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/**
* @file llurlhistory.cpp
* @brief Manages a list of recent URLs
*
* $LicenseInfo:firstyear=2007&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, 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 "llurlhistory.h"
#include "lldir.h"
#include "llsdserialize.h"
LLSD LLURLHistory::sHistorySD;
const int MAX_URL_COUNT = 10;
/////////////////////////////////////////////////////////////////////////////
// static
bool LLURLHistory::loadFile(const std::string& filename)
{
LLSD data;
{
std::string temp_str = gDirUtilp->getLindenUserDir() + gDirUtilp->getDirDelimiter();
llifstream file((temp_str + filename));
if (file.is_open())
{
llinfos << "Loading history.xml file at " << filename << llendl;
LLSDSerialize::fromXML(data, file);
}
if (data.isUndefined())
{
llinfos << "file missing, ill-formed, "
"or simply undefined; not changing the"
" file" << llendl;
sHistorySD = LLSD();
return false;
}
}
sHistorySD = data;
return true;
}
// static
bool LLURLHistory::saveFile(const std::string& filename)
{
std::string temp_str = gDirUtilp->getLindenUserDir();
if( temp_str.empty() )
{
llinfos << "Can't save URL history - no user directory set yet." << llendl;
return false;
}
temp_str += gDirUtilp->getDirDelimiter() + filename;
llofstream out(temp_str);
if (!out.good())
{
llwarns << "Unable to open " << filename << " for output." << llendl;
return false;
}
LLSDSerialize::toXML(sHistorySD, out);
out.close();
return true;
}
// static
// This function returns a portion of the history llsd that contains the collected
// url history
LLSD LLURLHistory::getURLHistory(const std::string& collection)
{
if(sHistorySD.has(collection))
{
return sHistorySD[collection];
}
return LLSD();
}
// static
void LLURLHistory::addURL(const std::string& collection, const std::string& url)
{
if(! url.empty())
{
sHistorySD[collection].insert(0, url);
LLURLHistory::limitSize(collection);
}
}
// static
void LLURLHistory::removeURL(const std::string& collection, const std::string& url)
{
for(int index = 0; index < sHistorySD[collection].size(); index++)
{
if(sHistorySD[collection].get(index).asString() == url)
{
sHistorySD[collection].erase(index);
}
}
}
// static
void LLURLHistory::clear(const std::string& collection)
{
sHistorySD[ collection ] = LLSD();
}
void LLURLHistory::limitSize(const std::string& collection)
{
while(sHistorySD[collection].size() > MAX_URL_COUNT)
{
sHistorySD[collection].erase(MAX_URL_COUNT);
}
}
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