[multishade] Deletes unused multi-shade code. (a4d1515d) · Commits · e / os / android_frameworks_base

packages/SystemUI/compose/core/src/com/android/compose/swipeable/Swipeable.kt

deleted100644 → 0

+0 −849

File deleted.

Preview size limit exceeded, changes collapsed.

packages/SystemUI/compose/facade/disabled/src/com/android/systemui/compose/ComposeFacade.kt

+0 −10

Original line number	Diff line number	Diff line
		@@ -21,13 +21,11 @@ import android.content.Context
		import android.view.View
		import androidx.activity.ComponentActivity
		import androidx.lifecycle.LifecycleOwner
		import com.android.systemui.multishade.ui.viewmodel.MultiShadeViewModel
		import com.android.systemui.people.ui.viewmodel.PeopleViewModel
		import com.android.systemui.qs.footer.ui.viewmodel.FooterActionsViewModel
		import com.android.systemui.scene.shared.model.Scene
		import com.android.systemui.scene.shared.model.SceneKey
		import com.android.systemui.scene.ui.viewmodel.SceneContainerViewModel
		import com.android.systemui.util.time.SystemClock

		/** The Compose facade, when Compose is not available. */
		object ComposeFacade : BaseComposeFacade {
		@@ -53,14 +51,6 @@ object ComposeFacade : BaseComposeFacade {
		throwComposeUnavailableError()
		}

		override fun createMultiShadeView(
		context: Context,
		viewModel: MultiShadeViewModel,
		clock: SystemClock,
		): View {
		throwComposeUnavailableError()
		}

		override fun createSceneContainerView(
		context: Context,
		viewModel: SceneContainerViewModel,

packages/SystemUI/compose/facade/enabled/src/com/android/systemui/compose/ComposeFacade.kt

+0 −20

Original line number	Diff line number	Diff line
		@@ -23,8 +23,6 @@ import androidx.activity.compose.setContent
		import androidx.compose.ui.platform.ComposeView
		import androidx.lifecycle.LifecycleOwner
		import com.android.compose.theme.PlatformTheme
		import com.android.systemui.multishade.ui.composable.MultiShade
		import com.android.systemui.multishade.ui.viewmodel.MultiShadeViewModel
		import com.android.systemui.people.ui.compose.PeopleScreen
		import com.android.systemui.people.ui.viewmodel.PeopleViewModel
		import com.android.systemui.qs.footer.ui.compose.FooterActions
		@@ -34,7 +32,6 @@ import com.android.systemui.scene.shared.model.SceneKey
		import com.android.systemui.scene.ui.composable.ComposableScene
		import com.android.systemui.scene.ui.composable.SceneContainer
		import com.android.systemui.scene.ui.viewmodel.SceneContainerViewModel
		import com.android.systemui.util.time.SystemClock

		/** The Compose facade, when Compose is available. */
		object ComposeFacade : BaseComposeFacade {
		@@ -60,23 +57,6 @@ object ComposeFacade : BaseComposeFacade {
		}
		}

		override fun createMultiShadeView(
		context: Context,
		viewModel: MultiShadeViewModel,
		clock: SystemClock,
		): View {
		return ComposeView(context).apply {
		setContent {
		PlatformTheme {
		MultiShade(
		viewModel = viewModel,
		clock = clock,
		)
		}
		}
		}
		}

		override fun createSceneContainerView(
		context: Context,
		viewModel: SceneContainerViewModel,

packages/SystemUI/compose/features/src/com/android/systemui/multishade/ui/composable/MultiShade.kt

deleted100644 → 0

+0 −145

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2023 The Android Open Source Project
		*
		* 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 com.android.systemui.multishade.ui.composable

