1 /* 2 * Copyright (C) 2013 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 com.android.settings.accessibility; 18 19 import android.content.Context; 20 import android.widget.Switch; 21 22 public class ToggleSwitch extends Switch { 23 private ToggleSwitch.OnBeforeCheckedChangeListener mOnBeforeListener; 24 25 public static interface OnBeforeCheckedChangeListener { 26 public boolean onBeforeCheckedChanged(ToggleSwitch toggleSwitch, boolean checked); 27 } 28 29 public ToggleSwitch(Context context) { 30 super(context); 31 } 32 33 public void setOnBeforeCheckedChangeListener(OnBeforeCheckedChangeListener listener) { 34 mOnBeforeListener = listener; 35 } 36 37 @Override 38 public void setChecked(boolean checked) { 39 if (mOnBeforeListener != null 40 && mOnBeforeListener.onBeforeCheckedChanged(this, checked)) { 41 return; 42 } 43 super.setChecked(checked); 44 } 45 46 public void setCheckedInternal(boolean checked) { 47 super.setChecked(checked); 48 } 49 } 50
