vcs.maemo.org Git - qtrapids/blob - src/client/MainWindow.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2009 by Lassi Väätämöinen   *
   3  *   lassi.vaatamoinen@ixonos.com   *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  19  ***************************************************************************/
  20
  21
  22 #include <qtrapids/dbus.hpp>
  23
  24 #include <QDebug>
  25 #include <QtGui/QMenuBar>
  26 #include <QtGui/QToolBar>
  27 #include <QAction>
  28 #include <QFileDialog>
  29 #include <QMessageBox>
  30 //#include <QTreeWidgetItem>
  31 #include <QApplication>
  32 #include <QPluginLoader>
  33
  34 #include "DownloadView.h"
  35 #include "SeedView.h"
  36 #include "PreferencesDialog.h"
  37 #include "ColumnSelectorDialog.h"
  38
  39 #include "MainWindow.h"
  40
  41 namespace qtrapids
  42 {
  43
  44 const QString ABOUT_TEXT
  45 = QString(QObject::trUtf8("QtRapids, a simple BitTorrent client based on"
  46                           "\nQt and Libtorrent."
  47                           "\n\nURL: http://qtrapids.garage.maemo.org/"
  48                           "\n\nAuthors:\nLassi Väätämöinen, lassi.vaatamoinen@ixonos.com"
  49                           "\nDenis Zalevskiy, denis.zalewsky@gmail.com"
  50                           "\n\nIxonos Plc, Finland\n"));
  51
  52 const QString PLUGINS_DIR = "plugins";
  53
  54 // Consturctor
  55 MainWindow::MainWindow() :
  56                 QMainWindow(), // Superclass
  57                 tabWidget_(NULL),
  58                 dlView_(NULL),
  59                 seedView_(NULL),
  60                 searchWidget_(NULL),
  61                 startDaemonAction_(NULL),
  62                 stopDaemonAction_(NULL),
  63                 preferencesDialog_(NULL),
  64                 settings_(QCoreApplication::organizationName()
  65                           , QCoreApplication::applicationName()),
  66                 pluginDirs_(),
  67                 server_(QtRapidsServer::staticInterfaceName()
  68                         , "/qtrapids", QDBusConnection::sessionBus())
  69                 //      torrentHandles_(),
  70 {
  71
  72         setWindowTitle("QtRapids");
  73
  74         // MENUBAR
  75         QMenuBar *menuBar = new QMenuBar();
  76         QMenu *tempMenu = NULL;
  77
  78         tempMenu = menuBar->addMenu(tr("&File"));
  79         QAction *openAction = tempMenu->addAction(tr("&Open"));
  80         QAction *removeAction = tempMenu->addAction(tr("&Remove"));
  81         removeAction->setEnabled(false);
  82
  83         startDaemonAction_ = tempMenu->addAction(tr("S&tart daemon"));
  84         stopDaemonAction_ = tempMenu->addAction(tr("Sto&p daemon"));
  85         startDaemonAction_->setEnabled(false);
  86
  87         QAction *quitAction = tempMenu->addAction(tr("&Quit"));
  88
  89         tempMenu = menuBar->addMenu(tr("&View"));
  90         QAction *columnsAction = tempMenu->addAction(tr("&Columns"));
  91
  92         tempMenu = menuBar->addMenu(tr("&Settings"));
  93         QAction *preferencesAction = tempMenu->addAction(tr("&Preferences"));
  94
  95         tempMenu = menuBar->addMenu(tr("&Help"));
  96         QAction *aboutAction = tempMenu->addAction(tr("&About"));
  97         QAction *aboutQtAction = tempMenu->addAction(tr("About &Qt"));
  98
  99         setMenuBar(menuBar);
 100         connect(openAction, SIGNAL(triggered()), this, SLOT(on_openAction_clicked()));
 101         connect(removeAction, SIGNAL(triggered()), this, SLOT(on_removeAction_clicked()));
 102         connect(this, SIGNAL(itemSelected(bool)), removeAction, SLOT(setEnabled(bool)));
 103         connect(quitAction, SIGNAL(triggered()), this, SLOT(on_quitAction_clicked()));
 104         connect(startDaemonAction_, SIGNAL(triggered()), this, SLOT(on_startDaemonAction_clicked()));
