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/*
* Copyright (C) 2021 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.car.qc.view;
import android.content.Context;
import android.content.res.ColorStateList;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.Icon;
import android.graphics.drawable.LayerDrawable;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import com.android.car.qc.R;
/**
* Utility class used by {@link QCTileView} and {@link QCRowView}
*/
public class QCViewUtils {
/**
* Create a return a Quick Control toggle icon - used for tiles and action toggles.
*/
public static Drawable getToggleIcon(@NonNull Context context, @Nullable Icon icon,
boolean available) {
Drawable defaultToggleBackground = context.getDrawable(R.drawable.qc_toggle_background);
Drawable unavailableToggleBackground = context.getDrawable(
R.drawable.qc_toggle_unavailable_background);
int toggleForegroundIconInset = context.getResources()
.getDimensionPixelSize(R.dimen.qc_toggle_foreground_icon_inset);
Drawable background = available
? defaultToggleBackground.getConstantState().newDrawable().mutate()
: unavailableToggleBackground.getConstantState().newDrawable().mutate();
if (icon == null) {
return background;
}
Drawable iconDrawable = icon.loadDrawable(context);
if (iconDrawable == null) {
return background;
}
if (!available) {
int unavailableToggleIconTint = context.getColor(R.color.qc_toggle_unavailable_color);
iconDrawable.setTint(unavailableToggleIconTint);
} else {
ColorStateList defaultToggleIconTint = context.getColorStateList(
R.color.qc_toggle_icon_fill_color);
iconDrawable.setTintList(defaultToggleIconTint);
}
Drawable[] layers = {background, iconDrawable};
LayerDrawable drawable = new LayerDrawable(layers);
drawable.setLayerInsetRelative(/* index= */ 1, toggleForegroundIconInset,
toggleForegroundIconInset, toggleForegroundIconInset,
toggleForegroundIconInset);
return drawable;
}
}
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