content: /*
   * 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 resources resources object to fetch user icon / color.
       * @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(Resources resources, 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.getDrawable(R.drawable.ic_account_circle, null).mutate();
          icon.setColorFilter(resources.getColor(colorResId, null), Mode.SRC_IN);
          icon.setBounds(0, 0, icon.getIntrinsicWidth(), icon.getIntrinsicHeight());
          return icon;
      }
  }
  