1 /* 2 * Copyright (C) 2017 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 androidx.paging 18 19 class StringPagedList constructor(leadingNulls: Int, trailingNulls: Int, vararg items: String) 20 : PagedList<String>(PagedStorage<String>(), TestExecutor(), TestExecutor(), null, 21 PagedList.Config.Builder().setPageSize(1).build()), PagedStorage.Callback { 22 init { 23 @Suppress("UNCHECKED_CAST") 24 val keyedStorage = mStorage as PagedStorage<String> 25 keyedStorage.init(leadingNulls, 26 items.toList(), 27 trailingNulls, 28 0, 29 this) 30 } 31 32 internal override fun isContiguous(): Boolean { 33 return true 34 } 35 36 override fun getLastKey(): Any? { 37 return null 38 } 39 40 override fun dispatchUpdatesSinceSnapshot(storageSnapshot: PagedList<String>, 41 callback: PagedList.Callback) { 42 } 43 44 override fun loadAroundInternal(index: Int) {} 45 46 override fun onInitialized(count: Int) {} 47 48 override fun onPagePrepended(leadingNulls: Int, changed: Int, added: Int) {} 49 50 override fun onPageAppended(endPosition: Int, changed: Int, added: Int) {} 51 52 override fun onPagePlaceholderInserted(pageIndex: Int) {} 53 54 override fun onPageInserted(start: Int, count: Int) {} 55 56 override fun getDataSource(): DataSource<*, String> { 57 throw UnsupportedOperationException() 58 } 59 } 60
