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/*
* The Mana World
* Copyright (C) 2004 The Mana World Development Team
*
* This file is part of The Mana World.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "gui/serverdialog.h"
#include "gui/okdialog.h"
#include "gui/widgets/button.h"
#include "gui/widgets/label.h"
#include "gui/widgets/layout.h"
#include "gui/widgets/listbox.h"
#include "gui/widgets/scrollarea.h"
#include "gui/widgets/textfield.h"
#include "configuration.h"
#include "log.h"
#include "main.h"
#include "net/net.h"
#include "utils/gettext.h"
#include "utils/stringutils.h"
#include "utils/xml.h"
#include <cstdlib>
#include <iostream>
#include <string>
#define MAX_SERVERLIST 5
ServersListModel::ServersListModel(ServerInfos *servers, ServerDialog *parent):
mServers(servers),
mParent(parent)
{
}
int ServersListModel::getNumberOfElements()
{
MutexLocker lock = mParent->lock();
return mServers->size();
}
std::string ServersListModel::getElementAt(int elementIndex)
{
MutexLocker lock = mParent->lock();
ServerInfo server = mServers->at(elementIndex);
std::string myServer;
if (server.name.empty())
{
myServer += server.hostname;
myServer += ":";
myServer += toString(server.port);
}
else
{
myServer += server.name;
myServer += " (";
myServer += server.hostname;
myServer += ":";
myServer += toString(server.port);
myServer += ")";
}
return myServer;
}
ServerDialog::ServerDialog(ServerInfo *serverInfo, const std::string &dir):
Window(_("Choose Your Server")),
mDir(dir),
mDownloadStatus(DOWNLOADING_PREPARING),
mDownloadProgress(-1.0f),
mServers(ServerInfos()),
mServerInfo(serverInfo)
{
Label *serverLabel = new Label(_("Server:"));
Label *portLabel = new Label(_("Port:"));
mServerNameField = new TextField(mServerInfo->hostname);
mPortField = new TextField(toString(mServerInfo->port));
ServerInfo currentServer;
// Add the most used servers from config if they are not in the online list
std::string currentConfig = "";
for (int i = 0; i <= MAX_SERVERLIST; i++)
{
currentServer.clear();
currentConfig = "MostUsedServerName" + toString(i);
currentServer.hostname = config.getValue(currentConfig, "");
currentConfig = "MostUsedServerPort" + toString(i);
currentServer.port = (short) config.getValue(currentConfig, DEFAULT_PORT);
if (!currentServer.hostname.empty() && currentServer.port != 0)
{
mServers.push_back(currentServer);
}
}
mServersListModel = new ServersListModel(&mServers, this);
mServersList = new ListBox(mServersListModel);
ScrollArea *usedScroll = new ScrollArea(mServersList);
usedScroll->setHorizontalScrollPolicy(gcn::ScrollArea::SHOW_NEVER);
mDescription = new Label(std::string());
mQuitButton = new Button(_("Quit"), "quit", this);
mConnectButton = new Button(_("Connect"), "connect", this);
mManualEntryButton = new Button(_("Add Entry"), "addEntry", this);
mServerNameField->setActionEventId("connect");
mPortField->setActionEventId("connect");
mServerNameField->addActionListener(this);
mPortField->addActionListener(this);
mManualEntryButton->addActionListener(this);
mServersList->addSelectionListener(this);
mServersList->setSelected(0);
usedScroll->setVerticalScrollAmount(0);
place(0, 0, serverLabel);
place(1, 0, mServerNameField, 3).setPadding(3);
place(0, 1, portLabel);
place(1, 1, mPortField, 3).setPadding(3);
place(0, 2, usedScroll, 4, 5).setPadding(3);
place(0, 7, mDescription, 4);
place(0, 8, mManualEntryButton);
place(2, 8, mQuitButton);
place(3, 8, mConnectButton);
// Make sure the list has enough height
getLayout().setRowHeight(3, 80);
reflowLayout(300, 0);
center();
setFieldsReadOnly(true);
setVisible(true);
if (mServerNameField->getText().empty()) {
mServerNameField->requestFocus();
} else {
if (mPortField->getText().empty()) {
mPortField->requestFocus();
} else {
mConnectButton->requestFocus();
}
}
downloadServerList();
}
ServerDialog::~ServerDialog()
{
delete mServersListModel;
}
void ServerDialog::action(const gcn::ActionEvent &event)
{
if (event.getId() == "ok")
{
// Give focus back to the server dialog.
mServerNameField->requestFocus();
}
else if (event.getId() == "connect")
{
// Check login
if (mServerNameField->getText().empty() || mPortField->getText().empty())
{
OkDialog *dlg = new OkDialog(_("Error"),
_("Please type both the address and the port of a server."));
dlg->addActionListener(this);
}
else
{
mDownload->cancel();
mQuitButton->setEnabled(false);
mConnectButton->setEnabled(false);
// First, look if the entry is a new one.
ServerInfo currentServer;
ServerInfo tempServer;
currentServer.hostname = mServerNameField->getText();
currentServer.port = (short) atoi(mPortField->getText().c_str());
// now rewrite the configuration...
