1 /* 2 * Copyright (C) 2010 Google Inc. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not 5 * use this file except in compliance with the License. You may obtain a copy of 6 * the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 13 * License for the specific language governing permissions and limitations under 14 * the License. 15 */ 16 17 package com.android.inputmethod.latin; 18 19 class ModifierKeyState { 20 private static final int RELEASING = 0; 21 private static final int PRESSING = 1; 22 private static final int MOMENTARY = 2; 23 24 private int mState = RELEASING; 25 26 public void onPress() { 27 mState = PRESSING; 28 } 29 30 public void onRelease() { 31 mState = RELEASING; 32 } 33 34 public void onOtherKeyPressed() { 35 if (mState == PRESSING) 36 mState = MOMENTARY; 37 } 38 39 public boolean isMomentary() { 40 return mState == MOMENTARY; 41 } 42 } 43