| 1 | /* |
| 2 | * Copyright (C) 2008 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package net.mandaria.tippytipper.widgets; |
| 18 | |
| 19 | import net.mandaria.tippytipper.R; |
| 20 | import android.content.Context; |
| 21 | import android.util.AttributeSet; |
| 22 | import android.view.KeyEvent; |
| 23 | import android.view.MotionEvent; |
| 24 | import android.widget.ImageButton; |
| 25 | |
| 26 | /** |
| 27 | * This class exists purely to cancel long click events. |
| 28 | */ |
| 29 | public class NumberPickerButton extends ImageButton { |
| 30 | |
| 31 | private NumberPicker mNumberPicker; |
| 32 | |
| 33 | public NumberPickerButton(Context context, AttributeSet attrs, |
| 34 | int defStyle) { |
| 35 | super(context, attrs, defStyle); |
| 36 | } |
| 37 | |
| 38 | public NumberPickerButton(Context context, AttributeSet attrs) { |
| 39 | super(context, attrs); |
| 40 | } |
| 41 | |
| 42 | public NumberPickerButton(Context context) { |
| 43 | super(context); |
| 44 | } |
| 45 | |
| 46 | public void setNumberPicker(NumberPicker picker) { |
| 47 | mNumberPicker = picker; |
| 48 | } |
| 49 | |
| 50 | @Override |
| 51 | public boolean onTouchEvent(MotionEvent event) { |
| 52 | cancelLongpressIfRequired(event); |
| 53 | return super.onTouchEvent(event); |
| 54 | } |
| 55 | |
| 56 | @Override |
| 57 | public boolean onTrackballEvent(MotionEvent event) { |
| 58 | cancelLongpressIfRequired(event); |
| 59 | return super.onTrackballEvent(event); |
| 60 | } |
| 61 | |
| 62 | @Override |
| 63 | public boolean onKeyUp(int keyCode, KeyEvent event) { |
| 64 | if ((keyCode == KeyEvent.KEYCODE_DPAD_CENTER) |
| 65 | || (keyCode == KeyEvent.KEYCODE_ENTER)) { |
| 66 | cancelLongpress(); |
| 67 | } |
| 68 | return super.onKeyUp(keyCode, event); |
| 69 | } |
| 70 | |
| 71 | private void cancelLongpressIfRequired(MotionEvent event) { |
| 72 | if ((event.getAction() == MotionEvent.ACTION_CANCEL) |
| 73 | || (event.getAction() == MotionEvent.ACTION_UP)) { |
| 74 | cancelLongpress(); |
| 75 | } |
| 76 | } |
| 77 | |
| 78 | private void cancelLongpress() { |
| 79 | if (R.id.increment == getId()) { |
| 80 | mNumberPicker.cancelIncrement(); |
| 81 | } else if (R.id.decrement == getId()) { |
| 82 | mNumberPicker.cancelDecrement(); |
| 83 | } |
| 84 | } |
| 85 | } |