Added build script of Debian
[qtrapids] / src / gui / MainWindow.cpp
index 7eca355..b1ec1a3 100644 (file)
@@ -1,11 +1,9 @@
 /***************************************************************************
- *   Copyright (C) 2009 by Lassi Väätämöinen   *
- *   lassi.vaatamoinen@ixonos.com   *
+ *   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; either version 2 of the License, or     *
- *   (at your option) any later version.                                   *
+ *   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        *
@@ -27,7 +25,7 @@
 #include <QFileDialog>
 #include <QMessageBox>
 #include <QApplication>
-
+#include <QPluginLoader>
 
 #include "DownloadView.h"
 #include "SeedView.h"
@@ -43,14 +41,18 @@ const QString ABOUT_TEXT
                           "\nDenis Zalevskiy, denis.zalewsky@ixonos.com"
                           "\n\nIxonos Plc, Finland\n"));
 
+const QString PLUGINS_DIR = "plugins";
+
 // Consturctor
 MainWindow::MainWindow():
                QMainWindow(), // Superclass
                tabWidget_(NULL),
                dlView_(NULL),
                seedView_(NULL),
+               searchWidget_(NULL),
                preferencesDialog_(NULL),
                settings_(),
+               pluginDirs_(),
 //     torrentHandles_(),
                btSession_()
 {
@@ -109,11 +111,13 @@ MainWindow::MainWindow():
                SLOT(setEnabled(bool)));
        connect(toolBar, SIGNAL(actionTriggered(QAction*)), this,
                SLOT(handleToolBarAction(QAction*)));
-
+       connect (tabWidget_, SIGNAL(tabCloseRequested(int)), this, SLOT(on_tabWidget_tabCloseRequested(int)));
+       
        connect(&btSession_, SIGNAL(alert(std::auto_ptr<Alert>)),
                this, SLOT(on_alert(std::auto_ptr<Alert>)));
 
        LoadPlugins();
+       RestoreSettings();
 }
 
 
@@ -122,16 +126,24 @@ MainWindow::~MainWindow()
 }
 
 // ===================== Implements PluginInterface =========================
-bool MainWindow::setGui(QWidget* widget, PluginWidgetType type)
+/// @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 check which plugin gives the widget to handle appropriately
+/// @todo Add PluginInterface parameter to check which plugin gives the widget, to handle appropriately
 void MainWindow::addPluginWidget(QWidget* widget, PluginWidgetType type)
 {
 #ifdef QTRAPIDS_DEBUG
@@ -139,7 +151,7 @@ void MainWindow::addPluginWidget(QWidget* widget, PluginWidgetType type)
 #endif
 
        if (type == qtrapids::PluginHostInterface::TAB_PAGE) {
-               int index = tabWidget_->addTab(widget, tr("Test"));
+               int index = tabWidget_->addTab(widget, tr("Results"));
                tabWidget_->setCurrentIndex(index);
                //layout_->addWidget(widget);
        }
@@ -160,54 +172,135 @@ void MainWindow::addMenuItem(QWidget* widget, PluginWidgetType type)
 {
 }
 
-//=========================== PRIVATE ================================
-
-void MainWindow::LoadPlugins()
+bool MainWindow::eventRequest(QVariant param, PluginRequest req)
 {
-       /// @todo get plugin directory from settings or go through multiple diectories
-       /// Now we only check the application directory
-       pluginsDir_ = QDir(qApp->applicationDirPath());
-       pluginsDir_.cd("plugins");
-       QStringList nameFilters;
-       nameFilters << "*.so";
-
-       foreach (QString fileName, pluginsDir_.entryList(nameFilters, QDir::Files)) {
-               QPluginLoader pluginLoader(pluginsDir_.absoluteFilePath(fileName));
-
-               if (!QLibrary::isLibrary(fileName)) {
-                       qDebug() << fileName << " not a library";
-               }
-
-               if (pluginLoader.load()) {
-                       qDebug() << "Plugin loaded: "  << fileName;
+       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 {
-                       qDebug() << "Plugin load failed: " << pluginLoader.errorString();
+                       // 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;
+}
 
-               QObject *baseInstance = pluginLoader.instance();
-               if (!baseInstance) {
-                       qDebug() << "Base instance = NULL.";
-               }
 
