/* * Copyright (C) 2010 Google Inc. * * 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.android.inputmethod.latin; import android.util.Log; public class ModifierKeyState { protected static final String TAG = "ModifierKeyState"; protected static final boolean DEBUG = KeyboardSwitcher.DEBUG_STATE; protected static final int RELEASING = 0; protected static final int PRESSING = 1; protected static final int MOMENTARY = 2; protected final String mName; protected int mState = RELEASING; public ModifierKeyState(String name) { mName = name; } public void onPress() { final int oldState = mState; mState = PRESSING; if (DEBUG) Log.d(TAG, mName + ".onPress: " + toString(oldState) + " > " + this); } public void onRelease() { final int oldState = mState; mState = RELEASING; if (DEBUG) Log.d(TAG, mName + ".onRelease: " + toString(oldState) + " > " + this); } public void onOtherKeyPressed() { final int oldState = mState; if (oldState == PRESSING) mState = MOMENTARY; if (DEBUG) Log.d(TAG, mName + ".onOtherKeyPressed: " + toString(oldState) + " > " + this); } public boolean isReleasing() { return mState == RELEASING; } public boolean isMomentary() { return mState == MOMENTARY; } @Override public String toString() { return toString(mState); } protected String toString(int state) { switch (state) { case RELEASING: return "RELEASING"; case PRESSING: return "PRESSING"; case MOMENTARY: return "MOMENTARY"; default: return "UNKNOWN"; } } }