| // Copyright (C) 2010 The Android Open Source Project |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package com.google.gerrit.client.ui; |
| |
| import com.google.gwt.user.client.ui.SuggestOracle; |
| |
| /** This class will proxy SuggestOracle requests to another SuggestOracle |
| * while keeping track of the latest request. Any repsonse that belongs |
| * to a request which is not the latest request will be dropped to prevent |
| * invalid deliveries. |
| */ |
| |
| public class RPCSuggestOracle extends SuggestOracle { |
| |
| private SuggestOracle oracle; |
| private SuggestOracle.Request request; |
| private SuggestOracle.Callback callback; |
| private SuggestOracle.Callback myCallback = new SuggestOracle.Callback() { |
| public void onSuggestionsReady(SuggestOracle.Request req, |
| SuggestOracle.Response response) { |
| if (request == req) { |
| callback.onSuggestionsReady(req, response); |
| request = null; |
| callback = null; |
| } |
| } |
| }; |
| |
| |
| public RPCSuggestOracle(SuggestOracle ora) { |
| oracle = ora; |
| } |
| |
| public void requestSuggestions(SuggestOracle.Request req, |
| SuggestOracle.Callback cb) { |
| request = req; |
| callback = cb; |
| oracle.requestSuggestions(req, myCallback); |
| } |
| |
| public boolean isDisplayStringHTML() { |
| return oracle.isDisplayStringHTML(); |
| } |
| } |