-               qtrapids::PluginInterface *plugin = qobject_cast<qtrapids::PluginInterface*>(baseInstance);
+//=========================== PRIVATE ================================
 
-               if (!plugin) {
-                       qDebug() << "Cast failed.";
+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 {
-                       plugin->initialize(this);
-                       pluginFileNames_ += fileName;
+                       qWarning() << PLUGINS_DIR <<  "directory not accessible or does not exist in "  << dir.path();
                }
        }
 }
 
-// =========================== SLOTS =================================
+
+void MainWindow::RestoreSettings()
+{
+       btSession_.setUploadRateLimit(settings_.value("network/uploadRate").toInt());
+       btSession_.setDownloadRateLimit(settings_.value("network/downloadRate").toInt());
+}
+
+
+// Opens torrent information from buffer data and adds torrent to session 
+void MainWindow::StartTorrentFromBufferData(char const* data, int size)
+{
+       // For params, see: http://www.rasterbar.com/products/libtorrent/manual.html#add-torrent
+       /// @todo Should typedef libtorrent::torrent_info to something
+       AddTorrentParams addParams;
+       boost::intrusive_ptr<libtorrent::torrent_info> tiTmp =
+           new libtorrent::torrent_info(data, size);
+       addParams.ti = tiTmp;
+       // save_path is the only mandatory parameter, rest are optional.
+       addParams.save_path = boost::filesystem::path(settings_.value("download/directory").toString().toStdString());
+       //addParams.storage_mode = libtorrent::storage_mode_allocate;
+       qtrapids::QTorrentHandle handle = btSession_.addTorrent(addParams);
+       dlView_->newItem(handle);
+//     torrentHandles_.push_back(handlePtr);
+#ifdef QTRAPIDS_DEBUG
+       qDebug() << "Is valid: " << handle.isValid();
+#endif
+}
+
+// =========================== PRIVATE SLOTS =================================
 void MainWindow::on_openAction_clicked()
 {
        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()
@@ -216,21 +309,25 @@ void MainWindow::on_removeAction_clicked()
        btSession_.removeTorrent(handle);
 }
 
+
 void MainWindow::on_quitAction_clicked()
 {
        close();
 }
 
+
 void MainWindow::on_preferencesAction_clicked()
 {
        if (!preferencesDialog_) {
-               preferencesDialog_ = new PreferencesDialog(this);
+               preferencesDialog_ = new PreferencesDialog(this, NULL, &btSession_);
        }
+
        preferencesDialog_->show();
        preferencesDialog_->raise();
        preferencesDialog_->activateWindow();
 }
 
+
 void MainWindow::on_aboutAction_clicked()
 {
        QMessageBox::about(this, tr("About QtRapids"), ABOUT_TEXT);
@@ -243,6 +340,22 @@ void MainWindow::on_aboutQtAction_clicked()
 }
 
 
+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
@@ -255,6 +368,7 @@ void MainWindow::on_downloadItemSelectionChanged()
        }
 }
 
+
 void MainWindow::on_seedItemSelectionChanged()
 {
 #ifdef QTRAPIDS_DEBUG
@@ -267,6 +381,7 @@ void MainWindow::on_seedItemSelectionChanged()
        }
 }
 
+
 void MainWindow::handleToolBarAction(QAction* action)
 {
        if (action->text() == "Open") {
@@ -276,6 +391,7 @@ void MainWindow::handleToolBarAction(QAction* action)
        }
 }
 
+
 void MainWindow::on_torrentFileSelected(const QString& file)
 {
 #ifdef QTRAPIDS_DEBUG
@@ -288,6 +404,7 @@ void MainWindow::on_torrentFileSelected(const QString& file)
 
        // Otherwise add torrent
        // For params, see: http://www.rasterbar.com/products/libtorrent/manual.html#add-torrent
+       /// @todo Should typedef libtorrent::torrent_info to something
        AddTorrentParams addParams;
        boost::intrusive_ptr<libtorrent::torrent_info> tiTmp =
            new libtorrent::torrent_info(boost::filesystem::path(file.toStdString()));
@@ -303,7 +420,6 @@ void MainWindow::on_torrentFileSelected(const QString& file)
 #endif
 }
 
-
 void MainWindow::on_alert(std::auto_ptr<Alert> al)
 {
        if (al.get() != NULL) {