 105         connect(stopDaemonAction_, SIGNAL(triggered()), this, SLOT(on_stopDaemonAction_clicked()));
 106         connect(columnsAction, SIGNAL(triggered()), this, SLOT(on_columnsAction_clicked()));
 107         connect(preferencesAction, SIGNAL(triggered()), this, SLOT(on_preferencesAction_clicked()));
 108         connect(aboutAction, SIGNAL(triggered()), this, SLOT(on_aboutAction_clicked()));
 109         connect(aboutQtAction, SIGNAL(triggered()), this, SLOT(on_aboutQtAction_clicked()));
 110
 111         // TABWIDGET (central widget)
 112         tabWidget_ = new QTabWidget();
 113         tabWidget_->setTabsClosable(true);
 114
 115         /// @todo Exception handling
 116         dlView_ = new DownloadView(this);
 117         seedView_ = new SeedView(this);
 118         tabWidget_->addTab(dlView_, tr("Downloads"));
 119         tabWidget_->addTab(seedView_, tr("Seeds"));
 120         connect(dlView_, SIGNAL(itemSelectionChanged()), this,
 121                 SLOT(on_downloadItemSelectionChanged()));
 122
 123         connect(seedView_, SIGNAL(itemSelectionChanged()), this,
 124                 SLOT(on_seedItemSelectionChanged()));
 125
 126         // Tab widget as central widget.
 127         setCentralWidget(tabWidget_);
 128
 129         // TOOLBAR
 130         QToolBar *toolBar = new QToolBar();
 131         toolBar->addAction(tr("Open"));
 132         removeAction = toolBar->addAction(tr("Remove"));
 133         removeAction->setEnabled(false);
 134         addToolBar(Qt::TopToolBarArea, toolBar);
 135
 136         connect(this, SIGNAL(itemSelected(bool)), removeAction,
 137                 SLOT(setEnabled(bool)));
 138         connect(toolBar, SIGNAL(actionTriggered(QAction*)), this,
 139                 SLOT(handleToolBarAction(QAction*)));
 140         connect (tabWidget_, SIGNAL(tabCloseRequested(int)), this, SLOT(on_tabWidget_tabCloseRequested(int)));
 141
 142         connect(&server_, SIGNAL(alert(qtrapids::TorrentState, qtrapids::ParamsMap_t)),
 143                                         this, SLOT(on_alert(qtrapids::TorrentState, qtrapids::ParamsMap_t)));
 144
 145         connect(&server_, SIGNAL(sessionTerminated()), this, SLOT(on_serverTerminated()));
 146
 147 //      connect(&btSession_, SIGNAL(alert(std::auto_ptr<Alert>)),
 148 //              this, SLOT(on_alert(std::auto_ptr<Alert>)));
 149
 150
 151         LoadPlugins();
 152
 153 }
 154
 155
 156 MainWindow::~MainWindow()
 157 {
 158         settings_.setValue("geometry", saveGeometry());
 159 }
 160
 161 // ===================== Implements PluginInterface =========================
 162 /// @todo add PluginInterface parameter to request plugin name
 163 bool MainWindow::setGui(QWidget* widget, PluginWidgetType type, qtrapids::PluginInterface* plugin)
 164 {
 165 #ifdef QTRAPIDS_DEBUG
 166         qDebug() << "MainWindow::setGui():" << dlView_->currentItem();
 167 #endif
 168
 169         if (plugin && plugin->identifier() == "SearchPlugin") {
 170                 searchWidget_ = widget;
 171         } else {
 172                 return false;
 173         }
 174
 175         tabWidget_->addTab(widget, tr("Search"));
 176         return true;
 177 }
 178
 179 /// @todo Add PluginInterface parameter to check which plugin gives the widget, to handle appropriately
 180 void MainWindow::addPluginWidget(QWidget* widget, PluginWidgetType type)
 181 {
 182 #ifdef QTRAPIDS_DEBUG
 183         qDebug() << "MainWindow::addPluginWidget():" << dlView_->currentItem();
 184 #endif
 185
 186         if (type == qtrapids::PluginHostInterface::TAB_PAGE) {
 187                 int index = tabWidget_->addTab(widget, tr("Results"));
 188                 tabWidget_->setCurrentIndex(index);
 189                 //layout_->addWidget(widget);
 190         }
 191 }
 192 void MainWindow::addToolbar(QWidget* widget, PluginWidgetType type)
 193 {
 194 }
 195
