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/**
* @file llimagefiltersmanager.cpp
* @brief Load image filters list and retrieve their path.
*
* $LicenseInfo:firstyear=2001&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2014, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library 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 for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#include "llviewerprecompiledheaders.h"
#include "llimagefiltersmanager.h"
#include "lldiriterator.h"
#include "lltrans.h"
std::string get_sys_dir()
{
return gDirUtilp->getExpandedFilename(LL_PATH_APP_SETTINGS, "filters", "");
}
//---------------------------------------------------------------------------
// LLImageFiltersManager
//---------------------------------------------------------------------------
LLImageFiltersManager::LLImageFiltersManager()
{
}
LLImageFiltersManager::~LLImageFiltersManager()
{
}
// virtual
void LLImageFiltersManager::initSingleton()
{
loadAllFilters();
}
void LLImageFiltersManager::loadAllFilters()
{
// Load system (coming out of the box) filters
loadFiltersFromDir(get_sys_dir());
}
void LLImageFiltersManager::loadFiltersFromDir(const std::string& dir)
{
mFiltersList.clear();
LLDirIterator dir_iter(dir, "*.xml");
while (1)
{
std::string file_name;
if (!dir_iter.next(file_name))
{
break; // no more files
}
// Get the ".xml" out of the file name to get the filter name. That's the one known in strings.xml
std::string filter_name_untranslated = file_name.substr(0,file_name.length()-4);
// Get the localized name for the filter
std::string filter_name_translated;
bool translated = LLTrans::findString(filter_name_translated, filter_name_untranslated);
std::string filter_name = (translated ? filter_name_translated: filter_name_untranslated);
// Store the filter in the list with its associated file name
mFiltersList[filter_name] = file_name;
}
}
// Note : That method is a bit heavy handed but the list of filters is always small (10 or so)
// and that method is typically called only once when building UI widgets.
const std::vector<std::string> LLImageFiltersManager::getFiltersList() const
{
std::vector<std::string> filter_list;
for (std::map<std::string,std::string>::const_iterator it = mFiltersList.begin(); it != mFiltersList.end(); ++it)
{
filter_list.push_back(it->first);
}
return filter_list;
}
std::string LLImageFiltersManager::getFilterPath(const std::string& filter_name)
{
std::string path = "";
std::map<std::string,std::string>::const_iterator it = mFiltersList.find(filter_name);
if (it != mFiltersList.end())
{
// Get the file name for that filter and build the complete path
std::string file = it->second;
std::string dir = get_sys_dir();
path = gDirUtilp->add(dir, file);
}
return path;
}
//============================================================================
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