git.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                 preferencesDialog_(NULL),
  62                 settings_(QCoreApplication::organizationName()
  63                           , QCoreApplication::applicationName()),
  64                 pluginDirs_(),
  65                 server_(QtRapidsServer::staticInterfaceName()
  66                         , "/qtrapids", QDBusConnection::sessionBus())
  67                 //      torrentHandles_(),
  68 {
  69         // MENUBAR
  70         QMenuBar *menuBar = new QMenuBar();
  71         QMenu *tempMenu = NULL;
  72
  73         tempMenu = menuBar->addMenu(tr("&File"));
  74         QAction *openAction = tempMenu->addAction(tr("&Open"));
  75         QAction *removeAction = tempMenu->addAction(tr("&Remove"));
  76         removeAction->setEnabled(false);
  77         QAction *quitAction = tempMenu->addAction(tr("&Quit"));
  78
  79         tempMenu = menuBar->addMenu(tr("&View"));
  80         QAction *columnsAction = tempMenu->addAction(tr("&Columns"));
  81
  82         tempMenu = menuBar->addMenu(tr("&Settings"));
  83         QAction *preferencesAction = tempMenu->addAction(tr("&Preferences"));
  84
  85         tempMenu = menuBar->addMenu(tr("&Help"));
  86         QAction *aboutAction = tempMenu->addAction(tr("&About"));
  87         QAction *aboutQtAction = tempMenu->addAction(tr("About &Qt"));
  88
  89         setMenuBar(menuBar);
  90         connect(openAction, SIGNAL(triggered()), this, SLOT(on_openAction_clicked()));
  91         connect(removeAction, SIGNAL(triggered()), this, SLOT(on_removeAction_clicked()));
  92         connect(this, SIGNAL(itemSelected(bool)), removeAction, SLOT(setEnabled(bool)));
  93         connect(quitAction, SIGNAL(triggered()), this, SLOT(on_quitAction_clicked()));
  94         connect(columnsAction, SIGNAL(triggered()), this, SLOT(on_columnsAction_clicked()));
  95         connect(preferencesAction, SIGNAL(triggered()), this, SLOT(on_preferencesAction_clicked()));
  96         connect(aboutAction, SIGNAL(triggered()), this, SLOT(on_aboutAction_clicked()));
  97         connect(aboutQtAction, SIGNAL(triggered()), this, SLOT(on_aboutQtAction_clicked()));
  98
  99         // TABWIDGET (central widget)
 100         tabWidget_ = new QTabWidget();
 101         tabWidget_->setTabsClosable(true);
 102
 103         /// @todo Exception handling
 104         dlView_ = new DownloadView(this);
 105         seedView_ = new SeedView(this);
 106         tabWidget_->addTab(dlView_, tr("Downloads"));
 107         tabWidget_->addTab(seedView_, tr("Seeds"));
 108         connect(dlView_, SIGNAL(itemSelectionChanged()), this,
 109                 SLOT(on_downloadItemSelectionChanged()));
 110
 111         connect(seedView_, SIGNAL(itemSelectionChanged()), this,
 112                 SLOT(on_seedItemSelectionChanged()));
 113
 114         // Tab widget as central widget.
