/* -*- 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 * * for a copy of the LGPLv3 License. * ************************************************************************/ #include #include "svx/DescriptionGenerator.hxx" #include #include #include #include #include #include #include using ::rtl::OUString; using namespace ::sdr::table; using namespace ::com::sun::star; using namespace ::com::sun::star::uno; using namespace ::com::sun::star::accessibility; using namespace ::com::sun::star::lang; using namespace ::com::sun::star::container; namespace accessibility { // -------------------------------------------------------------------- // AccessibleCell // -------------------------------------------------------------------- AccessibleCell::AccessibleCell( const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible>& rxParent, const sdr::table::CellRef& rCell, sal_Int32 nIndex, const AccessibleShapeTreeInfo& rShapeTreeInfo ) : AccessibleCellBase( rxParent, AccessibleRole::TABLE_CELL ) , maShapeTreeInfo( rShapeTreeInfo ) , mnIndexInParent( nIndex ) , mpText( NULL ) , mxCell( rCell ) { } // -------------------------------------------------------------------- AccessibleCell::~AccessibleCell (void) { DBG_ASSERT( mpText == 0, "svx::AccessibleCell::~AccessibleCell(), not disposed!?" ); } // -------------------------------------------------------------------- void AccessibleCell::Init (void) { SdrView* pView = maShapeTreeInfo.GetSdrView(); const Window* pWindow = maShapeTreeInfo.GetWindow (); if( (pView != NULL) && (pWindow != NULL) && mxCell.is()) { OutlinerParaObject* pOutlinerParaObject = mxCell->GetEditOutlinerParaObject(); // Get the OutlinerParaObject if text edit is active bool bOwnParaObject = pOutlinerParaObject != 0; if( !pOutlinerParaObject ) pOutlinerParaObject = mxCell->GetOutlinerParaObject(); // create AccessibleTextHelper to handle this shape's text if( pOutlinerParaObject ) { // non-empty text -> use full-fledged edit source right away ::std::auto_ptr pEditSource( new SvxTextEditSource( mxCell->GetObject(), mxCell.get(), *pView, *pWindow) ); mpText = new AccessibleTextHelper( pEditSource ); mpText->SetEventSource(this); } if( bOwnParaObject) delete pOutlinerParaObject; } } // -------------------------------------------------------------------- sal_Bool AccessibleCell::SetState (sal_Int16 aState) { sal_Bool bStateHasChanged = sal_False; if (aState == AccessibleStateType::FOCUSED && mpText != NULL) { // Offer FOCUSED state to edit engine and detect whether the state // changes. sal_Bool bIsFocused = mpText->HaveFocus (); mpText->SetFocus (sal_True); bStateHasChanged = (bIsFocused != mpText->HaveFocus ()); } else bStateHasChanged = AccessibleContextBase::SetState (aState); return bStateHasChanged; } // -------------------------------------------------------------------- sal_Bool AccessibleCell::ResetState (sal_Int16 aState) { sal_Bool bStateHasChanged = sal_False; if (aState == AccessibleStateType::FOCUSED && mpText != NULL) { // Try to remove FOCUSED state from the edit engine and detect // whether the state changes. sal_Bool bIsFocused = mpText->HaveFocus (); mpText->SetFocus (sal_False); bStateHasChanged = (bIsFocused != mpText->HaveFocus ()); } else bStateHasChanged = AccessibleContextBase::ResetState (aState); return bStateHasChanged; } //----------------------------------------------------------------------------- bool AccessibleCell::operator== (const AccessibleCell& rAccessibleCell) { return this == &rAccessibleCell; } //----------------------------------------------------------------------------- // XInterface //----------------------------------------------------------------------------- Any SAL_CALL AccessibleCell::queryInterface( const Type& aType ) throw (RuntimeException) { return AccessibleCellBase::queryInterface( aType ); } //----------------------------------------------------------------------------- void SAL_CALL AccessibleCell::acquire( ) throw () { AccessibleCellBase::acquire(); } //----------------------------------------------------------------------------- void SAL_CALL AccessibleCell::release( ) throw () { AccessibleCellBase::release(); } // -------------------------------------------------------------------- // XAccessibleContext // -------------------------------------------------------------------- /** The children of this cell come from the paragraphs of text. */ sal_Int32 SAL_CALL AccessibleCell::getAccessibleChildCount() throw (::com::sun::star::uno::RuntimeException) { SolarMutexGuard aSolarGuard; ThrowIfDisposed (); return mpText != NULL ? mpText->GetChildCount () : 0; } // -------------------------------------------------------------------- /** Forward the request to the shape. Return the requested shape or throw an exception for a wrong index. */ Reference SAL_CALL AccessibleCell::getAccessibleChild (sal_Int32 nIndex) throw (IndexOutOfBoundsException, RuntimeException) { SolarMutexGuard aSolarGuard; ThrowIfDisposed (); // todo: does GetChild throw IndexOutOfBoundsException? return mpText->GetChild (nIndex); } // -------------------------------------------------------------------- /** Return a copy of the state set. Possible states are: ENABLED SHOWING VISIBLE */ Reference SAL_CALL AccessibleCell::getAccessibleStateSet (void) throw (RuntimeException) { SolarMutexGuard aSolarGuard; ::osl::MutexGuard aGuard (maMutex); Reference xStateSet; if (rBHelper.bDisposed || mpText == NULL) { // Return a minimal state set that only contains the DEFUNC state. xStateSet = AccessibleContextBase::getAccessibleStateSet (); } else { ::utl::AccessibleStateSetHelper* pStateSet = static_cast< ::utl::AccessibleStateSetHelper*>(mxStateSet.get()); if(pStateSet) { // Merge current FOCUSED state from edit engine. if (mpText != NULL) { if (mpText->HaveFocus()) pStateSet->AddState (AccessibleStateType::FOCUSED); else pStateSet->RemoveState (AccessibleStateType::FOCUSED); } // Create a copy of the state set that may be modified by the // caller without affecting the current state set. xStateSet = Reference(new ::utl::AccessibleStateSetHelper (*pStateSet)); } } return xStateSet; } // -------------------------------------------------------------------- // XAccessibleComponent // -------------------------------------------------------------------- sal_Bool SAL_CALL AccessibleCell::containsPoint( const ::com::sun::star::awt::Point& aPoint) throw (::com::sun::star::uno::RuntimeException) { return AccessibleComponentBase::containsPoint( aPoint ); } /** The implementation below is at the moment straightforward. It iterates over all children (and thereby instances all children which have not been already instatiated) until a child covering the specifed point is found. This leaves room for improvement. For instance, first iterate only over the already instantiated children and only if no match is found instantiate the remaining ones. */ Reference SAL_CALL AccessibleCell::getAccessibleAtPoint ( const ::com::sun::star::awt::Point& aPoint) throw(RuntimeException) { SolarMutexGuard aSolarGuard; ::osl::MutexGuard aGuard (maMutex); sal_Int32 nChildCount = getAccessibleChildCount (); for (sal_Int32 i=0; i xChild (getAccessibleChild (i)); if (xChild.is()) { Reference xChildComponent (xChild->getAccessibleContext(), uno::UNO_QUERY); if (xChildComponent.is()) { awt::Rectangle aBBox (xChildComponent->getBounds()); if ( (aPoint.X >= aBBox.X) && (aPoint.Y >= aBBox.Y) && (aPoint.X < aBBox.X+aBBox.Width) && (aPoint.Y < aBBox.Y+aBBox.Height) ) return xChild; } } } // Have not found a child under the given point. Returning empty // reference to indicate this. return uno::Reference(); } // -------------------------------------------------------------------- ::com::sun::star::awt::Rectangle SAL_CALL AccessibleCell::getBounds(void) throw(RuntimeException) { SolarMutexGuard aSolarGuard; ::osl::MutexGuard aGuard (maMutex); ThrowIfDisposed (); ::com::sun::star::awt::Rectangle aBoundingBox; if( mxCell.is() ) { // Get the cell's bounding box in internal coordinates (in 100th of mm) const ::Rectangle aCellRect( mxCell->getCellRect() ); // Transform coordinates from internal to pixel. if (maShapeTreeInfo.GetViewForwarder() == NULL) throw uno::RuntimeException (::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("AccessibleCell has no valid view forwarder")),static_cast(this)); ::Size aPixelSize( maShapeTreeInfo.GetViewForwarder()->LogicToPixel(::Size(aCellRect.GetWidth(), aCellRect.GetHeight())) ); ::Point