Made the version list load in the background on startup.

Resolves JIRA issue MMC-11:
	https://jira.forkk.net/browse/MMC-11

gui/mainwindow.cpp

@@ -56,6 +56,8 @@
 #include "instancemodel.h"
 #include "instancedelegate.h"
 
+#include "minecraftversionlist.h"
+
 // Opens the given file in the default application.
 // TODO: Move this somewhere.
 void openInDefaultProgram ( QString filename );
@@ -75,16 +77,16 @@ MainWindow::MainWindow ( QWidget *parent ) :
 	view->setPalette(pal);
 	*/
 	
-	view->setStyleSheet(
-		"QListView\
-		{\
-			background-image: url(:/backgrounds/kitteh);\
-			background-attachment: fixed;\
-			background-clip: padding;\
-			background-position: top right;\
-			background-repeat: none;\
-			background-color:palette(base);\
-		}");
+//	view->setStyleSheet(
+//		"QListView\
+//		{\
+//			background-image: url(:/backgrounds/kitteh);\
+//			background-attachment: fixed;\
+//			background-clip: padding;\
+//			background-position: top right;\
+//			background-repeat: none;\
+//			background-color:palette(base);\
+//		}");
 	
 	view->setSelectionMode ( QAbstractItemView::SingleSelection );
 	//view->setSpacing( KDialog::spacingHint() );
@@ -126,6 +128,12 @@ MainWindow::MainWindow ( QWidget *parent ) :
 	instList.at(0)->setGroup("TEST GROUP");
 	instList.at(0)->setName("TEST ITEM");
 	*/
+	
+	if (!MinecraftVersionList::getMainList().isLoaded())
+	{
+		m_versionLoadTask = MinecraftVersionList::getMainList().getLoadTask();
+		startTask(m_versionLoadTask);
+	}
 }
 
 MainWindow::~MainWindow()
@@ -146,6 +154,14 @@ void MainWindow::instanceActivated ( QModelIndex index )
 
 void MainWindow::on_actionAddInstance_triggered()
 {
+	if (!MinecraftVersionList::getMainList().isLoaded() &&
+		m_versionLoadTask && m_versionLoadTask->isRunning())
+	{
+		QEventLoop waitLoop;
+		waitLoop.connect(m_versionLoadTask, SIGNAL(ended()), SLOT(quit()));
+		waitLoop.exec();
+	}
+	
 	NewInstanceDialog *newInstDlg = new NewInstanceDialog ( this );
 	if (newInstDlg->exec())
 	{
@@ -347,6 +363,26 @@ void MainWindow::onLoginFailed ( QString inst, const QString& errorMsg )
 	doLogin(inst, errorMsg);
 }
 
+void MainWindow::taskStart(Task *task)
+{
+	// Nothing to do here yet.
+}
+
+void MainWindow::taskEnd(Task *task)
+{
+	if (task == m_versionLoadTask)
+		m_versionLoadTask = NULL;
+	
+	delete task;
+}
+
+void MainWindow::startTask(Task *task)
+{
+	connect(task, SIGNAL(started(Task*)), SLOT(taskStart(Task*)));
+	connect(task, SIGNAL(ended(Task*)), SLOT(taskEnd(Task*)));
+	task->startTask();
+}
+
 
 // Create A Desktop Shortcut
 void MainWindow::on_actionMakeDesktopShortcut_triggered()

gui/mainwindow.h

@@ -88,9 +88,14 @@ private slots:
 	void onLoginComplete( QString inst, LoginResponse response );
 	void onLoginFailed( QString inst, const QString& errorMsg );
 	
+	void taskStart(Task *task);
+	void taskEnd(Task *task);
+
 public slots:
 	void instanceActivated ( QModelIndex );
 	
+	void startTask(Task *task);
+
 private:
 	Ui::MainWindow *ui;
 	KCategoryDrawer * drawer;
@@ -100,6 +105,8 @@ private:
 	InstanceList instList;
 	MinecraftProcess *proc;
 	ConsoleWindow *console;
+	
+	Task *m_versionLoadTask;
 };
 
 #endif // MAINWINDOW_H

gui/taskdialog.cpp

@@ -45,14 +45,10 @@ void TaskDialog::exec(Task *task)
 	this->task = task;
 	
 	// Connect signals.
-	connect(task, SIGNAL(taskStarted(Task*)),
-			this, SLOT(onTaskStarted(Task*)));
-	connect(task, SIGNAL(taskEnded(Task*)),
-			this, SLOT(onTaskEnded(Task*)));
-	connect(task, SIGNAL(statusChanged(const QString&)),
-			this, SLOT(changeStatus(const QString&)));
-	connect(task, SIGNAL(progressChanged(int)),
-			this, SLOT(changeProgress(int)));
+	connect(task, SIGNAL(started(Task*)), SLOT(onTaskStarted(Task*)));
+	connect(task, SIGNAL(ended(Task*)), SLOT(onTaskEnded(Task*)));
+	connect(task, SIGNAL(statusChanged(const QString&)), SLOT(changeStatus(const QString&)));
+	connect(task, SIGNAL(progressChanged(int)), SLOT(changeProgress(int)));
 	
 	task->startTask();
 	QDialog::exec();

libmultimc/include/task.h

@@ -48,8 +48,15 @@ public slots:
 	void setProgress(int progress);
 	
 signals:
-	void taskStarted(Task* task);
-	void taskEnded(Task* task);
+	void started(Task* task);
+	void ended(Task* task);
+	
+	void started();
+	void ended();
+	
+	
+	void statusChanged(Task* task, const QString& status);
+	void progressChanged(Task* task, int progress);
 	
 	void statusChanged(const QString& status);
 	void progressChanged(int progress);
@@ -58,6 +65,12 @@ protected:
 	virtual void run();
 	virtual void executeTask() = 0;
 	
+	virtual void emitStarted();
+	virtual void emitEnded();
+	
+	virtual void emitStatusChange(const QString &status);
+	virtual void emitProgressChange(int progress);
+	
 	QString status;
 	int progress;
 };

libmultimc/src/task.cpp

@@ -29,7 +29,7 @@ QString Task::getStatus() const
 void Task::setStatus(const QString &status)
 {
 	this->status = status;
-	emit statusChanged(status);
+	emitStatusChange(status);
 }
 
 int Task::getProgress() const
@@ -45,7 +45,7 @@ void Task::calcProgress(int parts, int whole)
 void Task::setProgress(int progress)
 {
 	this->progress = progress;
-	emit progressChanged(progress);
+	emitProgressChange(progress);
 }
 
 void Task::startTask()
@@ -55,7 +55,29 @@ void Task::startTask()
 
 void Task::run()
 {
-	emit taskStarted(this);
+	emitStarted();
 	executeTask();
-	emit taskEnded(this);
+	emitEnded();
+}
+
+void Task::emitStarted()
+{
+	emit started();
+	emit started(this);
+}
+
+void Task::emitEnded()
+{
+	emit ended();
+	emit ended(this);
+}
+
+void Task::emitStatusChange(const QString &status)
+{
+	emit statusChanged(status);
+}
+
+void Task::emitProgressChange(int progress)
+{
+	emit progressChanged(progress);
 }