 196 void MainWindow::addToolItem(QWidget* widget, PluginWidgetType type)
 197 {
 198 }
 199
 200 void MainWindow::addMenu(QWidget* widget, PluginWidgetType type)
 201 {
 202 }
 203
 204 void MainWindow::addMenuItem(QWidget* widget, PluginWidgetType type)
 205 {
 206 }
 207
 208 bool MainWindow::eventRequest(QVariant param, PluginRequest req)
 209 {
 210         if (req == qtrapids::PluginHostInterface::OPEN_FILE) {
 211                 QString sourceFile = param.toString();
 212
 213                 // Get the source files name from the full path:
 214                 QFileInfo fInfo(sourceFile);
 215                 QString targetFile = fInfo.fileName();
 216                 targetFile = settings_.value("download/directory").toString() + "/" + targetFile;
 217
 218                 // Copy temoporary file to Downloads directory...
 219                 if (!QFile::copy(sourceFile, targetFile)) {
 220                         qDebug() << "File copying failed";
 221                         return false;
 222                 } else {
 223                         // If copying was successful, remove the original temporary file.
 224                         QFile::remove(sourceFile);
 225                 }
 226
 227                 /// @todo Torrent bencoding validity should be checked before starting(?)
 228                 // ...and start the torrent:
 229                 on_torrentFileSelected(targetFile);
 230
 231         } else if (req == qtrapids::PluginHostInterface::READ_BUFFER) {
 232                 // Create torrent information from char* buffer and start.
 233                 StartTorrentFromBufferData(param.toByteArray().constData(), param.toByteArray().size());
 234         }
 235
 236         return true;
 237 }
 238
 239
 240 //=========================== PRIVATE ================================
 241
 242 void MainWindow::LoadPlugins()
 243 {
 244         // Get plugin directories from
 245         QStringList pluginDirsTmp = settings_.value("plugins/path").toStringList();
 246         QStringList nameFilters("*.so");
 247
 248         /// @todo enable "application directory" for plugin search in development/debug mode only. In release version
 249         /// search plugins directory under $HOME/.qtrapids or system library paths
 250         pluginDirsTmp << qApp->applicationDirPath();
 251         pluginDirsTmp.removeDuplicates();
 252
 253         foreach (QString dir, pluginDirsTmp) {
 254                 pluginDirs_.append(QDir(dir));
 255         }
 256
 257         foreach (QDir dir, pluginDirs_) {
 258
 259                 if (dir.cd(PLUGINS_DIR)) {
 260
 261                         foreach (QString fileName, dir.entryList(nameFilters, QDir::Files)) {
 262                                 QPluginLoader pluginLoader(dir.absoluteFilePath(fileName));
 263
 264                                 // If plugin not loaded from another directory, then load
 265                                 if (!pluginFileNames_.contains(fileName) && QLibrary::isLibrary(fileName)) {
 266
 267                                         if (pluginLoader.load()) {
 268                                                 qDebug() << "Plugin loaded: "  << fileName;
 269                                         } else {
 270                                                 qWarning() << "Plugin load failed: " << pluginLoader.errorString();
 271                                         }
 272
 273                                         QObject *baseInstance = pluginLoader.instance();
 274                                         if (!baseInstance) {
 275                                                 qDebug() << "Base instance = NULL.";
 276                                         }
 277
 278                                         qtrapids::PluginInterface *plugin = qobject_cast<qtrapids::PluginInterface*>(baseInstance);
