[Media TTT] Don't show scrubbing times if we don't have the prev or next

button.

Bug: 209656742
Test: manual (verified that no next or prev button -> scrubbing times
not shown)
Test: atest MediaControlPanelTest

Change-Id: Iad44d2df9212ee34fa83f3272c2c1c2bd562df56

packages/SystemUI/src/com/android/systemui/media/MediaControlPanel.java

@@ -630,7 +630,7 @@ public class MediaControlPanel {
             for (int id : SEMANTIC_ACTIONS_ALL) {
                 ImageButton button = mMediaViewHolder.getAction(id);
                 MediaAction action = semanticActions.getActionById(id);
-                setSemanticButton(button, action);
+                setSemanticButton(button, action, semanticActions);
             }
         } else {
             // Hide buttons that only appear for semantic actions
@@ -699,7 +699,10 @@ public class MediaControlPanel {
         setVisibleAndAlpha(collapsedSet, button.getId(), visible && showInCompact);
     }
 
-    private void setSemanticButton(final ImageButton button, @Nullable MediaAction mediaAction) {
+    private void setSemanticButton(
+            final ImageButton button,
+            @Nullable MediaAction mediaAction,
+            MediaButton semanticActions) {
         AnimationBindHandler animHandler;
         if (button.getTag() == null) {
             animHandler = new AnimationBindHandler();
@@ -710,7 +713,7 @@ public class MediaControlPanel {
 
         animHandler.tryExecute(() -> {
             bindButtonWithAnimations(button, mediaAction, animHandler);
-            setSemanticButtonVisibleAndAlpha(button.getId(), mediaAction);
+            setSemanticButtonVisibleAndAlpha(button.getId(), mediaAction, semanticActions);
         });
     }
 
@@ -773,12 +776,14 @@ public class MediaControlPanel {
 
     private void setSemanticButtonVisibleAndAlpha(
             int buttonId,
-            MediaAction mediaAction) {
+            @Nullable MediaAction mediaAction,
+            MediaButton semanticActions) {
         ConstraintSet collapsedSet = mMediaViewController.getCollapsedLayout();
         ConstraintSet expandedSet = mMediaViewController.getExpandedLayout();
         boolean showInCompact = SEMANTIC_ACTIONS_COMPACT.contains(buttonId);
         boolean hideWhenScrubbing = SEMANTIC_ACTIONS_HIDE_WHEN_SCRUBBING.contains(buttonId);
-        boolean shouldBeHiddenDueToScrubbing = hideWhenScrubbing && mIsScrubbing;
+        boolean shouldBeHiddenDueToScrubbing =
+                scrubbingTimeViewsEnabled(semanticActions) && hideWhenScrubbing && mIsScrubbing;
         boolean visible = mediaAction != null && !shouldBeHiddenDueToScrubbing;
 
         setVisibleAndAlpha(expandedSet, buttonId, visible);
@@ -791,7 +796,8 @@ public class MediaControlPanel {
         // Update visibilities of the scrubbing time views and the scrubbing-dependent buttons.
         bindScrubbingTime(mMediaData);
         SEMANTIC_ACTIONS_HIDE_WHEN_SCRUBBING.forEach((id) ->
-                setSemanticButtonVisibleAndAlpha(id, semanticActions.getActionById(id)));
+                setSemanticButtonVisibleAndAlpha(
+                        id, semanticActions.getActionById(id), semanticActions));
         // Trigger a state refresh so that we immediately update visibilities.
         mMediaViewController.refreshState();
     }
@@ -802,7 +808,7 @@ public class MediaControlPanel {
         int elapsedTimeId = mMediaViewHolder.getScrubbingElapsedTimeView().getId();
         int totalTimeId = mMediaViewHolder.getScrubbingTotalTimeView().getId();
 
