+/***************************************************************************
+ * Copyright (C) 2010 by Ixonos Plc *
+ * *
+ * 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; version 2 of the License. *
+ * *
+ * 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 <qtrapids/dbus.hpp>
+
+#include <QDebug>
+#include <QtGui/QMenuBar>
+#include <QtGui/QToolBar>
+#include <QAction>
+#include <QFileDialog>
+#include <QMessageBox>
+//#include <QTreeWidgetItem>
+#include <QApplication>
+#include <QPluginLoader>
+
+#include "DownloadView.h"
+#include "SeedView.h"
+#include "PreferencesDialog.h"
+#include "ColumnSelectorDialog.h"
+
+#include "MainWindow.h"
+
+namespace qtrapids
+{
+
+const QString ABOUT_TEXT
+= QString(QObject::trUtf8("QtRapids, a simple BitTorrent client based on"
+ "\nQt and Libtorrent."
+ "\n\nURL: http://qtrapids.garage.maemo.org/"
+ "\n\nAuthors:\nLassi Väätämöinen, lassi.vaatamoinen@ixonos.com"
+ "\nDenis Zalevskiy, denis.zalewsky@gmail.com"
+ "\n\nIxonos Plc, Finland\n"));
+
+const QString PLUGINS_DIR = "plugins";
+
+// Consturctor
+MainWindow::MainWindow() :
+ QMainWindow(), // Superclass
+ tabWidget_(NULL),
+ dlView_(NULL),
+ seedView_(NULL),
+ searchWidget_(NULL),
+ startDaemonAction_(NULL),
+ stopDaemonAction_(NULL),
+ preferencesDialog_(NULL),
+ settings_(QCoreApplication::organizationName()
+ , QCoreApplication::applicationName()),
+ pluginDirs_(),
+ server_(QtRapidsServer::staticInterfaceName()
+ , "/qtrapids", QDBusConnection::sessionBus())
+ // torrentHandles_(),
+{
+
+ setWindowTitle("QtRapids");
+
+ // MENUBAR
+ QMenuBar *menuBar = new QMenuBar();
+ QMenu *tempMenu = NULL;
+
+ tempMenu = menuBar->addMenu(tr("&File"));
+ QAction *openAction = tempMenu->addAction(tr("&Open"));
+ QAction *removeAction = tempMenu->addAction(tr("&Remove"));
+ removeAction->setEnabled(false);
+
+ startDaemonAction_ = tempMenu->addAction(tr("S&tart daemon"));
+ stopDaemonAction_ = tempMenu->addAction(tr("Sto&p daemon"));
+ startDaemonAction_->setEnabled(false);
+
+ QAction *quitAction = tempMenu->addAction(tr("&Quit"));
+
+ tempMenu = menuBar->addMenu(tr("&View"));
+ QAction *columnsAction = tempMenu->addAction(tr("&Columns"));
+
+ tempMenu = menuBar->addMenu(tr("&Settings"));
+ QAction *preferencesAction = tempMenu->addAction(tr("&Preferences"));
+
+ tempMenu = menuBar->addMenu(tr("&Help"));
+ QAction *aboutAction = tempMenu->addAction(tr("&About"));
+ QAction *aboutQtAction = tempMenu->addAction(tr("About &Qt"));
+
+ setMenuBar(menuBar);
+ connect(openAction, SIGNAL(triggered()), this, SLOT(on_openAction_clicked()));
+ connect(removeAction, SIGNAL(triggered()), this, SLOT(on_removeAction_clicked()));
+ connect(this, SIGNAL(itemSelected(bool)), removeAction, SLOT(setEnabled(bool)));
+ connect(quitAction, SIGNAL(triggered()), this, SLOT(on_quitAction_clicked()));
+ connect(startDaemonAction_, SIGNAL(triggered()), this, SLOT(on_startDaemonAction_clicked()));
+ connect(stopDaemonAction_, SIGNAL(triggered()), this, SLOT(on_stopDaemonAction_clicked()));
+ connect(columnsAction, SIGNAL(triggered()), this, SLOT(on_columnsAction_clicked()));
+ connect(preferencesAction, SIGNAL(triggered()), this, SLOT(on_preferencesAction_clicked()));
+ connect(aboutAction, SIGNAL(triggered()), this, SLOT(on_aboutAction_clicked()));
+ connect(aboutQtAction, SIGNAL(triggered()), this, SLOT(on_aboutQtAction_clicked()));
+
+ // TABWIDGET (central widget)
+ tabWidget_ = new QTabWidget();
+ tabWidget_->setTabsClosable(true);
+
+ /// @todo Exception handling
+ dlView_ = new DownloadView(this);
+ //seedView_ = new SeedView(this);
+ tabWidget_->addTab(dlView_, tr("Downloads"));
+ //tabWidget_->addTab(seedView_, tr("Seeds"));
+ connect(dlView_, SIGNAL(itemSelectionChanged()), this,
+ SLOT(on_downloadItemSelectionChanged()));
+
+ //connect(seedView_, SIGNAL(itemSelectionChanged()), this,
+ // SLOT(on_seedItemSelectionChanged()));
+
+ // Tab widget as central widget.