 279
 280                                         if (!plugin) {
 281                                                 qDebug() << "Cast failed.";
 282                                         } else {
 283                                                 qtrapids::PluginInterface::Info info;
 284                                                 info.directory = dir.path();
 285                                                 qDebug() << dir.path();
 286                                                 plugin->initialize(this, info);
 287                                                 pluginFileNames_ += fileName;
 288                                         }
 289                                 } else {
 290                                         qWarning() << "Plugin "
 291                                                 << fileName
 292                                                 << " already loaded from another directory, or not a valid library file";
 293                                 }
 294                         }
 295
 296                 } else {
 297                         qWarning() << PLUGINS_DIR <<  "directory not accessible or does not exist in "  << dir.path();
 298                 }
 299         }
 300 }
 301
 302
 303 void MainWindow::RestoreSettings()
 304 {
 305
 306         // Restore previous main window geometry:
 307         QVariant geometry(settings_.value("geometry"));
 308         if (!geometry.isNull()) {
 309                 qDebug() << "restoring geometry";
 310                 restoreGeometry(geometry.toByteArray());
 311         }
 312
 313         // Restore DownloadView columns:
 314         dlView_->restoreView();
 315
 316         // Restore torrent session settings to server:
 317         qtrapids::ParamsMap_t options;
 318         options["net/downloadRate"] = settings_.value("net/downloadRate").toString();
 319         options["net/uploadRate"] = settings_.value("net/uploadRate").toString();
 320         server_.setOptions(options);
 321 }
 322
 323
 324 // Opens torrent information from buffer data and adds torrent to session
 325 void MainWindow::StartTorrentFromBufferData(char const* data, int size)
 326 {
 327
 328 }
 329
 330 // =========================== PRIVATE SLOTS =================================
 331 void MainWindow::on_openAction_clicked()
 332 {
 333         QFileDialog *dialog = new QFileDialog( this, "Open torrent file", QString(), tr("Torrent files (*.torrent)"));
 334         dialog->setFileMode(QFileDialog::ExistingFile);
 335         connect(dialog, SIGNAL(fileSelected(const QString&)), this, SLOT(on_torrentFileSelected(const QString&)));
 336         dialog->show();
 337
 338 }
 339
 340 void MainWindow::on_removeAction_clicked()
 341 {
 342         QString hash = dlView_->prepareRemoveSelected();
 343         try {
 344                 server_.removeTorrent(hash);
 345         } catch (...) {
 346                 qDebug() << "Exception while removing torrent";
 347         }
 348 }
 349
 350
 351 void MainWindow::on_quitAction_clicked()
 352 {
 353         close();
 354 }
 355
 356
 357 void MainWindow::on_startDaemonAction_clicked()
 358 {
 359         server_.getState();
 360         /// @todo create signal that signals server startup and
 361         /// enable controls in the handler slot
 362         stopDaemonAction_->setEnabled(true);
 363         startDaemonAction_->setEnabled(false);
 364 }
 365
 366
 367 void MainWindow::on_stopDaemonAction_clicked()
 368 {
 369         server_.terminateSession();
 370 }
 371
 372
 373 void MainWindow::on_serverTerminated()
 374 {
 375         stopDaemonAction_->setEnabled(false);
 376         startDaemonAction_->setEnabled(true);
 377 }
 378
 379 void MainWindow::on_columnsAction_clicked()
 380 {
 381         ColumnSelectorDialog *dialog = new ColumnSelectorDialog(dlView_);
