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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 .
*/
#include <AccessiblePageShape.hxx>
#include <svx/AccessibleShapeInfo.hxx>
#include <svx/IAccessibleViewForwarder.hxx>
#include <comphelper/diagnose_ex.hxx>
#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>
#include <utility>
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 (
uno::Reference<drawing::XDrawPage> xPage,
const uno::Reference<XAccessible>& rxParent,
const AccessibleShapeTreeInfo& rShapeTreeInfo)
: AccessibleShape (AccessibleShapeInfo (nullptr, rxParent), rShapeTreeInfo),
mxPage (std::move(xPage))
{
// 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.getOpenWidth(),
aBBox.getOpenHeight());
}
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: */
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