Add an experimental redesign of the wordpress-rs posts list

WordPress/src/main/java/org/wordpress/android/ui/postsrs/PostRsListActivity.kt

@@ -18,15 +18,20 @@ import org.wordpress.android.ui.blaze.BlazeFlowSource
 import org.wordpress.android.ui.compose.theme.AppThemeM3
 import org.wordpress.android.ui.main.BaseAppCompatActivity
 import org.wordpress.android.ui.postsrs.screens.PostRsListScreen
+import org.wordpress.android.ui.prefs.experimentalfeatures.ExperimentalFeatures
 import org.wordpress.android.ui.reader.ReaderActivityLauncher
 import org.wordpress.android.ui.reader.ReaderPostPagerActivity.DirectOperation
 import org.wordpress.android.ui.stats.StatsConstants
 import org.wordpress.android.ui.stats.refresh.lists.detail.StatsDetailActivity
 import org.wordpress.android.util.ToastUtils
 import org.wordpress.android.util.extensions.setContent
+import javax.inject.Inject
 
 @AndroidEntryPoint
 class PostRsListActivity : BaseAppCompatActivity() {
+    @Inject
+    lateinit var experimentalFeatures: ExperimentalFeatures
+
     private val viewModel: PostRsListViewModel by viewModels()
 
     private val settingsLauncher = registerForActivityResult(
@@ -43,13 +48,18 @@ class PostRsListActivity : BaseAppCompatActivity() {
 
         observeEvents()
 
+        val isRedesignEnabled = experimentalFeatures.isEnabled(
+            ExperimentalFeatures.Feature.CONTENT_LIST_REDESIGN
+        )
+
         setContent {
             val tabStates by viewModel.tabStates.collectAsState()
             val isSearchActive by viewModel.isSearchActive.collectAsState()
             val isOpeningPost by viewModel.isOpeningPost.collectAsState()
             val searchQuery by viewModel.searchQuery.collectAsState()
             val authorFilter by viewModel.authorFilter.collectAsState()
             val confirmation by viewModel.pendingConfirmation.collectAsState()
+            val density by viewModel.density.collectAsState()
             AppThemeM3 {
                 PostRsListScreen(
                     tabStates = tabStates,
@@ -77,7 +87,11 @@ class PostRsListActivity : BaseAppCompatActivity() {
                     onNavigateBack = { onBackPressedDispatcher.onBackPressed() },
                     onPostClick = viewModel::openPost,
                     onPostMenuAction = viewModel::onPostMenuAction,
-                    onCreatePost = viewModel::createNewPost
+                    onCreatePost = viewModel::createNewPost,
+                    onRowsVisible = viewModel::onRowsVisible,
+                    onDensityToggled = viewModel::onDensityToggled,
+                    density = density,
+                    isRedesignEnabled = isRedesignEnabled
                 )
             }
         }

WordPress/src/main/java/org/wordpress/android/ui/postsrs/PostRsListUiState.kt

@@ -4,6 +4,7 @@ import androidx.annotation.DrawableRes
 import androidx.annotation.StringRes
 import org.wordpress.android.R
 import org.wordpress.android.ui.rs.RsDateFormatter
+import org.wordpress.android.ui.rs.contentlist.ContentListRowUiState
 import org.wordpress.android.util.DateTimeUtils
 import org.wordpress.android.util.HtmlUtils
 import uniffi.wp_api.AnyPostWithEditContext
@@ -59,6 +60,14 @@ data class PostRsUiModel(
     val title: String,
     val excerpt: String,
     val date: String,
+    /** Raw publish date, used to bucket rows into the redesigned list's date groups. */
+    val dateGmtMillis: Long = 0L,
+    /** All-time views, or null when stats are unavailable or not fetched yet. */
+    val viewCount: Long? = null,
+    /** All-time comment count, or null when stats are unavailable or not fetched yet. */
+    val commentCount: Long? = null,
+    /** True while this row's metrics are expected but have not arrived, so it shows a skeleton. */
+    val areMetricsPending: Boolean = false,
     val lastModified: String = "",
     val link: String = "",
     val hasPassword: Boolean = false,
@@ -69,6 +78,8 @@ data class PostRsUiModel(
     val authorDisplayName: String? = null,
     val featuredImageId: Long = 0L,
     val featuredImageUrl: String? = null,
+    /** True when the media lookup answered without a URL, so the row should stop waiting for one. */
+    val isFeaturedImageUnresolvable: Boolean = false,
     val actions: List<PostRsMenuAction> = emptyList(),
     val badges: List<Int> = emptyList(),
     val displayState: PostDisplayState =
@@ -169,6 +180,7 @@ private fun FullEntityAnyPostWithEditContext.toUiModel(
                 ?: ""
             ).let { HtmlUtils.fastStripHtml(it).trim() },
         date = RsDateFormatter.format(post.dateGmt, nowLabel, isScheduled = post.status is PostStatus.Future),
+        dateGmtMillis = post.dateGmt.time,
         lastModified = DateTimeUtils.iso8601UTCFromDate(
             post.modifiedGmt
         ),
@@ -199,6 +211,28 @@ private fun FullEntityAnyPostWithEditContext.toUiModel(
     )
 }
 
+/**
+ * Projects a post onto the shared row model the redesigned list renders. Keeping the projection
+ * here means the row component itself stays free of anything post-specific, so the pages screen
+ * can supply its own equivalent.
+ */
+fun PostRsUiModel.toContentListRowUiState() = ContentListRowUiState(
+    id = remotePostId,
+    title = title,
+    excerpt = excerpt,
+    dateLabel = date,
+    imageUrl = featuredImageUrl,
+    isImagePending = featuredImageId != 0L &&
+        featuredImageUrl == null &&
+        !isFeaturedImageUnresolvable,
+    viewCount = viewCount,
+    commentCount = commentCount,
+    areMetricsPending = areMetricsPending,
+    badges = badges,
+    isSyncing = displayState == PostDisplayState.FETCHING_WITH_DATA,
+    hasSyncFailed = displayState == PostDisplayState.FAILED_WITH_DATA
+)
+
 @StringRes
 internal fun PostStatus?.toLabel(): Int = when (this) {
     is PostStatus.Publish ->