140 lines
3.4 KiB
C++
140 lines
3.4 KiB
C++
/**
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* @file llurlhistory.cpp
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* @brief Manages a list of recent URLs
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*
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* $LicenseInfo:firstyear=2007&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#include "llviewerprecompiledheaders.h"
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#include "llurlhistory.h"
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#include "lldir.h"
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#include "llsdserialize.h"
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LLSD LLURLHistory::sHistorySD;
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const int MAX_URL_COUNT = 10;
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/////////////////////////////////////////////////////////////////////////////
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// static
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bool LLURLHistory::loadFile(const std::string& filename)
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{
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LLSD data;
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{
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std::string temp_str = gDirUtilp->getLindenUserDir() + gDirUtilp->getDirDelimiter();
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llifstream file((temp_str + filename));
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if (file.is_open())
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{
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llinfos << "Loading history.xml file at " << filename << llendl;
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LLSDSerialize::fromXML(data, file);
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}
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if (data.isUndefined())
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{
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llinfos << "file missing, ill-formed, "
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"or simply undefined; not changing the"
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" file" << llendl;
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sHistorySD = LLSD();
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return false;
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}
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}
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sHistorySD = data;
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return true;
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}
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// static
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bool LLURLHistory::saveFile(const std::string& filename)
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{
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std::string temp_str = gDirUtilp->getLindenUserDir();
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if( temp_str.empty() )
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{
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llinfos << "Can't save URL history - no user directory set yet." << llendl;
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return false;
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}
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temp_str += gDirUtilp->getDirDelimiter() + filename;
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llofstream out(temp_str);
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if (!out.good())
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{
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llwarns << "Unable to open " << filename << " for output." << llendl;
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return false;
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}
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LLSDSerialize::toXML(sHistorySD, out);
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out.close();
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return true;
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}
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// static
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// This function returns a portion of the history llsd that contains the collected
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// url history
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LLSD LLURLHistory::getURLHistory(const std::string& collection)
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{
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if(sHistorySD.has(collection))
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{
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return sHistorySD[collection];
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}
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return LLSD();
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}
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// static
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void LLURLHistory::addURL(const std::string& collection, const std::string& url)
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{
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if(! url.empty())
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{
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sHistorySD[collection].insert(0, url);
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LLURLHistory::limitSize(collection);
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}
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}
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// static
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void LLURLHistory::removeURL(const std::string& collection, const std::string& url)
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{
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LLSD::array_iterator iter = sHistorySD[collection].beginArray();
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LLSD::array_iterator end = sHistorySD[collection].endArray();
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for(int index = 0; index < sHistorySD[collection].size(); index++)
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{
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if(sHistorySD[collection].get(index).asString() == url)
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{
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sHistorySD[collection].erase(index);
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}
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}
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}
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// static
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void LLURLHistory::clear(const std::string& collection)
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{
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sHistorySD[ collection ] = LLSD();
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}
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void LLURLHistory::limitSize(const std::string& collection)
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{
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while(sHistorySD[collection].size() > MAX_URL_COUNT)
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{
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sHistorySD[collection].erase(MAX_URL_COUNT);
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}
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}
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