Add basic MediaScenePicker for MediaCarousel (0ce69331) · Commits · e / os / android_frameworks_base

packages/SystemUI/compose/features/src/com/android/systemui/media/controls/ui/composable/MediaCarousel.kt

+40 −35

Original line number	Diff line number	Diff line
		@@ -16,8 +16,10 @@

		package com.android.systemui.media.controls.ui.composable

		import android.view.View
		import android.view.ViewGroup
		import android.widget.FrameLayout
		import androidx.compose.foundation.layout.fillMaxSize
		import androidx.compose.foundation.layout.fillMaxWidth
		import androidx.compose.foundation.layout.height
		import androidx.compose.runtime.Composable
		@@ -26,7 +28,6 @@ import androidx.compose.ui.layout.layout
		import androidx.compose.ui.platform.LocalDensity
		import androidx.compose.ui.res.dimensionResource
		import androidx.compose.ui.viewinterop.AndroidView
		import androidx.core.view.contains
		import com.android.compose.animation.scene.ElementKey
		import com.android.compose.animation.scene.SceneScope
		import com.android.systemui.media.controls.ui.controller.MediaCarouselController
		@@ -36,7 +37,8 @@ import com.android.systemui.util.animation.MeasurementInput

		private object MediaCarousel {
		object Elements {
		internal val Content = ElementKey("MediaCarouselContent")
		internal val Content =
		ElementKey(debugName = "MediaCarouselContent", scenePicker = MediaScenePicker)
		}
		}

		@@ -61,26 +63,25 @@ fun SceneScope.MediaCarousel(
		mediaHost.measurementInput = MeasurementInput(layoutWidth, layoutHeight)
		carouselController.setSceneContainerSize(layoutWidth, layoutHeight)

		MovableElement(
		key = MediaCarousel.Elements.Content,
		modifier = modifier.height(mediaHeight).fillMaxWidth()
		) {
		content {
		AndroidView(
		modifier =
		modifier
		.element(MediaCarousel.Elements.Content)
		.height(mediaHeight)
		.fillMaxWidth()
		.layout { measurable, constraints ->
		Modifier.fillMaxSize().layout { measurable, constraints ->
		val placeable = measurable.measure(constraints)

		// Notify controller to size the carousel for the current space
		mediaHost.measurementInput = MeasurementInput(placeable.width, placeable.height)
		mediaHost.measurementInput =
		MeasurementInput(placeable.width, placeable.height)
		carouselController.setSceneContainerSize(placeable.width, placeable.height)

		layout(placeable.width, placeable.height) { placeable.placeRelative(0, 0) }
		},
		factory = { context ->
		FrameLayout(context).apply {
		val mediaFrame = carouselController.mediaFrame
		(mediaFrame.parent as? ViewGroup)?.removeView(mediaFrame)
		addView(mediaFrame)
		layoutParams =
		FrameLayout.LayoutParams(
		FrameLayout.LayoutParams.MATCH_PARENT,
		@@ -88,13 +89,17 @@ fun SceneScope.MediaCarousel(
		)
		}
		},
		update = {
		if (it.contains(carouselController.mediaFrame)) {
		return@AndroidView
		}
		val mediaFrame = carouselController.mediaFrame
		(mediaFrame.parent as? ViewGroup)?.removeView(mediaFrame)
		it.addView(mediaFrame)
		},
		update = { it.setView(carouselController.mediaFrame) },
		onRelease = { it.removeAllViews() }
		)
		}
		}
		}

		private fun ViewGroup.setView(view: View) {
		if (view.parent == this) {
		return
		}
		(view.parent as? ViewGroup)?.removeView(view)
		addView(view)
		}

packages/SystemUI/compose/features/src/com/android/systemui/media/controls/ui/composable/MediaScenePicker.kt

0 → 100644

+72 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2024 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.media.controls.ui.composable

		import com.android.compose.animation.scene.ElementKey
		import com.android.compose.animation.scene.ElementScenePicker
		import com.android.compose.animation.scene.SceneKey
		import com.android.compose.animation.scene.TransitionState
		import com.android.systemui.scene.shared.model.Scenes

		/** [ElementScenePicker] implementation for the media carousel object. */
		object MediaScenePicker : ElementScenePicker {

		private val shadeLockscreenFraction = 0.65f
		private val scenes =
		setOf(
		Scenes.Lockscreen,
		Scenes.Shade,
		Scenes.QuickSettings,
		Scenes.QuickSettingsShade,
		Scenes.Communal
		)

		override fun sceneDuringTransition(
		element: ElementKey,
		transition: TransitionState.Transition,
		fromSceneZIndex: Float,
		toSceneZIndex: Float
		): SceneKey? {
		return when {
		// TODO: 352052894 - update with the actual scene picking
		transition.isTransitioning(from = Scenes.Lockscreen, to = Scenes.Shade) -> {
		if (transition.progress < shadeLockscreenFraction) {
		Scenes.Lockscreen
		} else {
		Scenes.Shade
		}
		}

		// TODO: 345467290 - update with the actual scene picking
		transition.isTransitioning(from = Scenes.Shade, to = Scenes.Lockscreen) -> {
		if (transition.progress < 1f - shadeLockscreenFraction) {
		Scenes.Shade
		} else {
		Scenes.Lockscreen
		}
		}

		// TODO: 345467290 - update with the actual scene picking
		transition.isTransitioningBetween(Scenes.QuickSettings, Scenes.Shade) -> {
		Scenes.QuickSettings
		}

		// TODO: 340216785 - update with the actual scene picking
		else -> pickSingleSceneIn(scenes, transition, element)
		}
		}
		}