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Merge pull request #21121 from wordpress-mobile/issue/21105-feedback-…
…image-pager Feedback form: attachment pager
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173
WordPress/src/main/java/org/wordpress/android/ui/compose/components/MediaUriPager.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,173 @@ | ||
| package org.wordpress.android.ui.compose.components | ||
|
|
||
| import android.content.res.Configuration | ||
| import android.net.Uri | ||
| import androidx.compose.foundation.ExperimentalFoundationApi | ||
| import androidx.compose.foundation.Image | ||
| import androidx.compose.foundation.background | ||
| import androidx.compose.foundation.border | ||
| import androidx.compose.foundation.layout.Box | ||
| import androidx.compose.foundation.layout.BoxScope | ||
| import androidx.compose.foundation.layout.absoluteOffset | ||
| import androidx.compose.foundation.layout.height | ||
| import androidx.compose.foundation.layout.size | ||
| import androidx.compose.foundation.pager.HorizontalPager | ||
| import androidx.compose.foundation.pager.PageSize | ||
| import androidx.compose.foundation.pager.rememberPagerState | ||
| import androidx.compose.foundation.shape.RoundedCornerShape | ||
| import androidx.compose.material.icons.Icons | ||
| import androidx.compose.material.icons.filled.Close | ||
| import androidx.compose.material3.Icon | ||
| import androidx.compose.material3.IconButton | ||
| import androidx.compose.material3.MaterialTheme | ||
| import androidx.compose.runtime.Composable | ||
| import androidx.compose.ui.Alignment | ||
| import androidx.compose.ui.Modifier | ||
| import androidx.compose.ui.graphics.vector.ImageVector | ||
| import androidx.compose.ui.layout.ContentScale | ||
| import androidx.compose.ui.platform.LocalContext | ||
| import androidx.compose.ui.res.stringResource | ||
| import androidx.compose.ui.res.vectorResource | ||
| import androidx.compose.ui.tooling.preview.Preview | ||
| import androidx.compose.ui.unit.dp | ||
| import coil.ImageLoader | ||
| import coil.compose.AsyncImage | ||
| import coil.decode.VideoFrameDecoder | ||
| import coil.request.ImageRequest | ||
| import org.wordpress.android.R | ||
|
|
||
| /** | ||
| * A simple pager to show a carousel from a list of local media URIs. This was designed | ||
| * to show feedback form attachments but should be suitable for other use cases. | ||
| */ | ||
| @OptIn(ExperimentalFoundationApi::class) | ||
| @Composable | ||
| fun MediaUriPager( | ||
| mediaUris: List<Uri>, | ||
| modifier: Modifier = Modifier, | ||
| showButton: Boolean = true, | ||
| onButtonClick: (Uri) -> Unit = {}, | ||
| ) { | ||
| if (mediaUris.isEmpty()) { | ||
| return | ||
| } | ||
| val pagerState = rememberPagerState( | ||
| pageCount = { mediaUris.size } | ||
| ) | ||
| HorizontalPager( | ||
| state = pagerState, | ||
| pageSpacing = 12.dp, | ||
| pageSize = PageSize.Fixed(IMAGE_SIZE.dp), | ||
| modifier = Modifier.then(modifier) | ||
| ) { index -> | ||
| val uri = mediaUris[index] | ||
| Box( | ||
| modifier = Modifier.height(IMAGE_SIZE.dp), | ||
| ) { | ||
| MediaUriImage(uri) | ||
| if (showButton) { | ||
| ImageButton( | ||
| uri = uri, | ||
| itemNumber = index + 1, | ||
| onButtonClick = onButtonClick | ||
| ) | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| @Composable | ||
| private fun MediaUriImage(uri: Uri) { | ||
| val context = LocalContext.current | ||
| val mimeType = context.contentResolver.getType(uri) | ||
| if (mimeType?.startsWith("video/") == true) { | ||
| val imageLoader = ImageLoader.Builder(LocalContext.current) | ||
| .components { | ||
| add(VideoFrameDecoder.Factory()) | ||
| } | ||
| .build() | ||
| Box { | ||
| AsyncImage( | ||
| model = ImageRequest.Builder(context) | ||
| .data(uri) | ||
| .crossfade(true) | ||
| .build(), | ||
| imageLoader = imageLoader, | ||
| contentScale = ContentScale.Crop, | ||
| contentDescription = null, | ||
| modifier = Modifier | ||
| .border(1.dp, MaterialTheme.colorScheme.onBackground.copy(alpha = 0.25f)) | ||
| .size(IMAGE_SIZE.dp) | ||
| ) | ||
| Image( | ||
| imageVector = ImageVector.vectorResource(id = org.wordpress.android.editor.R.drawable.ic_overlay_video), | ||
| contentDescription = null, | ||
| modifier = Modifier | ||
| .align(Alignment.Center) | ||
| .size(36.dp) | ||
| ) | ||
| } | ||
| } else { | ||
| AsyncImage( | ||
| model = ImageRequest.Builder(context) | ||
| .data(uri) | ||
| .crossfade(true) | ||
| .placeholder(R.color.placeholder) | ||
| .error(org.wordpress.android.editor.R.drawable.ic_image_failed_grey_a_40_48dp) | ||
| .build(), | ||
| contentScale = ContentScale.Crop, | ||
| contentDescription = null, | ||
| modifier = Modifier | ||
| .border(1.dp, MaterialTheme.colorScheme.onBackground.copy(alpha = 0.25f)) | ||
| .size(IMAGE_SIZE.dp) | ||
| ) | ||
| } | ||
| } | ||
|
|
||
| @Composable | ||
| private fun BoxScope.ImageButton( | ||
| uri: Uri, | ||
| itemNumber: Int, | ||
| onButtonClick: (Uri) -> Unit = {}, | ||
| ) { | ||
| IconButton( | ||
| onClick = { onButtonClick(uri) }, | ||
| modifier = Modifier | ||
| .absoluteOffset(x = (-2).dp, y = (-2).dp) | ||
| .background( | ||
| color = MaterialTheme.colorScheme.surface.copy(alpha = 0.7f), | ||
| shape = RoundedCornerShape(2.dp) | ||
| ) | ||
| .size(24.dp) | ||
| .align(Alignment.BottomEnd), | ||
| ) { | ||
| Icon( | ||
| imageVector = Icons.Filled.Close, | ||
| tint = MaterialTheme.colorScheme.onSurface, | ||
| contentDescription = stringResource( | ||
| R.string.media_pager_remove_item_content_description, | ||
| itemNumber | ||
| ) | ||
| ) | ||
| } | ||
| } | ||
|
|
||
| @Preview( | ||
| name = "Light Mode", | ||
| showBackground = true | ||
| ) | ||
| @Preview( | ||
| name = "Dark Mode", | ||
| showBackground = true, | ||
| uiMode = Configuration.UI_MODE_NIGHT_YES, | ||
| ) | ||
| @Composable | ||
| private fun MediaPagerPreview() { | ||
| val attachment1 = Uri.parse("/tmp/attachment.jpg") | ||
| val attachment2 = Uri.parse("/tmp/attachment.mp4") | ||
| MediaUriPager( | ||
| mediaUris = listOf(attachment1, attachment2) | ||
| ) | ||
| } | ||
|
|
||
| private const val IMAGE_SIZE = 128 |
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