		import androidx.compose.foundation.background
		import androidx.compose.foundation.gestures.detectTapGestures
		import androidx.compose.foundation.gestures.detectVerticalDragGestures
		import androidx.compose.foundation.layout.Box
		import androidx.compose.foundation.layout.BoxWithConstraints
		import androidx.compose.foundation.layout.Column
		import androidx.compose.foundation.layout.fillMaxSize
		import androidx.compose.runtime.Composable
		import androidx.compose.runtime.collectAsState
		import androidx.compose.runtime.getValue
		import androidx.compose.runtime.mutableStateOf
		import androidx.compose.runtime.remember
		import androidx.compose.runtime.setValue
		import androidx.compose.ui.Alignment
		import androidx.compose.ui.Modifier
		import androidx.compose.ui.graphics.graphicsLayer
		import androidx.compose.ui.input.pointer.pointerInput
		import androidx.compose.ui.layout.onSizeChanged
		import androidx.compose.ui.platform.LocalDensity
		import androidx.compose.ui.res.colorResource
		import androidx.compose.ui.unit.IntSize
		import com.android.systemui.R
		import com.android.systemui.multishade.shared.model.ProxiedInputModel
		import com.android.systemui.multishade.ui.viewmodel.MultiShadeViewModel
		import com.android.systemui.notifications.ui.composable.Notifications
		import com.android.systemui.qs.footer.ui.compose.QuickSettings
		import com.android.systemui.statusbar.ui.composable.StatusBar
		import com.android.systemui.util.time.SystemClock

		@Composable
		fun MultiShade(
		viewModel: MultiShadeViewModel,
		clock: SystemClock,
		modifier: Modifier = Modifier,
		) {
		val isScrimEnabled: Boolean by viewModel.isScrimEnabled.collectAsState()
		val scrimAlpha: Float by viewModel.scrimAlpha.collectAsState()

		// TODO(b/273298030): find a different way to get the height constraint from its parent.
		BoxWithConstraints(modifier = modifier) {
		val maxHeightPx = with(LocalDensity.current) { maxHeight.toPx() }

		Scrim(
		modifier = Modifier.fillMaxSize(),
		remoteTouch = viewModel::onScrimTouched,
		alpha = { scrimAlpha },
		isScrimEnabled = isScrimEnabled,
		)
		Shade(
		viewModel = viewModel.leftShade,
		currentTimeMillis = clock::elapsedRealtime,
		containerHeightPx = maxHeightPx,
		modifier = Modifier.align(Alignment.TopStart),
		) {
		Column {
		StatusBar()
		Notifications()
		}
		}
		Shade(
		viewModel = viewModel.rightShade,
		currentTimeMillis = clock::elapsedRealtime,
		containerHeightPx = maxHeightPx,
		modifier = Modifier.align(Alignment.TopEnd),
		) {
		Column {
		StatusBar()
		QuickSettings()
		}
		}
		Shade(
		viewModel = viewModel.singleShade,
		currentTimeMillis = clock::elapsedRealtime,
		containerHeightPx = maxHeightPx,
		modifier = Modifier,
		) {
		Column {
		StatusBar()
		Notifications()
		QuickSettings()
		}
		}
		}
		}

		@Composable
		private fun Scrim(
		remoteTouch: (ProxiedInputModel) -> Unit,
		alpha: () -> Float,
		isScrimEnabled: Boolean,
		modifier: Modifier = Modifier,
		) {
		var size by remember { mutableStateOf(IntSize.Zero) }

		Box(
		modifier =
		modifier
		.graphicsLayer { this.alpha = alpha() }
		.background(colorResource(R.color.opaque_scrim))
		.fillMaxSize()
		.onSizeChanged { size = it }
		.then(
		if (isScrimEnabled) {
		Modifier.pointerInput(Unit) {
		detectTapGestures(onTap = { remoteTouch(ProxiedInputModel.OnTap) })
		}
		.pointerInput(Unit) {
		detectVerticalDragGestures(
		onVerticalDrag = { change, dragAmount ->
		remoteTouch(
		ProxiedInputModel.OnDrag(
		xFraction = change.position.x / size.width,
		yDragAmountPx = dragAmount,
		)
		)
		},
		onDragEnd = { remoteTouch(ProxiedInputModel.OnDragEnd) },
		onDragCancel = { remoteTouch(ProxiedInputModel.OnDragCancel) }
		)
		}
		} else {
		Modifier
		}
		)
		)
		}

