Stop recording and display alert if recording directory becomes invalid during acquisition

Author: anjaldoshi

Source/Processors/RecordNode/DiskMonitor/DiskSpaceChecker.cpp

@@ -69,6 +69,7 @@ void DiskSpaceChecker::checkDirectoryAndDiskSpace()
 {
     if (! recordNode->getParameter ("directory")->isValid())
     {
+        recordNode->getParameter ("directory")->valueChanged();
         notifyDirectoryInvalid();
         return;
     }
@@ -156,15 +157,22 @@ void DiskSpaceChecker::notifyDiskSpaceRemaining (float percentage)
 
 void DiskSpaceChecker::notifyDirectoryInvalid()
 {
+    bool recordingStopped = false;
+    if (recordNode->getRecordingStatus())
+    {
+        CoreServices::setRecordingStatus (false);
+        CoreServices::sendStatusMessage ("Recording stopped due to invalid directory.");
+        recordingStopped = true;
+    }
     std::lock_guard<std::mutex> lock (listenerMutex);
     for (auto listener : listeners)
     {
         if (listener != nullptr)
         {
-            juce::MessageManager::callAsync ([listener]()
+            juce::MessageManager::callAsync ([listener, recordingStopped]()
             {
                 try {
-                    listener->directoryInvalid();
+                    listener->directoryInvalid (recordingStopped);
                 } catch (const std::exception& e) {
                     LOGE("Error notifying directory invalid: ", e.what());
                 }

Source/Processors/RecordNode/DiskMonitor/DiskSpaceListener.h

@@ -32,7 +32,7 @@ class DiskSpaceListener
     virtual ~DiskSpaceListener() = default;
     virtual void update (float dataRate, int64 bytesFree, float timeLeft) = 0;
     virtual void updateDiskSpace (float percentage) = 0;
-    virtual void directoryInvalid() = 0;
+    virtual void directoryInvalid(bool recordingStopped = false) = 0;
     virtual void lowDiskSpace() = 0;
 };
 

Source/Processors/RecordNode/RecordNodeEditor.cpp

@@ -200,10 +200,17 @@ void DiskMonitor::updateDiskSpace (float percentage)
     setFillPercentage (1.0f - percentage);
 }
 
-void DiskMonitor::directoryInvalid()
+void DiskMonitor::directoryInvalid (bool recordingStopped)
 {
     setFillPercentage (1.0);
     setTooltip ("Invalid directory");
+
+    if (recordingStopped)
+    {
+        String msg = "Record Node (" + String (processor->getNodeId()) + ") - The selected recording path doesn't exist anymore.";
+        msg += "\n\nPlease select a valid directory in the Record Node editor and restart the recording.";
+        AlertWindow::showMessageBoxAsync (AlertWindow::WarningIcon, "Recording Stopped", msg);
+    }
 }
 
 void DiskMonitor::lowDiskSpace()
@@ -325,30 +332,28 @@ RecordToggleButton::~RecordToggleButton() {}
 
 void RecordToggleButton::paintButton (Graphics& g, bool isMouseOver, bool isButtonDown)
 {
-    
     float alpha = 1.0f;
-    
-    if (!isEnabled())
+
+    if (! isEnabled())
     {
         alpha = 0.5f;
     }
-    
-    g.setColour (Colour (0, 0, 0).withAlpha(alpha));
+
+    g.setColour (Colour (0, 0, 0).withAlpha (alpha));
     g.fillRoundedRectangle (0, 0, getWidth(), getHeight(), 4);
 
     if (! getToggleState())
     {
-        g.setColour (findColour (ThemeColours::widgetBackground).withAlpha(alpha));
+        g.setColour (findColour (ThemeColours::widgetBackground).withAlpha (alpha));
     }
     else
     {
-        g.setColour (Colour (255, 0, 0).withAlpha(alpha));
+        g.setColour (Colour (255, 0, 0).withAlpha (alpha));
     }
-        
 
     g.fillRoundedRectangle (1, 1, getWidth() - 2, getHeight() - 2, 3);
 
-    g.setColour (Colour (0, 0, 0).withAlpha(alpha));
+    g.setColour (Colour (0, 0, 0).withAlpha (alpha));
     g.fillEllipse (0.35 * getWidth(), 0.35 * getHeight(), 0.3 * getWidth(), 0.3 * getHeight());
 }
 

Source/Processors/RecordNode/RecordNodeEditor.h

@@ -161,7 +161,7 @@ class DiskMonitor : public LevelMonitor, public DiskSpaceListener
     void updateDiskSpace (float percentage) override;
 
     /** Responds to invalid directory */
-    void directoryInvalid() override;
+    void directoryInvalid(bool recordingStopped) override;
 
     /** Responds to low disk space */
     void lowDiskSpace() override;

Source/UI/ControlPanel.cpp

@@ -1174,8 +1174,6 @@ void ControlPanel::buttonClicked (Button* button)
                 if (! graph->allRecordNodeDirectoriesAreValid() && getAcquisitionState())
                 {
                     recordButton->setToggleState (false, dontSendNotification);
-                    playButton->setToggleState (false, dontSendNotification);
-                    stopAcquisition();
 
                     if (! isConsoleApp)
                     {
@@ -1408,7 +1406,16 @@ Array<String> ControlPanel::getRecentlyUsedFilenames()
 
 void ControlPanel::setRecentlyUsedFilenames (const Array<String>& filenames)
 {
-    filenameComponent->setRecentlyUsedFilenames (StringArray (filenames));
+    StringArray validFilenames;
+    for (const auto& filename : filenames)
+    {
+        if (File (filename).exists())
+        {
+            validFilenames.addIfNotAlreadyThere (filename);
+        }
+    }
+
+    filenameComponent->setRecentlyUsedFilenames (validFilenames);
 }
 
 static void forceFilenameEditor (int result, ControlPanel* panel)