/*
 * 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 org.pocketworkstation.pckeyboard;

class ModifierKeyState {
    private static final int RELEASING = 0;
    private static final int PRESSING = 1;
    private static final int CHORDING = 2;

    private int mState = RELEASING;

    public void onPress() {
        mState = PRESSING;
    }

    public void onRelease() {
        mState = RELEASING;
    }

    public void onOtherKeyPressed() {
        if (mState == PRESSING)
            mState = CHORDING;
    }

    public boolean isChording() {
        return mState == CHORDING;
    }
    
    public String toString() {
    	return "ModifierKeyState:" + mState;
    }
}