packages/SystemUI/compose/features/src/com/android/systemui/multishade/ui/composable/Shade.kt

deleted100644 → 0

+0 −336

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2023 The Android Open Source Project
		*
		* 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 com.android.systemui.multishade.ui.composable

		import androidx.compose.foundation.gestures.Orientation
		import androidx.compose.foundation.interaction.DragInteraction
		import androidx.compose.foundation.interaction.InteractionSource
		import androidx.compose.foundation.interaction.MutableInteractionSource
		import androidx.compose.foundation.layout.fillMaxWidth
		import androidx.compose.foundation.layout.width
		import androidx.compose.foundation.shape.RoundedCornerShape
		import androidx.compose.material3.Surface
		import androidx.compose.runtime.Composable
		import androidx.compose.runtime.LaunchedEffect
		import androidx.compose.runtime.collectAsState
		import androidx.compose.runtime.getValue
		import androidx.compose.runtime.remember
		import androidx.compose.runtime.snapshotFlow
		import androidx.compose.ui.Modifier
		import androidx.compose.ui.geometry.Offset
		import androidx.compose.ui.graphics.graphicsLayer
		import androidx.compose.ui.input.pointer.util.VelocityTracker
		import androidx.compose.ui.platform.LocalDensity
		import androidx.compose.ui.unit.Density
		import androidx.compose.ui.unit.Dp
		import androidx.compose.ui.unit.dp
		import com.android.compose.modifiers.height
		import com.android.compose.modifiers.padding
		import com.android.compose.swipeable.FixedThreshold
		import com.android.compose.swipeable.SwipeableState
		import com.android.compose.swipeable.ThresholdConfig
		import com.android.compose.swipeable.rememberSwipeableState
		import com.android.compose.swipeable.swipeable
		import com.android.systemui.multishade.shared.model.ProxiedInputModel
		import com.android.systemui.multishade.ui.viewmodel.ShadeViewModel
		import kotlin.math.min
		import kotlin.math.roundToInt
		import kotlinx.coroutines.launch

		/**
		* Renders a shade (container and content).
		*
		* This should be allowed to grow to fill the width and height of its container.
		*
		* @param viewModel The view-model for this shade.
		* @param currentTimeMillis A provider for the current time, in milliseconds.
		* @param containerHeightPx The height of the container that this shade is being shown in, in
		* pixels.
		* @param modifier The Modifier.
		* @param content The content of the shade.
		*/
		@Composable
		fun Shade(
		viewModel: ShadeViewModel,
		currentTimeMillis: () -> Long,
		containerHeightPx: Float,
		modifier: Modifier = Modifier,
		content: @Composable () -> Unit = {},
		) {
		val isVisible: Boolean by viewModel.isVisible.collectAsState()
		if (!isVisible) {
		return
		}

		val interactionSource: MutableInteractionSource = remember { MutableInteractionSource() }
		ReportNonProxiedInput(viewModel, interactionSource)

		val swipeableState = rememberSwipeableState(initialValue = ShadeState.FullyCollapsed)
		HandleForcedCollapse(viewModel, swipeableState)
		HandleProxiedInput(viewModel, swipeableState, currentTimeMillis)
		ReportShadeExpansion(viewModel, swipeableState, containerHeightPx)

		val isSwipingEnabled: Boolean by viewModel.isSwipingEnabled.collectAsState()
		val collapseThreshold: Float by viewModel.swipeCollapseThreshold.collectAsState()
		val expandThreshold: Float by viewModel.swipeExpandThreshold.collectAsState()

		val width: ShadeViewModel.Size by viewModel.width.collectAsState()
		val density = LocalDensity.current

		val anchors: Map<Float, ShadeState> =
		remember(containerHeightPx) { swipeableAnchors(containerHeightPx) }

