136 lines
4.2 KiB
Java
136 lines
4.2 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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import com.android.inputmethod.keyboard.KeyboardSwitcher;
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public class KeyboardShiftState {
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private static final String TAG = KeyboardShiftState.class.getSimpleName();
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private static final boolean DEBUG = KeyboardSwitcher.DEBUG_STATE;
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private static final int NORMAL = 0;
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private static final int MANUAL_SHIFTED = 1;
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private static final int MANUAL_SHIFTED_FROM_AUTO = 2;
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private static final int AUTO_SHIFTED = 3;
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private static final int SHIFT_LOCKED = 4;
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private static final int SHIFT_LOCK_SHIFTED = 5;
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private int mState = NORMAL;
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public boolean setShifted(boolean newShiftState) {
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final int oldState = mState;
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if (newShiftState) {
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switch (oldState) {
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case NORMAL:
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mState = MANUAL_SHIFTED;
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break;
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case AUTO_SHIFTED:
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mState = MANUAL_SHIFTED_FROM_AUTO;
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break;
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case SHIFT_LOCKED:
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mState = SHIFT_LOCK_SHIFTED;
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break;
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}
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} else {
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switch (oldState) {
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case MANUAL_SHIFTED:
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case MANUAL_SHIFTED_FROM_AUTO:
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case AUTO_SHIFTED:
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mState = NORMAL;
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break;
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case SHIFT_LOCK_SHIFTED:
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mState = SHIFT_LOCKED;
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break;
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}
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}
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if (DEBUG)
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Log.d(TAG, "setShifted(" + newShiftState + "): " + toString(oldState) + " > " + this);
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return mState != oldState;
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}
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public void setShiftLocked(boolean newShiftLockState) {
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final int oldState = mState;
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if (newShiftLockState) {
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switch (oldState) {
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case NORMAL:
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case MANUAL_SHIFTED:
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case MANUAL_SHIFTED_FROM_AUTO:
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case AUTO_SHIFTED:
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mState = SHIFT_LOCKED;
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break;
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}
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} else {
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switch (oldState) {
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case SHIFT_LOCKED:
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case SHIFT_LOCK_SHIFTED:
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mState = NORMAL;
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break;
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}
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}
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if (DEBUG)
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Log.d(TAG, "setShiftLocked(" + newShiftLockState + "): " + toString(oldState)
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+ " > " + this);
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}
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public void setAutomaticTemporaryUpperCase() {
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final int oldState = mState;
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mState = AUTO_SHIFTED;
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if (DEBUG)
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Log.d(TAG, "setAutomaticTemporaryUpperCase: " + toString(oldState) + " > " + this);
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}
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public boolean isShiftedOrShiftLocked() {
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return mState != NORMAL;
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}
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public boolean isShiftLocked() {
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return mState == SHIFT_LOCKED || mState == SHIFT_LOCK_SHIFTED;
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}
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public boolean isAutomaticTemporaryUpperCase() {
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return mState == AUTO_SHIFTED;
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}
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public boolean isManualTemporaryUpperCase() {
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return mState == MANUAL_SHIFTED || mState == MANUAL_SHIFTED_FROM_AUTO
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|| mState == SHIFT_LOCK_SHIFTED;
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}
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public boolean isManualTemporaryUpperCaseFromAuto() {
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return mState == MANUAL_SHIFTED_FROM_AUTO;
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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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private static String toString(int state) {
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switch (state) {
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case NORMAL: return "NORMAL";
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case MANUAL_SHIFTED: return "MANUAL_SHIFTED";
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case MANUAL_SHIFTED_FROM_AUTO: return "MANUAL_SHIFTED_FROM_AUTO";
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case AUTO_SHIFTED: return "AUTO_SHIFTED";
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case SHIFT_LOCKED: return "SHIFT_LOCKED";
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case SHIFT_LOCK_SHIFTED: return "SHIFT_LOCK_SHIFTED";
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default: return "UKNOWN";
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}
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}
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}
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