 115         setCentralWidget(tabWidget_);
 116
 117         // TOOLBAR
 118         QToolBar *toolBar = new QToolBar();
 119         toolBar->addAction(tr("Open"));
 120         removeAction = toolBar->addAction(tr("Remove"));
 121         removeAction->setEnabled(false);
 122         addToolBar(Qt::TopToolBarArea, toolBar);
 123
 124         connect(this, SIGNAL(itemSelected(bool)), removeAction,
 125                 SLOT(setEnabled(bool)));
 126         connect(toolBar, SIGNAL(actionTriggered(QAction*)), this,
 127                 SLOT(handleToolBarAction(QAction*)));
 128         connect (tabWidget_, SIGNAL(tabCloseRequested(int)), this, SLOT(on_tabWidget_tabCloseRequested(int)));
 129
 130         connect(&server_, SIGNAL(alert(qtrapids::TorrentState, qtrapids::ParamsMap_t)),
 131                                         this, SLOT(on_alert(qtrapids::TorrentState, qtrapids::ParamsMap_t)));
 132
 133 //      connect(&btSession_, SIGNAL(alert(std::auto_ptr<Alert>)),
 134 //              this, SLOT(on_alert(std::auto_ptr<Alert>)));
 135
 136
 137         LoadPlugins();
 138
 139 }
 140
 141
 142 MainWindow::~MainWindow()
 143 {
 144         settings_.setValue("geometry", saveGeometry());
 145 }
 146
 147 // ===================== Implements PluginInterface =========================
 148 /// @todo add PluginInterface parameter to request plugin name
 149 bool MainWindow::setGui(QWidget* widget, PluginWidgetType type, qtrapids::PluginInterface* plugin)
 150 {
 151 #ifdef QTRAPIDS_DEBUG
 152         qDebug() << "MainWindow::setGui():" << dlView_->currentItem();
 153 #endif
 154
 155         if (plugin && plugin->identifier() == "SearchPlugin") {
 156                 searchWidget_ = widget;
 157         } else {
 158                 return false;
 159         }
 160
 161         tabWidget_->addTab(widget, tr("Search"));
 162         return true;
 163 }
 164
 165 /// @todo Add PluginInterface parameter to check which plugin gives the widget, to handle appropriately
 166 void MainWindow::addPluginWidget(QWidget* widget, PluginWidgetType type)
 167 {
 168 #ifdef QTRAPIDS_DEBUG
 169         qDebug() << "MainWindow::addPluginWidget():" << dlView_->currentItem();
 170 #endif
 171
 172         if (type == qtrapids::PluginHostInterface::TAB_PAGE) {
 173                 int index = tabWidget_->addTab(widget, tr("Results"));
 174                 tabWidget_->setCurrentIndex(index);
 175                 //layout_->addWidget(widget);
 176         }
 177 }
 178 void MainWindow::addToolbar(QWidget* widget, PluginWidgetType type)
 179 {
 180 }
 181
 182 void MainWindow::addToolItem(QWidget* widget, PluginWidgetType type)
 183 {
 184 }
 185
 186 void MainWindow::addMenu(QWidget* widget, PluginWidgetType type)
 187 {
 188 }
 189
 190 void MainWindow::addMenuItem(QWidget* widget, PluginWidgetType type)
 191 {
 192 }
 193
 194 bool MainWindow::eventRequest(QVariant param, PluginRequest req)
 195 {
 196         if (req == qtrapids::PluginHostInterface::OPEN_FILE) {
 197                 QString sourceFile = param.toString();
 198
 199                 // Get the source files name from the full path:
 200                 QFileInfo fInfo(sourceFile);
 201                 QString targetFile = fInfo.fileName();
 202                 targetFile = settings_.value("download/directory").toString() + "/" + targetFile;
 203
 204                 // Copy temoporary file to Downloads directory...
 205                 if (!QFile::copy(sourceFile, targetFile)) {
 206                         qDebug() << "File copying failed";
 207                         return false;
 208                 } else {
 209                         // If copying was successful, remove the original temporary file.
 210                         QFile::remove(sourceFile);
 211                 }
 212
 213                 /// @todo Torrent bencoding validity should be checked before starting(?)
 214                 // ...and start the torrent:
 215                 on_torrentFileSelected(targetFile);
 216
 217         } else if (req == qtrapids::PluginHostInterface::READ_BUFFER) {
 218                 // Create torrent information from char* buffer and start.