		ShadeContent(
		shadeHeightPx = { swipeableState.offset.value },
		overstretch = { swipeableState.overflow.value / containerHeightPx },
		isSwipingEnabled = isSwipingEnabled,
		swipeableState = swipeableState,
		interactionSource = interactionSource,
		anchors = anchors,
		thresholds = { _, to ->
		swipeableThresholds(
		to = to,
		swipeCollapseThreshold = collapseThreshold.fractionToDp(density, containerHeightPx),
		swipeExpandThreshold = expandThreshold.fractionToDp(density, containerHeightPx),
		)
		},
		modifier = modifier.shadeWidth(width, density),
		content = content,
		)
		}

		/**
		* Draws the content of the shade.
		*
		* @param shadeHeightPx Provider for the current expansion of the shade, in pixels, where `0` is
		* fully collapsed.
		* @param overstretch Provider for the current amount of vertical "overstretch" that the shade
		* should be rendered with. This is `0` or a positive number that is a percentage of the total
		* height of the shade when fully expanded. A value of `0` means that the shade is not stretched
		* at all.
		* @param isSwipingEnabled Whether swiping inside the shade is enabled or not.
		* @param swipeableState The state to use for the [swipeable] modifier, allowing external control in
		* addition to direct control (proxied user input in addition to non-proxied/direct user input).
		* @param anchors A map of [ShadeState] keyed by the vertical position, in pixels, where that state
		* occurs; this is used to configure the [swipeable] modifier.
		* @param thresholds Function that returns the [ThresholdConfig] for going from one [ShadeState] to
		* another. This controls how the [swipeable] decides which [ShadeState] to animate to once the
		* user lets go of the shade; e.g. does it animate to fully collapsed or fully expanded.
		* @param content The content to render inside the shade.
		* @param modifier The [Modifier].
		*/
		@Composable
		private fun ShadeContent(
		shadeHeightPx: () -> Float,
		overstretch: () -> Float,
		isSwipingEnabled: Boolean,
		swipeableState: SwipeableState<ShadeState>,
		interactionSource: MutableInteractionSource,
		anchors: Map<Float, ShadeState>,
		thresholds: (from: ShadeState, to: ShadeState) -> ThresholdConfig,
		modifier: Modifier = Modifier,
		content: @Composable () -> Unit = {},
		) {
		/**
		* Returns a function that takes in [Density] and returns the current padding around the shade
		* content.
		*/
		fun padding(
		shadeHeightPx: () -> Float,
		): Density.() -> Int {
		return {
		min(
		12.dp.toPx().roundToInt(),
		shadeHeightPx().roundToInt(),
		)
		}
		}

		Surface(
		shape = RoundedCornerShape(32.dp),
		modifier =
		modifier
		.fillMaxWidth()
		.height { shadeHeightPx().roundToInt() }
		.padding(
		horizontal = padding(shadeHeightPx),
		vertical = padding(shadeHeightPx),
		)
		.graphicsLayer {
		// Applies the vertical over-stretching of the shade content that may happen if
		// the user keep dragging down when the shade is already fully-expanded.
		transformOrigin = transformOrigin.copy(pivotFractionY = 0f)
		this.scaleY = 1 + overstretch().coerceAtLeast(0f)
		}
		.swipeable(
		enabled = isSwipingEnabled,
		state = swipeableState,
		interactionSource = interactionSource,
		anchors = anchors,
		thresholds = thresholds,
		orientation = Orientation.Vertical,
		),
		content = content,
		)
		}

		/** Funnels current shade expansion values into the view-model. */
		@Composable
		private fun ReportShadeExpansion(
		viewModel: ShadeViewModel,
		swipeableState: SwipeableState<ShadeState>,
		containerHeightPx: Float,
		) {
		LaunchedEffect(swipeableState.offset, containerHeightPx) {
		snapshotFlow { swipeableState.offset.value / containerHeightPx }
		.collect { expansion -> viewModel.onExpansionChanged(expansion) }
		}
		}

		/** Funnels drag gesture start and end events into the view-model. */
		@Composable
		private fun ReportNonProxiedInput(
		viewModel: ShadeViewModel,
		interactionSource: InteractionSource,
		) {
		LaunchedEffect(interactionSource) {
		interactionSource.interactions.collect {
		when (it) {
		is DragInteraction.Start -> {
		viewModel.onDragStarted()
		}
		is DragInteraction.Stop -> {
		viewModel.onDragEnded()
		}
		}
		}
		}
		}

