113 lines
4.0 KiB
Java
113 lines
4.0 KiB
Java
/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.internal.util;
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import android.annotation.ColorInt;
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import android.content.res.Resources;
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import android.graphics.Bitmap;
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import android.graphics.Canvas;
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import android.graphics.PorterDuff.Mode;
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import android.graphics.drawable.Drawable;
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import android.os.UserHandle;
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import com.android.internal.R;
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/**
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* Helper class that generates default user icons.
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*/
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public class UserIcons {
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private static final int[] USER_ICON_COLORS = {
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R.color.user_icon_1,
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R.color.user_icon_2,
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R.color.user_icon_3,
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R.color.user_icon_4,
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R.color.user_icon_5,
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R.color.user_icon_6,
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R.color.user_icon_7,
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R.color.user_icon_8
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};
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/**
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* Converts a given drawable to a bitmap.
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*/
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public static Bitmap convertToBitmap(Drawable icon) {
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return convertToBitmapAtSize(icon, icon.getIntrinsicWidth(), icon.getIntrinsicHeight());
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}
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/**
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* Converts a given drawable to a bitmap, with width and height equal to the default icon size.
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*/
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public static Bitmap convertToBitmapAtUserIconSize(Resources res, Drawable icon) {
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int size = res.getDimensionPixelSize(R.dimen.user_icon_size);
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return convertToBitmapAtSize(icon, size, size);
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}
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private static Bitmap convertToBitmapAtSize(Drawable icon, int width, int height) {
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if (icon == null) {
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return null;
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}
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Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
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Canvas canvas = new Canvas(bitmap);
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icon.setBounds(0, 0, width, height);
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icon.draw(canvas);
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return bitmap;
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}
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/**
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* Returns a default user icon for the given user.
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*
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* Note that for guest users, you should pass in {@code UserHandle.USER_NULL}.
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*
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* @param resources resources object to fetch user icon / color.
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* @param userId the user id or {@code UserHandle.USER_NULL} for a non-user specific icon
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* @param light whether we want a light icon (suitable for a dark background)
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*/
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public static Drawable getDefaultUserIcon(Resources resources, int userId, boolean light) {
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int colorResId = light ? R.color.user_icon_default_white : R.color.user_icon_default_gray;
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if (userId != UserHandle.USER_NULL) {
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// Return colored icon instead
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colorResId = USER_ICON_COLORS[userId % USER_ICON_COLORS.length];
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}
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return getDefaultUserIconInColor(resources, resources.getColor(colorResId, null));
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}
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/**
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* Returns a default user icon in a particular color.
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*
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* @param resources resources object to fetch the user icon
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* @param color the color used for the icon
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*/
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public static Drawable getDefaultUserIconInColor(Resources resources, @ColorInt int color) {
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Drawable icon = resources.getDrawable(R.drawable.ic_account_circle, null).mutate();
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icon.setColorFilter(color, Mode.SRC_IN);
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icon.setBounds(0, 0, icon.getIntrinsicWidth(), icon.getIntrinsicHeight());
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return icon;
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}
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/**
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* Returns an array containing colors to be used for default user icons.
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*/
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public static int[] getUserIconColors(Resources resources) {
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int[] result = new int[USER_ICON_COLORS.length];
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for (int i = 0; i < result.length; i++) {
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result[i] = resources.getColor(USER_ICON_COLORS[i], null);
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}
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return result;
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}
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}
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