[Carousel] Cleaning up multi-browse strategy and removing compact arrangement

PiperOrigin-RevId: 572006115

Author: imhappi

catalog/java/io/material/catalog/carousel/MultiBrowseCarouselDemoFragment.java

@@ -28,7 +28,6 @@
 import androidx.annotation.Nullable;
 import com.google.android.material.carousel.CarouselLayoutManager;
 import com.google.android.material.carousel.CarouselSnapHelper;
-import com.google.android.material.carousel.MultiBrowseCarouselStrategy;
 import com.google.android.material.divider.MaterialDividerItemDecoration;
 import com.google.android.material.materialswitch.MaterialSwitch;
 import com.google.android.material.slider.Slider;
@@ -59,7 +58,6 @@ public void onViewCreated(@NonNull View view, @Nullable Bundle bundle) {
             requireContext(), MaterialDividerItemDecoration.HORIZONTAL);
 
     MaterialSwitch debugSwitch = view.findViewById(R.id.debug_switch);
-    MaterialSwitch forceCompactSwitch = view.findViewById(R.id.force_compact_arrangement_switch);
     MaterialSwitch drawDividers = view.findViewById(R.id.draw_dividers_switch);
     MaterialSwitch snapSwitch = view.findViewById(R.id.snap_switch);
     AutoCompleteTextView itemCountDropdown = view.findViewById(R.id.item_count_dropdown);
@@ -82,11 +80,6 @@ public void onViewCreated(@NonNull View view, @Nullable Bundle bundle) {
               multiBrowseStartRecyclerView, isChecked);
         });
 
-    forceCompactSwitch.setOnCheckedChangeListener(
-        (buttonView, isChecked) ->
-            multiBrowseStartCarouselLayoutManager.setCarouselStrategy(
-                new MultiBrowseCarouselStrategy(isChecked)));
-
     drawDividers.setOnCheckedChangeListener(
         (buttonView, isChecked) -> {
           if (isChecked) {

catalog/java/io/material/catalog/carousel/res/layout/cat_carousel_multi_browse_fragment.xml

@@ -49,16 +49,6 @@
       android:textAppearance="?attr/textAppearanceBodyLarge"
       android:text="@string/cat_carousel_debug_mode_label"/>
 
-    <com.google.android.material.materialswitch.MaterialSwitch
-      android:id="@+id/force_compact_arrangement_switch"
-      android:layout_width="match_parent"
-      android:layout_height="wrap_content"
-      android:checked="false"
-      android:layout_marginHorizontal="16dp"
-      android:layout_marginVertical="8dp"
-      android:textAppearance="?attr/textAppearanceBodyLarge"
-      android:text="@string/cat_carousel_force_compact_arrangement_label"/>
-
     <com.google.android.material.materialswitch.MaterialSwitch
       android:id="@+id/draw_dividers_switch"
       android:layout_width="match_parent"

catalog/java/io/material/catalog/carousel/res/values/strings.xml

@@ -17,7 +17,6 @@
 
 <resources>
   <string name="cat_carousel_debug_mode_label" translatable="false">Debug mode</string>
-  <string name="cat_carousel_force_compact_arrangement_label" translatable="false">Force compact arrangement</string>
   <string name="cat_carousel_draw_dividers_label" translatable="false">Draw dividers</string>
   <string name="cat_carousel_enable_snap_label" description="The title of a switch to enable snapping to carousel items.[CHAR_LIMIT=NONE]">Enable Snap</string>
   <string name="cat_carousel_enable_fling_label" description="The title of a switch to enable the flinging gesture.[CHAR_LIMIT=NONE]">Enable fling</string>

lib/java/com/google/android/material/carousel/MultiBrowseCarouselStrategy.java

@@ -28,8 +28,6 @@
 import androidx.recyclerview.widget.RecyclerView.LayoutParams;
 import android.view.View;
 import androidx.annotation.NonNull;
-import androidx.annotation.RestrictTo;
-import androidx.annotation.RestrictTo.Scope;
 import androidx.core.math.MathUtils;
 
 /**
@@ -54,31 +52,6 @@ public final class MultiBrowseCarouselStrategy extends CarouselStrategy {
 
   private static final int[] SMALL_COUNTS = new int[] {1};
   private static final int[] MEDIUM_COUNTS = new int[] {1, 0};
-  private static final int[] MEDIUM_COUNTS_COMPACT = new int[] {0};
-
-  // True if medium items should never be added and arrangements should consist of only large and
-  // small items. This will often result in a greater number of large items but more variability in
-  // large item size. This can be desirable when optimizing for the greatest number of fully
-  // unmasked items visible at once.
-  // TODO(b/274604170): Remove this option
-  private final boolean forceCompactArrangement;
-
-  public MultiBrowseCarouselStrategy() {
-    this(false);
-  }
-
-  /**
-   * Create a new instance of {@link MultiBrowseCarouselStrategy}.
-   *
-   * @param forceCompactArrangement true if items should be fit in a way that maximizes the number
-   *     of large, unmasked items. false if this strategy is free to determine an opinionated
-   *     balance between item sizes.
-   * @hide
-   */
-  @RestrictTo(Scope.LIBRARY_GROUP)
-  public MultiBrowseCarouselStrategy(boolean forceCompactArrangement) {
-    this.forceCompactArrangement = forceCompactArrangement;
-  }
 
   @Override
   @NonNull
@@ -125,7 +98,7 @@ KeylineState onFirstChildMeasuredWithMargins(@NonNull Carousel carousel, @NonNul
       smallCounts = new int[] { 0 };
     }
 
-    int[] mediumCounts = forceCompactArrangement ? MEDIUM_COUNTS_COMPACT : MEDIUM_COUNTS;
+    int[] mediumCounts = MEDIUM_COUNTS;
     if (carousel.getCarouselAlignment() == CarouselLayoutManager.ALIGNMENT_CENTER) {
       smallCounts = doubleCounts(smallCounts);
       mediumCounts = doubleCounts(mediumCounts);