| /* |
| * Copyright (C) 2020 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.internal.widget; |
| |
| import android.annotation.ColorInt; |
| import android.app.Notification; |
| import android.content.Context; |
| import android.content.res.Configuration; |
| import android.graphics.PorterDuff; |
| import android.graphics.drawable.Drawable; |
| |
| import com.android.internal.util.ContrastColorUtil; |
| |
| /** Helpers for colored icons */ |
| final class ColoredIconHelper { |
| |
| @ColorInt |
| static final int COLOR_INVALID = Notification.COLOR_INVALID; |
| |
| private ColoredIconHelper() { |
| } |
| |
| /** |
| * Apply a gray tint or the original color to a drawable, accounting for the night mode in |
| * selecting the gray. |
| */ |
| static void applyGrayTint(Context ctx, Drawable drawable, boolean apply, int originalColor) { |
| if (originalColor == COLOR_INVALID) { |
| return; |
| } |
| if (apply) { |
| // lets gray it out |
| Configuration config = ctx.getResources().getConfiguration(); |
| boolean inNightMode = (config.uiMode & Configuration.UI_MODE_NIGHT_MASK) |
| == Configuration.UI_MODE_NIGHT_YES; |
| int grey = ContrastColorUtil.resolveColor(ctx, Notification.COLOR_DEFAULT, inNightMode); |
| drawable.mutate().setColorFilter(grey, PorterDuff.Mode.SRC_ATOP); |
| } else { |
| // lets reset it |
| drawable.mutate().setColorFilter(originalColor, PorterDuff.Mode.SRC_ATOP); |
| } |
| } |
| } |