Merge pull request #2422 from element-hq/feature/fga/room_list_filters

[Feature] Room list filters

libraries/designsystem/src/main/kotlin/io/element/android/libraries/designsystem/modifiers/FadingEdge.kt

@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2024 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.libraries.designsystem.modifiers
+
+import androidx.compose.animation.animateColorAsState
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.drawWithContent
+import androidx.compose.ui.graphics.BlendMode
+import androidx.compose.ui.graphics.Brush
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.CompositingStrategy
+import androidx.compose.ui.graphics.graphicsLayer
+
+@Composable
+fun horizontalFadingEdgesBrush(
+    showLeft: Boolean,
+    showRight: Boolean,
+    percent: Float = 0.1f,
+): Brush {
+    val leftColor by animateColorAsState(
+        targetValue = if (showLeft) Color.Transparent else Color.White,
+        label = "AnimateLeftColor",
+    )
+    val rightColor by animateColorAsState(
+        targetValue = if (showRight) Color.Transparent else Color.White,
+        label = "AnimateRightColor",
+    )
+    return Brush.horizontalGradient(
+        0f to leftColor,
+        percent to Color.White,
+        1f - percent to Color.White,
+        1f to rightColor
+    )
+}
+
+fun Modifier.fadingEdge(brush: Brush) = this
+    .graphicsLayer(compositingStrategy = CompositingStrategy.Offscreen)
+    .drawWithContent {
+        drawContent()
+        drawRect(brush = brush, blendMode = BlendMode.DstIn)
+    }

libraries/featureflag/api/src/main/kotlin/io/element/android/libraries/featureflag/api/FeatureFlags.kt

@@ -75,4 +75,11 @@ enum class FeatureFlags(
         defaultValue = true,
         isFinished = false,
     ),
+    RoomListFilters(
+        key = "feature.roomlistfilters",
+        title = "Room list filters",
+        description = "Allow user to filter the room list",
+        defaultValue = true,
+        isFinished = false,
+    ),
 }

libraries/featureflag/impl/src/main/kotlin/io/element/android/libraries/featureflag/impl/StaticFeatureFlagProvider.kt

@@ -40,6 +40,7 @@ class StaticFeatureFlagProvider @Inject constructor() :
                 FeatureFlags.PinUnlock -> true
                 FeatureFlags.Mentions -> true
                 FeatureFlags.MarkAsUnread -> false
+                FeatureFlags.RoomListFilters -> false
             }
         } else {
             false

libraries/matrix/api/src/main/kotlin/io/element/android/libraries/matrix/api/roomlist/RoomListFilter.kt

@@ -57,6 +57,11 @@ sealed interface RoomListFilter {
      */
     data object Unread : RoomListFilter
 
+    /**
+     * A filter that matches rooms that are marked as favorite.
+     */
+    data object Favorite : RoomListFilter
+
     /**
      * A filter that matches either Group or People rooms.
      */

libraries/matrix/impl/src/main/kotlin/io/element/android/libraries/matrix/impl/roomlist/RoomListFilter.kt

@@ -31,5 +31,6 @@ fun RoomListFilter.toRustFilter(): RoomListEntriesDynamicFilterKind {
         RoomListFilter.None -> RoomListEntriesDynamicFilterKind.None
         is RoomListFilter.NormalizedMatchRoomName -> RoomListEntriesDynamicFilterKind.NormalizedMatchRoomName(pattern)
         RoomListFilter.Unread -> RoomListEntriesDynamicFilterKind.Unread
+        RoomListFilter.Favorite -> RoomListEntriesDynamicFilterKind.Favourite
     }
 }

libraries/testtags/src/main/kotlin/io/element/android/libraries/testtags/TestTags.kt

@@ -52,6 +52,7 @@ object TestTags {
      * Room list / Home screen.
      */
     val homeScreenSettings = TestTag("home_screen-settings")
+    val homeScreenClearFilters = TestTag("home_screen-clear_filters")
 
     /**
      * Room detail screen.