-        boolean visible = data.getSemanticActions() != null && mIsScrubbing;
+        boolean visible = scrubbingTimeViewsEnabled(data.getSemanticActions()) && mIsScrubbing;
         setVisibleAndAlpha(expandedSet, elapsedTimeId, visible);
         setVisibleAndAlpha(expandedSet, totalTimeId, visible);
         // Never show in collapsed
@@ -810,6 +816,14 @@ public class MediaControlPanel {
         setVisibleAndAlpha(collapsedSet, totalTimeId, false);
     }
 
+    private boolean scrubbingTimeViewsEnabled(@Nullable MediaButton semanticActions) {
+        // The scrubbing time views replace the SEMANTIC_ACTIONS_HIDE_WHEN_SCRUBBING action views,
+        // so we should only allow scrubbing times to be shown if those action views are present.
+        return semanticActions != null && SEMANTIC_ACTIONS_HIDE_WHEN_SCRUBBING.stream().allMatch(
+                id -> semanticActions.getActionById(id) != null
+        );
+    }
+
     // AnimationBindHandler is responsible for tracking the bound animation state and preventing
     // jank and conflicts due to media notifications arriving at any time during an animation. It
     // does this in two parts.

packages/SystemUI/tests/src/com/android/systemui/media/MediaControlPanelTest.kt

@@ -413,10 +413,52 @@ public class MediaControlPanelTest : SysuiTestCase() {
         listener.onScrubbingChanged(true)
         mainExecutor.runAllReady()
 
+        verify(expandedSet, never()).setVisibility(eq(R.id.actionPrev), anyInt())
+        verify(expandedSet, never()).setVisibility(eq(R.id.actionNext), anyInt())
         verify(expandedSet, never()).setVisibility(eq(R.id.media_scrubbing_elapsed_time), anyInt())
         verify(expandedSet, never()).setVisibility(eq(R.id.media_scrubbing_total_time), anyInt())
     }
 
+    @Test
+    fun setIsScrubbing_noPrevButton_scrubbingTimesNotShown() {
+        val icon = context.getDrawable(android.R.drawable.ic_media_play)
+        val semanticActions = MediaButton(
+            prevOrCustom = null,
+            nextOrCustom = MediaAction(icon, {}, "next", null),
+        )
+        val state = mediaData.copy(semanticActions = semanticActions)
+        player.attachPlayer(viewHolder)
+        player.bindPlayer(state, PACKAGE)
+        reset(expandedSet)
+
+        getScrubbingChangeListener().onScrubbingChanged(true)
+        mainExecutor.runAllReady()
+
+        verify(expandedSet).setVisibility(R.id.actionNext, View.VISIBLE)
+        verify(expandedSet).setVisibility(R.id.media_scrubbing_elapsed_time, View.GONE)
+        verify(expandedSet).setVisibility(R.id.media_scrubbing_total_time, View.GONE)
+    }
+
+    @Test
+    fun setIsScrubbing_noNextButton_scrubbingTimesNotShown() {
+        val icon = context.getDrawable(android.R.drawable.ic_media_play)
+        val semanticActions = MediaButton(
+            prevOrCustom = MediaAction(icon, {}, "prev", null),
+            nextOrCustom = null,
+        )
+        val state = mediaData.copy(semanticActions = semanticActions)
+        player.attachPlayer(viewHolder)
+        player.bindPlayer(state, PACKAGE)
+        reset(expandedSet)
+
+        getScrubbingChangeListener().onScrubbingChanged(true)
+        mainExecutor.runAllReady()
+
+        verify(expandedSet).setVisibility(R.id.actionPrev, View.VISIBLE)
+        verify(expandedSet).setVisibility(R.id.media_scrubbing_elapsed_time, View.GONE)
+        verify(expandedSet).setVisibility(R.id.media_scrubbing_total_time, View.GONE)
+    }
+
     @Test
     fun setIsScrubbing_true_scrubbingViewsShownAndPrevNextHiddenOnlyInExpanded() {
         val icon = context.getDrawable(android.R.drawable.ic_media_play)