James Kung | 4afba18 | 2012-12-18 23:12:08 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2013 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 | |
| 17 | package com.android.calendar.event; |
| 18 | |
James Kung | e134cd5 | 2013-02-13 11:33:49 -0800 | [diff] [blame] | 19 | import java.io.Serializable; |
James Kung | 4afba18 | 2012-12-18 23:12:08 -0800 | [diff] [blame] | 20 | import java.util.ArrayList; |
| 21 | import java.util.Arrays; |
| 22 | import java.util.Comparator; |
| 23 | import java.util.HashMap; |
| 24 | import java.util.Map; |
| 25 | |
| 26 | /** |
| 27 | * A cache for event colors and event color keys stored based upon calendar account name and type. |
| 28 | */ |
James Kung | e134cd5 | 2013-02-13 11:33:49 -0800 | [diff] [blame] | 29 | public class EventColorCache implements Serializable { |
| 30 | |
| 31 | private static final long serialVersionUID = 2L; |
James Kung | 4afba18 | 2012-12-18 23:12:08 -0800 | [diff] [blame] | 32 | |
| 33 | private static final String SEPARATOR = "::"; |
| 34 | |
| 35 | private Map<String, ArrayList<Integer>> mColorPaletteMap; |
| 36 | private Map<String, Integer> mColorKeyMap; |
| 37 | |
| 38 | public EventColorCache() { |
| 39 | mColorPaletteMap = new HashMap<String, ArrayList<Integer>>(); |
| 40 | mColorKeyMap = new HashMap<String, Integer>(); |
| 41 | } |
| 42 | |
| 43 | /** |
| 44 | * Inserts a color into the cache. |
| 45 | */ |
| 46 | public void insertColor(String accountName, String accountType, int displayColor, |
| 47 | int colorKey) { |
| 48 | mColorKeyMap.put(createKey(accountName, accountType, displayColor), colorKey); |
| 49 | String key = createKey(accountName, accountType); |
| 50 | ArrayList<Integer> colorPalette; |
| 51 | if ((colorPalette = mColorPaletteMap.get(key)) == null) { |
| 52 | colorPalette = new ArrayList<Integer>(); |
| 53 | } |
| 54 | colorPalette.add(displayColor); |
| 55 | mColorPaletteMap.put(key, colorPalette); |
| 56 | } |
| 57 | |
| 58 | /** |
| 59 | * Retrieve an array of colors for a specific account name and type. |
| 60 | */ |
| 61 | public int[] getColorArray(String accountName, String accountType) { |
| 62 | ArrayList<Integer> colors = mColorPaletteMap.get(createKey(accountName, accountType)); |
| 63 | if (colors == null) { |
| 64 | return null; |
| 65 | } |
| 66 | int[] ret = new int[colors.size()]; |
| 67 | for (int i = 0; i < ret.length; i++) { |
| 68 | ret[i] = colors.get(i); |
| 69 | } |
| 70 | return ret; |
| 71 | } |
| 72 | |
| 73 | /** |
| 74 | * Retrieve an event color's unique key based on account name, type, and color. |
| 75 | */ |
| 76 | public int getColorKey(String accountName, String accountType, int displayColor) { |
| 77 | return mColorKeyMap.get(createKey(accountName, accountType, displayColor)); |
| 78 | } |
| 79 | |
| 80 | /** |
| 81 | * Sorts the arrays of colors based on a comparator. |
| 82 | */ |
| 83 | public void sortPalettes(Comparator<Integer> comparator) { |
| 84 | for (String key : mColorPaletteMap.keySet()) { |
| 85 | ArrayList<Integer> palette = mColorPaletteMap.get(key); |
| 86 | Integer[] sortedColors = new Integer[palette.size()]; |
| 87 | Arrays.sort(palette.toArray(sortedColors), comparator); |
| 88 | palette.clear(); |
| 89 | for (Integer color : sortedColors) { |
| 90 | palette.add(color); |
| 91 | } |
| 92 | mColorPaletteMap.put(key, palette); |
| 93 | } |
| 94 | } |
| 95 | |
| 96 | private String createKey(String accountName, String accountType) { |
| 97 | return new StringBuilder().append(accountName) |
| 98 | .append(SEPARATOR) |
| 99 | .append(accountType) |
| 100 | .toString(); |
| 101 | } |
| 102 | |
| 103 | private String createKey(String accountName, String accountType, int displayColor) { |
| 104 | return new StringBuilder(createKey(accountName, accountType)) |
| 105 | .append(SEPARATOR) |
| 106 | .append(displayColor) |
| 107 | .toString(); |
| 108 | } |
| 109 | } |