->GetAccessibleChildWindow( --n ); + if ( pChild == GetWindow() ) + { + nIndex = n; + break; + } + } + */ + // Iterate over all the parent's children and search for this object. + // this should be compatible with the code in SVX + uno::Reference< accessibility::XAccessible > xParentAcc( pParent->GetAccessible() ); + if ( xParentAcc.is() ) + { + uno::Reference< accessibility::XAccessibleContext > xParentContext ( xParentAcc->getAccessibleContext() ); + if ( xParentContext.is() ) + { + sal_Int32 nChildCount = xParentContext->getAccessibleChildCount(); + for ( sal_Int32 i=0; i<nChildCount; i++ ) + { + uno::Reference< accessibility::XAccessible > xChild( xParentContext->getAccessibleChild(i) ); + if ( xChild.is() ) + { + uno::Reference< accessibility::XAccessibleContext > xChildContext = xChild->getAccessibleContext(); + if ( xChildContext == (accessibility::XAccessibleContext*) this ) + { + nIndex = i; + break; + } + } + } + } + } + } + } + } + return nIndex; +} + +sal_Int16 VCLXAccessibleComponent::getAccessibleRole( ) throw (uno::RuntimeException) +{ + OExternalLockGuard aGuard( this ); + + sal_Int16 nRole = 0; + + if ( GetWindow() ) + nRole = GetWindow()->GetAccessibleRole(); + + return nRole; +} + +::rtl::OUString VCLXAccessibleComponent::getAccessibleDescription( ) throw (uno::RuntimeException) +{ + OExternalLockGuard aGuard( this ); + + ::rtl::OUString aDescription; + + if ( GetWindow() ) + aDescription = GetWindow()->GetAccessibleDescription(); + + return aDescription; +} + +::rtl::OUString VCLXAccessibleComponent::getAccessibleName( ) throw (uno::RuntimeException) +{ + OExternalLockGuard aGuard( this ); + + ::rtl::OUString aName; + if ( GetWindow() ) + { + aName = GetWindow()->GetAccessibleName(); +#if OSL_DEBUG_LEVEL > 1 + aName += String( RTL_CONSTASCII_USTRINGPARAM( " (Type = " ) ); + aName += String::CreateFromInt32( GetWindow()->GetType() ); + aName += String( RTL_CONSTASCII_USTRINGPARAM( ")" ) ); +#endif + } + return aName; +} + +uno::Reference< accessibility::XAccessibleRelationSet > VCLXAccessibleComponent::getAccessibleRelationSet( ) throw (uno::RuntimeException) +{ + OExternalLockGuard aGuard( this ); + + utl::AccessibleRelationSetHelper* pRelationSetHelper = new utl::AccessibleRelationSetHelper; + uno::Reference< accessibility::XAccessibleRelationSet > xSet = pRelationSetHelper; + FillAccessibleRelationSet( *pRelationSetHelper ); + return xSet; +} + +uno::Reference< accessibility::XAccessibleStateSet > VCLXAccessibleComponent::getAccessibleStateSet( ) throw (uno::RuntimeException) +{ + OExternalLockGuard aGuard( this ); + + utl::AccessibleStateSetHelper* pStateSetHelper = new utl::AccessibleStateSetHelper; + uno::Reference< accessibility::XAccessibleStateSet > xSet = pStateSetHelper; + FillAccessibleStateSet( *pStateSetHelper ); + return xSet; +} + +lang::Locale VCLXAccessibleComponent::getLocale() throw (accessibility::IllegalAccessibleComponentStateException, uno::RuntimeException) +{ + OExternalLockGuard aGuard( this ); + + return Application::GetSettings().GetLocale(); +} + +uno::Reference< accessibility::XAccessible > VCLXAccessibleComponent::getAccessibleAtPoint( const awt::Point& rPoint ) throw (uno::RuntimeException) +{ + OExternalLockGuard aGuard( this ); + + uno::Reference< accessibility::XAccessible > xChild; + for ( sal_uInt32 i = 0, nCount = getAccessibleChildCount(); i < nCount; ++i ) + { + uno::Reference< accessibility::XAccessible > xAcc = getAccessibleChild( i ); + if ( xAcc.is() ) + { + uno::Reference< accessibility::XAccessibleComponent > xComp( xAcc->getAccessibleContext(), uno::UNO_QUERY ); + if ( xComp.is() ) + { + Rectangle aRect = VCLRectangle( xComp->getBounds() ); + Point aPos = VCLPoint( rPoint ); + if ( aRect.IsInside( aPos ) ) + { + xChild = xAcc; + break; + } + } + } + } + + return xChild; +} + +// accessibility::XAccessibleComponent +awt::Rectangle VCLXAccessibleComponent::implGetBounds() throw (uno::RuntimeException) +{ + awt::Rectangle aBounds ( 0, 0, 0, 0 ); + + Window* pWindow = GetWindow(); + if ( pWindow ) + { + Rectangle aRect = pWindow->GetWindowExtentsRelative( NULL ); + aBounds = AWTRectangle( aRect ); + Window* pParent = pWindow->GetAccessibleParentWindow(); + if ( pParent ) + { + Rectangle aParentRect = pParent->GetWindowExtentsRelative( NULL ); + awt::Point aParentScreenLoc = AWTPoint( aParentRect.TopLeft() ); + aBounds.X -= aParentScreenLoc.X; + aBounds.Y -= aParentScreenLoc.Y; + } + } + + uno::Reference< accessibility::XAccessible > xParent( implGetForeignControlledParent() ); + if ( xParent.is() ) + { // hmm, we can't rely on our VCL coordinates, as in the Accessibility Hierarchy, somebody gave + // us a parent which is different from our VCL parent + // (actually, we did not check if it's really different ...) + + // the screen location of the foreign parent + uno::Reference< accessibility::XAccessibleComponent > xParentComponent( xParent->getAccessibleContext(), uno::UNO_QUERY ); + DBG_ASSERT( xParentComponent.is(), "VCLXAccessibleComponent::implGetBounds: invalid (foreign) parent component!" ); + + awt::Point aScreenLocForeign( 0, 0 ); + if ( xParentComponent.is() ) + aScreenLocForeign = xParentComponent->getLocationOnScreen(); + + // the screen location of the VCL parent + xParent = getVclParent(); + if ( xParent.is() ) + xParentComponent = xParentComponent.query( xParent->getAccessibleContext() ); + + awt::Point aScreenLocVCL( 0, 0 ); + if ( xParentComponent.is() ) + aScreenLocVCL = xParentComponent->getLocationOnScreen(); + + // the difference between them + awt::Size aOffset( aScreenLocVCL.X - aScreenLocForeign.X, aScreenLocVCL.Y - aScreenLocForeign.Y ); + // move the bounds + aBounds.X += aOffset.Width; + aBounds.Y += aOffset.Height; + } + + return aBounds; +} + +awt::Point VCLXAccessibleComponent::getLocationOnScreen( ) throw (uno::RuntimeException) +{ + OExternalLockGuard aGuard( this ); + + awt::Point aPos; + if ( GetWindow() ) + { + Rectangle aRect = GetWindow()->GetWindowExtentsRelative( NULL ); + aPos.X = aRect.Left(); + aPos.Y = aRect.Top(); + } + + return aPos; +} + +void VCLXAccessibleComponent::grabFocus( ) throw (uno::RuntimeException) +{ + OExternalLockGuard aGuard( this ); + + uno::Reference< accessibility::XAccessibleStateSet > xStates = getAccessibleStateSet(); + if ( mxWindow.is() && xStates.is() && xStates->contains( accessibility::AccessibleStateType::FOCUSABLE ) ) + mxWindow->setFocus(); +} + +sal_Int32 SAL_CALL VCLXAccessibleComponent::getForeground( ) throw (uno::RuntimeException) +{ + OExternalLockGuard aGuard( this ); + + sal_Int32 nColor = 0; + Window* pWindow = GetWindow(); + if ( pWindow ) + { + if ( pWindow->IsControlForeground() ) + nColor = pWindow->GetControlForeground().GetColor(); + else + { + Font aFont; + if ( pWindow->IsControlFont() ) + aFont = pWindow->GetControlFont(); + else + aFont = pWindow->GetFont(); + nColor = aFont.GetColor().GetColor(); + } + } + + return nColor; +} + +sal_Int32 SAL_CALL VCLXAccessibleComponent::getBackground( ) throw (uno::RuntimeException) +{ + OExternalLockGuard aGuard( this ); + + sal_Int32 nColor = 0; + Window* pWindow = GetWindow(); + if ( pWindow ) + { + if ( pWindow->IsControlBackground() ) + nColor = pWindow->GetControlBackground().GetColor(); + else + nColor = pWindow->GetBackground().GetColor().GetColor(); + } + + return nColor; +} + +// XAccessibleExtendedComponent + +uno::Reference< awt::XFont > SAL_CALL VCLXAccessibleComponent::getFont( ) throw (uno::RuntimeException) +{ + OExternalLockGuard aGuard( this ); + + uno::Reference< awt::XFont > xFont; + Window* pWindow = GetWindow(); + if ( pWindow ) + { + uno::Reference< awt::XDevice > xDev( pWindow->GetComponentInterface(), uno::UNO_QUERY ); + if ( xDev.is() ) + { + Font aFont; + if ( pWindow->IsControlFont() ) + aFont = pWindow->GetControlFont(); + else + aFont = pWindow->GetFont(); + VCLXFont* pVCLXFont = new VCLXFont; + pVCLXFont->Init( *xDev.get(), aFont ); + xFont = pVCLXFont; + } + } + + return xFont; +} + +::rtl::OUString SAL_CALL VCLXAccessibleComponent::getTitledBorderText( ) throw (uno::RuntimeException) +{ + OExternalLockGuard aGuard( this ); + + ::rtl::OUString sRet; + if ( GetWindow() ) + sRet = GetWindow()->GetText(); + + return sRet; +} + +::rtl::OUString SAL_CALL VCLXAccessibleComponent::getToolTipText( ) throw (uno::RuntimeException) +{ + OExternalLockGuard aGuard( this ); + + ::rtl::OUString sRet; + if ( GetWindow() ) + sRet = GetWindow()->GetQuickHelpText(); + + return sRet; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |