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212 lines
6.7 KiB
Kotlin
212 lines
6.7 KiB
Kotlin
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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package org.mozilla.fenix.compose
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import androidx.compose.foundation.clickable
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import androidx.compose.foundation.layout.Arrangement
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import androidx.compose.foundation.layout.Column
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import androidx.compose.foundation.layout.Row
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import androidx.compose.foundation.layout.Spacer
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import androidx.compose.foundation.layout.fillMaxSize
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import androidx.compose.foundation.layout.padding
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import androidx.compose.foundation.layout.size
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import androidx.compose.foundation.layout.width
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import androidx.compose.foundation.shape.RoundedCornerShape
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import androidx.compose.material.Card
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import androidx.compose.material.Text
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import androidx.compose.runtime.Composable
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import androidx.compose.ui.Modifier
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import androidx.compose.ui.draw.clip
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import androidx.compose.ui.graphics.Color
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import androidx.compose.ui.text.style.TextOverflow
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import androidx.compose.ui.unit.dp
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import androidx.compose.ui.unit.sp
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import org.mozilla.fenix.compose.annotation.LightDarkPreview
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import org.mozilla.fenix.theme.FirefoxTheme
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/**
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* Default layout of a large tab shown in a list taking String arguments for title and caption.
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* Has the following structure:
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* ```
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* ---------------------------------------------
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* | -------------- Title |
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* | | Image | wrapped on |
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* | | from | three rows if needed |
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* | | imageUrl | |
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* | -------------- Optional caption |
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* ---------------------------------------------
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* ```
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*
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* @param imageUrl URL from where the to download a header image of the tab this composable renders.
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* @param title Title off the tab this composable renders.
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* @param caption Optional caption text.
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* @param backgroundColor Background [Color] of the item.
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* @param onClick Optional callback to be invoked when this composable is clicked.
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*/
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@Composable
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fun ListItemTabLarge(
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imageUrl: String,
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title: String,
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caption: String? = null,
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backgroundColor: Color = FirefoxTheme.colors.layer2,
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onClick: (() -> Unit)? = null,
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) {
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ListItemTabSurface(
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imageUrl = imageUrl,
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backgroundColor = backgroundColor,
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onClick = onClick,
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) {
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Text(
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text = title,
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color = FirefoxTheme.colors.textPrimary,
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fontSize = 14.sp,
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overflow = TextOverflow.Ellipsis,
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maxLines = 3,
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)
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if (caption != null) {
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Text(
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text = caption,
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color = FirefoxTheme.colors.textSecondary,
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fontSize = 12.sp,
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overflow = TextOverflow.Ellipsis,
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maxLines = 1,
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)
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}
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}
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}
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/**
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* Default layout of a large tab shown in a list taking composable arguments for title and caption
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* allowing as an exception to customize these elements.
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* Has the following structure:
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* ```
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* ---------------------------------------------
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* | -------------- -------------------------- |
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* | | | | Title | |
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* | | Image | | composable | |
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* | | from | -------------------------- |
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* | | imageUrl | -------------------------- |
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* | | | | Optional composable | |
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* | -------------- -------------------------- |
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* ---------------------------------------------
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* ```
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*
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* @param imageUrl URL from where the to download a header image of the tab this composable renders.
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* @param backgroundColor Background [Color] of the item.
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* @param onClick Optional callback to be invoked when this composable is clicked.
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* @param title Composable rendering the title of the tab this composable represents.
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* @param subtitle Optional tab caption composable.
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*/
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@Composable
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fun ListItemTabLarge(
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imageUrl: String,
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backgroundColor: Color = FirefoxTheme.colors.layer2,
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onClick: () -> Unit,
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title: @Composable () -> Unit,
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subtitle: @Composable (() -> Unit)? = null,
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) {
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ListItemTabSurface(
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imageUrl = imageUrl,
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backgroundColor = backgroundColor,
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onClick = onClick,
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) {
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title()
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subtitle?.invoke()
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}
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}
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/**
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* Shared default configuration of a ListItemTabLarge Composable.
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*
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* @param imageUrl URL from where the to download a header image of the tab this composable renders.
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* @param backgroundColor Background [Color] of the item.
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* @param onClick Optional callback to be invoked when this composable is clicked.
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* @param tabDetails [Composable] Displayed to the the end of the image. Allows for variation in the item text style.
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*/
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@Composable
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fun ListItemTabSurface(
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imageUrl: String,
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backgroundColor: Color = FirefoxTheme.colors.layer2,
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onClick: (() -> Unit)? = null,
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tabDetails: @Composable () -> Unit,
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) {
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var modifier = Modifier.size(328.dp, 116.dp)
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if (onClick != null) modifier = modifier.then(Modifier.clickable { onClick() })
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Card(
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modifier = modifier,
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shape = RoundedCornerShape(8.dp),
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backgroundColor = backgroundColor,
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elevation = 6.dp,
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) {
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Row(
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modifier = Modifier.padding(16.dp),
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) {
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val (imageWidth, imageHeight) = 116.dp to 84.dp
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val imageModifier = Modifier
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.size(imageWidth, imageHeight)
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.clip(RoundedCornerShape(8.dp))
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Image(imageUrl, imageModifier, false, imageWidth)
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Spacer(Modifier.width(16.dp))
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Column(
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modifier = Modifier.fillMaxSize(),
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verticalArrangement = Arrangement.SpaceBetween,
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) {
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tabDetails()
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}
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}
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}
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}
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@Composable
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@LightDarkPreview
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private fun ListItemTabLargePreview() {
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FirefoxTheme {
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ListItemTabLarge(
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imageUrl = "",
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title = "This is a very long title for a tab but needs to be so for this preview",
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caption = "And this is a caption",
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) { }
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}
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}
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@Composable
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@LightDarkPreview
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private fun ListItemTabSurfacePreview() {
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FirefoxTheme {
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ListItemTabSurface(
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imageUrl = "",
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) {
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Text(
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text = "This can be anything",
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color = FirefoxTheme.colors.textPrimary,
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fontSize = 22.sp,
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)
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}
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}
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}
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@Composable
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@LightDarkPreview
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private fun ListItemTabSurfaceWithCustomBackgroundPreview() {
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FirefoxTheme {
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ListItemTabSurface(
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imageUrl = "",
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backgroundColor = Color.Cyan,
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) {
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Text(
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text = "This can be anything",
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color = FirefoxTheme.colors.textPrimary,
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fontSize = 22.sp,
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)
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}
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}
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}
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