Bug 46753 [misc] Typing should not be blocked by background activity
Build 20031111 1. Open an editor 2. Start a CVS background activity (e.g. Synchronize several projects) 3. Start typing in the editor Observe: The whole UI freezes and what you typed is not shown in the editor until the end of the backgroung activity
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/filebuffers/CompilationUnitDocumentProvider2.java
} catch (JavaModelException ex) {
						if (!ex.isDoesNotExist())
							handleCoreException(ex, ex.getMessage());
					}
				}
			}
			
			/*
			 * @see IProblemRequestor#beginReporting()
			 */
			public void beginReporting() {
				if (fCompilationUnit != null && fCompilationUnit.getJavaProject().isOnClasspath(fCompilationUnit))
					fCollectedProblems= new ArrayList();
				else
					fCollectedProblems= null;
			}
			
			/*
			 * @see IProblemRequestor#acceptProblem(IProblem)
			 */
			public void acceptProblem(IProblem problem) {
				if (isActive())
					fCollectedProblems.add(problem);
			}
			/*
			 * @see IProblemRequestor#endReporting()
			 */
			public void endReporting() {
				
				if (!isActive())