1 /* 2 * Copyright (C) 2021 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package com.android.launcher3.widget.picker; 17 18 /** 19 * Different possible list position states for an item in the widgets list to have. Note that only 20 * headers use the expanded state. 21 */ 22 enum WidgetsListDrawableState { 23 FIRST(new int[]{android.R.attr.state_first}), 24 FIRST_EXPANDED(new int[]{android.R.attr.state_first, android.R.attr.state_expanded}), 25 MIDDLE(new int[]{android.R.attr.state_middle}), 26 MIDDLE_EXPANDED(new int[]{android.R.attr.state_middle, android.R.attr.state_expanded}), 27 LAST(new int[]{android.R.attr.state_last}), 28 SINGLE(new int[]{android.R.attr.state_single}); 29 30 final int[] mStateSet; 31 WidgetsListDrawableState(int[] stateSet)32 WidgetsListDrawableState(int[] stateSet) { 33 mStateSet = stateSet; 34 } 35 obtain(boolean isFirst, boolean isLast, boolean isExpanded)36 static WidgetsListDrawableState obtain(boolean isFirst, boolean isLast, boolean isExpanded) { 37 if (isFirst && isLast) return SINGLE; 38 if (isFirst && isExpanded) return FIRST_EXPANDED; 39 if (isFirst) return FIRST; 40 if (isLast) return LAST; 41 if (isExpanded) return MIDDLE_EXPANDED; 42 return MIDDLE; 43 } 44 } 45