// id = 0 is always the last selected server
config.setValue("MostUsedServerName0", currentServer.hostname);
config.setValue("MostUsedServerPort0", currentServer.port);
// now add the rest of the list...
std::string currentConfig = "";
int configCount = 1;
for (int i = 0; i < mServersListModel->getNumberOfElements(); i++)
{
tempServer = mServersListModel->getServer(i);
// ensure, that our server will not be added twice
if (tempServer != currentServer)
{
currentConfig = "MostUsedServerName" + toString(configCount);
config.setValue(currentConfig, toString(tempServer.hostname));
currentConfig = "MostUsedServerPort" + toString(configCount);
config.setValue(currentConfig, toString(tempServer.port));
configCount++;
}
// stop if we exceed the number of maximum config entries
if (configCount >= MAX_SERVERLIST)
break;
}
mServerInfo->hostname = currentServer.hostname;
mServerInfo->port = currentServer.port;
state = STATE_CONNECT_SERVER;
}
}
else if (event.getId() == "quit")
{
mDownload->cancel();
state = STATE_FORCE_QUIT;
}
else if (event.getId() == "addEntry")
{
setFieldsReadOnly(false);
}
}
void ServerDialog::valueChanged(const gcn::SelectionEvent &event)
{
const int index = mServersList->getSelected();
if (index == -1)
return;
// Update the server and post fields according to the new selection
const ServerInfo myServer = mServersListModel->getServer(index);
mDescription->setCaption(myServer.name);
mServerNameField->setText(myServer.hostname);
mPortField->setText(toString(myServer.port));
setFieldsReadOnly(true);
}
void ServerDialog::logic()
{
{
MutexLocker lock(&mMutex);
if (mDownloadStatus == DOWNLOADING_COMPLETE)
{
mDownloadStatus = DOWNLOADING_OVER;
mDescription->setCaption(std::string());
}
else if (mDownloadStatus == DOWNLOADING_IN_PROGRESS)
{
mDescription->setCaption(strprintf(_("Downloading server list..."
"%2.2f%%"),
mDownloadProgress * 100));
}
else if (mDownloadStatus == DOWNLOADING_IDLE)
{
mDescription->setCaption(_("Waiting for server..."));
}
else if (mDownloadStatus == DOWNLOADING_PREPARING)
{
mDescription->setCaption(_("Preparing download"));
}
}
Window::logic();
}
void ServerDialog::setFieldsReadOnly(const bool readOnly)
{
if (readOnly)
{
mServerNameField->setEnabled(false);
mPortField->setEnabled(false);
mManualEntryButton->setVisible(true);
mDescription->setVisible(true);
}
else
{
mManualEntryButton->setVisible(false);
mDescription->setVisible(false);
mDescription->setCaption(std::string());
mServersList->setSelected(-1);
mServerNameField->setText(std::string());
mServerNameField->setEnabled(true);
mPortField->setText(toString(DEFAULT_PORT));
mPortField->setEnabled(true);
mServerNameField->requestFocus();
}
}
void ServerDialog::downloadServerList()
{
// try to load the configuration value for the onlineServerList
std::string listFile = config.getValue("onlineServerList", "void");
// if there is no entry, try to load the file from the default updatehost
if (listFile == "void")
listFile = config.getValue("updatehost", "http://updates.themanaworld.org")
+ "/serverlist.xml";
mDownload = new Net::Download(this, listFile, &downloadUpdate);
mDownload->setFile(mDir + "/serverlist.xml");
mDownload->start();
}
void ServerDialog::loadServers()
{
ServerInfo currentServer;
xmlDocPtr doc = xmlReadFile((mDir + "/serverlist.xml").c_str(), NULL, 0);
if (doc != NULL)
{
xmlNodePtr rootNode = xmlDocGetRootElement(doc);
int version = XML::getProperty(rootNode, "version", 3);
if (version != 1)
{
logger->log("Online server list has wrong version");
return;
}
for_each_xml_child_node(server, rootNode)
{
if (xmlStrEqual(server->name, BAD_CAST "server"))
{
//check wether the build matches
if (compareStrI(XML::getProperty(server, "type", "unknown"),
SERVER_BUILD))
{
continue;
}
currentServer.clear();
currentServer.name = XML::getProperty(server, "name", std::string());
for_each_xml_child_node(subnode, server)
{
if (xmlStrEqual(subnode->name, BAD_CAST "connection"))
{
currentServer.hostname = XML::getProperty(subnode, "hostname", std::string());
currentServer.port = XML::getProperty(subnode, "port", DEFAULT_PORT);
}
}
MutexLocker lock(&mMutex);
// add the server to the local list (if it's not already present)
ServerInfos::iterator it;
bool found = false;
for (it = mServers.begin(); it != mServers.end(); it++)
{
if ((*it) == currentServer)
{
(*it).name = currentServer.name;
found = true;
break;
}
}
if (!found)
mServers.push_back(currentServer);
}
}
xmlFreeDoc(doc);
}
MutexLocker lock(&mMutex);
mDownloadStatus = DOWNLOADING_COMPLETE;
}
int ServerDialog::downloadUpdate(void *ptr, DownloadStatus status,
size_t total, size_t remaining)
{
if (status == DOWNLOAD_STATUS_CANCELLED)
return -1;
ServerDialog *sd = reinterpret_cast<ServerDialog*>(ptr);
bool finished = false;
if (status == DOWNLOAD_STATUS_COMPLETE)
{
finished = true;
}
else if (status < 0)
{
logger->log("Error retreiving server list: %s\n",
sd->mDownload->getError());
finished = true;
}
else
{
float progress = (float) remaining / total;
if (progress != progress) progress = 0.0f; // check for NaN
if (progress < 0.0f) progress = 0.0f; // no idea how this could ever happen, but why not check for it anyway.
if (progress > 1.0f) progress = 1.0f;
MutexLocker lock(&sd->mMutex);
sd->mDownloadStatus = DOWNLOADING_IN_PROGRESS;
sd->mDownloadProgress = progress;
}
if (finished)
{
sd->loadServers();
}
return 0;
}
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