Check project disposed state

plugins/android-designer/src/com/intellij/android/designer/designSurface/AndroidDesignerEditorPanel.java

@@ -193,7 +193,7 @@ public final class AndroidDesignerEditorPanel extends DesignerEditorPanel {
     }
     catch (RuntimeException e) {
       myPSIChangeListener.clear();
-      showError("Parsing error", e.getCause());
+      showError("Parsing error", e.getCause() == null ? e : e.getCause());
     }
   }
 
@@ -289,7 +289,7 @@ public final class AndroidDesignerEditorPanel extends DesignerEditorPanel {
             RenderUtil.renderLayout(myModule, layoutXmlText, myFile, null, target, facet, config, xdpi, ydpi, theme, 10000, true);
 
           if (ApplicationManagerEx.getApplicationEx().isInternal()) {
-            System.out.println("Render time: " + (System.currentTimeMillis() - time));
+            System.out.println("Render time: " + (System.currentTimeMillis() - time)); // XXX
           }
 
           if (result == null) {
@@ -303,8 +303,10 @@ public final class AndroidDesignerEditorPanel extends DesignerEditorPanel {
             @Override
             public void run() {
               try {
-                hideProgress();
-                runnable.run();
+                if (!getProject().isDisposed()) {
+                  hideProgress();
+                  runnable.run();
+                }
               }
               catch (Throwable e) {
                 myPSIChangeListener.clear();

plugins/android-designer/src/com/intellij/android/designer/designSurface/ExternalPSIChangeListener.java

@@ -54,14 +54,14 @@ public class ExternalPSIChangeListener extends PsiTreeChangeAdapter {
   public void start() {
     if (!myRunState) {
       myRunState = true;
-      PsiManager.getInstance(myFile.getProject()).addPsiTreeChangeListener(this);
+      PsiManager.getInstance(myDesigner.getProject()).addPsiTreeChangeListener(this);
     }
   }
 
   public void stop() {
     if (myRunState) {
       myRunState = false;
-      PsiManager.getInstance(myFile.getProject()).removePsiTreeChangeListener(this);
+      PsiManager.getInstance(myDesigner.getProject()).removePsiTreeChangeListener(this);
       clear();
     }
   }
@@ -107,7 +107,7 @@ public class ExternalPSIChangeListener extends PsiTreeChangeAdapter {
     myAlarm.addRequest(new Runnable() {
       @Override
       public void run() {
-        if (myRunState && myInitialize) {
+        if (myRunState && myInitialize && !myDesigner.getProject().isDisposed()) {
           runnable.run();
         }
       }

plugins/ui-designer/ui-designer-new/src/com/intellij/designer/designSurface/DesignerEditorPanel.java

@@ -316,6 +316,10 @@ public abstract class DesignerEditorPanel extends JPanel implements DataProvider
   }
 
   public final void showError(@NotNull String message, @NotNull Throwable e) {
+    if (getProject().isDisposed()) {
+      return;
+    }
+
     while (e instanceof InvocationTargetException) {
       if (e.getCause() == null) {
         break;