/** ****************************************************************************** * * @file connectionmanager.cpp * @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010. * Parts by Nokia Corporation (qt-info@nokia.com) Copyright (C) 2009. * @brief * @see The GNU Public License (GPL) Version 3 * @defgroup coreplugin * @{ * *****************************************************************************/ /* * 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 3 of the License, or * (at your option) 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 "connectionmanager.h" #include #include #include #include #include "fancytabwidget.h" #include "fancyactionbar.h" #include "mainwindow.h" #include #include #include #include namespace Core { ConnectionManager::ConnectionManager(Internal::MainWindow *mainWindow, Internal::FancyTabWidget *modeStack) : m_availableDevList(0), m_connectBtn(0), m_deviceConnected(false) { QVBoxLayout *top = new QVBoxLayout; top->setSpacing(0); top->setMargin(0); QHBoxLayout *layout = new QHBoxLayout; layout->setSpacing(0); layout->setContentsMargins(5,0,5,0); layout->addWidget(new QLabel("Connections: ")); m_availableDevList = new QComboBox; //m_availableDevList->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed); m_availableDevList->setMinimumWidth(100); m_availableDevList->setMaximumWidth(150); m_availableDevList->setContextMenuPolicy(Qt::CustomContextMenu); layout->addWidget(m_availableDevList); m_connectBtn = new QPushButton("Connect"); m_connectBtn->setEnabled(false); layout->addWidget(m_connectBtn); Utils::StyledBar *bar = new Utils::StyledBar; bar->setLayout(layout); top->addWidget(bar); setLayout(top); modeStack->insertCornerWidget(modeStack->cornerWidgetCount()-1, this); QObject::connect(m_connectBtn, SIGNAL(pressed()), this, SLOT(onConnectPressed())); } ConnectionManager::~ConnectionManager() { } void ConnectionManager::init() { //register to the plugin manager so we can receive //new connection object from plugins QObject::connect(ExtensionSystem::PluginManager::instance(), SIGNAL(objectAdded(QObject*)), this, SLOT(objectAdded(QObject*))); QObject::connect(ExtensionSystem::PluginManager::instance(), SIGNAL(aboutToRemoveObject(QObject*)), this, SLOT(aboutToRemoveObject(QObject*))); } void ConnectionManager::objectAdded(QObject *obj) { //Check if a plugin added a connection object to the pool IConnection *connection = Aggregation::query(obj); if (!connection) return; //qDebug() << "Connection object registered:" << connection->connectionName(); //qDebug() << connection->availableDevices(); //register devices and populate CB devChanged(connection); QObject::connect(connection, SIGNAL(availableDevChanged(IConnection *)), this, SLOT(devChanged(IConnection*))); } void ConnectionManager::aboutToRemoveObject(QObject *obj) { } void ConnectionManager::onConnectPressed() { if(!m_deviceConnected) { m_connectBtn->setText("Disconnect"); m_availableDevList->setEnabled(false); m_deviceConnected = true; m_connectionDevice = findDevice(m_availableDevList->currentText()); if(m_connectionDevice.connection) { QIODevice *ioDev = m_connectionDevice.connection->openDevice(m_connectionDevice.devName); if(ioDev) { emit deviceConnected(ioDev); return; } else { m_connectionDevice.connection = NULL; } } } //both in case of error and disconnection, we fall back here m_connectBtn->setText("Connect"); m_availableDevList->setEnabled(true); m_deviceConnected = false; if(m_connectionDevice.connection) m_connectionDevice.connection->closeDevice(m_connectionDevice.devName); m_connectionDevice.connection = NULL; emit deviceDisconnected(); } devListItem ConnectionManager::findDevice(const QString &displayedName) { foreach(devListItem d, m_devList) { if(d.displayedName == displayedName) { return d; } } qDebug() << "findDevice: cannot find " << displayedName << " in device list"; devListItem d; d.connection = NULL; return d; } void ConnectionManager::unregisterAll(IConnection *connection) { for(QLinkedList::iterator iter = m_devList.begin(); iter != m_devList.end(); ++iter) { if(iter->connection == connection) { iter = m_devList.erase(iter); } } } void ConnectionManager::registerDevice(IConnection *conn, const QString &devN, const QString &disp) { devListItem d; d.connection = conn; d.devName = devN; d.displayedName = disp; m_devList.append(d); } void ConnectionManager::devChanged(IConnection *connection) { //remove all registered devices m_availableDevList->clear(); unregisterAll(connection); //and add them back in the list foreach(QString dev, connection->availableDevices()) { QString cbName = connection->shortName() + ": " + dev; registerDevice(connection, dev, cbName); } //add all the list to the combobox foreach(devListItem d, m_devList) { m_availableDevList->addItem(d.displayedName); } //disable connection button if the list is empty if(m_availableDevList->count() > 0) m_connectBtn->setEnabled(true); else m_connectBtn->setEnabled(false); } } //namespace Core