/* -*- 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 . */ #include "thumbnailviewacc.hxx" #include #include #include #include #include #include #include #include #include #include #include #include using namespace ::com::sun::star; ThumbnailViewAcc::ThumbnailViewAcc( ThumbnailView* pParent ) : mpParent( pParent ) { } ThumbnailViewAcc::~ThumbnailViewAcc() { } uno::Reference< accessibility::XAccessibleContext > SAL_CALL ThumbnailViewAcc::getAccessibleContext() { ThrowIfDisposed(); return this; } sal_Int64 SAL_CALL ThumbnailViewAcc::getAccessibleChildCount() { const SolarMutexGuard aSolarGuard; ThrowIfDisposed(); return mpParent->ImplGetVisibleItemCount(); } uno::Reference< accessibility::XAccessible > SAL_CALL ThumbnailViewAcc::getAccessibleChild( sal_Int64 i ) { ThrowIfDisposed(); const SolarMutexGuard aSolarGuard; if (i < 0 || i >= getAccessibleChildCount()) throw lang::IndexOutOfBoundsException(); ThumbnailViewItem* pItem = getItem (sal::static_int_cast< sal_uInt16 >(i)); if( !pItem ) throw lang::IndexOutOfBoundsException(); uno::Reference< accessibility::XAccessible > xRet = pItem->GetAccessible( /*bIsTransientChildrenDisabled*/false ); return xRet; } uno::Reference< accessibility::XAccessible > SAL_CALL ThumbnailViewAcc::getAccessibleParent() { ThrowIfDisposed(); const SolarMutexGuard aSolarGuard; return mpParent->GetDrawingArea()->get_accessible_parent(); } sal_Int64 SAL_CALL ThumbnailViewAcc::getAccessibleIndexInParent() { ThrowIfDisposed(); const SolarMutexGuard aSolarGuard; // -1 for child not found/no parent (according to specification) sal_Int64 nRet = -1; uno::Reference xParent(getAccessibleParent()); if (!xParent) return nRet; try { uno::Reference xParentContext(xParent->getAccessibleContext()); // iterate over parent's children and search for this object if ( xParentContext.is() ) { sal_Int64 nChildCount = xParentContext->getAccessibleChildCount(); for ( sal_Int64 nChild = 0; ( nChild < nChildCount ) && ( -1 == nRet ); ++nChild ) { uno::Reference xChild(xParentContext->getAccessibleChild(nChild)); if ( xChild.get() == this ) nRet = nChild; } } } catch (const uno::Exception&) { TOOLS_WARN_EXCEPTION( "sfx", "ThumbnailViewAcc::getAccessibleIndexInParent" ); } return nRet; } sal_Int16 SAL_CALL ThumbnailViewAcc::getAccessibleRole() { ThrowIfDisposed(); // #i73746# As the Java Access Bridge (v 2.0.1) uses "managesDescendants" // always if the role is LIST, we need a different role in this case return accessibility::AccessibleRole::LIST; } OUString SAL_CALL ThumbnailViewAcc::getAccessibleDescription() { ThrowIfDisposed(); return u"ThumbnailView"_ustr; } OUString SAL_CALL ThumbnailViewAcc::getAccessibleName() { ThrowIfDisposed(); const SolarMutexGuard aSolarGuard; OUString aRet; if (mpParent) { aRet = mpParent->GetAccessibleName(); } return aRet; } uno::Reference< accessibility::XAccessibleRelationSet > SAL_CALL ThumbnailViewAcc::getAccessibleRelationSet() { ThrowIfDisposed(); return uno::Reference< accessibility::XAccessibleRelationSet >(); } sal_Int64 SAL_CALL ThumbnailViewAcc::getAccessibleStateSet() { ThrowIfDisposed(); sal_Int64 nStateSet = 0; // Set some states. nStateSet |= accessibility::AccessibleStateType::ENABLED; nStateSet |= accessibility::AccessibleStateType::SENSITIVE; nStateSet |= accessibility::AccessibleStateType::SHOWING; nStateSet |= accessibility::AccessibleStateType::VISIBLE; nStateSet |= accessibility::AccessibleStateType::MANAGES_DESCENDANTS; nStateSet |= accessibility::AccessibleStateType::FOCUSABLE; return nStateSet; } lang::Locale SAL_CALL ThumbnailViewAcc::getLocale() { ThrowIfDisposed(); const SolarMutexGuard aSolarGuard; uno::Reference< accessibility::XAccessible > xParent( getAccessibleParent() ); lang::Locale aRet( u""_ustr, u""_ustr, u""_ustr ); if( xParent.is() ) { uno::Reference< accessibility::XAccessibleContext > xParentContext( xParent->getAccessibleContext() ); if( xParentContext.is() ) aRet = xParentContext->getLocale (); } return aRet; } void SAL_CALL ThumbnailViewAcc::addAccessibleEventListener( const uno::Reference< accessibility::XAccessibleEventListener >& rxListener ) { ThrowIfDisposed(); std::unique_lock aGuard (m_aMutex); if( !rxListener.is() ) return; bool bFound = false; for (auto const& eventListener : mxEventListeners) { if( eventListener == rxListener ) { bFound = true; break; } } if (!bFound) mxEventListeners.push_back( rxListener ); } void SAL_CALL ThumbnailViewAcc::removeAccessibleEventListener( const uno::Reference< accessibility::XAccessibleEventListener >& rxListener ) { ThrowIfDisposed(); std::unique_lock aGuard (m_aMutex); if( rxListener.is() ) { std::vector< uno::Reference< accessibility::XAccessibleEventListener > >::iterator aIter = std::find(mxEventListeners.begin(), mxEventListeners.end(), rxListener); if (aIter != mxEventListeners.end()) mxEventListeners.erase( aIter ); } } sal_Bool SAL_CALL ThumbnailViewAcc::containsPoint( const awt::Point& aPoint ) { ThrowIfDisposed(); const awt::Rectangle aRect( getBounds() ); const Point aSize( aRect.Width, aRect.Height ); const Point aNullPoint, aTestPoint( aPoint.X, aPoint.Y ); return tools::Rectangle( aNullPoint, aSize ).Contains( aTestPoint ); } uno::Reference< accessibility::XAccessible > SAL_CALL ThumbnailViewAcc::getAccessibleAtPoint( const awt::Point& aPoint ) { ThrowIfDisposed(); const SolarMutexGuard aSolarGuard; const sal_uInt16 nItemId = mpParent->GetItemId( Point( aPoint.X, aPoint.Y ) ); uno::Reference< accessibility::XAccessible > xRet; if ( nItemId ) { const size_t nItemPos = mpParent->GetItemPos( nItemId ); if( THUMBNAILVIEW_ITEM_NONEITEM != nItemPos ) { ThumbnailViewItem *const pItem = mpParent->mFilteredItemList[nItemPos]; xRet = pItem->GetAccessible( /*bIsTransientChildrenDisabled*/false ); } } return xRet; } awt::Rectangle SAL_CALL ThumbnailViewAcc::getBounds() { ThrowIfDisposed(); const SolarMutexGuard aSolarGuard; const Point aOutPos; const Size aOutSize( mpParent->GetOutputSizePixel() ); awt::Rectangle aRet; aRet.X = aOutPos.X(); aRet.Y = aOutPos.Y(); aRet.Width = aOutSize.Width(); aRet.Height = aOutSize.Height(); return aRet; } awt::Point SAL_CALL ThumbnailViewAcc::getLocation() { ThrowIfDisposed(); const awt::Rectangle aRect( getBounds() ); awt::Point aRet; aRet.X = aRect.X; aRet.Y = aRect.Y; return aRet; } awt::Point SAL_CALL ThumbnailViewAcc::getLocationOnScreen() { ThrowIfDisposed(); const SolarMutexGuard aSolarGuard; awt::Point aScreenLoc(0, 0); uno::Reference xParent(getAccessibleParent()); if (xParent) { uno::Reference