83 lines
2.3 KiB
Java
83 lines
2.3 KiB
Java
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not
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* use this file except in compliance with the License. You may obtain a copy of
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* the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations under
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* the License.
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*/
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package com.android.inputmethod.keyboard.internal;
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import android.util.Log;
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/* package */ class ModifierKeyState {
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protected static final String TAG = ModifierKeyState.class.getSimpleName();
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protected static final boolean DEBUG = false;
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protected static final int RELEASING = 0;
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protected static final int PRESSING = 1;
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protected static final int CHORDING = 2;
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protected final String mName;
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protected int mState = RELEASING;
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public ModifierKeyState(String name) {
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mName = name;
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}
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public void onPress() {
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final int oldState = mState;
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mState = PRESSING;
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if (DEBUG)
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Log.d(TAG, mName + ".onPress: " + toString(oldState) + " > " + this);
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}
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public void onRelease() {
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final int oldState = mState;
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mState = RELEASING;
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if (DEBUG)
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Log.d(TAG, mName + ".onRelease: " + toString(oldState) + " > " + this);
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}
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public void onOtherKeyPressed() {
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final int oldState = mState;
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if (oldState == PRESSING)
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mState = CHORDING;
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if (DEBUG)
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Log.d(TAG, mName + ".onOtherKeyPressed: " + toString(oldState) + " > " + this);
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}
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public boolean isPressing() {
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return mState == PRESSING;
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}
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public boolean isReleasing() {
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return mState == RELEASING;
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}
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public boolean isChording() {
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return mState == CHORDING;
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}
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@Override
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public String toString() {
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return toString(mState);
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}
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protected String toString(int state) {
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switch (state) {
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case RELEASING: return "RELEASING";
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case PRESSING: return "PRESSING";
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case CHORDING: return "CHORDING";
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default: return "UNKNOWN";
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}
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}
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}
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