Add WindowSizeInfo to :core:ui:compose:common to determine the... (f129080e) · Commits · e / os / Mail

core/ui/compose/common/src/main/kotlin/app/k9mail/core/ui/compose/common/window/WindowSizeClass.kt

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		package app.k9mail.core.ui.compose.common.window

		/**
		* WindowSizeClass as defined by supporting different screen sizes.
		*
		* See: https://developer.android.com/guide/topics/large-screens/support-different-screen-sizes#window_size_classes
		*/
		enum class WindowSizeClass {
		Compact,
		Medium,
		Expanded,
		;

		companion object {
		private const val COMPACT_MAX_WIDTH = 600
		private const val COMPACT_MAX_HEIGHT = 480

		private const val MEDIUM_MAX_WIDTH = 840
		private const val MEDIUM_MAX_HEIGHT = 900

		fun fromWidth(width: Int): WindowSizeClass {
		return when {
		width < COMPACT_MAX_WIDTH -> Compact
		width < MEDIUM_MAX_WIDTH -> Medium
		else -> Expanded
		}
		}

		fun fromHeight(height: Int): WindowSizeClass {
		return when {
		height < COMPACT_MAX_HEIGHT -> Compact
		height < MEDIUM_MAX_HEIGHT -> Medium
		else -> Expanded
		}
		}
		}
		}

core/ui/compose/common/src/main/kotlin/app/k9mail/core/ui/compose/common/window/WindowSizeInfo.kt

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		package app.k9mail.core.ui.compose.common.window

		import androidx.compose.runtime.Composable
		import androidx.compose.runtime.Immutable
		import androidx.compose.ui.platform.LocalConfiguration
		import androidx.compose.ui.unit.Dp
		import androidx.compose.ui.unit.dp

		/**
		* Returns the current window size info based on current Configuration.
		*/
		@Composable
		fun getWindowSizeInfo(): WindowSizeInfo {
		val configuration = LocalConfiguration.current

		return WindowSizeInfo(
		screenWidthSizeClass = WindowSizeClass.fromWidth(configuration.screenWidthDp),
		screenHeightSizeClass = WindowSizeClass.fromHeight(configuration.screenHeightDp),
		screenWidth = configuration.screenWidthDp.dp,
		screenHeight = configuration.screenHeightDp.dp,
		)
		}

		@Immutable
		data class WindowSizeInfo(
		val screenWidthSizeClass: WindowSizeClass,
		val screenHeightSizeClass: WindowSizeClass,
		val screenWidth: Dp,
		val screenHeight: Dp,
		)

core/ui/compose/common/src/test/kotlin/app/k9mail/core/ui/compose/common/window/WindowSizeClassTest.kt

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		package app.k9mail.core.ui.compose.common.window

		import assertk.assertThat
		import assertk.assertions.isEqualTo
		import org.junit.Test

		class WindowSizeClassTest {

		@Test
		fun `should return compact when width is less than 600`() {
		val width = 599

		val windowSizeClass = WindowSizeClass.fromWidth(width)

		assertThat(windowSizeClass).isEqualTo(WindowSizeClass.Compact)
		}

		@Test
		fun `should return medium when width is 600`() {
		val width = 600

		val windowSizeClass = WindowSizeClass.fromWidth(width)

		assertThat(windowSizeClass).isEqualTo(WindowSizeClass.Medium)
		}

		@Test
		fun `should return medium when width is less than 840`() {
		val width = 839

		val windowSizeClass = WindowSizeClass.fromWidth(width)

		assertThat(windowSizeClass).isEqualTo(WindowSizeClass.Medium)
		}

		@Test
		fun `should return expanded when width is 840`() {
		val width = 840

		val windowSizeClass = WindowSizeClass.fromWidth(width)

		assertThat(windowSizeClass).isEqualTo(WindowSizeClass.Expanded)
		}

		@Test
		fun `should return compact when height is less than 480`() {
		val height = 479

		val windowSizeClass = WindowSizeClass.fromHeight(height)

		assertThat(windowSizeClass).isEqualTo(WindowSizeClass.Compact)
		}

		@Test
		fun `should return medium when height is 480`() {
		val height = 480

		val windowSizeClass = WindowSizeClass.fromHeight(height)

		assertThat(windowSizeClass).isEqualTo(WindowSizeClass.Medium)
		}

		@Test
		fun `should return medium when height is less than 900`() {
		val height = 899

		val windowSizeClass = WindowSizeClass.fromHeight(height)

		assertThat(windowSizeClass).isEqualTo(WindowSizeClass.Medium)
		}

		@Test
		fun `should return expanded when height is 900`() {
		val height = 900

		val windowSizeClass = WindowSizeClass.fromHeight(height)

		assertThat(windowSizeClass).isEqualTo(WindowSizeClass.Expanded)
		}
		}