1 /*
<lambda>null2 * Copyright (C) 2023 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 @file:JvmName("JavaFlowHelper")
18
19 package com.android.intentresolver.contentpreview
20
21 import com.android.intentresolver.widget.ScrollableImagePreviewView.Preview
22 import java.util.function.Consumer
23 import kotlinx.coroutines.CoroutineScope
24 import kotlinx.coroutines.flow.Flow
25 import kotlinx.coroutines.flow.filter
26 import kotlinx.coroutines.flow.map
27 import kotlinx.coroutines.flow.toList
28 import kotlinx.coroutines.launch
29
30 internal fun mapFileIntoToPreview(
31 flow: Flow<FileInfo>,
32 typeClassifier: MimeTypeClassifier,
33 editAction: Runnable?
34 ): Flow<Preview> =
35 flow
36 .filter { it.previewUri != null }
fileInfonull37 .map { fileInfo ->
38 Preview(
39 ContentPreviewUi.getPreviewType(typeClassifier, fileInfo.mimeType),
40 requireNotNull(fileInfo.previewUri),
41 editAction
42 )
43 }
44
collectToListnull45 internal fun <T> collectToList(
46 clientScope: CoroutineScope,
47 flow: Flow<T>,
48 callback: Consumer<List<T>>
49 ) {
50 clientScope.launch { callback.accept(flow.toList()) }
51 }
52