xParentContext(xParent->getAccessibleContext()); uno::Reference xParentComponent(xParentContext, css::uno::UNO_QUERY); OSL_ENSURE( xParentComponent.is(), "ThumbnailViewAcc::getLocationOnScreen: no parent component!" ); if ( xParentComponent.is() ) { awt::Point aParentScreenLoc( xParentComponent->getLocationOnScreen() ); awt::Point aOwnRelativeLoc( getLocation() ); aScreenLoc.X = aParentScreenLoc.X + aOwnRelativeLoc.X; aScreenLoc.Y = aParentScreenLoc.Y + aOwnRelativeLoc.Y; } } return aScreenLoc; } awt::Size SAL_CALL ThumbnailViewAcc::getSize() { ThrowIfDisposed(); const awt::Rectangle aRect( getBounds() ); awt::Size aRet; aRet.Width = aRect.Width; aRet.Height = aRect.Height; return aRet; } void SAL_CALL ThumbnailViewAcc::grabFocus() { ThrowIfDisposed(); const SolarMutexGuard aSolarGuard; mpParent->GrabFocus(); } sal_Int32 SAL_CALL ThumbnailViewAcc::getForeground( ) { ThrowIfDisposed(); Color nColor = Application::GetSettings().GetStyleSettings().GetWindowTextColor(); return static_cast(nColor); } sal_Int32 SAL_CALL ThumbnailViewAcc::getBackground( ) { ThrowIfDisposed(); Color nColor = Application::GetSettings().GetStyleSettings().GetWindowColor(); return static_cast(nColor); } void SAL_CALL ThumbnailViewAcc::selectAccessibleChild( sal_Int64 nChildIndex ) { ThrowIfDisposed(); const SolarMutexGuard aSolarGuard; if (nChildIndex < 0 || nChildIndex >= getAccessibleChildCount()) throw lang::IndexOutOfBoundsException(); ThumbnailViewItem* pItem = getItem (sal::static_int_cast< sal_uInt16 >(nChildIndex)); if(pItem == nullptr) throw lang::IndexOutOfBoundsException(); mpParent->SelectItem( pItem->mnId ); } sal_Bool SAL_CALL ThumbnailViewAcc::isAccessibleChildSelected( sal_Int64 nChildIndex ) { ThrowIfDisposed(); const SolarMutexGuard aSolarGuard; if (nChildIndex < 0 || nChildIndex >= getAccessibleChildCount()) throw lang::IndexOutOfBoundsException(); ThumbnailViewItem* pItem = getItem (sal::static_int_cast< sal_uInt16 >(nChildIndex)); if (pItem == nullptr) throw lang::IndexOutOfBoundsException(); return mpParent->IsItemSelected( pItem->mnId ); } void SAL_CALL ThumbnailViewAcc::clearAccessibleSelection() { ThrowIfDisposed(); } void SAL_CALL ThumbnailViewAcc::selectAllAccessibleChildren() { ThrowIfDisposed(); // unsupported due to single selection only } sal_Int64 SAL_CALL ThumbnailViewAcc::getSelectedAccessibleChildCount() { ThrowIfDisposed(); const SolarMutexGuard aSolarGuard; sal_Int64 nRet = 0; for( sal_uInt16 i = 0, nCount = getItemCount(); i < nCount; i++ ) { ThumbnailViewItem* pItem = getItem (i); if( pItem && mpParent->IsItemSelected( pItem->mnId ) ) ++nRet; } return nRet; } uno::Reference< accessibility::XAccessible > SAL_CALL ThumbnailViewAcc::getSelectedAccessibleChild( sal_Int64 nSelectedChildIndex ) { ThrowIfDisposed(); const SolarMutexGuard aSolarGuard; uno::Reference< accessibility::XAccessible > xRet; for( sal_uInt16 i = 0, nCount = getItemCount(), nSel = 0; ( i < nCount ) && !xRet.is(); i++ ) { ThumbnailViewItem* pItem = getItem(i); if( pItem && mpParent->IsItemSelected( pItem->mnId ) && ( nSelectedChildIndex == static_cast< sal_Int32 >( nSel++ ) ) ) xRet = pItem->GetAccessible( /*bIsTransientChildrenDisabled*/false ); } return xRet; } void SAL_CALL ThumbnailViewAcc::deselectAccessibleChild( sal_Int64 