| /* |
| * 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.systemui.statusbar.car; |
| |
| import android.content.Context; |
| import android.graphics.drawable.Drawable; |
| import android.util.AttributeSet; |
| import android.widget.ImageView; |
| import android.widget.RelativeLayout; |
| |
| import com.android.keyguard.AlphaOptimizedImageButton; |
| import com.android.systemui.R; |
| |
| /** |
| * A wrapper view for a car navigation facet, which includes a button icon and a drop down icon. |
| */ |
| public class CarNavigationButton extends RelativeLayout { |
| private static final float SELECTED_ALPHA = 1; |
| private static final float UNSELECTED_ALPHA = 0.7f; |
| |
| private AlphaOptimizedImageButton mIcon; |
| private AlphaOptimizedImageButton mMoreIcon; |
| |
| public CarNavigationButton(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| } |
| |
| @Override |
| public void onFinishInflate() { |
| super.onFinishInflate(); |
| mIcon = findViewById(R.id.car_nav_button_icon); |
| mIcon.setScaleType(ImageView.ScaleType.CENTER); |
| mIcon.setClickable(false); |
| mIcon.setBackgroundColor(android.R.color.transparent); |
| mIcon.setAlpha(UNSELECTED_ALPHA); |
| |
| mMoreIcon = findViewById(R.id.car_nav_button_more_icon); |
| mMoreIcon.setClickable(false); |
| mMoreIcon.setBackgroundColor(android.R.color.transparent); |
| mMoreIcon.setVisibility(INVISIBLE); |
| mMoreIcon.setImageDrawable(getContext().getDrawable(R.drawable.car_ic_arrow)); |
| mMoreIcon.setAlpha(UNSELECTED_ALPHA); |
| } |
| |
| public void setResources(Drawable icon) { |
| mIcon.setImageDrawable(icon); |
| } |
| |
| public void setSelected(boolean selected, boolean showMoreIcon) { |
| if (selected) { |
| mMoreIcon.setVisibility(showMoreIcon ? VISIBLE : INVISIBLE); |
| mMoreIcon.setAlpha(SELECTED_ALPHA); |
| mIcon.setAlpha(SELECTED_ALPHA); |
| } else { |
| mMoreIcon.setVisibility(INVISIBLE); |
| mIcon.setAlpha(UNSELECTED_ALPHA); |
| } |
| } |
| } |