148 lines
4.7 KiB
C++
148 lines
4.7 KiB
C++
/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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// MARKER(update_precomp.py): autogen include statement, do not remove
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#include "precompiled_svx.hxx"
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#include "DGColorNameLookUp.hxx"
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#include <com/sun/star/container/XNameContainer.hpp>
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#include <com/sun/star/container/XNameAccess.hpp>
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#include <com/sun/star/lang/XMultiServiceFactory.hpp>
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#include <comphelper/processfactory.hxx>
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#include <vos/mutex.hxx>
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#include <vcl/svapp.hxx>
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using ::rtl::OUString;
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using namespace ::com::sun::star;
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namespace accessibility {
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// Initialize the class instance with NULL. A true instance is created only
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// when the static <member>Instance</member> is called for the first time.
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DGColorNameLookUp* DGColorNameLookUp::mpInstance = NULL;
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DGColorNameLookUp& DGColorNameLookUp::Instance (void)
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{
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// Using double check pattern to make sure that exactly one instance of
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// the shape type handler is instantiated.
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if (mpInstance == NULL)
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{
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::vos::OGuard aGuard (::Application::GetSolarMutex());
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if (mpInstance == NULL)
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{
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// Create the single instance of the color name look up.
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mpInstance = new DGColorNameLookUp();
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}
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}
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return *mpInstance;
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}
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OUString DGColorNameLookUp::LookUpColor (long int nColor) const
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{
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OUString sColorName;
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tColorValueToNameMap::const_iterator I;
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I = maColorValueToNameMap.find (nColor);
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if (I != maColorValueToNameMap.end())
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// Found the color value. Return the associated name.
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sColorName = I->second;
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else
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{
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// Did not find the given color. Append its rgb tuple to the
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// description.
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::rtl::OUStringBuffer sNameBuffer;
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sNameBuffer.append (sal_Unicode('#'));
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sNameBuffer.append (nColor, 16);
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sColorName = sNameBuffer.makeStringAndClear();
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}
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return sColorName;
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}
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DGColorNameLookUp::DGColorNameLookUp (void)
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{
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uno::Sequence<OUString> aNames;
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uno::Reference<container::XNameAccess> xNA;
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try
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{
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// Create color table in which to look up the given color.
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uno::Reference<container::XNameContainer> xColorTable (
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::comphelper::getProcessServiceFactory()->createInstance(
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OUString::createFromAscii("com.sun.star.drawing.ColorTable")),
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uno::UNO_QUERY);
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// Get list of color names in order to iterate over the color table.
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xNA = uno::Reference<container::XNameAccess>(xColorTable, uno::UNO_QUERY);
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if (xNA.is())
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{
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// Look the solar mutex here as workarround for missing lock in
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// called function.
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::vos::OGuard aGuard (::Application::GetSolarMutex());
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aNames = xNA->getElementNames();
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}
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}
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catch (uno::RuntimeException e)
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{
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// When an excpetion occured then whe have an empty name sequence
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// and the loop below is not entered.
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}
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// Fill the map to convert from numerical color values to names.
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if (xNA.is())
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for (long int i=0; i<aNames.getLength(); i++)
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{
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// Get the numerical value for the i-th color name.
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try
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{
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uno::Any aColor (xNA->getByName (aNames[i]));
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long nColor = 0;
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aColor >>= nColor;
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maColorValueToNameMap[nColor] = aNames[i];
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}
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catch (uno::RuntimeException e)
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{
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// Ignore the exception: the color who lead to the excpetion
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// is not included into the map.
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}
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}
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}
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DGColorNameLookUp::~DGColorNameLookUp (void)
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{
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maColorValueToNameMap.clear();
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}
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} // end of namespace accessibility
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