nChildIndex) { ThrowIfDisposed(); const SolarMutexGuard aSolarGuard; if (nChildIndex < 0 || nChildIndex >= getAccessibleChildCount()) throw lang::IndexOutOfBoundsException(); // Because of the single selection we can reset the whole selection when // the specified child is currently selected. //FIXME TODO if (isAccessibleChildSelected(nChildIndex)) //FIXME TODO ; } void ThumbnailViewAcc::disposing(std::unique_lock& rGuard) { ::std::vector > aListenerListCopy; // unlock because we need to take solar and the lock mutex in the correct order rGuard.unlock(); { const SolarMutexGuard aSolarGuard; std::unique_lock aGuard (m_aMutex); // Reset the pointer to the parent. It has to be the one who has // disposed us because he is dying. mpParent = nullptr; if (mxEventListeners.empty()) return; // Make a copy of the list and clear the original. aListenerListCopy = std::move(mxEventListeners); } // Inform all listeners that this objects is disposing. lang::EventObject aEvent (static_cast(this)); for (auto const& listener : aListenerListCopy) { try { listener->disposing (aEvent); } catch(const uno::Exception&) { // Ignore exceptions. } } } sal_uInt16 ThumbnailViewAcc::getItemCount() const { return mpParent->ImplGetVisibleItemCount(); } ThumbnailViewItem* ThumbnailViewAcc::getItem (sal_uInt16 nIndex) const { return mpParent->ImplGetVisibleItem (nIndex); } void ThumbnailViewAcc::ThrowIfDisposed() { if (m_bDisposed) { SAL_WARN("sfx", "Calling disposed object. Throwing exception:"); throw lang::DisposedException ( u"object has been already disposed"_ustr, getXWeak()); } else { DBG_ASSERT (mpParent!=nullptr, "ValueSetAcc not disposed but mpParent == NULL"); } } ThumbnailViewItemAcc::ThumbnailViewItemAcc( ThumbnailViewItem* pParent, bool bIsTransientChildrenDisabled ) : mpParent( pParent ), mbIsTransientChildrenDisabled( bIsTransientChildrenDisabled ) { } ThumbnailViewItemAcc::~ThumbnailViewItemAcc() { } void ThumbnailViewItemAcc::ParentDestroyed() { std::scoped_lock aGuard( maMutex ); mpParent = nullptr; } void ThumbnailViewAcc::FireAccessibleEvent( short nEventId, const uno::Any& rOldValue, const uno::Any& rNewValue ) { if( !nEventId ) return; std::unique_lock aGuard(m_aMutex); ::std::vector< uno::Reference< accessibility::XAccessibleEventListener > > aTmpListeners( mxEventListeners ); aGuard.unlock(); accessibility::AccessibleEventObject aEvtObject; aEvtObject.EventId = nEventId; aEvtObject.Source = getXWeak(); aEvtObject.NewValue = rNewValue; aEvtObject.OldValue = rOldValue; aEvtObject.IndexHint = -1; for (auto const& tmpListener : aTmpListeners) { try { tmpListener->notifyEvent( aEvtObject ); } catch(const uno::Exception&) { } } } void ThumbnailViewAcc::GetFocus() { // Broadcast the state change. css::uno::Any aOldState, aNewState; aNewState <<= css::accessibility::AccessibleStateType::FOCUSED; FireAccessibleEvent( css::accessibility::AccessibleEventId::STATE_CHANGED, aOldState, aNewState); } void ThumbnailViewAcc::LoseFocus() { // Broadcast the state change. css::uno::Any aOldState, aNewState; aOldState <<= css::accessibility::AccessibleStateType::FOCUSED; FireAccessibleEvent( css::accessibility::AccessibleEventId::STATE_CHANGED, aOldState, aNewState); } uno::Reference< accessibility::XAccessibleContext > SAL_CALL ThumbnailViewItemAcc::getAccessibleContext() { return this; } sal_Int64 SAL_CALL ThumbnailViewItemAcc::getAccessibleChildCount() { return 0; } uno::Reference< accessibility::XAccessible > SAL_CALL ThumbnailViewItemAcc::getAccessibleChild( sal_Int64 ) { throw lang::IndexOutOfBoundsException(); } uno::Reference< accessibility::XAccessible > SAL_CALL ThumbnailViewItemAcc::getAccessibleParent() { const SolarMutexGuard aSolarGuard; uno::Reference< accessibility::XAccessible > xRet; if( mpParent ) xRet = mpParent->mrParent.getAccessible(); return xRet; } sal_Int64 SAL_CALL ThumbnailViewItemAcc::getAccessibleIndexInParent() { const SolarMutexGuard aSolarGuard; // The index defaults to -1 to indicate the child does not belong to its // parent. sal_Int64 nIndexInParent = -1; if( mpParent ) { bool bDone = false; sal_uInt16 nCount = mpParent->mrParent.ImplGetVisibleItemCount(); ThumbnailViewItem* pItem; for (sal_uInt16 i=0; imrParent.ImplGetVisibleItem (i); } catch (const lang::IndexOutOfBoundsException&) { pItem = nullptr; } // Do not create an accessible object for the test. if (pItem != nullptr && pItem->mxAcc.is()) if (pItem->GetAccessible( mbIsTransientChildrenDisabled ).get() == this ) { nIndexInParent = i; bDone = true; } } } return nIndexInParent; } sal_Int16 SAL_CALL ThumbnailViewItemAcc::getAccessibleRole() { return accessibility::AccessibleRole::LIST_ITEM; } OUString SAL_CALL ThumbnailViewItemAcc::getAccessibleDescription() { return OUString(); } OUString SAL_CALL ThumbnailViewItemAcc::getAccessibleName() { const SolarMutexGuard aSolarGuard; OUString aRet; if( mpParent ) { aRet = mpParent->maTitle; if( aRet.isEmpty() ) { aRet = "Item " + OUString::number(static_cast(mpParent->mnId)); } } return aRet; } uno::Reference< accessibility::XAccessibleRelationSet > SAL_CALL ThumbnailViewItemAcc::getAccessibleRelationSet() { return uno::Reference< accessibility::XAccessibleRelationSet >(); } sal_Int64 SAL_CALL ThumbnailViewItemAcc::getAccessibleStateSet() { const SolarMutexGuard aSolarGuard; sal_Int64 nStateSet = 0; if( mpParent ) { nStateSet |= accessibility::AccessibleStateType::ENABLED; nStateSet |= accessibility::AccessibleStateType::SENSITIVE; nStateSet |= accessibility::AccessibleStateType::SHOWING; nStateSet |= accessibility::AccessibleStateType::VISIBLE; if ( !mbIsTransientChildrenDisabled ) nStateSet |= accessibility::AccessibleStateType::TRANSIENT; nStateSet |= accessibility::AccessibleStateType::SELECTABLE; nStateSet |= accessibility::AccessibleStateType::FOCUSABLE; if( mpParent->isSelected() ) { nStateSet |= accessibility::AccessibleStateType::SELECTED; if (mpParent->mrParent.HasChildFocus()) nStateSet |= accessibility::AccessibleStateType::FOCUSED; } } return nStateSet; } lang::Locale SAL_CALL ThumbnailViewItemAcc::getLocale() { const SolarMutexGuard aSolarGuard; uno::Reference< accessibility::XAccessible > xParent( getAccessibleParent() ); lang::Locale aRet( u""_ustr, u""_ustr, u""_ustr ); if( xParent.is() ) { uno::Reference< accessibility::XAccessibleContext > xParentContext( xParent->getAccessibleContext() ); if( xParentContext.is() ) aRet = xParentContext->getLocale(); } return aRet; } void SAL_CALL ThumbnailViewItemAcc::addAccessibleEventListener( const