Merge "Paged carousel for media players" into rvc-dev am: 83dcd5f76f (78293475) · Commits · e / os / android_frameworks_base

packages/SystemUI/res/layout/media_carousel.xml

+26 −9

Original line number	Diff line number	Diff line
		@@ -16,10 +16,17 @@
		-->

		<!-- Carousel for media controls -->
		<com.android.systemui.media.UnboundHorizontalScrollView
		<FrameLayout
		xmlns:android="http://schemas.android.com/apk/res/android"
		android:layout_width="match_parent"
		android:layout_height="wrap_content"
		android:clipChildren="false"
		android:clipToPadding="false"
		>
		<com.android.systemui.media.UnboundHorizontalScrollView
		android:id="@+id/media_carousel_scroller"
		android:layout_width="match_parent"
		android:layout_height="wrap_content"
		android:scrollbars="none"
		android:clipChildren="false"
		android:clipToPadding="false"
		@@ -35,3 +42,13 @@
		<!-- QSMediaPlayers will be added here dynamically -->
		</LinearLayout>
		</com.android.systemui.media.UnboundHorizontalScrollView>
		<com.android.systemui.qs.PageIndicator
		android:id="@+id/media_page_indicator"
		android:layout_width="wrap_content"
		android:layout_height="48dp"
		android:layout_marginBottom="4dp"
		android:layout_gravity="center_horizontal\|bottom"
		android:gravity="center"
		android:tint="@color/media_primary_text"
		/>
		</FrameLayout>

packages/SystemUI/src/com/android/systemui/media/MediaHierarchyManager.kt

+2 −2

Original line number	Diff line number	Diff line
		@@ -58,7 +58,7 @@ class MediaHierarchyManager @Inject constructor(
		private var rootOverlay: ViewGroupOverlay? = null
		private lateinit var currentState: MediaState
		private val mediaCarousel
		get() = mediaViewManager.mediaCarousel
		get() = mediaViewManager.mediaFrame
		private var animationStartState: MediaState? = null
		private var statusbarState: Int = statusBarStateController.state
		private var animator = ValueAnimator.ofFloat(0.0f, 1.0f).apply {

packages/SystemUI/src/com/android/systemui/media/MediaViewManager.kt

+88 −4

Original line number	Diff line number	Diff line
		package com.android.systemui.media

		import android.content.Context
		import android.graphics.Color
		import android.view.LayoutInflater
		import android.view.GestureDetector
		import android.view.MotionEvent
		import android.view.View
		import android.view.ViewGroup
		import android.widget.HorizontalScrollView
		import android.widget.LinearLayout
		import androidx.core.view.GestureDetectorCompat
		import com.android.systemui.R
		import com.android.systemui.dagger.qualifiers.Background
		import com.android.systemui.dagger.qualifiers.Main
		import com.android.systemui.plugins.ActivityStarter
		import com.android.systemui.qs.PageIndicator
		import com.android.systemui.statusbar.notification.VisualStabilityManager
		import com.android.systemui.util.animation.MeasurementOutput
		import com.android.systemui.util.animation.UniqueObjectHostView
		@@ -18,6 +23,8 @@ import java.util.concurrent.Executor
		import javax.inject.Inject
		import javax.inject.Singleton

		private const val FLING_SLOP = 1000000

		/**
		* Class that is responsible for keeping the view carousel up to date.
		* This also handles changes in state and applies them to the media carousel like the expansion.
		@@ -35,9 +42,12 @@ class MediaViewManager @Inject constructor(
		private var playerWidthPlusPadding: Int = 0
		private var desiredState: MediaHost.MediaHostState? = null
		private var currentState: MediaState? = null
		val mediaCarousel: HorizontalScrollView
		private val mediaCarousel: HorizontalScrollView
		val mediaFrame: ViewGroup
		private val mediaContent: ViewGroup
		private val mediaPlayers: MutableMap<String, MediaControlPanel> = mutableMapOf()
		private val pageIndicator: PageIndicator
		private val gestureDetector: GestureDetectorCompat
		private val visualStabilityCallback: VisualStabilityManager.Callback
		private var activeMediaIndex: Int = 0
		private var needsReordering: Boolean = false
		@@ -66,10 +76,30 @@ class MediaViewManager @Inject constructor(
		scrollX % playerWidthPlusPadding)
		}
		}
		private val gestureListener = object : GestureDetector.SimpleOnGestureListener() {
		override fun onFling(
		eStart: MotionEvent?,
		eCurrent: MotionEvent?,
		vX: Float,
		vY: Float
		): Boolean {
		return this@MediaViewManager.onFling(eStart, eCurrent, vX, vY)
		}
		}
		private val touchListener = object : View.OnTouchListener {
		override fun onTouch(view: View, motionEvent: MotionEvent?): Boolean {
		return this@MediaViewManager.onTouch(view, motionEvent)
		}
		}

		init {
		mediaCarousel = inflateMediaCarousel()
		gestureDetector = GestureDetectorCompat(context, gestureListener)
		mediaFrame = inflateMediaCarousel()
		mediaCarousel = mediaFrame.requireViewById(R.id.media_carousel_scroller)
		pageIndicator = mediaFrame.requireViewById(R.id.media_page_indicator)
		mediaCarousel.setOnScrollChangeListener(scrollChangedListener)
		mediaCarousel.setOnTouchListener(touchListener)
		mediaCarousel.setOverScrollMode(View.OVER_SCROLL_NEVER)
		mediaContent = mediaCarousel.requireViewById(R.id.media_carousel)
		visualStabilityCallback = VisualStabilityManager.Callback {
		if (needsReordering) {
		@@ -103,14 +133,15 @@ class MediaViewManager @Inject constructor(
		playerWidthPlusPadding, 0)
		}
		updatePlayerVisibilities()
		updatePageIndicator()
		}
		}
		})
		}

