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Diffstat (limited to 'sd/source/ui/accessibility/AccessiblePageShape.cxx')
| -rw-r--r-- | sd/source/ui/accessibility/AccessiblePageShape.cxx | 261 |
1 files changed, 261 insertions, 0 deletions
diff --git a/sd/source/ui/accessibility/AccessiblePageShape.cxx b/sd/source/ui/accessibility/AccessiblePageShape.cxx new file mode 100644 index 000000000..2900019ae --- /dev/null +++ b/sd/source/ui/accessibility/AccessiblePageShape.cxx @@ -0,0 +1,261 @@ +/* -*- 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 <AccessiblePageShape.hxx> +#include <svx/AccessibleShapeInfo.hxx> +#include <svx/IAccessibleViewForwarder.hxx> +#include <tools/diagnose_ex.h> +#include <tools/gen.hxx> +#include <sal/log.hxx> + +#include <com/sun/star/beans/XPropertySet.hpp> +#include <com/sun/star/drawing/XMasterPageTarget.hpp> +#include <com/sun/star/lang/IndexOutOfBoundsException.hpp> + +using namespace ::com::sun::star; +using namespace ::com::sun::star::uno; +using namespace ::com::sun::star::accessibility; +using ::com::sun::star::uno::Reference; + +namespace accessibility { + +//===== internal ============================================================ + +AccessiblePageShape::AccessiblePageShape ( + const uno::Reference<drawing::XDrawPage>& rxPage, + const uno::Reference<XAccessible>& rxParent, + const AccessibleShapeTreeInfo& rShapeTreeInfo) + : AccessibleShape (AccessibleShapeInfo (nullptr, rxParent), rShapeTreeInfo), + mxPage (rxPage) +{ + // The main part of the initialization is done in the init method which + // has to be called from this constructor's caller. +} + +AccessiblePageShape::~AccessiblePageShape() +{ +} + +//===== XAccessibleContext ================================================== + +sal_Int32 SAL_CALL + AccessiblePageShape::getAccessibleChildCount() +{ + return 0; +} + +/** Forward the request to the shape. Return the requested shape or throw + an exception for a wrong index. +*/ +uno::Reference<XAccessible> SAL_CALL + AccessiblePageShape::getAccessibleChild( sal_Int32 ) +{ + throw lang::IndexOutOfBoundsException ("page shape has no children", + static_cast<uno::XWeak*>(this)); +} + +//===== XAccessibleComponent ================================================ + +awt::Rectangle SAL_CALL AccessiblePageShape::getBounds() +{ + ThrowIfDisposed (); + + awt::Rectangle aBoundingBox; + + if (maShapeTreeInfo.GetViewForwarder() != nullptr) + { + uno::Reference<beans::XPropertySet> xSet (mxPage, uno::UNO_QUERY); + if (xSet.is()) + { + uno::Any aValue; + + aValue = xSet->getPropertyValue ("BorderLeft"); + aValue >>= aBoundingBox.X; + aValue = xSet->getPropertyValue ("BorderTop"); + aValue >>= aBoundingBox.Y; + + aValue = xSet->getPropertyValue ("Width"); + aValue >>= aBoundingBox.Width; + aValue = xSet->getPropertyValue ("Height"); + aValue >>= aBoundingBox.Height; + } + + // Transform coordinates from internal to pixel. + ::Size aPixelSize = maShapeTreeInfo.GetViewForwarder()->LogicToPixel ( + ::Size (aBoundingBox.Width, aBoundingBox.Height)); + ::Point aPixelPosition = maShapeTreeInfo.GetViewForwarder()->LogicToPixel ( + ::Point (aBoundingBox.X, aBoundingBox.Y)); + + // Clip the shape's bounding box with the bounding box of its parent. + Reference<XAccessibleComponent> 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). + ::tools::Rectangle aBBox ( + x, y, x + aPixelSize.getWidth(), y + aPixelSize.getHeight()); + awt::Size