52 lines
1.8 KiB
Java
52 lines
1.8 KiB
Java
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.documentsui;
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import androidx.recyclerview.selection.DefaultSelectionTracker;
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import androidx.recyclerview.selection.SelectionPredicates;
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import androidx.recyclerview.selection.SelectionTracker.SelectionPredicate;
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import androidx.recyclerview.selection.StorageStrategy;
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import com.android.documentsui.testing.TestStableIdProvider;
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import java.util.Collections;
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import java.util.List;
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public class SelectionHelpers {
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public static final SelectionPredicate<String> CAN_SET_ANYTHING =
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SelectionPredicates.createSelectAnything();
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private SelectionHelpers() {}
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public static DocsSelectionHelper createTestInstance() {
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return createTestInstance(Collections.emptyList());
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}
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public static DocsSelectionHelper createTestInstance(List<String> docs) {
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DocsSelectionHelper manager = new DocsSelectionHelper(
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new DocsSelectionHelper.DelegateFactory());
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manager.reset(new DefaultSelectionTracker<String>(
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Integer.toHexString(System.identityHashCode(docs)),
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new TestStableIdProvider(docs),
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CAN_SET_ANYTHING,
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StorageStrategy.createStringStorage()));
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return manager;
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}
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}
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