3ab78a19bc
* Initial timeline cache implementation * Fix build/DI errors for caching * Rename timeline entities tables. Add migration. Add DB scheme file. * Fix uniqueness problem, change offline strategy, improve mapping * Try to merge in new statuses, fix bottom loading, fix saving spans. * Fix reblogs IDs, fix inserting elements from top * Send one more request to get latest timeline statuses * Give Timeline placeholders string id. Rewrite Either in Kotlin * Initial placeholder implementation for caching * Fix crash on removing overlap statuses * Migrate counters to long * Remove unused counters. Add minimal TimelineDAOTest * Fix bug with placeholder ID * Update cache in response to events. Refactor TimelineCases * Fix crash, reduce number of placeholders * Fix crash, fix filtering, improve placeholder handling * Fix migration, add 8-9 migration test * Fix initial timeline update, remove more placeholders * Add cleanup for old statuses * Fix cleanup * Delete ExampleInstrumentedTest * Improve timeline UX regarding caching * Fix typos * Fix initial timeline update * Cleanup/fix initial timeline update * Workaround for weird behavior of first post on initial tl update. * Change counter types back to int * Clear timeline cache on logout * Fix loading when timeline is completely empty * Fix androidx migration issues * Fix tests * Apply caching feedback * Save account emojis to cache * Fix warnings and bugs
41 lines
1.4 KiB
Java
41 lines
1.4 KiB
Java
/* Copyright 2017 Andrew Dawson
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*
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* This file is a part of Tusky.
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*
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* This program is free software; you can redistribute it and/or modify it under the terms of the
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* GNU General Public License as published by the Free Software Foundation; either version 3 of the
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* License, or (at your option) any later version.
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*
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* Tusky is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
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* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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* Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with Tusky; if not,
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* see <http://www.gnu.org/licenses>. */
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package com.keylesspalace.tusky.util;
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import androidx.annotation.Nullable;
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import java.util.ArrayList;
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import java.util.Iterator;
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import java.util.LinkedHashSet;
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import java.util.List;
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public class ListUtils {
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/**
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* @return true if list is null or else return list.isEmpty()
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*/
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public static boolean isEmpty(@Nullable List list) {
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return list == null || list.isEmpty();
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}
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/**
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* @return a new ArrayList containing the elements without duplicates in the same order
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*/
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public static <T> ArrayList<T> removeDuplicates(List<T> list) {
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LinkedHashSet<T> set = new LinkedHashSet<>(list);
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return new ArrayList<>(set);
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}
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}
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