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