+ setCentralWidget(tabWidget_);
+
+ // TOOLBAR
+ QToolBar *toolBar = new QToolBar();
+ toolBar->addAction(tr("Open"));
+ removeAction = toolBar->addAction(tr("Remove"));
+ removeAction->setEnabled(false);
+ addToolBar(Qt::BottomToolBarArea, toolBar);
+
+ connect(this, SIGNAL(itemSelected(bool)), removeAction,
+ SLOT(setEnabled(bool)));
+ connect(toolBar, SIGNAL(actionTriggered(QAction*)), this,
+ SLOT(handleToolBarAction(QAction*)));
+ connect (tabWidget_, SIGNAL(tabCloseRequested(int)), this, SLOT(on_tabWidget_tabCloseRequested(int)));
+
+ connect(&server_, SIGNAL(alert(qtrapids::TorrentState, qtrapids::ParamsMap_t)),
+ this, SLOT(on_alert(qtrapids::TorrentState, qtrapids::ParamsMap_t)));
+
+ connect(&server_, SIGNAL(sessionTerminated()), this, SLOT(on_serverTerminated()));
+
+// connect(&btSession_, SIGNAL(alert(std::auto_ptr<Alert>)),
+// this, SLOT(on_alert(std::auto_ptr<Alert>)));
+
+
+ LoadPlugins();
+
+}
+
+
+MainWindow::~MainWindow()
+{
+ settings_.setValue("geometry", saveGeometry());
+}
+
+// ===================== Implements PluginInterface =========================
+/// @todo add PluginInterface parameter to request plugin name
+bool MainWindow::setGui(QWidget* widget, PluginWidgetType type, qtrapids::PluginInterface* plugin)
+{
+#ifdef QTRAPIDS_DEBUG
+ qDebug() << "MainWindow::setGui():" << dlView_->currentItem();
+#endif
+
+ if (plugin && plugin->identifier() == "SearchPlugin") {
+ searchWidget_ = widget;
+ } else {
+ return false;
+ }
+
+ tabWidget_->addTab(widget, tr("Search"));
+ return true;
+}
+
+/// @todo Add PluginInterface parameter to check which plugin gives the widget, to handle appropriately
+void MainWindow::addPluginWidget(QWidget* widget, PluginWidgetType type)
+{
+#ifdef QTRAPIDS_DEBUG
+ qDebug() << "MainWindow::addPluginWidget():" << dlView_->currentItem();
+#endif
+
+ if (type == qtrapids::PluginHostInterface::TAB_PAGE) {
+ int index = tabWidget_->addTab(widget, tr("Results"));
+ tabWidget_->setCurrentIndex(index);
+ //layout_->addWidget(widget);
+ }
+}
+void MainWindow::addToolbar(QWidget* widget, PluginWidgetType type)
+{
+}
+
+void MainWindow::addToolItem(QWidget* widget, PluginWidgetType type)
+{
+}
+
+void MainWindow::addMenu(QWidget* widget, PluginWidgetType type)
+{
+}
+
+void MainWindow::addMenuItem(QWidget* widget, PluginWidgetType type)
+{
+}
+
+bool MainWindow::eventRequest(QVariant param, PluginRequest req)
+{
+ if (req == qtrapids::PluginHostInterface::OPEN_FILE) {
+ QString sourceFile = param.toString();
+
+ // Get the source files name from the full path:
+ QFileInfo fInfo(sourceFile);
+ QString targetFile = fInfo.fileName();
+ targetFile = settings_.value("download/directory").toString() + "/" + targetFile;
+
+ // Copy temoporary file to Downloads directory...
+ if (!QFile::copy(sourceFile, targetFile)) {
+ qDebug() << "File copying failed";
+ return false;
+ } else {
+ // If copying was successful, remove the original temporary file.