aPixelPosition( maShapeTreeInfo.GetViewForwarder()->LogicToPixel( aCellRect.TopLeft() )); // Clip the shape's bounding box with the bounding box of its parent. Reference xParentComponent ( getAccessibleParent(), uno::UNO_QUERY); if (xParentComponent.is()) { // Make the coordinates relative to the parent. awt::Point aParentLocation (xParentComponent->getLocationOnScreen()); int x = aPixelPosition.getX() - aParentLocation.X; int y = aPixelPosition.getY() - aParentLocation.Y; // Clip with parent (with coordinates relative to itself). ::Rectangle aBBox ( x, y, x + aPixelSize.getWidth(), y + aPixelSize.getHeight()); awt::Size aParentSize (xParentComponent->getSize()); ::Rectangle aParentBBox (0,0, aParentSize.Width, aParentSize.Height); aBBox = aBBox.GetIntersection (aParentBBox); aBoundingBox = awt::Rectangle ( aBBox.getX(), aBBox.getY(), aBBox.getWidth(), aBBox.getHeight()); } else { OSL_TRACE ("parent does not support component"); aBoundingBox = awt::Rectangle (aPixelPosition.getX(), aPixelPosition.getY(),aPixelSize.getWidth(), aPixelSize.getHeight()); } } return aBoundingBox; } // -------------------------------------------------------------------- ::com::sun::star::awt::Point SAL_CALL AccessibleCell::getLocation(void) throw (RuntimeException) { ThrowIfDisposed (); ::com::sun::star::awt::Rectangle aBoundingBox(getBounds()); return ::com::sun::star::awt::Point(aBoundingBox.X, aBoundingBox.Y); } // -------------------------------------------------------------------- ::com::sun::star::awt::Point SAL_CALL AccessibleCell::getLocationOnScreen(void) throw(RuntimeException) { ThrowIfDisposed (); // Get relative position... ::com::sun::star::awt::Point aLocation(getLocation ()); // ... and add absolute position of the parent. Reference xParentComponent( getAccessibleParent(), uno::UNO_QUERY); if(xParentComponent.is()) { ::com::sun::star::awt::Point aParentLocation(xParentComponent->getLocationOnScreen()); aLocation.X += aParentLocation.X; aLocation.Y += aParentLocation.Y; } else { OSL_TRACE ("getLocation: parent does not support XAccessibleComponent"); } return aLocation; } // -------------------------------------------------------------------- awt::Size SAL_CALL AccessibleCell::getSize (void) throw (RuntimeException) { ThrowIfDisposed (); awt::Rectangle aBoundingBox (getBounds()); return awt::Size (aBoundingBox.Width, aBoundingBox.Height); } // -------------------------------------------------------------------- void SAL_CALL AccessibleCell::addFocusListener ( const ::com::sun::star::uno::Reference< ::com::sun::star::awt::XFocusListener >& xListener) throw (::com::sun::star::uno::RuntimeException) { AccessibleComponentBase::addFocusListener( xListener ); } // -------------------------------------------------------------------- void SAL_CALL AccessibleCell::removeFocusListener (const ::com::sun::star::uno::Reference< ::com::sun::star::awt::XFocusListener >& xListener ) throw (::com::sun::star::uno::RuntimeException) { AccessibleComponentBase::removeFocusListener( xListener ); } // -------------------------------------------------------------------- void SAL_CALL AccessibleCell::grabFocus (void) throw (::com::sun::star::uno::RuntimeException) { AccessibleComponentBase::grabFocus(); } // -------------------------------------------------------------------- sal_Int32 SAL_CALL AccessibleCell::getForeground(void) throw (RuntimeException) { ThrowIfDisposed (); sal_Int32 nColor (0x0ffffffL); // todo return nColor; } // -------------------------------------------------------------------- sal_Int32 SAL_CALL AccessibleCell::getBackground (void) throw (RuntimeException) { ThrowIfDisposed (); sal_Int32 nColor (0L); // todo return nColor; } // -------------------------------------------------------------------- // XAccessibleExtendedComponent // -------------------------------------------------------------------- ::com::sun::star::uno::Reference< ::com::sun::star::awt::XFont > SAL_CALL AccessibleCell::getFont (void) throw (::com::sun::star::uno::RuntimeException) { //todo return AccessibleComponentBase::getFont(); } // -------------------------------------------------------------------- ::rtl::OUString