89 lines
2.5 KiB
Java
89 lines
2.5 KiB
Java
/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of 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,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.widget;
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import android.content.Context;
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import android.util.AttributeSet;
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import android.view.KeyEvent;
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import android.view.MotionEvent;
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import android.widget.ImageButton;
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import android.widget.NumberPicker;
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import com.android.internal.R;
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/**
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* This class exists purely to cancel long click events, that got
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* started in NumberPicker
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*/
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class NumberPickerButton extends ImageButton {
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private NumberPicker mNumberPicker;
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public NumberPickerButton(Context context, AttributeSet attrs,
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int defStyle) {
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super(context, attrs, defStyle);
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}
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public NumberPickerButton(Context context, AttributeSet attrs) {
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super(context, attrs);
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}
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public NumberPickerButton(Context context) {
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super(context);
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}
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public void setNumberPicker(NumberPicker picker) {
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mNumberPicker = picker;
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}
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@Override
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public boolean onTouchEvent(MotionEvent event) {
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cancelLongpressIfRequired(event);
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return super.onTouchEvent(event);
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}
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@Override
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public boolean onTrackballEvent(MotionEvent event) {
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cancelLongpressIfRequired(event);
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return super.onTrackballEvent(event);
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}
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@Override
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public boolean onKeyUp(int keyCode, KeyEvent event) {
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if ((keyCode == KeyEvent.KEYCODE_DPAD_CENTER)
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|| (keyCode == KeyEvent.KEYCODE_ENTER)) {
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cancelLongpress();
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}
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return super.onKeyUp(keyCode, event);
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}
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private void cancelLongpressIfRequired(MotionEvent event) {
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if ((event.getAction() == MotionEvent.ACTION_CANCEL)
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|| (event.getAction() == MotionEvent.ACTION_UP)) {
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cancelLongpress();
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}
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}
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private void cancelLongpress() {
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if (R.id.increment == getId()) {
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mNumberPicker.cancelIncrement();
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} else if (R.id.decrement == getId()) {
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mNumberPicker.cancelDecrement();
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}
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}
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}
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