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/* -*- 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.
*
************************************************************************/
#include "sal/config.h"
#include "boost/noncopyable.hpp"
#include "boost/unordered_map.hpp"
#include "com/sun/star/container/XNameAccess.hpp"
#include "com/sun/star/container/XNameContainer.hpp"
#include "com/sun/star/lang/XMultiServiceFactory.hpp"
#include "com/sun/star/uno/Any.hxx"
#include "com/sun/star/uno/Reference.hxx"
#include "com/sun/star/uno/RuntimeException.hpp"
#include "com/sun/star/uno/Sequence.hxx"
#include "comphelper/processfactory.hxx"
#include "rtl/ustring.h"
#include "rtl/ustring.hxx"
#include "vcl/svapp.hxx"
namespace {
namespace css = com::sun::star;
class ColorNameMap: private boost::noncopyable {
public:
ColorNameMap();
rtl::OUString lookUp(long color) const;
private:
typedef boost::unordered_map< long, rtl::OUString > Map;
Map map_;
};
ColorNameMap::ColorNameMap() {
css::uno::Sequence< rtl::OUString > aNames;
css::uno::Reference< css::container::XNameAccess > xNA;
try
{
// Create color table in which to look up the given color.
css::uno::Reference< css::container::XNameContainer > xColorTable (
comphelper::getProcessServiceFactory()->createInstance(
rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.drawing.ColorTable")) ),
css::uno::UNO_QUERY);
// Get list of color names in order to iterate over the color table.
xNA = css::uno::Reference< css::container::XNameAccess >(xColorTable, css::uno::UNO_QUERY);
if (xNA.is())
{
// Lock the solar mutex here as workarround for missing lock in
// called function.
SolarMutexGuard aGuard;
aNames = xNA->getElementNames();
}
}
catch (css::uno::RuntimeException const&)
{
// When an exception occurred then whe have an empty name sequence
// and the loop below is not entered.
}
// Fill the map to convert from numerical color values to names.
if (xNA.is())
for (long int i=0; i<aNames.getLength(); i++)
{
// Get the numerical value for the i-th color name.
try
{
css::uno::Any aColor (xNA->getByName (aNames[i]));
long nColor = 0;
aColor >>= nColor;
map_[nColor] = aNames[i];
}
catch (css::uno::RuntimeException const&)
{
// Ignore the exception: the color who lead to the exception
// is not included into the map.
}
}
}
rtl::OUString ColorNameMap::lookUp(long color) const {
Map::const_iterator i(map_.find(color));
if (i != map_.end()) {
return i->second;
}
// Did not find the given color; return its RGB tuple representation:
rtl::OUStringBuffer buf;
buf.append(sal_Unicode('#'));
buf.append(color, 16);
return buf.makeStringAndClear();
}
struct theColorNameMap: public rtl::Static< ColorNameMap, theColorNameMap > {};
}
namespace accessibility {
rtl::OUString lookUpColorName(long color) {
return theColorNameMap::get().lookUp(color);
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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