public void go(final String text, int direction, int displayPage, int searchPage) {
if (mCore == null) return;
stop();
final int increment = direction;
final int startIndex = searchPage == -1 ? displayPage : searchPage + increment;
final ProgressDialogX progressDialog = new ProgressDialogX(mContext);
progressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
progressDialog.setTitle(mContext.getString(R.string.searching_));
progressDialog.setOnCancelListener(
new DialogInterface.OnCancelListener() {
public void onCancel(DialogInterface dialog) {
stop();
}
});
progressDialog.setMax(mCore.countPages());
mSearchTask =
new AsyncTask<Void, Integer, SearchTaskResult>() {
@Override
protected SearchTaskResult doInBackground(Void... params) {
int index = startIndex;
while (0 <= index && index < mCore.countPages() && !isCancelled()) {
publishProgress(index);
RectF searchHits[] = mCore.searchPage(index, text);
if (searchHits != null && searchHits.length > 0)
return new SearchTaskResult(text, index, searchHits);
index += increment;
}
return null;
}
@Override
protected void onPostExecute(SearchTaskResult result) {
progressDialog.cancel();
if (result != null) {
onTextFound(result);
} else {
mAlertBuilder.setTitle(
SearchTaskResult.get() == null
? R.string.text_not_found
: R.string.no_further_occurrences_found);
AlertDialog alert = mAlertBuilder.create();
alert.setButton(
AlertDialog.BUTTON_POSITIVE,
mContext.getString(R.string.dismiss),
(DialogInterface.OnClickListener) null);
alert.show();
}
}
@Override
protected void onCancelled() {
progressDialog.cancel();
}
@Override
protected void onProgressUpdate(Integer... values) {
progressDialog.setProgress(values[0].intValue());
}
@Override
protected void onPreExecute() {
super.onPreExecute();
mHandler.postDelayed(
new Runnable() {
public void run() {
if (!progressDialog.isCancelled()) {
progressDialog.show();
progressDialog.setProgress(startIndex);
}
}
},
SEARCH_PROGRESS_DELAY);
}
};
mSearchTask.execute();
}
