Added configuration option for dvd mount

Preparation for new action dvd mount. Add setting for dvd mount
directory.

2 files changed, 67 insertions, 2 deletions

diff --git a/configurationdialog.cpp b/configurationdialog.cpp
index 20e424b..be6fea8 100644
--- a/configurationdialog.cpp
+++ b/configurationdialog.cpp
@@ -22,6 +22,10 @@
 #include <QGroupBox>
 #include <QCheckBox>
 #include <QSpinBox>
+#include <QFileInfo>
+#include <QMessageBox>
+#include <QFile>
+#include <QTextStream>
 
 #include "configurationdialog.h"
 #include "programconfigurator.h"
@@ -66,6 +70,10 @@ ConfigurationDialog::ConfigurationDialog(QWidget *parent, Qt::WindowFlags f) : Q
 	mFfProbePath->setCompleter(fsCompleter);
 	pathGrid->addWidget(miscl4, 2, 0);
 	pathGrid->addWidget(mFfProbePath, 2, 1);
+	QLabel *miscl5 = new QLabel(tr("DVD mount directory"));
+	mDvdMountPath = new QLineEdit;
+	pathGrid->addWidget(miscl5, 3, 0);
+	pathGrid->addWidget(mDvdMountPath, 3, 1);
 	pathBox->setLayout(pathGrid);
 
 	//misc - hover
@@ -78,9 +86,9 @@ ConfigurationDialog::ConfigurationDialog(QWidget *parent, Qt::WindowFlags f) : Q
 	mHoverOpacity = new QSpinBox;
 	mHoverOpacity->setMinimum(1);
 	mHoverOpacity->setMaximum(10);
-	QLabel *miscl5 = new QLabel(tr("Opacity of hover window"));
+	QLabel *miscl6 = new QLabel(tr("Opacity of hover window"));
 	QHBoxLayout *opacityLayout = new QHBoxLayout;
-	opacityLayout->addWidget(miscl5);
+	opacityLayout->addWidget(miscl6);
 	opacityLayout->addWidget(mHoverOpacity);
 	hoverLayout->addLayout(opacityLayout);
 	hoverBox->setLayout(hoverLayout);
@@ -163,6 +171,7 @@ void ConfigurationDialog::readSettings(){
 	mArchiveDir->setText(s.value("paths/archivedir").toString());
 	mBurnDir->setText(s.value("paths/burn").toString());
 	mFfProbePath->setText(s.value("paths/ffprobe").toString());
+	mDvdMountPath->setText(s.value("paths/dvdmount").toString());
 	mHoverPics->setChecked(s.value("ui/hoverpics", false).toBool());
 	mHoverArchive->setChecked(s.value("ui/hoverarchive", false).toBool());
 	mHoverOpacity->setValue(s.value("ui/hoveropacity", 10).toInt());
@@ -187,6 +196,9 @@ void ConfigurationDialog::writeSettings(){
 	if(ffProbeInfo.exists() && ffProbeInfo.isExecutable()){
 		s.setValue("paths/ffprobe", ffprobe);
 	}
+	if(checkDvdPath()){
+		s.setValue("paths/dvdmount", mDvdMountPath->text());
+	}
 	s.setValue("ui/hoverpics", (mHoverPics->checkState() == Qt::Checked));
 	s.setValue("ui/hoverarchive", (mHoverArchive->checkState() == Qt::Checked));
 	s.setValue("ui/hoveropacity", mHoverOpacity->value());
@@ -204,3 +216,53 @@ void ConfigurationDialog::writeSettings(){
 	mPicConfig->writeSettings();
 }
 
+bool ConfigurationDialog::checkDvdPath(){
+	QString path = mDvdMountPath->text();
+	if(path.isEmpty()){
+		return true;
+	}
+	QFileInfo mountInfo(path);
+	if(!mountInfo.exists() || !mountInfo.isDir()){
+		QString message = QString(tr("%1 does not exist or is not a directory. Ignoring.")).arg(path);
+		mountError(message);
+		return false;
+	}
+	QFile fstab("/etc/fstab");
+	if(!fstab.exists() || !fstab.open(QFile::ReadOnly)){
+		mountError(QString());
+		return true;
+	}
+	QTextStream fStream(&fstab);
+	QString line;
+	bool ok = false;
+	do {
+		line = fStream.readLine();
+		if(line.contains(path)){
+			QStringList fsParts = line.split(QRegExp("\\s+"));
+			if(fsParts.isEmpty() || (fsParts.size() < 4)){
+				continue;
+			}
+			QStringList options = fsParts.at(3).split(',');
+			foreach(QString opt, options){
+				if(opt.toLower().trimmed() == "user"){
+					ok = true;
+					break;
+				}
+			}
+		}
+	} while(!line.isNull());
+	if(!ok){
+		QString message = QString(tr("Didn't find %1 in fstab or it isn't user mountable. Ignoring.")).arg(path);
+		mountError(message);
+		return false;
+	}
+	return true;
+}
+
+void ConfigurationDialog::mountError(const QString &error){
+	if(!error.isEmpty()){
+		QMessageBox::critical(this, tr("Mount Path Error"), error);
+	}
+	QSettings s;
+	s.setValue("paths/dvdmount", QString());
+}
diff --git a/configurationdialog.h b/configurationdialog.h
index f41cabe..f97a2d9 100644
--- a/configurationdialog.h
+++ b/configurationdialog.h
@@ -31,6 +31,8 @@ class ConfigurationDialog : public QDialog {
 	private:
 		void readSettings();
 		void writeSettings();
+		bool checkDvdPath();
+		void mountError(const QString &error);
 		QPushButton *mOk;
 		QPushButton *mCancel;
 		QTabWidget *mTab;
@@ -39,6 +41,7 @@ class ConfigurationDialog : public QDialog {
 		QLineEdit *mArchiveDir;
 		QLineEdit *mBurnDir;
 		QLineEdit *mFfProbePath;
+		QLineEdit *mDvdMountPath;
 		QLineEdit *mDatabaseHost;
 		QLineEdit *mDatabaseName;
 		QLineEdit *mDatabaseUsername;