OP-1174 uploader gadget - now wait for all boards to be disconnected (used to wait for *one* board to be disconnected).

This was acheived by reusing new ConnectionWaiter.

ground/openpilotgcs/src/plugins/uploader/uploadergadgetwidget.cpp

@@ -31,6 +31,7 @@
 #include <coreplugin/coreconstants.h>
 #include <uavtalk/telemetrymanager.h>
 
+#include <QProgressBar>
 #include <QDebug>
 
 #define DFU_DEBUG true
@@ -51,19 +52,6 @@ TimedDialog::TimedDialog(const QString &title, const QString &labelText, int tim
     setBar(bar);
 }
 
-int TimedDialog::exec() {
-    QTimer timer(this);
-    connect(&timer, SIGNAL(timeout()), this, SLOT(perform()));
-
-    setValue(0);
-
-    timer.start(1000);
-    int result = QProgressDialog::exec();
-    timer.stop();
-
-    return result;
-}
-
 void TimedDialog::perform()
 {
     setValue(value() + 1);
@@ -71,8 +59,7 @@ void TimedDialog::perform()
     if (remaining > 0) {
         bar->setFormat(tr("Timing out in %1 seconds").arg(remaining));
     } else {
-        setResult(TimedDialog::TimedOut);
-        close();
+        bar->setFormat(tr("Timed out after %1 seconds").arg(bar->maximum()));
     }
 }
 
@@ -93,6 +80,11 @@ int ConnectionWaiter::exec() {
     return result;
 }
 
+void ConnectionWaiter::cancel() {
+    quit();
+    result = ConnectionWaiter::Canceled;
+}
+
 void ConnectionWaiter::quit() {
     disconnect(USBMonitor::instance(), SIGNAL(deviceDiscovered(USBPortInfo)), this, SLOT(deviceEvent()));
     disconnect(USBMonitor::instance(), SIGNAL(deviceRemoved(USBPortInfo)), this, SLOT(deviceEvent()));
@@ -118,6 +110,14 @@ void ConnectionWaiter::deviceEvent()
     }
 }
 
+int ConnectionWaiter::openDialog(const QString &title, const QString &labelText, int targetDeviceCount, int timeout, QWidget *parent, Qt::WindowFlags flags) {
+    TimedDialog dlg(title, labelText, timeout / 1000, parent, flags);
+    ConnectionWaiter waiter(targetDeviceCount, timeout, parent);
+    connect(&dlg, SIGNAL(canceled()), &waiter, SLOT(cancel()));
+    connect(&waiter, SIGNAL(timeChanged(int)), &dlg, SLOT(perform()));
+    return waiter.exec();
+}
+
 UploaderGadgetWidget::UploaderGadgetWidget(QWidget *parent) : QWidget(parent)
 {
     m_config    = new Ui_UploaderWidget();
@@ -770,14 +770,12 @@ void UploaderGadgetWidget::systemRescue()
     // Check if boards are connected and, if yes, prompt user to disconnect them all
     if (USBMonitor::instance()->availableDevices(0x20a0, -1, -1, -1).length() > 0) {
         QString labelText = QString("<p align=\"left\">%1</p>").arg(tr("Please disconnect your OpenPilot board."));
-        TimedDialog progressDlg(tr("System Rescue"), labelText, BOARD_EVENT_TIMEOUT / 1000);
-        connect(USBMonitor::instance(), SIGNAL(deviceRemoved(USBPortInfo)), &progressDlg, SLOT(accept()));
-        switch(progressDlg.exec()) {
-        case TimedDialog::Rejected:
-            // user canceled dialog
+        int result = ConnectionWaiter::openDialog(tr("System Rescue"), labelText, 0, BOARD_EVENT_TIMEOUT, this);
+        switch(result) {
+        case ConnectionWaiter::Canceled:
             m_config->rescueButton->setEnabled(true);
             return;
-        case TimedDialog::TimedOut:
+        case ConnectionWaiter::TimedOut:
             QMessageBox::warning(this, tr("System Rescue"), tr("Timed out while waiting for all boards to be disconnected!"));
             m_config->rescueButton->setEnabled(true);
             return;
@@ -786,14 +784,12 @@ void UploaderGadgetWidget::systemRescue()
 
     // Now prompt user to connect board
     QString labelText = QString("<p align=\"left\">%1<br>%2</p>").arg(tr("Please connect your OpenPilot board.")).arg(tr("Board must be connected to the USB port!"));
-    TimedDialog progressDlg(tr("System Rescue"), labelText, BOARD_EVENT_TIMEOUT / 1000);
-    connect(USBMonitor::instance(), SIGNAL(deviceDiscovered(USBPortInfo)), &progressDlg, SLOT(accept()));
-    switch(progressDlg.exec()) {
-    case TimedDialog::Rejected:
-        // user canceled dialog
+    int result = ConnectionWaiter::openDialog(tr("System Rescue"), labelText, 1, BOARD_EVENT_TIMEOUT, this);
+    switch(result) {
+    case ConnectionWaiter::Canceled:
         m_config->rescueButton->setEnabled(true);
         return;
-    case TimedDialog::TimedOut:
+    case ConnectionWaiter::TimedOut:
         QMessageBox::warning(this, tr("System Rescue"), tr("Timed out while waiting for a board to be connected!"));
         m_config->rescueButton->setEnabled(true);
         return;

ground/openpilotgcs/src/plugins/uploader/uploadergadgetwidget.h

@@ -62,18 +62,12 @@ using namespace uploader;
 
 class FlightStatus;
 
-// A dialog that will time out and close after a given delay
 class TimedDialog: public QProgressDialog {
     Q_OBJECT
 
 public:
     TimedDialog(const QString &title, const QString &labelText, int timeout, QWidget *parent = 0, Qt::WindowFlags flags = 0);
 
-    enum DialogCode { Rejected, Accepted, TimedOut };
-
-public slots:
-    int exec();
-
 private slots:
     void perform();
 
@@ -90,12 +84,15 @@ class ConnectionWaiter: public QObject {
 public:
     ConnectionWaiter(int targetDeviceCount, int timeout, QWidget *parent = 0);
 
-    enum DialogCode { Ok, TimedOut };
+    enum ResultCode { Ok, Canceled, TimedOut };
 
 public slots:
     int exec();
+    void cancel();
     void quit();
 
+    static int openDialog(const QString &title, const QString &labelText, int targetDeviceCount, int timeout, QWidget *parent = 0, Qt::WindowFlags flags = 0);
+
 signals:
     void timeChanged(int elapsed);
 
@@ -106,7 +103,7 @@ private slots:
 private:
     QEventLoop eventLoop;
     QTimer timer;
-    // timeour in ms
+    // timeout in ms
     int timeout;
     // elapsed time in seconds
     int elapsed;