Added support for mounting cd/dvds

DVDs or CDs can be mounted under *NIX like OS now. It still eludes me
how to refresh a directory from a QFileSystemModel when it's mounted.
Maybe it's a qt bug...

1 files changed, 52 insertions, 0 deletions

diff --git a/filesystemwidget.cpp b/filesystemwidget.cpp
index 5d63aef..037c5f5 100644
--- a/filesystemwidget.cpp
+++ b/filesystemwidget.cpp
@@ -21,6 +21,11 @@
 #include <QFile>
 #include <QAction>
 #include <QRegExp>
+#include <QFile>
+#include <QTextStream>
+
+#include <errno.h>
+#include <string.h>
 
 #include "filesystemwidget.h"
 #include "filesystemdirproxy.h"
@@ -32,6 +37,8 @@
 #include "pictureviewer.h"
 #include "smglobals.h"
 
+extern int errno;
+
 FilesystemWidget::FilesystemWidget(QWidget *parent) : QWidget(parent) {
 	mModel = new QFileSystemModel;
 	mModel->setRootPath("/");
@@ -107,6 +114,27 @@ FilesystemWidget::FilesystemWidget(QWidget *parent) : QWidget(parent) {
 	setLayout(mainLayout);
 }
 
+bool FilesystemWidget::isMounted(){
+	QSettings s;
+	QString mount = s.value("paths/dvdmount").toString();
+	if(mount.isEmpty()){
+		return false;
+	}
+	QFile mounts("/proc/mounts");
+	if(!mounts.exists() || !mounts.open(QFile::ReadOnly)){
+		return false;
+	}
+	QTextStream mountStream(&mounts);
+	QString line;
+	do {
+		line = mountStream.readLine();
+		if(line.contains(mount)){
+			return true;
+		}
+	} while(!line.isNull());
+	return false;
+}
+
 void FilesystemWidget::directoryChanged(const QModelIndex &selected, const QModelIndex &deselected){
 	QModelIndex real = mDirProxy->mapToSource(selected);
 	if(!real.isValid()){
@@ -397,6 +425,30 @@ void FilesystemWidget::writeSettings(){
 	s.setValue("windows/picviewer", mPicViewer->pos());
 }
 
+void FilesystemWidget::dvdMount(){
+	QSettings s;
+	QString mountDir = s.value("paths/dvdmount").toString();
+	if(isMounted()){
+		goBack();
+		int retval = QProcess::execute("umount", QStringList() << mountDir);
+		if(retval){
+			QString message = QString(tr("Could not unmount %1: %2")).arg(mountDir).arg(strerror(retval));
+			QMessageBox::critical(this, tr("Error"), message);
+			return;
+		}
+		emit mounted(false);
+	}else{
+		int retval = QProcess::execute("mount", QStringList() << mountDir);
+		if(retval){
+			QString message = QString(tr("Could not mount %1: %2")).arg(mountDir).arg(strerror(retval));
+			QMessageBox::critical(this, tr("Error"), message);
+			return;
+		}
+		QModelIndex mountIdx = mModel->index(mountDir);
+		emit mounted(true);
+	}
+}
+
 void FilesystemWidget::setWindowTitle(const QString &dir){
 	mWindowTitle = QString("%1 - %2").arg(qApp->applicationName()).arg(dir);
 	emit windowTitle(mWindowTitle);