| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.weex.bridge; |
| |
| import android.util.SparseArray; |
| |
| /** |
| * Manage async callbacks which waiting for the result of executing javascript |
| */ |
| /* default */ class ResultCallbackManager { |
| // Unique id for callback after executing js |
| private static long sCallbackId = 0; |
| // Map for save callbacks, key is id |
| private static SparseArray<ResultCallback> mResultCallbacks = new SparseArray<>(); |
| |
| // Generate unique id |
| static long generateCallbackId(ResultCallback callback) { |
| if (sCallbackId >= Integer.MAX_VALUE) { |
| sCallbackId = 0; |
| } |
| int id = (int) sCallbackId++; |
| mResultCallbacks.put(id, callback); |
| return id; |
| } |
| |
| // Remove id from callback map |
| static ResultCallback removeCallbackById(long id) { |
| ResultCallback callback = mResultCallbacks.get((int) id); |
| mResultCallbacks.remove((int) id); |
| return callback; |
| } |
| } |