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/*
 * Copyright 2013 serso aka se.solovyev
 *
 * 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.
 *
 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 * Contact details
 *
 * Email: [email protected]
 * Site:  http://se.solovyev.org
 */

package org.solovyev.android.keyboard;

import javax.annotation.Nonnull;

/**
 * User: serso
 * Date: 11/1/12
 * Time: 9:32 PM
 */
public class AKeyboardControllerStateImpl implements AKeyboardControllerState {

	private boolean shifted;

	private boolean capsLock;

	private boolean completion;

	private boolean prediction;

	@Nonnull
	private K keyboard;

	private AKeyboardControllerStateImpl() {
	}

	@Nonnull
	public static  AKeyboardControllerState newDefaultState(@Nonnull K keyboard) {
		final AKeyboardControllerStateImpl result = new AKeyboardControllerStateImpl();

		result.shifted = false;
		result.capsLock = false;
		result.completion = false;
		result.prediction = false;
		result.keyboard = keyboard;

		return result;
	}

	@Nonnull
	public static  AKeyboardControllerState newInstance(boolean prediction, boolean completion, @Nonnull K keyboard) {
		final AKeyboardControllerStateImpl result = new AKeyboardControllerStateImpl();

		result.shifted = false;
		result.capsLock = false;
		result.completion = completion;
		result.prediction = prediction;
		result.keyboard = keyboard;

		return result;
	}

	@Override
	public boolean isShifted() {
		return shifted;
	}

	@Override
	public boolean isCapsLock() {
		return capsLock;
	}

	@Override
	public boolean isCompletion() {
		return completion;
	}

	@Override
	public boolean isPrediction() {
		return prediction;
	}

	@Override
	@Nonnull
	public K getKeyboard() {
		return keyboard;
	}

	@Nonnull
	@Override
	public AKeyboardControllerState copyForNewKeyboard(@Nonnull K keyboard) {
		final AKeyboardControllerStateImpl result = copy();
		result.keyboard = keyboard;
		return result;
	}

	private AKeyboardControllerStateImpl copy() {
		final AKeyboardControllerStateImpl result = new AKeyboardControllerStateImpl();
		result.capsLock = this.capsLock;
		result.prediction = this.prediction;
		result.shifted = this.shifted;
		result.completion = this.completion;
		result.keyboard = this.keyboard;
		return result;
	}

	@Nonnull
	@Override
	public AKeyboardControllerState copyForNewCapsLock(boolean capsLock) {
		final AKeyboardControllerStateImpl result = copy();
		result.capsLock = capsLock;
		return result;
	}

	@Nonnull
	@Override
	public AKeyboardControllerState copyForNewShift(boolean shifted) {
		final AKeyboardControllerStateImpl result = copy();
		result.shifted = shifted;
		return result;
	}
}