 219                 StartTorrentFromBufferData(param.toByteArray().constData(), param.toByteArray().size());
 220         }
 221
 222         return true;
 223 }
 224
 225
 226 //=========================== PRIVATE ================================
 227
 228 void MainWindow::LoadPlugins()
 229 {
 230         // Get plugin directories from
 231         QStringList pluginDirsTmp = settings_.value("plugins/path").toStringList();
 232         QStringList nameFilters("*.so");
 233
 234         /// @todo enable "application directory" for plugin search in development/debug mode only. In release version
 235         /// search plugins directory under $HOME/.qtrapids or system library paths
 236         pluginDirsTmp << qApp->applicationDirPath();
 237         pluginDirsTmp.removeDuplicates();
 238
 239         foreach (QString dir, pluginDirsTmp) {
 240                 pluginDirs_.append(QDir(dir));
 241         }
 242
 243         foreach (QDir dir, pluginDirs_) {
 244
 245                 if (dir.cd(PLUGINS_DIR)) {
 246
 247                         foreach (QString fileName, dir.entryList(nameFilters, QDir::Files)) {
 248                                 QPluginLoader pluginLoader(dir.absoluteFilePath(fileName));
 249
 250                                 // If plugin not loaded from another directory, then load
 251                                 if (!pluginFileNames_.contains(fileName) && QLibrary::isLibrary(fileName)) {
 252
 253                                         if (pluginLoader.load()) {
 254                                                 qDebug() << "Plugin loaded: "  << fileName;
 255                                         } else {
 256                                                 qWarning() << "Plugin load failed: " << pluginLoader.errorString();
 257                                         }
 258
 259                                         QObject *baseInstance = pluginLoader.instance();
 260                                         if (!baseInstance) {
 261                                                 qDebug() << "Base instance = NULL.";
 262                                         }
 263
 264                                         qtrapids::PluginInterface *plugin = qobject_cast<qtrapids::PluginInterface*>(baseInstance);
 265
 266                                         if (!plugin) {
 267                                                 qDebug() << "Cast failed.";
 268                                         } else {
 269                                                 qtrapids::PluginInterface::Info info;
 270                                                 info.directory = dir.path();
 271                                                 qDebug() << dir.path();
 272                                                 plugin->initialize(this, info);
 273                                                 pluginFileNames_ += fileName;
 274                                         }
 275                                 } else {
 276                                         qWarning() << "Plugin "
 277                                                 << fileName
 278                                                 << " already loaded from another directory, or not a valid library file";
 279                                 }
 280                         }
 281
 282                 } else {
 283                         qWarning() << PLUGINS_DIR <<  "directory not accessible or does not exist in "  << dir.path();
 284                 }
 285         }
 286 }
 287
 288
 289 void MainWindow::RestoreSettings()
 290 {
 291
 292         // Restore previous main window geometry:
 293         QVariant geometry(settings_.value("geometry"));
 294         if (!geometry.isNull()) {
 295                 qDebug() << "restoring geometry";
 296                 restoreGeometry(geometry.toByteArray());
 297         }
 298
 299         // Restore DownloadView columns:
 300         dlView_->restoreView();
 301
 302         // Restore torrent session settings to server:
 303         qtrapids::ParamsMap_t options;
 304         options["net/downloadRate"] = settings_.value("net/downloadRate").toString();
 305         options["net/uploadRate"] = settings_.value("net/uploadRate").toString();
 306         server_.setOptions(options);
 307 }
 308
 309
 310 // Opens torrent information from buffer data and adds torrent to session
 311 void MainWindow::StartTorrentFromBufferData(char const* data, int size)
 312 {
 313
 314 }
 315
 316 // =========================== PRIVATE SLOTS =================================
 317 void MainWindow::on_openAction_clicked()
 318 {
