private static void updateIndicator(@NotNull final String text, final double progressFraction) {
final ProgressIndicator indicator = ProgressManager.getInstance().getProgressIndicator();
if (indicator != null) {
final ProgressIndicator progressIndicator = ProgressWrapper.unwrap(indicator);
progressIndicator.setText(text);
if (progressFraction == -1) {
progressIndicator.setIndeterminate(true);
} else {
progressIndicator.setIndeterminate(false);
progressIndicator.setFraction(progressFraction);
}
}
}
// returns number of hits
static int processUsagesInFile(
@NotNull final PsiFile psiFile,
@NotNull final FindModel findModel,
@NotNull final Processor<UsageInfo> consumer) {
if (findModel.getStringToFind().isEmpty()) {
if (!ApplicationManager.getApplication()
.runReadAction((Computable<Boolean>) () -> consumer.process(new UsageInfo(psiFile)))) {
throw new ProcessCanceledException();
}
return 1;
}
final VirtualFile virtualFile = psiFile.getVirtualFile();
if (virtualFile == null) return 0;
if (virtualFile.getFileType().isBinary()) return 0; // do not decompile .class files
final Document document =
ApplicationManager.getApplication()
.runReadAction(
(Computable<Document>)
() ->
virtualFile.isValid()
? FileDocumentManager.getInstance().getDocument(virtualFile)
: null);
if (document == null) return 0;
final int[] offset = {0};
int count = 0;
int found;
ProgressIndicator indicator =
ProgressWrapper.unwrap(ProgressManager.getInstance().getProgressIndicator());
TooManyUsagesStatus tooManyUsagesStatus = TooManyUsagesStatus.getFrom(indicator);
do {
tooManyUsagesStatus.pauseProcessingIfTooManyUsages(); // wait for user out of read action
found =
ApplicationManager.getApplication()
.runReadAction(
(Computable<Integer>)
() -> {
if (!psiFile.isValid()) return 0;
return addToUsages(
document, consumer, findModel, psiFile, offset, USAGES_PER_READ_ACTION);
});
count += found;
} while (found != 0);
return count;
}