uno::Reference< accessibility::XAccessibleEventListener >& rxListener ) { std::scoped_lock aGuard( maMutex ); if( !rxListener.is() ) return; bool bFound = false; for (auto const& eventListener : mxEventListeners) { if( eventListener == rxListener ) { bFound = true; break; } } if (!bFound) mxEventListeners.push_back( rxListener ); } void SAL_CALL ThumbnailViewItemAcc::removeAccessibleEventListener( const uno::Reference< accessibility::XAccessibleEventListener >& rxListener ) { std::scoped_lock aGuard( maMutex ); if( rxListener.is() ) { std::vector< uno::Reference< accessibility::XAccessibleEventListener > >::iterator aIter = std::find(mxEventListeners.begin(), mxEventListeners.end(), rxListener); if (aIter != mxEventListeners.end()) mxEventListeners.erase( aIter ); } } sal_Bool SAL_CALL ThumbnailViewItemAcc::containsPoint( const awt::Point& aPoint ) { const awt::Rectangle aRect( getBounds() ); const Point aSize( aRect.Width, aRect.Height ); const Point aNullPoint, aTestPoint( aPoint.X, aPoint.Y ); return tools::Rectangle( aNullPoint, aSize ).Contains( aTestPoint ); } uno::Reference< accessibility::XAccessible > SAL_CALL ThumbnailViewItemAcc::getAccessibleAtPoint( const awt::Point& ) { uno::Reference< accessibility::XAccessible > xRet; return xRet; } awt::Rectangle SAL_CALL ThumbnailViewItemAcc::getBounds() { const SolarMutexGuard aSolarGuard; awt::Rectangle aRet; if( mpParent ) { tools::Rectangle aRect( mpParent->getDrawArea() ); tools::Rectangle aParentRect; // get position of the accessible parent in screen coordinates uno::Reference< XAccessible > xParent = getAccessibleParent(); if ( xParent.is() ) { uno::Reference xParentComponent(xParent->getAccessibleContext(), uno::UNO_QUERY); if (xParentComponent.is()) { awt::Size aParentSize = xParentComponent->getSize(); aParentRect = tools::Rectangle(0, 0, aParentSize.Width, aParentSize.Height); } } aRect.Intersection( aParentRect ); aRet.X = aRect.Left(); aRet.Y = aRect.Top(); aRet.Width = aRect.GetWidth(); aRet.Height = aRect.GetHeight(); } return aRet; } awt::Point SAL_CALL ThumbnailViewItemAcc::getLocation() { const awt::Rectangle aRect( getBounds() ); awt::Point aRet; aRet.X = aRect.X; aRet.Y = aRect.Y; return aRet; } // get position of the accessible parent in screen coordinates awt::Point SAL_CALL ThumbnailViewItemAcc::getLocationOnScreen() { const SolarMutexGuard aSolarGuard; awt::Point aRet; if (mpParent) { const Point aPos = mpParent->getDrawArea().TopLeft(); const Point aScreenPos(mpParent->mrParent.GetDrawingArea()->get_accessible_location_on_screen()); aRet.X = aPos.X() + aScreenPos.X(); aRet.Y = aPos.Y() + aScreenPos.X(); } return aRet; } awt::Size SAL_CALL ThumbnailViewItemAcc::getSize() { const awt::Rectangle aRect( getBounds() ); awt::Size aRet; aRet.Width = aRect.Width; aRet.Height = aRect.Height; return aRet; } void SAL_CALL ThumbnailViewItemAcc::grabFocus() { // nothing to do } sal_Int32 SAL_CALL ThumbnailViewItemAcc::getForeground( ) { Color nColor = Application::GetSettings().GetStyleSettings().GetWindowTextColor(); return static_cast(nColor); } sal_Int32 SAL_CALL ThumbnailViewItemAcc::getBackground( ) { return static_cast(Application::GetSettings().GetStyleSettings().GetWindowColor()); } /* vim:set shiftwidth=4 softtabstop=4 expandtab: */