+ QFile::remove(sourceFile);
+ }
+
+ /// @todo Torrent bencoding validity should be checked before starting(?)
+ // ...and start the torrent:
+ on_torrentFileSelected(targetFile);
+
+ } else if (req == qtrapids::PluginHostInterface::READ_BUFFER) {
+ // Create torrent information from char* buffer and start.
+ StartTorrentFromBufferData(param.toByteArray().constData(), param.toByteArray().size());
+ }
+
+ return true;
+}
+
+
+//=========================== PRIVATE ================================
+
+void MainWindow::LoadPlugins()
+{
+ // Get plugin directories from
+ QStringList pluginDirsTmp = settings_.value("plugins/path").toStringList();
+ QStringList nameFilters("*.so");
+
+ /// @todo enable "application directory" for plugin search in development/debug mode only. In release version
+ /// search plugins directory under $HOME/.qtrapids or system library paths
+ pluginDirsTmp << qApp->applicationDirPath();
+ pluginDirsTmp.removeDuplicates();
+
+ foreach (QString dir, pluginDirsTmp) {
+ pluginDirs_.append(QDir(dir));
+ }
+
+ foreach (QDir dir, pluginDirs_) {
+
+ if (dir.cd(PLUGINS_DIR)) {
+
+ foreach (QString fileName, dir.entryList(nameFilters, QDir::Files)) {
+ QPluginLoader pluginLoader(dir.absoluteFilePath(fileName));
+
+ // If plugin not loaded from another directory, then load
+ if (!pluginFileNames_.contains(fileName) && QLibrary::isLibrary(fileName)) {
+
+ if (pluginLoader.load()) {
+ qDebug() << "Plugin loaded: " << fileName;
+ } else {
+ qWarning() << "Plugin load failed: " << pluginLoader.errorString();
+ }
+
+ QObject *baseInstance = pluginLoader.instance();
+ if (!baseInstance) {
+ qDebug() << "Base instance = NULL.";
+ }
+
+ qtrapids::PluginInterface *plugin = qobject_cast<qtrapids::PluginInterface*>(baseInstance);
+
+ if (!plugin) {
+ qDebug() << "Cast failed.";
+ } else {
+ qtrapids::PluginInterface::Info info;
+ info.directory = dir.path();
+ qDebug() << dir.path();
+ plugin->initialize(this, info);
+ pluginFileNames_ += fileName;
+ }
+ } else {
+ qWarning() << "Plugin "
+ << fileName
+ << " already loaded from another directory, or not a valid library file";
+ }
+ }
+
+ } else {
+ qWarning() << PLUGINS_DIR << "directory not accessible or does not exist in " << dir.path();
+ }
+ }
+}
+
+
+void MainWindow::RestoreSettings()
+{
+
+ // Restore previous main window geometry:
+ QVariant geometry(settings_.value("geometry"));
+ if (!geometry.isNull()) {
+ qDebug() << "restoring geometry";
+ restoreGeometry(geometry.toByteArray());
+ }
+
+ // Restore DownloadView columns:
+ dlView_->restoreView();
+
+ // Restore torrent session settings to server:
+ qtrapids::ParamsMap_t options;
+ options["net/downloadRate"] = settings_.value("net/downloadRate").toString();
+ options["net/uploadRate"] = settings_.value("net/uploadRate").toString();
+ server_.setOptions(options);
+}
+
+
+// Opens torrent information from buffer data and adds torrent to session
+void MainWindow::StartTorrentFromBufferData(char const* data, int size)
+{
+
+}
+
+// =========================== PRIVATE SLOTS =================================
+void MainWindow::on_openAction_clicked()
+{
+ QString filename = QFileDialog::getOpenFileName( this, tr("Open torrent file"), QString(), tr("Torrent files (*.torrent)") );
+ on_torrentFileSelected(filename);
+ /*
+ QFileDialog *dialog = new QFileDialog( this, "Open torrent file", QString(), tr("Torrent files (*.torrent)"));
+ dialog->setFileMode(QFileDialog::ExistingFile);
+ connect(dialog, SIGNAL(fileSelected(const QString&)), this, SLOT(on_torrentFileSelected(const QString&)));
+ dialog->show();
+ */
+}
+
+void MainWindow::on_removeAction_clicked()
+{
+ QString hash = dlView_->prepareRemoveSelected();
