Shared.java revision 55c00e7356d9f76e7378cf7c701b9a41cb7be6da
1fefcd700d6b4cf1c4402af74c50fb0e762472901Steve McKay/* 2fefcd700d6b4cf1c4402af74c50fb0e762472901Steve McKay * Copyright (C) 2015 The Android Open Source Project 3fefcd700d6b4cf1c4402af74c50fb0e762472901Steve McKay * 4fefcd700d6b4cf1c4402af74c50fb0e762472901Steve McKay * Licensed under the Apache License, Version 2.0 (the "License"); 5fefcd700d6b4cf1c4402af74c50fb0e762472901Steve McKay * you may not use this file except in compliance with the License. 6fefcd700d6b4cf1c4402af74c50fb0e762472901Steve McKay * You may obtain a copy of the License at 7fefcd700d6b4cf1c4402af74c50fb0e762472901Steve McKay * 8fefcd700d6b4cf1c4402af74c50fb0e762472901Steve McKay * http://www.apache.org/licenses/LICENSE-2.0 9fefcd700d6b4cf1c4402af74c50fb0e762472901Steve McKay * 10fefcd700d6b4cf1c4402af74c50fb0e762472901Steve McKay * Unless required by applicable law or agreed to in writing, software 11fefcd700d6b4cf1c4402af74c50fb0e762472901Steve McKay * distributed under the License is distributed on an "AS IS" BASIS, 12fefcd700d6b4cf1c4402af74c50fb0e762472901Steve McKay * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13fefcd700d6b4cf1c4402af74c50fb0e762472901Steve McKay * See the License for the specific language governing permissions and 14fefcd700d6b4cf1c4402af74c50fb0e762472901Steve McKay * limitations under the License. 15fefcd700d6b4cf1c4402af74c50fb0e762472901Steve McKay */ 16fefcd700d6b4cf1c4402af74c50fb0e762472901Steve McKay 17fefcd700d6b4cf1c4402af74c50fb0e762472901Steve McKaypackage com.android.documentsui; 18fefcd700d6b4cf1c4402af74c50fb0e762472901Steve McKay 19919231857d2add3afe51f06aaf41663a252c3e0eBen Kwaimport android.content.Context; 2055c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKayimport android.text.TextUtils; 218e3fd7676023738c04d099f2940a635ff0699717Ben Kwaimport android.text.format.DateUtils; 228e3fd7676023738c04d099f2940a635ff0699717Ben Kwaimport android.text.format.Time; 23919231857d2add3afe51f06aaf41663a252c3e0eBen Kwa 2455c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKayimport java.text.Collator; 25c83baa0574ee9e34c0e06bda1ff08928d880ee36Steve McKayimport java.util.ArrayList; 26c83baa0574ee9e34c0e06bda1ff08928d880ee36Steve McKayimport java.util.List; 27c83baa0574ee9e34c0e06bda1ff08928d880ee36Steve McKay 284d0255f79cc92a5675d14b20f9cdf06ecb8d7109Steve McKay/** @hide */ 29fefcd700d6b4cf1c4402af74c50fb0e762472901Steve McKaypublic final class Shared { 3055c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay 31ae96780a8909476dca709b88dbae5ec9a2f0632cBen Kwa /** Intent action name to pick a copy destination. */ 32ae96780a8909476dca709b88dbae5ec9a2f0632cBen Kwa public static final String ACTION_PICK_COPY_DESTINATION = 33ae96780a8909476dca709b88dbae5ec9a2f0632cBen Kwa "com.android.documentsui.PICK_COPY_DESTINATION"; 34ae96780a8909476dca709b88dbae5ec9a2f0632cBen Kwa 35ae96780a8909476dca709b88dbae5ec9a2f0632cBen Kwa /** 36ae96780a8909476dca709b88dbae5ec9a2f0632cBen Kwa * Extra boolean flag for {@link ACTION_PICK_COPY_DESTINATION}, which 37ae96780a8909476dca709b88dbae5ec9a2f0632cBen Kwa * specifies if the destination directory needs to create new directory or not. 38ae96780a8909476dca709b88dbae5ec9a2f0632cBen Kwa */ 39ae96780a8909476dca709b88dbae5ec9a2f0632cBen Kwa public static final String EXTRA_DIRECTORY_COPY = "com.android.documentsui.DIRECTORY_COPY"; 40ae96780a8909476dca709b88dbae5ec9a2f0632cBen Kwa 41459bc2b19ae24e3ad09b2945f21c8397177d5720Steve McKay public static final boolean DEBUG = true; 42fefcd700d6b4cf1c4402af74c50fb0e762472901Steve McKay public static final String TAG = "Documents"; 434d0255f79cc92a5675d14b20f9cdf06ecb8d7109Steve McKay public static final String EXTRA_STACK = "com.android.documentsui.STACK"; 44919231857d2add3afe51f06aaf41663a252c3e0eBen Kwa 4555c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay 4655c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay /** 4755c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay * String prefix used to indicate the document is a directory. 4855c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay */ 4955c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay public static final char DIR_PREFIX = '\001'; 5055c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay 5155c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay private static final Collator sCollator; 5255c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay 5355c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay static { 5455c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay sCollator = Collator.getInstance(); 5555c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay sCollator.setStrength(Collator.SECONDARY); 5655c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay } 5755c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay 58919231857d2add3afe51f06aaf41663a252c3e0eBen Kwa /** 59919231857d2add3afe51f06aaf41663a252c3e0eBen Kwa * Generates a formatted quantity string. 