19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2007 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage android.widget; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Handler; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Provides callbacks indicating the steps in two digit pressing within a 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * timeout. 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Package private: only relevant in helping {@link TimeSpinnerHelper}. 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectclass DoubleDigitManager { 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final long timeoutInMillis; 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final CallBack mCallBack; 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Integer intermediateDigit; 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param timeoutInMillis How long after the first digit is pressed does 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the user have to press the second digit? 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param callBack The callback to indicate what's going on with the user. 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public DoubleDigitManager(long timeoutInMillis, CallBack callBack) { 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.timeoutInMillis = timeoutInMillis; 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCallBack = callBack; 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Report to this manager that a digit was pressed. 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param digit 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void reportDigit(int digit) { 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (intermediateDigit == null) { 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project intermediateDigit = digit; 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project new Handler().postDelayed(new Runnable() { 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void run() { 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (intermediateDigit != null) { 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCallBack.singleDigitFinal(intermediateDigit); 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project intermediateDigit = null; 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }, timeoutInMillis); 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mCallBack.singleDigitIntermediate(digit)) { 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // this wasn't a good candidate for the intermediate digit, 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // make it the final digit (since there is no opportunity to 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // reject the final digit). 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project intermediateDigit = null; 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCallBack.singleDigitFinal(digit); 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (mCallBack.twoDigitsFinal(intermediateDigit, digit)) { 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project intermediateDigit = null; 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The callback to indicate what is going on with the digits pressed. 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static interface CallBack { 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * A digit was pressed, and there are no intermediate digits. 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param digit The digit pressed. 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return Whether the digit was accepted; how the user of this manager 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * tells us that the intermediate digit is acceptable as an 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * intermediate digit. 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean singleDigitIntermediate(int digit); 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * A single digit was pressed, and it is 'the final answer'. 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * - a single digit pressed, and the timeout expires. 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * - a single digit pressed, and {@link #singleDigitIntermediate} 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * returned false. 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param digit The digit. 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void singleDigitFinal(int digit); 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The user pressed digit1, then digit2 within the timeout. 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param digit1 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param digit2 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean twoDigitsFinal(int digit1, int digit2); 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 106