Merge "Avoid media players inflations while changing orientation" into tm-qpr-dev

packages/SystemUI/src/com/android/systemui/media/controls/ui/MediaCarouselController.kt

@@ -197,7 +197,6 @@ constructor(
 
     private val configListener =
         object : ConfigurationController.ConfigurationListener {
-            var lastOrientation = -1
 
             override fun onDensityOrFontScaleChanged() {
                 // System font changes should only happen when UMO is offscreen or a flicker may
@@ -214,13 +213,6 @@ constructor(
             override fun onConfigChanged(newConfig: Configuration?) {
                 if (newConfig == null) return
                 isRtl = newConfig.layoutDirection == View.LAYOUT_DIRECTION_RTL
-                val newOrientation = newConfig.orientation
-                if (lastOrientation != newOrientation) {
-                    // The players actually depend on the orientation possibly, so we have to
-                    // recreate them (at least on large screen devices)
-                    lastOrientation = newOrientation
-                    updatePlayers(recreateMedia = true)
-                }
             }
 
             override fun onUiModeChanged() {

packages/SystemUI/src/com/android/systemui/media/controls/ui/MediaViewController.kt

@@ -154,9 +154,11 @@ constructor(
             return transitionLayout?.translationY ?: 0.0f
         }
 
-    /** A callback for RTL config changes */
+    /** A callback for config changes */
     private val configurationListener =
         object : ConfigurationController.ConfigurationListener {
+            var lastOrientation = -1
+
             override fun onConfigChanged(newConfig: Configuration?) {
                 // Because the TransitionLayout is not always attached (and calculates/caches layout
                 // results regardless of attach state), we have to force the layoutDirection of the
@@ -169,6 +171,13 @@ constructor(
                         transitionLayout?.layoutDirection = layoutDirection
                         refreshState()
                     }
+                    val newOrientation = newConfig.orientation
+                    if (lastOrientation != newOrientation) {
+                        // Layout dimensions are possibly changing, so we need to update them. (at
+                        // least on large screen devices)
+                        lastOrientation = newOrientation
+                        loadLayoutForType(type)
+                    }
                 }
             }
         }
@@ -195,13 +204,14 @@ constructor(
      * The expanded constraint set used to render a expanded player. If it is modified, make sure to
      * call [refreshState]
      */
-    val collapsedLayout = ConstraintSet()
-
+    var collapsedLayout = ConstraintSet()
+        @VisibleForTesting set
     /**
      * The expanded constraint set used to render a collapsed player. If it is modified, make sure
      * to call [refreshState]
      */
-    val expandedLayout = ConstraintSet()
+    var expandedLayout = ConstraintSet()
+        @VisibleForTesting set
 
     /** Whether the guts are visible for the associated player. */
     var isGutsVisible = false
@@ -483,7 +493,7 @@ constructor(
      */
     fun attach(transitionLayout: TransitionLayout, type: TYPE) =
         traceSection("MediaViewController#attach") {
-            updateMediaViewControllerType(type)
+            loadLayoutForType(type)
             logger.logMediaLocation("attach $type", currentStartLocation, currentEndLocation)
             this.transitionLayout = transitionLayout
             layoutController.attach(transitionLayout)
@@ -641,7 +651,7 @@ constructor(
         return result
     }
 
-    private fun updateMediaViewControllerType(type: TYPE) {
+    private fun loadLayoutForType(type: TYPE) {
         this.type = type
 
         // These XML resources contain ConstraintSets that will apply to this player type's layout

packages/SystemUI/tests/src/com/android/systemui/media/controls/ui/MediaCarouselControllerTest.kt

@@ -18,7 +18,6 @@ package com.android.systemui.media.controls.ui
 
 import android.app.PendingIntent
 import android.content.res.ColorStateList
-import android.content.res.Configuration
 import android.testing.AndroidTestingRunner
 import android.testing.TestableLooper
 import android.util.MathUtils.abs
@@ -684,46 +683,6 @@ class MediaCarouselControllerTest : SysuiTestCase() {
         verify(pageIndicator).alpha = floatThat { abs(it - 1.0F) < delta }
     }
 
-    @Test
-    fun testOnConfigChanged_playersAreAddedBack() {
-        mediaCarouselController.pageIndicator = pageIndicator
-
-        listener.value.onMediaDataLoaded(
-            "playing local",
-            null,
-            DATA.copy(
-                active = true,
-                isPlaying = true,
-                playbackLocation = MediaData.PLAYBACK_LOCAL,
-                resumption = false
-            )
-        )
-        listener.value.onMediaDataLoaded(
-            "paused local",
-            null,
-            DATA.copy(
-                active = true,
-                isPlaying = false,
-                playbackLocation = MediaData.PLAYBACK_LOCAL,
-                resumption = false
-            )
-        )
-        runAllReady()
-
-        val playersSize = MediaPlayerData.players().size
-
-        configListener.value.onConfigChanged(Configuration())
-        runAllReady()
-
-        verify(pageIndicator).tintList =
-            ColorStateList.valueOf(context.getColor(R.color.media_paging_indicator))
-        assertEquals(playersSize, MediaPlayerData.players().size)
-        assertEquals(
-            MediaPlayerData.getMediaPlayerIndex("playing local"),
-            mediaCarouselController.mediaCarouselScrollHandler.visibleMediaIndex
-        )
-    }
-
     @Test
     fun testOnUiModeChanged_playersAreAddedBack() {
         mediaCarouselController.pageIndicator = pageIndicator

packages/SystemUI/tests/src/com/android/systemui/media/controls/ui/MediaViewControllerTest.kt

@@ -16,9 +16,12 @@
 
 package com.android.systemui.media.controls.ui
 
+import android.content.res.Configuration
+import android.content.res.Configuration.ORIENTATION_LANDSCAPE
 import android.testing.AndroidTestingRunner
 import android.testing.TestableLooper
 import android.view.View
+import androidx.constraintlayout.widget.ConstraintSet
 import androidx.test.filters.SmallTest
 import com.android.systemui.R
 import com.android.systemui.SysuiTestCase
@@ -58,6 +61,8 @@ class MediaViewControllerTest : SysuiTestCase() {
     @Mock private lateinit var mediaSubTitleWidgetState: WidgetState
     @Mock private lateinit var mediaContainerWidgetState: WidgetState
     @Mock private lateinit var mediaFlags: MediaFlags
+    @Mock private lateinit var expandedLayout: ConstraintSet
+    @Mock private lateinit var collapsedLayout: ConstraintSet
 
     val delta = 0.1F
 
@@ -76,6 +81,19 @@ class MediaViewControllerTest : SysuiTestCase() {
             )
     }
 
+    @Test
+    fun testOrientationChanged_layoutsAreLoaded() {
+        mediaViewController.expandedLayout = expandedLayout
+        mediaViewController.collapsedLayout = collapsedLayout
+
+        val newConfig = Configuration()
+        newConfig.orientation = ORIENTATION_LANDSCAPE
+        configurationController.onConfigurationChanged(newConfig)
+
+        verify(expandedLayout).load(context, R.xml.media_session_expanded)
+        verify(collapsedLayout).load(context, R.xml.media_session_collapsed)
+    }
+
     @Test
     fun testObtainViewState_applySquishFraction_toPlayerTransitionViewState_height() {
         mediaViewController.attach(player, MediaViewController.TYPE.PLAYER)