+ try {
+ server_.removeTorrent(hash);
+ } catch (...) {
+ qDebug() << "Exception while removing torrent";
+ }
+}
+
+
+void MainWindow::on_quitAction_clicked()
+{
+ close();
+}
+
+
+void MainWindow::on_startDaemonAction_clicked()
+{
+ server_.getState();
+ /// @todo create signal that signals server startup and
+ /// enable controls in the handler slot
+ stopDaemonAction_->setEnabled(true);
+ startDaemonAction_->setEnabled(false);
+}
+
+
+void MainWindow::on_stopDaemonAction_clicked()
+{
+ server_.terminateSession();
+}
+
+
+void MainWindow::on_serverTerminated()
+{
+ stopDaemonAction_->setEnabled(false);
+ startDaemonAction_->setEnabled(true);
+}
+
+void MainWindow::on_columnsAction_clicked()
+{
+ ColumnSelectorDialog *dialog = new ColumnSelectorDialog(dlView_);
+ dialog->show();
+ dialog->exec();
+// dialog->raise();
+// dialog->activateWindow();
+ qDebug() << "dialog exit";
+
+ if (dialog->result() == QDialog::Accepted) {
+ qDebug() << "saved";
+ dlView_->saveView();
+ }
+}
+
+
+void MainWindow::on_preferencesAction_clicked()
+{
+ if (!preferencesDialog_) {
+ preferencesDialog_ = new PreferencesDialog(this, 0, &server_);
+ }
+
+ preferencesDialog_->show();
+ preferencesDialog_->raise();
+ preferencesDialog_->activateWindow();
+}
+
+
+void MainWindow::on_aboutAction_clicked()
+{
+ QMessageBox::about(this, tr("About QtRapids"), ABOUT_TEXT);
+}
+
+
+void MainWindow::on_aboutQtAction_clicked()
+{
+ QMessageBox::aboutQt (this, tr("About Qt"));
+}
+
+
+void MainWindow::on_tabWidget_tabCloseRequested(int index)
+{
+
+ int searchWidgetIndex = tabWidget_->indexOf(searchWidget_);
+
+ // Allow closing other tabs than the first two
+ // TODO The first two may well be closable, just add "show tabs" action for these in the menu
+ if (index != 0 && index != 1 && index != searchWidgetIndex) {
+ QWidget *remove = tabWidget_->widget(index);
+ tabWidget_->removeTab(index);
+ delete remove;
+ remove = NULL;
+ }
+}
+
+
+void MainWindow::on_downloadItemSelectionChanged()
+{
+#ifdef QTRAPIDS_DEBUG
+ qDebug() << "MainWindow::on_seedItemSelectionChanged():" << dlView_->currentItem();
+#endif
+ if (dlView_->currentItem() != NULL) {
+ emit(itemSelected(true));
+ } else {
+ emit(itemSelected(false));
+ }
+}
+
+
+void MainWindow::on_seedItemSelectionChanged()
+{
+#ifdef QTRAPIDS_DEBUG
+ qDebug() << "MainWindow::on_seedItemSelectionChanged():" << seedView_->currentItem();
+#endif
+ if (seedView_->currentItem() != NULL) {
+ emit(itemSelected(true));
+ } else {
+ emit(itemSelected(false));
+ }
+}
+
+
+void MainWindow::handleToolBarAction(QAction* action)
+{
+ if (action->text() == "Open") {
+ on_openAction_clicked();
+ } else if (action->text() == "Remove") {
+ on_removeAction_clicked();
+ }
+}
+
+
+void MainWindow::on_torrentFileSelected(QString file)
+{
+#ifdef QTRAPIDS_DEBUG
+ qDebug() << " MainWindow::on_torrentFileSelected(): " << file;
+#endif
+ // Torrent filename empty, do nothing.
+ if (file == "") {
+ return;
+ }
+
+ // Otherwise add torrent
+ // For params, see: http://www.rasterbar.com/products/libtorrent/manual.html#add-torrent
+ // save_path is the only mandatory parameter, rest are optional.
+ //addParams.storage_mode = libtorrent::storage_mode_allocate;
+ try {
+ server_.addTorrent(file, settings_.value("download/directory").toString()
+ , ParamsMap_t());
+ } catch (...) {
+ qDebug() << "Exception adding torrent";
+ }
+}
+
+
+void MainWindow::on_alert(qtrapids::TorrentState info, qtrapids::ParamsMap_t other_info)
+{
+#ifdef QTRAPIDS_DEBUG
+ qDebug() << "got alert";
+#endif
+ dlView_->updateItem(info, other_info);
+}
+
+} // namespace qtrapids
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