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/**
* @file lllocationhistory.cpp
* @brief Typed locations history
*
* $LicenseInfo:firstyear=2009&license=viewergpl$
*
* Copyright (c) 2009, Linden Research, Inc.
*
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at
* http://secondlifegrid.net/programs/open_source/licensing/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
#include "llviewerprecompiledheaders.h"
#include "lllocationhistory.h"
#include <iomanip> // for std::setw()
#include "llui.h"
#include "llagent.h"
#include "llslurl.h"
#include "llviewerregion.h"
#include "llviewerparcelmgr.h"
void addLocationHistory()
{
LLVector3 position = gAgent.getPositionAgent();
std::string region_name = gAgent.getRegion()->getName();
std::string location = LLSLURL::buildSLURL(region_name, position.mV[VX],
position.mV[VY], position.mV[VZ]);
LLLocationHistory* lh = LLLocationHistory::getInstance();
lh->addItem(location);
lh->save();
}
LLLocationHistory::LLLocationHistory() :
mFilename("typed_locations.txt"),
mLoadedCallback(NULL)
{
LLViewerParcelMgr::getInstance()->setTeleportFinishedCallback(addLocationHistory);
}
void LLLocationHistory::addItem(std::string item)
{
static LLUICachedControl<S32> max_items("LocationHistoryMaxSize", 100);
mItems.push_back(item);
// If the vector size exceeds the maximum, purge the oldest items.
if ((S32)mItems.size() > max_items)
mItems.erase(mItems.begin(), mItems.end()-max_items);
}
bool LLLocationHistory::getMatchingItems(std::string substring, location_list_t& result) const
{
// *TODO: an STL algorithm would look nicer
result.clear();
std::string needle = substring;
LLStringUtil::toLower(needle);
for (location_list_t::const_iterator it = mItems.begin(); it != mItems.end(); ++it)
{
std::string haystack = *it;
LLStringUtil::toLower(haystack);
if (haystack.find(needle) != std::string::npos)
result.push_back(*it);
}
return result.size();
}
void LLLocationHistory::dump() const
{
llinfos << "Location history dump:" << llendl;
int i = 0;
for (location_list_t::const_iterator it = mItems.begin(); it != mItems.end(); ++it, ++i)
{
llinfos << "#" << std::setw(2) << std::setfill('0') << i << ": " << *it << llendl;
}
}
void LLLocationHistory::save() const
{
// build filename for each user
std::string resolved_filename = gDirUtilp->getExpandedFilename(LL_PATH_PER_SL_ACCOUNT, mFilename);
// open a file for writing
llofstream file (resolved_filename);
if (!file.is_open())
{
llwarns << "can't open location history file \"" << mFilename << "\" for writing" << llendl;
return;
}
for (location_list_t::const_iterator it = mItems.begin(); it != mItems.end(); ++it)
file << (*it) << std::endl;
file.close();
}
void LLLocationHistory::load()
{
llinfos << "Loading location history." << llendl;
// build filename for each user
std::string resolved_filename = gDirUtilp->getExpandedFilename(LL_PATH_PER_SL_ACCOUNT, mFilename);
llifstream file(resolved_filename);
if (!file.is_open())
{
llwarns << "can't load location history from file \"" << mFilename << "\"" << llendl;
return;
}
// remove current entries before we load over them
mItems.clear();
// add each line in the file to the list
std::string line;
while (std::getline(file, line))
addItem(line);
file.close();
if (mLoadedCallback)
mLoadedCallback();
}
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