| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * 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.keyboard.internal; |
| |
| import android.util.Log; |
| |
| /* package */ class ModifierKeyState { |
| protected static final String TAG = ModifierKeyState.class.getSimpleName(); |
| protected static final boolean DEBUG = false; |
| |
| protected static final int RELEASING = 0; |
| protected static final int PRESSING = 1; |
| protected static final int CHORDING = 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 = CHORDING; |
| if (DEBUG) |
| Log.d(TAG, mName + ".onOtherKeyPressed: " + toString(oldState) + " > " + this); |
| } |
| |
| public boolean isPressing() { |
| return mState == PRESSING; |
| } |
| |
| public boolean isReleasing() { |
| return mState == RELEASING; |
| } |
| |
| public boolean isChording() { |
| return mState == CHORDING; |
| } |
| |
| @Override |
| public String toString() { |
| return toString(mState); |
| } |
| |
| protected String toString(int state) { |
| switch (state) { |
| case RELEASING: return "RELEASING"; |
| case PRESSING: return "PRESSING"; |
| case CHORDING: return "CHORDING"; |
| default: return "UNKNOWN"; |
| } |
| } |
| } |