aParentSize (xParentComponent->getSize()); + ::tools::Rectangle aParentBBox (0,0, aParentSize.Width, aParentSize.Height); + aBBox = aBBox.GetIntersection (aParentBBox); + aBoundingBox = awt::Rectangle ( + aBBox.Left(), + aBBox.Top(), + aBBox.getWidth(), + aBBox.getHeight()); + } + else + aBoundingBox = awt::Rectangle ( + aPixelPosition.getX(), aPixelPosition.getY(), + aPixelSize.getWidth(), aPixelSize.getHeight()); + } + + return aBoundingBox; +} + +sal_Int32 SAL_CALL AccessiblePageShape::getForeground() +{ + ThrowIfDisposed (); + sal_Int32 nColor (0x0ffffffL); + + try + { + uno::Reference<beans::XPropertySet> aSet (mxPage, uno::UNO_QUERY); + if (aSet.is()) + { + uno::Any aColor = aSet->getPropertyValue ("LineColor"); + aColor >>= nColor; + } + } + catch (const css::beans::UnknownPropertyException&) + { + // Ignore exception and return default color. + } + return nColor; +} + +/** Extract the background color from the Background property of the + draw page or its master page. +*/ +sal_Int32 SAL_CALL AccessiblePageShape::getBackground() +{ + ThrowIfDisposed (); + sal_Int32 nColor (0x01020ffL); + + try + { + uno::Reference<beans::XPropertySet> xSet (mxPage, uno::UNO_QUERY); + if (xSet.is()) + { + uno::Any aBGSet = xSet->getPropertyValue ("Background"); + Reference<beans::XPropertySet> xBGSet (aBGSet, uno::UNO_QUERY); + if ( ! xBGSet.is()) + { + // Draw page has no Background property. Try the master + // page instead. + Reference<drawing::XMasterPageTarget> xTarget (mxPage, uno::UNO_QUERY); + if (xTarget.is()) + { + xSet.set(xTarget->getMasterPage(), uno::UNO_QUERY); + aBGSet = xSet->getPropertyValue ("Background"); + xBGSet.set(aBGSet, uno::UNO_QUERY); + } + } + // Fetch the fill color. Has to be extended to cope with + // gradients, hashes, and bitmaps. + if (xBGSet.is()) + { + uno::Any aColor = xBGSet->getPropertyValue ("FillColor"); + aColor >>= nColor; + } + else + SAL_WARN("sd", "no Background property in page"); + } + } + catch (const css::beans::UnknownPropertyException&) + { + TOOLS_WARN_EXCEPTION("sd", "caught exception due to unknown property"); + // Ignore exception and return default color. + } + return nColor; +} + +// XServiceInfo + +OUString SAL_CALL + AccessiblePageShape::getImplementationName() +{ + ThrowIfDisposed (); + return "AccessiblePageShape"; +} + +css::uno::Sequence< OUString> SAL_CALL + AccessiblePageShape::getSupportedServiceNames() +{ + ThrowIfDisposed (); + return AccessibleShape::getSupportedServiceNames(); +} + +//===== XComponent ========================================================== + +void AccessiblePageShape::dispose() +{ + // Cleanup. + mxShape = nullptr; + + // Call base classes. + AccessibleContextBase::dispose (); +} + +//===== protected internal ================================================== + +OUString + AccessiblePageShape::CreateAccessibleBaseName() +{ + return "PageShape"; +} + +OUString + AccessiblePageShape::CreateAccessibleName() +{ + Reference<beans::XPropertySet> xPageProperties (mxPage, UNO_QUERY); + + // Get name of the current slide. + OUString sCurrentSlideName; + try + { + if (xPageProperties.is()) + { + xPageProperties->getPropertyValue( "LinkDisplayName" ) >>= sCurrentSlideName; + } + } + catch (const beans::UnknownPropertyException&) + { + } + + return CreateAccessibleBaseName()+": "+sCurrentSlideName; +} + +} // end of namespace accessibility + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |