content: /*
   * Copyright (C) 2016 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.launcher3.widget;
  
  import android.os.Process;
  import android.os.UserHandle;
  
  import com.android.launcher3.model.WidgetItem;
  
  import java.text.Collator;
  import java.util.Comparator;
  
  /**
   * Comparator for sorting WidgetItem based on their user, title and size.
   */
  public class WidgetItemComparator implements Comparator<WidgetItem> {
  
      private final UserHandle mMyUserHandle = Process.myUserHandle();
      private final Collator mCollator = Collator.getInstance();
  
      @Override
      public int compare(WidgetItem a, WidgetItem b) {
          // Independent of how the labels compare, if only one of the two widget info belongs to
          // work profile, put that one in the back.
          boolean thisWorkProfile = !mMyUserHandle.equals(a.user);
          boolean otherWorkProfile = !mMyUserHandle.equals(b.user);
          if (thisWorkProfile ^ otherWorkProfile) {
              return thisWorkProfile ? 1 : -1;
          }
  
          int labelCompare = mCollator.compare(a.label, b.label);
          if (labelCompare != 0) {
              return labelCompare;
          }
  
          // If the label is same, put the smaller widget before the larger widget. If the area is
          // also same, put the widget with smaller height before.
          int thisArea = a.spanX * a.spanY;
          int otherArea = b.spanX * b.spanY;
          return thisArea == otherArea
                  ? Integer.compare(a.spanY, b.spanY)
                  : Integer.compare(thisArea, otherArea);
      }
  }
  