Remove Editor.stopHandler

This handler was only always assigned the DefaultStopHandler, which did
nothing. It was called in a few places, but since it never does
anything, better remove it. For properly supporting stopping of external
processes, some better architecture should be added instead.

Author: matthijskooijman

app/src/processing/app/Base.java

@@ -767,8 +767,6 @@ public void handleNewReplace() {
     if (!activeEditor.checkModified()) {
       return;  // sketch was modified, and user canceled
     }
-    // Close the running window, avoid window boogers with multiple sketches
-    activeEditor.internalCloseRunner();
 
     // Actually replace things
     handleNewReplaceImpl();
@@ -793,8 +791,6 @@ public void handleOpenReplace(File file) {
     if (!activeEditor.checkModified()) {
       return;  // sketch was modified, and user canceled
     }
-    // Close the running window, avoid window boogers with multiple sketches
-    activeEditor.internalCloseRunner();
 
     boolean loaded = activeEditor.handleOpenInternal(file);
     if (!loaded) {
@@ -957,9 +953,6 @@ public boolean handleClose(Editor editor) {
       return false;
     }
 
-    // Close the running window, avoid window boogers with multiple sketches
-    editor.internalCloseRunner();
-
     if (editors.size() == 1) {
       // This will store the sketch count as zero
       editors.remove(editor);
@@ -1014,10 +1007,6 @@ public boolean handleQuit() {
     }
 
     if (handleQuitEach()) {
-      // make sure running sketches close before quitting
-      for (Editor editor : editors) {
-        editor.internalCloseRunner();
-      }
       // Save out the current prefs state
       PreferencesData.save();
 

app/src/processing/app/Editor.java

@@ -191,7 +191,6 @@ public boolean test(SketchController sketch) {
   Runnable presentHandler;
   private Runnable runAndSaveHandler;
   private Runnable presentAndSaveHandler;
-  private Runnable stopHandler;
   Runnable exportHandler;
   private Runnable exportAppHandler;
 
@@ -1568,7 +1567,6 @@ private void resetHandlers() {
     presentHandler = new BuildHandler(true);
     runAndSaveHandler = new BuildHandler(false, true);
     presentAndSaveHandler = new BuildHandler(true, true);
-    stopHandler = new DefaultStopHandler();
     exportHandler = new DefaultExportHandler();
     exportAppHandler = new DefaultExportAppHandler();
   }
@@ -1727,7 +1725,6 @@ public void handleRun(final boolean verbose, Runnable verboseHandler, Runnable n
   }
 
   private void handleRun(final boolean verbose, Predicate<SketchController> shouldSavePredicate, Runnable verboseHandler, Runnable nonVerboseHandler) {
-    internalCloseRunner();
     if (shouldSavePredicate.test(sketchController)) {
       handleSave(true);
     }
@@ -1795,42 +1792,20 @@ public void addLineHighlight(int line) throws BadLocationException {
     getCurrentTab().getTextArea().setCaretPosition(getCurrentTab().getTextArea().getLineStartOffset(line));
   }
 
-  private class DefaultStopHandler implements Runnable {
-    public void run() {
-      // TODO
-      // DAM: we should try to kill the compilation or upload process here.
-    }
-  }
-
 
   /**
    * Implements Sketch &rarr; Stop, or pressing Stop on the toolbar.
    */
   private void handleStop() {  // called by menu or buttons
 //    toolbar.activate(EditorToolbar.STOP);
 
-    internalCloseRunner();
-
     toolbar.deactivateRun();
 //    toolbar.deactivate(EditorToolbar.STOP);
 
     // focus the PDE again after quitting presentation mode [toxi 030903]
     toFront();
   }
 
-
-  /**
-   * Handle internal shutdown of the runner.
-   */
-  public void internalCloseRunner() {
-
-    if (stopHandler != null)
-    try {
-      stopHandler.run();
-    } catch (Exception e) { }
-  }
-
-
   /**
    * Check if the sketch is modified and ask user to save changes.
    * @return false if canceling the close/quit operation
@@ -1912,7 +1887,6 @@ protected boolean checkModified() {
    */
   protected void handleOpenUnchecked(File file, int codeIndex,
                                      int selStart, int selStop, int scrollPos) {
-    internalCloseRunner();
     handleOpenInternal(file);
     // Replacing a document that may be untitled. If this is an actual
     // untitled document, then editor.untitled will be set by Base.