| /* |
| * Copyright (C) 2014 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.util; |
| |
| import android.content.res.Resources; |
| import android.graphics.Bitmap; |
| import android.graphics.Canvas; |
| import android.graphics.PorterDuff.Mode; |
| import android.graphics.drawable.Drawable; |
| import android.os.UserHandle; |
| |
| import com.android.internal.R; |
| |
| /** |
| * Helper class that generates default user icons. |
| */ |
| public class UserIcons { |
| |
| private static final int[] USER_ICON_COLORS = { |
| R.color.user_icon_1, |
| R.color.user_icon_2, |
| R.color.user_icon_3, |
| R.color.user_icon_4, |
| R.color.user_icon_5, |
| R.color.user_icon_6, |
| R.color.user_icon_7, |
| R.color.user_icon_8 |
| }; |
| |
| /** |
| * Converts a given drawable to a bitmap. |
| */ |
| public static Bitmap convertToBitmap(Drawable icon) { |
| if (icon == null) { |
| return null; |
| } |
| final int width = icon.getIntrinsicWidth(); |
| final int height = icon.getIntrinsicHeight(); |
| Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); |
| Canvas canvas = new Canvas(bitmap); |
| icon.setBounds(0, 0, width, height); |
| icon.draw(canvas); |
| return bitmap; |
| } |
| |
| /** |
| * Returns a default user icon for the given user. |
| * |
| * Note that for guest users, you should pass in {@code UserHandle.USER_NULL}. |
| * @param userId the user id or {@code UserHandle.USER_NULL} for a non-user specific icon |
| * @param light whether we want a light icon (suitable for a dark background) |
| */ |
| public static Drawable getDefaultUserIcon(int userId, boolean light) { |
| int colorResId = light ? R.color.user_icon_default_white : R.color.user_icon_default_gray; |
| if (userId != UserHandle.USER_NULL) { |
| // Return colored icon instead |
| colorResId = USER_ICON_COLORS[userId % USER_ICON_COLORS.length]; |
| } |
| Drawable icon = Resources.getSystem().getDrawable(R.drawable.ic_account_circle, null).mutate(); |
| icon.setColorFilter(Resources.getSystem().getColor(colorResId, null), Mode.SRC_IN); |
| icon.setBounds(0, 0, icon.getIntrinsicWidth(), icon.getIntrinsicHeight()); |
| return icon; |
| } |
| } |