Winson Chung | de34aa4 | 2015-05-07 18:21:28 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2015 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 | package com.android.launcher3; |
| 17 | |
| 18 | import android.content.Context; |
| 19 | import android.util.AttributeSet; |
| 20 | import android.view.KeyEvent; |
| 21 | import android.widget.EditText; |
| 22 | |
| 23 | |
| 24 | /** |
| 25 | * The edit text for the search container |
| 26 | */ |
| 27 | public class AppsContainerSearchEditTextView extends EditText { |
| 28 | |
| 29 | /** |
| 30 | * Implemented by listeners of the back key. |
| 31 | */ |
| 32 | public interface OnBackKeyListener { |
| 33 | public void onBackKey(); |
| 34 | } |
| 35 | |
| 36 | private OnBackKeyListener mBackKeyListener; |
| 37 | |
| 38 | public AppsContainerSearchEditTextView(Context context) { |
| 39 | this(context, null); |
| 40 | } |
| 41 | |
| 42 | public AppsContainerSearchEditTextView(Context context, AttributeSet attrs) { |
| 43 | this(context, attrs, 0); |
| 44 | } |
| 45 | |
| 46 | public AppsContainerSearchEditTextView(Context context, AttributeSet attrs, int defStyleAttr) { |
| 47 | super(context, attrs, defStyleAttr); |
| 48 | } |
| 49 | |
| 50 | public void setOnBackKeyListener(OnBackKeyListener listener) { |
| 51 | mBackKeyListener = listener; |
| 52 | } |
| 53 | |
| 54 | @Override |
| 55 | public boolean onKeyPreIme(int keyCode, KeyEvent event) { |
| 56 | // If this is a back key, propagate the key back to the listener |
| 57 | if (keyCode == KeyEvent.KEYCODE_BACK && event.getAction() == KeyEvent.ACTION_UP) { |
| 58 | if (mBackKeyListener != null) { |
| 59 | mBackKeyListener.onBackKey(); |
| 60 | } |
| 61 | return false; |
| 62 | } |
| 63 | return super.onKeyPreIme(keyCode, event); |
| 64 | } |
| 65 | } |