60919231857d2add3afe51f06aaf41663a252c3e0eBen Kwa */ 61919231857d2add3afe51f06aaf41663a252c3e0eBen Kwa public static final String getQuantityString(Context context, int resourceId, int quantity) { 62919231857d2add3afe51f06aaf41663a252c3e0eBen Kwa return context.getResources().getQuantityString(resourceId, quantity, quantity); 63919231857d2add3afe51f06aaf41663a252c3e0eBen Kwa } 648e3fd7676023738c04d099f2940a635ff0699717Ben Kwa 658e3fd7676023738c04d099f2940a635ff0699717Ben Kwa public static String formatTime(Context context, long when) { 668e3fd7676023738c04d099f2940a635ff0699717Ben Kwa // TODO: DateUtils should make this easier 678e3fd7676023738c04d099f2940a635ff0699717Ben Kwa Time then = new Time(); 688e3fd7676023738c04d099f2940a635ff0699717Ben Kwa then.set(when); 698e3fd7676023738c04d099f2940a635ff0699717Ben Kwa Time now = new Time(); 708e3fd7676023738c04d099f2940a635ff0699717Ben Kwa now.setToNow(); 718e3fd7676023738c04d099f2940a635ff0699717Ben Kwa 728e3fd7676023738c04d099f2940a635ff0699717Ben Kwa int flags = DateUtils.FORMAT_NO_NOON | DateUtils.FORMAT_NO_MIDNIGHT 738e3fd7676023738c04d099f2940a635ff0699717Ben Kwa | DateUtils.FORMAT_ABBREV_ALL; 748e3fd7676023738c04d099f2940a635ff0699717Ben Kwa 758e3fd7676023738c04d099f2940a635ff0699717Ben Kwa if (then.year != now.year) { 768e3fd7676023738c04d099f2940a635ff0699717Ben Kwa flags |= DateUtils.FORMAT_SHOW_YEAR | DateUtils.FORMAT_SHOW_DATE; 778e3fd7676023738c04d099f2940a635ff0699717Ben Kwa } else if (then.yearDay != now.yearDay) { 788e3fd7676023738c04d099f2940a635ff0699717Ben Kwa flags |= DateUtils.FORMAT_SHOW_DATE; 798e3fd7676023738c04d099f2940a635ff0699717Ben Kwa } else { 808e3fd7676023738c04d099f2940a635ff0699717Ben Kwa flags |= DateUtils.FORMAT_SHOW_TIME; 818e3fd7676023738c04d099f2940a635ff0699717Ben Kwa } 828e3fd7676023738c04d099f2940a635ff0699717Ben Kwa 838e3fd7676023738c04d099f2940a635ff0699717Ben Kwa return DateUtils.formatDateTime(context, when, flags); 848e3fd7676023738c04d099f2940a635ff0699717Ben Kwa } 858e3fd7676023738c04d099f2940a635ff0699717Ben Kwa 86c83baa0574ee9e34c0e06bda1ff08928d880ee36Steve McKay /** 87c83baa0574ee9e34c0e06bda1ff08928d880ee36Steve McKay * A convenient way to transform any list into a (parcelable) ArrayList. 88c83baa0574ee9e34c0e06bda1ff08928d880ee36Steve McKay * Uses cast if possible, else creates a new list with entries from {@code list}. 89c83baa0574ee9e34c0e06bda1ff08928d880ee36Steve McKay */ 90c83baa0574ee9e34c0e06bda1ff08928d880ee36Steve McKay public static <T> ArrayList<T> asArrayList(List<T> list) { 91c83baa0574ee9e34c0e06bda1ff08928d880ee36Steve McKay return list instanceof ArrayList 92c83baa0574ee9e34c0e06bda1ff08928d880ee36Steve McKay ? (ArrayList<T>) list 93c83baa0574ee9e34c0e06bda1ff08928d880ee36Steve McKay : new ArrayList<T>(list); 94c83baa0574ee9e34c0e06bda1ff08928d880ee36Steve McKay } 9555c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay 9655c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay /** 9755c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay * Compare two strings against each other using system default collator in a 9855c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay * case-insensitive mode. Clusters strings prefixed with {@link DIR_PREFIX} 9955c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay * before other items. 10055c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay */ 10155c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay public static int compareToIgnoreCaseNullable(String lhs, String rhs) { 10255c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay final boolean leftEmpty = TextUtils.isEmpty(lhs); 10355c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay final boolean rightEmpty = TextUtils.isEmpty(rhs); 10455c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay 10555c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay if (leftEmpty && rightEmpty) return 0; 10655c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay if (leftEmpty) return -1; 10755c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay if (rightEmpty) return 1; 10855c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay 10955c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay final boolean leftDir = (lhs.charAt(0) == DIR_PREFIX); 11055c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay final boolean rightDir = (rhs.charAt(0) == DIR_PREFIX); 11155c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay 11255c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay if (leftDir && !rightDir) return -1; 11355c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay if (rightDir && !leftDir) return 1; 11455c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay 11555c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay return sCollator.compare(lhs, rhs); 11655c00e7356d9f76e7378cf7c701b9a41cb7be6daSteve McKay } 117fefcd700d6b4cf1c4402af74c50fb0e762472901Steve McKay} 118