		private fun inflateMediaCarousel(): HorizontalScrollView {
		private fun inflateMediaCarousel(): ViewGroup {
		return LayoutInflater.from(context).inflate(R.layout.media_carousel,
		UniqueObjectHostView(context), false) as HorizontalScrollView
		UniqueObjectHostView(context), false) as ViewGroup
		}

		private fun reorderAllPlayers() {
		@@ -133,6 +164,47 @@ class MediaViewManager @Inject constructor(
		activeMediaIndex = newIndex
		updatePlayerVisibilities()
		}
		val location = activeMediaIndex.toFloat() + if (playerWidthPlusPadding > 0)
		scrollInAmount.toFloat() / playerWidthPlusPadding else 0f
		pageIndicator.setLocation(location)
		}

		private fun onTouch(view: View, motionEvent: MotionEvent?): Boolean {
		if (gestureDetector.onTouchEvent(motionEvent)) {
		return true
		}
		if (motionEvent?.getAction() == MotionEvent.ACTION_UP) {
		val pos = mediaCarousel.scrollX % playerWidthPlusPadding
		if (pos > playerWidthPlusPadding / 2) {
		mediaCarousel.smoothScrollBy(playerWidthPlusPadding - pos, 0)
		} else {
		mediaCarousel.smoothScrollBy(-1 * pos, 0)
		}
		return true
		}
		return view.onTouchEvent(motionEvent)
		}

		private fun onFling(
		eStart: MotionEvent?,
		eCurrent: MotionEvent?,
		vX: Float,
		vY: Float
		): Boolean {
		if (vX * vX < 0.5 * vY * vY) {
		return false
		}
		if (vX * vX < FLING_SLOP) {
		return false
		}
		val pos = mediaCarousel.scrollX
		val currentIndex = if (playerWidthPlusPadding > 0) pos / playerWidthPlusPadding else 0
		var destIndex = if (vX <= 0) currentIndex + 1 else currentIndex
		destIndex = Math.max(0, destIndex)
		destIndex = Math.min(mediaContent.getChildCount() - 1, destIndex)
		val view = mediaContent.getChildAt(destIndex)
		mediaCarousel.smoothScrollTo(view.left, mediaCarousel.scrollY)
		return true
		}

		private fun updatePlayerVisibilities() {
		@@ -176,6 +248,7 @@ class MediaViewManager @Inject constructor(
		// motion model
		existingPlayer.view?.player?.progress = currentState?.expansion ?: 0.0f
		updateMediaPaddings()
		updatePageIndicator()
		}

		private fun updatePlayerToCurrentState(existingPlayer: MediaControlPanel) {
		@@ -199,6 +272,14 @@ class MediaViewManager @Inject constructor(
		}
		}

		private fun updatePageIndicator() {
		val numPages = mediaContent.getChildCount()
		pageIndicator.setNumPages(numPages, Color.WHITE)
		if (numPages == 1) {
		pageIndicator.setLocation(0f)
		}
		}

		/**
		* Set the current state of a view. This is updated often during animations and we shouldn't
		* do anything expensive.
		@@ -206,6 +287,9 @@ class MediaViewManager @Inject constructor(
		fun setCurrentState(state: MediaState) {
		currentState = state
		currentlyExpanded = state.expansion > 0
		// Hack: Since the indicator doesn't move with the player expansion, just make it disappear
		// and then reappear at the end.
		pageIndicator.alpha = if (state.expansion == 1f \|\| state.expansion == 0f) 1f else 0f
		for (mediaPlayer in mediaPlayers.values) {
		val view = mediaPlayer.view?.player
		view?.progress = state.expansion

packages/SystemUI/src/com/android/systemui/qs/PageIndicator.java

+9 −4

Original line number	Diff line number	Diff line
		@@ -45,6 +45,15 @@ public class PageIndicator extends ViewGroup {
		}

		public void setNumPages(int numPages) {
		TypedArray array = getContext().obtainStyledAttributes(
		new int[]{android.R.attr.colorControlActivated});
		int color = array.getColor(0, 0);
		array.recycle();
		setNumPages(numPages, color);
		}

		/** Oveload of setNumPages that allows the indicator color to be specified.*/
		public void setNumPages(int numPages, int color) {
		setVisibility(numPages > 1 ? View.VISIBLE : View.GONE);
		if (mAnimating) {
		Log.w(TAG, "setNumPages during animation");
		@@ -52,10 +61,6 @@ public class PageIndicator extends ViewGroup {
		while (numPages < getChildCount()) {
		removeViewAt(getChildCount() - 1);
		}
		TypedArray array = getContext().obtainStyledAttributes(
		new int[]{android.R.attr.colorControlActivated});
		int color = array.getColor(0, 0);
		array.recycle();
		while (numPages > getChildCount()) {
		ImageView v = new ImageView(mContext);
		v.setImageResource(R.drawable.minor_a_b);