SAL_CALL AccessibleCell::getTitledBorderText (void) throw (::com::sun::star::uno::RuntimeException) { return AccessibleComponentBase::getTitledBorderText(); } // -------------------------------------------------------------------- ::rtl::OUString SAL_CALL AccessibleCell::getToolTipText (void) throw (::com::sun::star::uno::RuntimeException) { return AccessibleComponentBase::getToolTipText(); } // -------------------------------------------------------------------- // XAccessibleEventBroadcaster // -------------------------------------------------------------------- void SAL_CALL AccessibleCell::addEventListener( const Reference& rxListener) throw (RuntimeException) { SolarMutexGuard aSolarGuard; ::osl::MutexGuard aGuard (maMutex); if (rBHelper.bDisposed || rBHelper.bInDispose) { Reference xSource( static_cast(this) ); lang::EventObject aEventObj(xSource); rxListener->disposing(aEventObj); } else { AccessibleContextBase::addEventListener (rxListener); if (mpText != NULL) mpText->AddEventListener (rxListener); } } // -------------------------------------------------------------------- void SAL_CALL AccessibleCell::removeEventListener( const Reference& rxListener) throw (RuntimeException) { SolarMutexGuard aSolarGuard; AccessibleContextBase::removeEventListener(rxListener); if (mpText != NULL) mpText->RemoveEventListener (rxListener); } // -------------------------------------------------------------------- // XServiceInfo // -------------------------------------------------------------------- OUString SAL_CALL AccessibleCell::getImplementationName(void) throw (RuntimeException) { return OUString(RTL_CONSTASCII_USTRINGPARAM("AccessibleCell")); } // -------------------------------------------------------------------- Sequence SAL_CALL AccessibleCell::getSupportedServiceNames(void) throw (RuntimeException) { ThrowIfDisposed (); // Get list of supported service names from base class... uno::Sequence aServiceNames = AccessibleContextBase::getSupportedServiceNames(); sal_Int32 nCount (aServiceNames.getLength()); // ...and add additional names. aServiceNames.realloc (nCount + 1); static const OUString sAdditionalServiceName (RTL_CONSTASCII_USTRINGPARAM("com.sun.star.drawing.AccessibleCell")); aServiceNames[nCount] = sAdditionalServiceName; return aServiceNames; } // -------------------------------------------------------------------- // IAccessibleViewForwarderListener // -------------------------------------------------------------------- void AccessibleCell::ViewForwarderChanged (ChangeType /*aChangeType*/, const IAccessibleViewForwarder* /*pViewForwarder*/) { // Inform all listeners that the graphical representation (i.e. size // and/or position) of the shape has changed. CommitChange(AccessibleEventId::VISIBLE_DATA_CHANGED, Any(), Any()); // update our children that our screen position might have changed if( mpText ) mpText->UpdateChildren(); } // -------------------------------------------------------------------- // protected // -------------------------------------------------------------------- void AccessibleCell::disposing (void) { SolarMutexGuard aSolarGuard; ::osl::MutexGuard aGuard (maMutex); // Make sure to send an event that this object looses the focus in the // case that it has the focus. ::utl::AccessibleStateSetHelper* pStateSet = static_cast< ::utl::AccessibleStateSetHelper*>(mxStateSet.get()); if (pStateSet != NULL) pStateSet->RemoveState(AccessibleStateType::FOCUSED); if (mpText != NULL) { mpText->Dispose(); delete mpText; mpText = NULL; } // Cleanup. Remove references to objects to allow them to be // destroyed. mxCell.clear(); maShapeTreeInfo = AccessibleShapeTreeInfo(); // Call base classes. AccessibleContextBase::dispose (); } sal_Int32 SAL_CALL AccessibleCell::getAccessibleIndexInParent (void) throw (RuntimeException) { ThrowIfDisposed (); return mnIndexInParent; } ::rtl::OUString SAL_CALL AccessibleCell::getAccessibleName (void) throw (::com::sun::star::uno::RuntimeException) { ThrowIfDisposed (); SolarMutexGuard aSolarGuard; if( mxCell.is() ) return mxCell->getName(); return AccessibleCellBase::getAccessibleName(); } } // end of namespace accessibility /* vim:set shiftwidth=4 softtabstop=4 expandtab: */