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 com.android.contacts.quickcontact; 18 19 import android.content.Context; 20 import android.util.AttributeSet; 21 import android.widget.Checkable; 22 import android.widget.ImageView; 23 24 /** 25 * A special variation of ImageView that can be used as a checkable object. 26 * This is used as the background view of quickcontact chiclet, which is in checked state 27 * when disambig list is shown. Otherwise, it works identically to a ImageView. 28 */ 29 public class CheckableImageView extends ImageView implements Checkable { 30 private boolean mChecked; 31 32 private static final int[] CHECKED_STATE_SET = { 33 android.R.attr.state_checked 34 }; 35 36 public CheckableImageView(Context context, AttributeSet attrs) { 37 super(context, attrs); 38 } 39 40 @Override 41 public int[] onCreateDrawableState(int extraSpace) { 42 final int[] drawableState = super.onCreateDrawableState(extraSpace + 1); 43 if (isChecked()) { 44 mergeDrawableStates(drawableState, CHECKED_STATE_SET); 45 } 46 return drawableState; 47 } 48 49 public void toggle() { 50 setChecked(!mChecked); 51 } 52 53 public boolean isChecked() { 54 return mChecked; 55 } 56 57 public void setChecked(boolean checked) { 58 if (mChecked != checked) { 59 mChecked = checked; 60 refreshDrawableState(); 61 } 62 } 63 } 64