 319         QFileDialog *dialog = new QFileDialog( this, "Open torrent file", QString(), tr("Torrent files (*.torrent)"));
 320         dialog->setFileMode(QFileDialog::ExistingFile);
 321         connect(dialog, SIGNAL(fileSelected(const QString&)), this, SLOT(on_torrentFileSelected(const QString&)));
 322         dialog->show();
 323
 324 }
 325
 326 void MainWindow::on_removeAction_clicked()
 327 {
 328         QString hash = dlView_->prepareRemoveSelected();
 329         try {
 330                 server_.removeTorrent(hash);
 331         } catch (...) {
 332                 qDebug() << "Exception while removing torrent";
 333         }
 334 }
 335
 336
 337 void MainWindow::on_quitAction_clicked()
 338 {
 339         close();
 340 }
 341
 342
 343 void MainWindow::on_columnsAction_clicked()
 344 {
 345         ColumnSelectorDialog *dialog = new ColumnSelectorDialog(dlView_);
 346         dialog->show();
 347         dialog->exec();
 348 //      dialog->raise();
 349 //      dialog->activateWindow();
 350         qDebug() << "dialog exit";
 351
 352         if (dialog->result() == QDialog::Accepted) {
 353         qDebug() << "saved";
 354                 dlView_->saveView();
 355         }
 356 }
 357
 358
 359 void MainWindow::on_preferencesAction_clicked()
 360 {
 361         if (!preferencesDialog_) {
 362                 preferencesDialog_ = new PreferencesDialog(this, 0, &server_);
 363         }
 364
 365         preferencesDialog_->show();
 366         preferencesDialog_->raise();
 367         preferencesDialog_->activateWindow();
 368 }
 369
 370
 371 void MainWindow::on_aboutAction_clicked()
 372 {
 373         QMessageBox::about(this, tr("About QtRapids"), ABOUT_TEXT);
 374 }
 375
 376
 377 void MainWindow::on_aboutQtAction_clicked()
 378 {
 379         QMessageBox::aboutQt (this, tr("About Qt"));
 380 }
 381
 382
 383 void MainWindow::on_tabWidget_tabCloseRequested(int index)
 384 {
 385
 386         int searchWidgetIndex = tabWidget_->indexOf(searchWidget_);
 387
 388         // Allow closing other tabs than the first two
 389         // TODO The first two may well be closable, just add "show tabs" action for these in the menu
 390         if (index != 0 && index != 1 && index != searchWidgetIndex) {
 391                 QWidget *remove = tabWidget_->widget(index);
 392                 tabWidget_->removeTab(index);
 393                 delete remove;
 394                 remove = NULL;
 395         }
 396 }
 397
 398
 399 void MainWindow::on_downloadItemSelectionChanged()
 400 {
 401 #ifdef QTRAPIDS_DEBUG
 402         qDebug() << "MainWindow::on_seedItemSelectionChanged():" << dlView_->currentItem();
 403 #endif
 404         if (dlView_->currentItem() != NULL) {
 405                 emit(itemSelected(true));
 406         } else {
 407                 emit(itemSelected(false));
 408         }
 409 }
 410
 411
 412 void MainWindow::on_seedItemSelectionChanged()
 413 {
 414 #ifdef QTRAPIDS_DEBUG
 415         qDebug() << "MainWindow::on_seedItemSelectionChanged():" << seedView_->currentItem();
 416 #endif
 417         if (seedView_->currentItem() != NULL) {
 418                 emit(itemSelected(true));
 419         } else {
 420                 emit(itemSelected(false));
 421         }
 422 }
 423
 424
 425 void MainWindow::handleToolBarAction(QAction* action)
 426 {
 427         if (action->text() == "Open") {
 428                 on_openAction_clicked();
 429         } else if (action->text() == "Remove") {
 430                 on_removeAction_clicked();
 431         }
 432 }
 433
 434
 435 void MainWindow::on_torrentFileSelected(const QString& file)
 436 {
 437 #ifdef QTRAPIDS_DEBUG
 438         qDebug() << " MainWindow::on_torrentFileSelected(): " << file;
 439 #endif
 440         // Torrent filename empty, do nothing.
 441         if (file == "") {
 442                 return;
 443         }
 444
 445         // Otherwise add torrent
 446         // For params, see: http://www.rasterbar.com/products/libtorrent/manual.html#add-torrent
 447         // save_path is the only mandatory parameter, rest are optional.
 448         //addParams.storage_mode = libtorrent::storage_mode_allocate;
 449         try {
 450                 server_.addTorrent(file, settings_.value("download/directory").toString()
 451                                    , ParamsMap_t());
 452         } catch (...) {
 453                 qDebug() << "Exception adding torrent";
 454         }
 455 }
 456
 457
 458 void MainWindow::on_alert(qtrapids::TorrentState info, qtrapids::ParamsMap_t other_info)
 459 {
 460 #ifdef QTRAPIDS_DEBUG
 461         qDebug() << "got alert";
 462 #endif
 463         dlView_->updateItem(info, other_info);
 464 }
 465
 466 } // namespace qtrapids