simple PVS configuration in vmchooser

This patch adds a GroupBox with PVS access restriction options to vmchooser.
Vmchooser checks if a PVS daemon is running and if so, displays some access configuration options.
The options will be sent to the PVS daemon after a session has been started (just before vmchooser exits).

All PVS configuration program logic is contained in the Dialog class. (It would probably be better to use a custom widget for the PVS options.)

The file org.openslx.pvs.xml has been copied from a PVS build. This file has to be updated manually when the PVS D-Bus specification changes.

1 files changed, 104 insertions, 0 deletions

diff --git a/src/dialog.cpp b/src/dialog.cpp
index a7b3a5e..37b6fb6 100644
--- a/src/dialog.cpp
+++ b/src/dialog.cpp
@@ -3,12 +3,29 @@
 #include "save_restore_session.h"
 #include "sessiontreeitem.h"
 
+
 Dialog::Dialog(QWidget *parent) :
     QDialog(parent),
     ui(new Ui::Dialog)
 {
     model_ = new SessionTreeModel(parent);
     ui->setupUi(this);
+
+    QDBusConnection dbus = QDBusConnection::sessionBus();
+    ifaceDBus_ = new OrgOpenslxPvsInterface("org.openslx.pvs", "/", dbus, this);
+
+    if (ifaceDBus_->isValid()) {
+        // PVS is running
+        QStringList accessOptions;
+        accessOptions << "None" << "View Only" << "Full";
+        ui->comboBoxLecturer->insertItems(0, accessOptions);
+        ui->comboBoxOthers->insertItems(0, accessOptions);
+
+        readPVSSettings();
+        ui->PVSOptionsGroupBox->show();
+    } else {
+        ui->PVSOptionsGroupBox->hide();
+    }
 }
 
 Dialog::~Dialog()
@@ -44,6 +61,9 @@ void Dialog::on_treeView_activated(QModelIndex index)
         return;
     }
     if (s->run()) {
+        if (ifaceDBus_->isValid()) {
+            writePVSSettings();
+        }
         writeSessionName(s->shortDescription());
         close();
     } else {
@@ -79,3 +99,87 @@ void Dialog::on_pushButtonStart_clicked()
     // TODO: check if a model is selected
     this->on_treeView_activated(ui->treeView->selectionModel()->currentIndex());
 }
+
+void Dialog::readPVSSettings()
+{
+    QDBusPendingReply<QString> reply;
+
+    reply = ifaceDBus_->getConfigValue("Permissions/vnc_lecturer");
+    reply.waitForFinished();
+    if (reply.isValid())
+    {
+        if (reply.value() == "rw") {
+            ui->comboBoxLecturer->setCurrentIndex(2);
+        } else if (reply.value() == "ro") {
+            ui->comboBoxLecturer->setCurrentIndex(1);
+        } else {
+            ui->comboBoxLecturer->setCurrentIndex(0);
+        }
+    }
+
+    reply = ifaceDBus_->getConfigValue("Permissions/vnc_other");
+    reply.waitForFinished();
+    if (reply.isValid())
+    {
+        if (reply.value() == "rw") {
+            ui->comboBoxOthers->setCurrentIndex(2);
+        } else if (reply.value() == "ro") {
+            ui->comboBoxOthers->setCurrentIndex(1);
+        } else {
+            ui->comboBoxOthers->setCurrentIndex(0);
+        }
+    }
+
+    reply = ifaceDBus_->getConfigValue("Permissions/allow_chat");
+    reply.waitForFinished();
+    if (reply.isValid())
+        ui->checkBoxChat->setChecked(reply.value() == "T");
+
+    reply = ifaceDBus_->getConfigValue("Permissions/allow_filetransfer");
+    reply.waitForFinished();
+    if (reply.isValid())
+        ui->checkBoxFileTransfer->setChecked(reply.value() == "T");
+}
+
+void Dialog::writePVSSettings()
+{
+    int accessLecturer = ui->comboBoxLecturer->currentIndex();
+    if (accessLecturer == 2) {
+        ifaceDBus_->setConfigValue("Permissions/vnc_lecturer", "rw");
+    } else if (accessLecturer == 1) {
+        ifaceDBus_->setConfigValue("Permissions/vnc_lecturer", "ro");
+    } else {
+        ifaceDBus_->setConfigValue("Permissions/vnc_lecturer", "no");
+    }
+
+    int accessOthers = ui->comboBoxOthers->currentIndex();
+    if (accessOthers == 2) {
+        ifaceDBus_->setConfigValue("Permissions/vnc_other", "rw");
+    } else if (accessOthers == 1) {
+        ifaceDBus_->setConfigValue("Permissions/vnc_other", "ro");
+    } else {
+        ifaceDBus_->setConfigValue("Permissions/vnc_other", "no");
+    }
+
+    ifaceDBus_->setConfigValue("Permissions/allow_chat",
+            QString(ui->checkBoxChat->isChecked() ? "T" : "F"));
+    ifaceDBus_->setConfigValue("Permissions/allow_filetransfer",
+            QString(ui->checkBoxFileTransfer->isChecked() ? "T" : "F"));
+}
+
+void Dialog::on_comboBoxLecturer_currentIndexChanged(int index)
+{
+    // TODO: may others have more access than lecturer?
+    if (index < ui->comboBoxOthers->currentIndex()) {
+        ui->comboBoxOthers->setCurrentIndex(index);
+    }
+}
+
+void Dialog::on_comboBoxOthers_currentIndexChanged(int index)
+{
+    // TODO: may others have more access than lecturer?
+    if (index > ui->comboBoxLecturer->currentIndex()) {
+        ui->comboBoxLecturer->setCurrentIndex(index);
+    }
+
+}