 382         dialog->show();
 383         dialog->exec();
 384 //      dialog->raise();
 385 //      dialog->activateWindow();
 386         qDebug() << "dialog exit";
 387
 388         if (dialog->result() == QDialog::Accepted) {
 389         qDebug() << "saved";
 390                 dlView_->saveView();
 391         }
 392 }
 393
 394
 395 void MainWindow::on_preferencesAction_clicked()
 396 {
 397         if (!preferencesDialog_) {
 398                 preferencesDialog_ = new PreferencesDialog(this, 0, &server_);
 399         }
 400
 401         preferencesDialog_->show();
 402         preferencesDialog_->raise();
 403         preferencesDialog_->activateWindow();
 404 }
 405
 406
 407 void MainWindow::on_aboutAction_clicked()
 408 {
 409         QMessageBox::about(this, tr("About QtRapids"), ABOUT_TEXT);
 410 }
 411
 412
 413 void MainWindow::on_aboutQtAction_clicked()
 414 {
 415         QMessageBox::aboutQt (this, tr("About Qt"));
 416 }
 417
 418
 419 void MainWindow::on_tabWidget_tabCloseRequested(int index)
 420 {
 421
 422         int searchWidgetIndex = tabWidget_->indexOf(searchWidget_);
 423
 424         // Allow closing other tabs than the first two
 425         // TODO The first two may well be closable, just add "show tabs" action for these in the menu
 426         if (index != 0 && index != 1 && index != searchWidgetIndex) {
 427                 QWidget *remove = tabWidget_->widget(index);
 428                 tabWidget_->removeTab(index);
 429                 delete remove;
 430                 remove = NULL;
 431         }
 432 }
 433
 434
 435 void MainWindow::on_downloadItemSelectionChanged()
 436 {
 437 #ifdef QTRAPIDS_DEBUG
 438         qDebug() << "MainWindow::on_seedItemSelectionChanged():" << dlView_->currentItem();
 439 #endif
 440         if (dlView_->currentItem() != NULL) {
 441                 emit(itemSelected(true));
 442         } else {
 443                 emit(itemSelected(false));
 444         }
 445 }
 446
 447
 448 void MainWindow::on_seedItemSelectionChanged()
 449 {
 450 #ifdef QTRAPIDS_DEBUG
 451         qDebug() << "MainWindow::on_seedItemSelectionChanged():" << seedView_->currentItem();
 452 #endif
 453         if (seedView_->currentItem() != NULL) {
 454                 emit(itemSelected(true));
 455         } else {
 456                 emit(itemSelected(false));
 457         }
 458 }
 459
 460
 461 void MainWindow::handleToolBarAction(QAction* action)
 462 {
 463         if (action->text() == "Open") {
 464                 on_openAction_clicked();
 465         } else if (action->text() == "Remove") {
 466                 on_removeAction_clicked();
 467         }
 468 }
 469
 470
 471 void MainWindow::on_torrentFileSelected(const QString& file)
 472 {
 473 #ifdef QTRAPIDS_DEBUG
 474         qDebug() << " MainWindow::on_torrentFileSelected(): " << file;
 475 #endif
 476         // Torrent filename empty, do nothing.
 477         if (file == "") {
 478                 return;
 479         }
 480
 481         // Otherwise add torrent
 482         // For params, see: http://www.rasterbar.com/products/libtorrent/manual.html#add-torrent
 483         // save_path is the only mandatory parameter, rest are optional.
 484         //addParams.storage_mode = libtorrent::storage_mode_allocate;
 485         try {
 486                 server_.addTorrent(file, settings_.value("download/directory").toString()
 487                                    , ParamsMap_t());
 488         } catch (...) {
 489                 qDebug() << "Exception adding torrent";
 490         }
 491 }
 492
 493
 494 void MainWindow::on_alert(qtrapids::TorrentState info, qtrapids::ParamsMap_t other_info)
 495 {
 496 #ifdef QTRAPIDS_DEBUG
 497         qDebug() << "got alert";
 498 #endif
 499         dlView_->updateItem(info, other_info);
 500 }
 501
 502 } // namespace qtrapids