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Diffstat (limited to 'src/com/android/launcher3/ExtendedEditText.java')
-rw-r--r-- | src/com/android/launcher3/ExtendedEditText.java | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/src/com/android/launcher3/ExtendedEditText.java b/src/com/android/launcher3/ExtendedEditText.java new file mode 100644 index 000000000..c7b64ec7d --- /dev/null +++ b/src/com/android/launcher3/ExtendedEditText.java @@ -0,0 +1,65 @@ +/* + * Copyright (C) 2015 The Android Open Source Project + * + * 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. + */ +package com.android.launcher3; + +import android.content.Context; +import android.util.AttributeSet; +import android.view.KeyEvent; +import android.widget.EditText; + + +/** + * The edit text that reports back when the back key has been pressed. + */ +public class ExtendedEditText extends EditText { + + /** + * Implemented by listeners of the back key. + */ + public interface OnBackKeyListener { + public boolean onBackKey(); + } + + private OnBackKeyListener mBackKeyListener; + + public ExtendedEditText(Context context) { + super(context); + } + + public ExtendedEditText(Context context, AttributeSet attrs) { + super(context, attrs); + } + + public ExtendedEditText(Context context, AttributeSet attrs, int defStyleAttr) { + super(context, attrs, defStyleAttr); + } + + public void setOnBackKeyListener(OnBackKeyListener listener) { + mBackKeyListener = listener; + } + + @Override + public boolean onKeyPreIme(int keyCode, KeyEvent event) { + // If this is a back key, propagate the key back to the listener + if (keyCode == KeyEvent.KEYCODE_BACK && event.getAction() == KeyEvent.ACTION_UP) { + if (mBackKeyListener != null) { + return mBackKeyListener.onBackKey(); + } + return false; + } + return super.onKeyPreIme(keyCode, event); + } +} |