diff --git a/features/home/impl/src/main/kotlin/io/element/android/features/home/impl/filters/selection/DefaultFilterSelectionStrategy.kt b/features/home/impl/src/main/kotlin/io/element/android/features/home/impl/filters/selection/DefaultFilterSelectionStrategy.kt index 847dbc2c39..4121ff9ab4 100644 --- a/features/home/impl/src/main/kotlin/io/element/android/features/home/impl/filters/selection/DefaultFilterSelectionStrategy.kt +++ b/features/home/impl/src/main/kotlin/io/element/android/features/home/impl/filters/selection/DefaultFilterSelectionStrategy.kt @@ -22,6 +22,11 @@ class DefaultFilterSelectionStrategy : FilterSelectionStrategy { override val filterSelectionStates = MutableStateFlow(buildFilters()) override fun select(filter: RoomListFilter) { + // Incompatible filters are hidden from the UI rather than disabled, so a filter can still be + // selected while its chip is on its way out, typically when two chips are tapped in the same + // frame. Ignore it, the currently applied filters win. + // See https://github.com/element-hq/element-x-android/issues/5383 + if (selectedFilters.any { it in filter.incompatibleFilters }) return selectedFilters.add(filter) filterSelectionStates.value = buildFilters() } diff --git a/features/home/impl/src/test/kotlin/io/element/android/features/home/impl/filters/RoomListFiltersPresenterTest.kt b/features/home/impl/src/test/kotlin/io/element/android/features/home/impl/filters/RoomListFiltersPresenterTest.kt index 9fb87c0eec..ae1d7b5083 100644 --- a/features/home/impl/src/test/kotlin/io/element/android/features/home/impl/filters/RoomListFiltersPresenterTest.kt +++ b/features/home/impl/src/test/kotlin/io/element/android/features/home/impl/filters/RoomListFiltersPresenterTest.kt @@ -72,6 +72,51 @@ class RoomListFiltersPresenterTest { } } + @Test + @OptIn(ExperimentalCoroutinesApi::class) + fun `present - toggling two incompatible filters in the same frame keeps the first one`() = runTest { + val presenter = createRoomListFiltersPresenter() + presenter.test { + awaitItem().let { state -> + // Both events are sent on the same state, i.e. before any recomposition, which is what + // happens when the two chips are tapped simultaneously. + state.eventSink.invoke(RoomListFiltersEvent.ToggleFilter(RoomListFilter.Favourites)) + state.eventSink.invoke(RoomListFiltersEvent.ToggleFilter(RoomListFilter.Invites)) + } + advanceUntilIdle() + awaitLastSequentialItem().let { state -> + assertThat(state.selectedFilters()).containsExactly(RoomListFilter.Favourites) + assertThat(state.filterSelectionStates).containsExactly( + filterSelectionState(RoomListFilter.Favourites, true), + filterSelectionState(RoomListFilter.Unread, false), + filterSelectionState(RoomListFilter.People, false), + filterSelectionState(RoomListFilter.Rooms, false), + ).inOrder() + } + } + } + + @Test + @OptIn(ExperimentalCoroutinesApi::class) + fun `present - toggling two incompatible categories in the same frame keeps the first one`() = runTest { + val presenter = createRoomListFiltersPresenter() + presenter.test { + awaitItem().let { state -> + state.eventSink.invoke(RoomListFiltersEvent.ToggleFilter(RoomListFilter.People)) + state.eventSink.invoke(RoomListFiltersEvent.ToggleFilter(RoomListFilter.Rooms)) + } + advanceUntilIdle() + awaitLastSequentialItem().let { state -> + assertThat(state.selectedFilters()).containsExactly(RoomListFilter.People) + assertThat(state.filterSelectionStates).containsExactly( + filterSelectionState(RoomListFilter.People, true), + filterSelectionState(RoomListFilter.Unread, false), + filterSelectionState(RoomListFilter.Favourites, false), + ).inOrder() + } + } + } + @Test @OptIn(ExperimentalCoroutinesApi::class) fun `present - clear filters event`() = runTest {