/*
* Copyright 2014 Google Inc. All rights reserved.
*
* 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.google.samples.apps.iosched.ui.widget;
import android.content.Context;
import android.support.design.widget.FloatingActionButton;
import android.util.AttributeSet;
import android.widget.Checkable;
/**
* An extension of {@link FloatingActionButton} which implements {@link Checkable}.
*/
public class CheckableFloatingActionButton extends FloatingActionButton implements Checkable {
private boolean mChecked;
private static final int[] CHECKED_STATE_SET = { android.R.attr.state_checked };
public CheckableFloatingActionButton(Context context) {
super(context);
}
public CheckableFloatingActionButton(Context context, AttributeSet attrs) {
super(context, attrs);
}
public CheckableFloatingActionButton(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
}
@Override
public boolean isChecked() {
return mChecked;
}
@Override
public void setChecked(boolean checked) {
mChecked = checked;
refreshDrawableState();
}
@Override
public void toggle() {
setChecked(!mChecked);
}
@Override
public int[] onCreateDrawableState(int extraSpace) {
int[] drawableState = super.onCreateDrawableState(extraSpace + 1);
if (isChecked()) {
mergeDrawableStates(drawableState, CHECKED_STATE_SET);
}
return drawableState;
}
}