Show proper error if a GIF fails to open

Source/CommonPluginEditor.cpp

@@ -84,6 +84,12 @@ bool CommonPluginEditor::keyPressed(const juce::KeyPress& key) {
         saveProject();
     } else if (key.getModifiers().isCommandDown() && key.getKeyCode() == 'O') {
         openProject();
+    } else if (key.isKeyCode(juce::KeyPress::F11Key) && juce::JUCEApplicationBase::isStandaloneApp()) {
+        // set fullscreen
+        juce::StandaloneFilterWindow* window = findParentComponentOfClass<juce::StandaloneFilterWindow>();
+        if (window != nullptr) {
+            window->setFullScreen(!fullScreen);
+        }
     }
 
     return false;

Source/CommonPluginEditor.h

@@ -25,6 +25,7 @@ public:
 
 private:
     CommonAudioProcessor& audioProcessor;
+    bool fullScreen = false;
     
     juce::File applicationFolder = juce::File::getSpecialLocation(juce::File::SpecialLocationType::userApplicationDataDirectory)
 #if JUCE_MAC

Source/img/ImageParser.cpp

@@ -66,6 +66,16 @@ ImageParser::ImageParser(OscirenderAudioProcessor& p, juce::String extension, ju
             }
         }
     }
+    
+    if (frames.size() == 0) {
+        juce::MessageManager::callAsync([this] {
+            juce::AlertWindow::showMessageBoxAsync(juce::AlertWindow::AlertIconType::WarningIcon, "Invalid GIF", "The image could not be loaded. Please try optimising the GIF with https://ezgif.com/optimize.");
+        });
+        
+        width = 1;
+        height = 1;
+        frames.emplace_back(std::vector<uint8_t>(1));
+    }
 
     setFrame(0);
 }

Source/visualiser/VisualiserComponent.cpp

@@ -361,11 +361,6 @@ bool VisualiserComponent::keyPressed(const juce::KeyPress& key) {
     } else if (key.isKeyCode(juce::KeyPress::spaceKey)) {
         setPaused(active);
         return true;
-    } else if (key.isKeyCode(juce::KeyPress::F11Key)) {
-        // set fullscreen
-        juce::Component* component = juce::TopLevelWindow::getTopLevelWindow(0);
-        juce::Desktop::getInstance().setKioskModeComponent(component, true);
-        return true;
     }
 
     return false;