		/** When told to force collapse, collapses the shade. */
		@Composable
		private fun HandleForcedCollapse(
		viewModel: ShadeViewModel,
		swipeableState: SwipeableState<ShadeState>,
		) {
		LaunchedEffect(viewModel) {
		viewModel.isForceCollapsed.collect {
		launch { swipeableState.animateTo(ShadeState.FullyCollapsed) }
		}
		}
		}

		/**
		* Handles proxied input (input originating outside of the UI of the shade) by driving the
		* [SwipeableState] accordingly.
		*/
		@Composable
		private fun HandleProxiedInput(
		viewModel: ShadeViewModel,
		swipeableState: SwipeableState<ShadeState>,
		currentTimeMillis: () -> Long,
		) {
		val velocityTracker: VelocityTracker = remember { VelocityTracker() }
		LaunchedEffect(viewModel) {
		viewModel.proxiedInput.collect {
		when (it) {
		is ProxiedInputModel.OnDrag -> {
		velocityTracker.addPosition(
		timeMillis = currentTimeMillis.invoke(),
		position = Offset(0f, it.yDragAmountPx),
		)
		swipeableState.performDrag(it.yDragAmountPx)
		}
		is ProxiedInputModel.OnDragEnd -> {
		launch {
		val velocity = velocityTracker.calculateVelocity().y
		velocityTracker.resetTracking()
		// We use a VelocityTracker to keep a record of how fast the pointer was
		// moving such that we know how far to fling the shade when the gesture
		// ends. Flinging the SwipeableState using performFling is required after
		// one or more calls to performDrag such that the swipeable settles into one
		// of the states. Without doing that, the shade would remain unmoving in an
		// in-between state on the screen.
		swipeableState.performFling(velocity)
		}
		}
		is ProxiedInputModel.OnDragCancel -> {
		launch {
		velocityTracker.resetTracking()
		swipeableState.animateTo(swipeableState.progress.from)
		}
		}
		else -> Unit
		}
		}
		}
		}

		/**
		* Converts the [Float] (which is assumed to be a fraction between `0` and `1`) to a value in dp.
		*
		* @param density The [Density] of the display.
		* @param wholePx The whole amount that the given [Float] is a fraction of.
		* @return The dp size that's a fraction of the whole amount.
		*/
		private fun Float.fractionToDp(density: Density, wholePx: Float): Dp {
		return with(density) { (this@fractionToDp * wholePx).toDp() }
		}

		private fun Modifier.shadeWidth(
		size: ShadeViewModel.Size,
		density: Density,
		): Modifier {
		return then(
		when (size) {
		is ShadeViewModel.Size.Fraction -> Modifier.fillMaxWidth(size.fraction)
		is ShadeViewModel.Size.Pixels -> Modifier.width(with(density) { size.pixels.toDp() })
		}
		)
		}

		/** Returns the pixel positions for each of the supported shade states. */
		private fun swipeableAnchors(containerHeightPx: Float): Map<Float, ShadeState> {
		return mapOf(
		0f to ShadeState.FullyCollapsed,
		containerHeightPx to ShadeState.FullyExpanded,
		)
		}

		/**
		* Returns the [ThresholdConfig] for how far the shade should be expanded or collapsed such that it
		* actually completes the expansion or collapse after the user lifts their pointer.
		*/
		private fun swipeableThresholds(
		to: ShadeState,
		swipeExpandThreshold: Dp,
		swipeCollapseThreshold: Dp,
		): ThresholdConfig {
		return FixedThreshold(
		when (to) {
		ShadeState.FullyExpanded -> swipeExpandThreshold
		ShadeState.FullyCollapsed -> swipeCollapseThreshold
		}
		)
		}

		/** Enumerates the shade UI states for [SwipeableState]. */
		private enum class ShadeState {
		FullyCollapsed,
		FullyExpanded,
		}