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      1 /*
      2  * Copyright (c) 2016, 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.car.radio;
     17 
     18 import android.content.Context;
     19 import android.support.annotation.ColorInt;
     20 import android.support.car.ui.FabDrawable;
     21 import android.util.AttributeSet;
     22 import android.widget.ImageView;
     23 
     24 /**
     25  * A default FAB button for the radio that will color itself based on the accent color defined
     26  * in the application.
     27  */
     28 public class RadioFabButton extends ImageView {
     29     private final FabDrawable mFabDrawable;
     30     @ColorInt private final int mEnabledColor;
     31     @ColorInt private final int mDisabledColor;
     32 
     33     public RadioFabButton(Context context) {
     34         super(context);
     35     }
     36 
     37     public RadioFabButton(Context context, AttributeSet attrs) {
     38         super(context, attrs);
     39     }
     40 
     41     public RadioFabButton(Context context, AttributeSet attrs, int defStyleAttrs) {
     42         super(context, attrs, defStyleAttrs);
     43     }
     44 
     45     public RadioFabButton(Context context, AttributeSet attrs, int defStyleAttrs,
     46             int defStyleRes) {
     47         super(context, attrs, defStyleAttrs, defStyleRes);
     48     }
     49 
     50     {
     51         Context context = getContext();
     52 
     53         mFabDrawable = new FabDrawable(context);
     54         setBackground(mFabDrawable);
     55 
     56         mEnabledColor = context.getColor(R.color.car_radio_accent_color);
     57         mDisabledColor = context.getColor(R.color.car_radio_control_fab_button_disabled);
     58 
     59         mFabDrawable.setFabAndStrokeColor(mEnabledColor);
     60     }
     61 
     62     @Override
     63     public void setEnabled(boolean enabled) {
     64         super.setEnabled(enabled);
     65         mFabDrawable.setFabAndStrokeColor(enabled ? mEnabledColor : mDisabledColor);
     66     }
     67 }
     68