Change-Id: Iaab014904460988296ea93cc2088c8da93ed17f1pull/2/head
Adetunji Dahunsi
3 years ago
committed by
Don Turner
parent
635abb4dc2
commit
4d72950f94
@ -0,0 +1,67 @@
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/*
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* Copyright 2022 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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* https://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.google.samples.apps.nowinandroid.core.ui
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import android.content.Intent
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import android.net.Uri
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import androidx.compose.foundation.lazy.LazyListScope
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import androidx.compose.foundation.lazy.items
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import androidx.compose.ui.Modifier
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import androidx.compose.ui.platform.LocalContext
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import androidx.core.content.ContextCompat
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import com.google.samples.apps.nowinandroid.core.model.data.NewsResource
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/**
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* Extension function for displaying a [List] of [NewsResourceCardExpanded] backed by a generic
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* [List] [T].
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*
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* [newsResourceMapper] maps type [T] to a [NewsResource]
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* [isBookmarkedMapper] maps type [T] to whether the [NewsResource] is bookmarked
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* [onToggleBookmark] defines the action invoked when a user wishes to bookmark an item
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* [onItemClick] optional parameter for action to be performed when the card is clicked. The
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* default action launches an intent matching the card.
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*/
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fun <T> LazyListScope.newsResourceCardItems(
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items: List<T>,
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newsResourceMapper: (item: T) -> NewsResource,
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isBookmarkedMapper: (item: T) -> Boolean,
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onToggleBookmark: (item: T) -> Unit,
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onItemClick: ((item: T) -> Unit)? = null,
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itemModifier: Modifier = Modifier,
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) = items(
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items = items,
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key = { newsResourceMapper(it).id },
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itemContent = { item ->
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val newsResource = newsResourceMapper(item)
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val launchResourceIntent =
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Intent(Intent.ACTION_VIEW, Uri.parse(newsResource.url))
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val context = LocalContext.current
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NewsResourceCardExpanded(
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newsResource = newsResource,
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isBookmarked = isBookmarkedMapper(item),
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onToggleBookmark = { onToggleBookmark(item) },
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onClick = {
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when (onItemClick) {
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null -> ContextCompat.startActivity(context, launchResourceIntent, null)
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else -> onItemClick(item)
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}
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},
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modifier = itemModifier
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)
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},
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)
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