Delete the unused code from popup provider

Test: Existing tests
Flag: EXEMPT minor refactoring
Bug: 353347512
Change-Id: Iff81e5dc46542da2d59dfa4f54bd8fc06851a9c1
diff --git a/src/com/android/launcher3/popup/PopupDataProvider.java b/src/com/android/launcher3/popup/PopupDataProvider.java
index 7e139c3..8a5e388 100644
--- a/src/com/android/launcher3/popup/PopupDataProvider.java
+++ b/src/com/android/launcher3/popup/PopupDataProvider.java
@@ -24,28 +24,20 @@
 import androidx.annotation.Nullable;
 
 import com.android.launcher3.dot.DotInfo;
-import com.android.launcher3.model.WidgetItem;
 import com.android.launcher3.model.data.ItemInfo;
 import com.android.launcher3.notification.NotificationKeyData;
 import com.android.launcher3.notification.NotificationListener;
 import com.android.launcher3.util.ComponentKey;
 import com.android.launcher3.util.PackageUserKey;
 import com.android.launcher3.util.ShortcutUtil;
-import com.android.launcher3.widget.PendingAddWidgetInfo;
-import com.android.launcher3.widget.model.WidgetsListBaseEntry;
-import com.android.launcher3.widget.model.WidgetsListContentEntry;
-import com.android.launcher3.widget.picker.WidgetRecommendationCategory;
 
 import java.io.PrintWriter;
 import java.util.Arrays;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
-import java.util.Objects;
 import java.util.function.Consumer;
-import java.util.function.Function;
 import java.util.function.Predicate;
-import java.util.stream.Collectors;
 
 /**
  * Provides data for the popup menu that appears after long-clicking on apps.
@@ -62,18 +54,6 @@
     /** Maps packages to their DotInfo's . */
     private Map<PackageUserKey, DotInfo> mPackageUserToDotInfos = new HashMap<>();
 
-    /** All installed widgets. */
-    private List<WidgetsListBaseEntry> mAllWidgets = List.of();
-    /**
-     * Selectively chosen installed widgets which may be preferred for default display over the list
-     * of all widgets.
-     */
-    private List<WidgetsListBaseEntry> mDefaultWidgets = List.of();
-    /** Widgets that can be recommended to the users. */
-    private List<ItemInfo> mRecommendedWidgets = List.of();
-
-    private PopupDataChangeListener mChangeListener = PopupDataChangeListener.INSTANCE;
-
     public PopupDataProvider(Consumer<Predicate<PackageUserKey>> notificationDotsChangeListener) {
         mNotificationDotsChangeListener = notificationDotsChangeListener;
     }
@@ -188,124 +168,8 @@
         })) ? dotInfo : null;
     }
 
-    /**
-     * Sets a list of recommended widgets ordered by their order of appearance in the widgets
-     * recommendation UI.
-     */
-    public void setRecommendedWidgets(List<ItemInfo> recommendedWidgets) {
-        mRecommendedWidgets = recommendedWidgets;
-        mChangeListener.onRecommendedWidgetsBound();
-    }
-
-    public void setAllWidgets(List<WidgetsListBaseEntry> allWidgets) {
-        mAllWidgets = allWidgets;
-        mDefaultWidgets = List.of();
-        mChangeListener.onWidgetsBound();
-    }
-
-    /**
-     * Sets the list of widgets to be displayed by default and a complete list that can be displayed
-     * when user chooses to show all widgets.
-     */
-    public void setAllWidgets(List<WidgetsListBaseEntry> allWidgets,
-            List<WidgetsListBaseEntry> defaultWidgets) {
-        mAllWidgets = allWidgets;
-        mDefaultWidgets = defaultWidgets;
-        mChangeListener.onWidgetsBound();
-    }
-
-    public void setChangeListener(PopupDataChangeListener listener) {
-        mChangeListener = listener == null ? PopupDataChangeListener.INSTANCE : listener;
-    }
-
-    public List<WidgetsListBaseEntry> getAllWidgets() {
-        return mAllWidgets;
-    }
-
-    /**
-     * Returns a "selectively" chosen list of widgets that may be preferred to be shown by default
-     * instead of a complete list.
-     */
-    public List<WidgetsListBaseEntry> getDefaultWidgets() {
-        return mDefaultWidgets;
-    }
-
-    /** Returns a list of recommended widgets. */
-    public List<WidgetItem> getRecommendedWidgets() {
-        HashMap<ComponentKey, WidgetItem> allWidgetItems = new HashMap<>();
-        mAllWidgets.stream()
-                .filter(entry -> entry instanceof WidgetsListContentEntry)
-                .forEach(entry -> ((WidgetsListContentEntry) entry).mWidgets
-                        .forEach(widget -> allWidgetItems.put(
-                                new ComponentKey(widget.componentName, widget.user), widget)));
-        return mRecommendedWidgets.stream()
-                .map(recommendedWidget -> allWidgetItems.get(
-                        new ComponentKey(recommendedWidget.getTargetComponent(),
-                                recommendedWidget.user)))
-                .filter(Objects::nonNull)
-                .collect(Collectors.toList());
-    }
-
-    /** Returns the recommended widgets mapped by their category. */
-    @NonNull
-    public Map<WidgetRecommendationCategory, List<WidgetItem>> getCategorizedRecommendedWidgets() {
-        Map<ComponentKey, WidgetItem> allWidgetItems = mAllWidgets.stream()
-                .filter(entry -> entry instanceof WidgetsListContentEntry)
-                .flatMap(entry -> entry.mWidgets.stream())
-                .distinct()
-                .collect(Collectors.toMap(
-                        widget -> new ComponentKey(widget.componentName, widget.user),
-                        Function.identity()
-                ));
-        return mRecommendedWidgets.stream()
-                .filter(itemInfo -> itemInfo instanceof PendingAddWidgetInfo
-                        && ((PendingAddWidgetInfo) itemInfo).recommendationCategory != null)
-                .collect(Collectors.groupingBy(
-                        it -> ((PendingAddWidgetInfo) it).recommendationCategory,
-                        Collectors.collectingAndThen(
-                                Collectors.toList(),
-                                list -> list.stream()
-                                        .map(it -> allWidgetItems.get(
-                                                new ComponentKey(it.getTargetComponent(),
-                                                        it.user)))
-                                        .filter(Objects::nonNull)
-                                        .collect(Collectors.toList())
-                        )
-                ));
-    }
-
-    public List<WidgetItem> getWidgetsForPackageUser(PackageUserKey packageUserKey) {
-        return mAllWidgets.stream()
-                .filter(row -> row instanceof WidgetsListContentEntry
-                        && row.mPkgItem.packageName.equals(packageUserKey.mPackageName))
-                .flatMap(row -> ((WidgetsListContentEntry) row).mWidgets.stream())
-                .filter(widget -> packageUserKey.mUser.equals(widget.user))
-                .collect(Collectors.toList());
-    }
-
-    /** Gets the WidgetsListContentEntry for the currently selected header. */
-    public WidgetsListContentEntry getSelectedAppWidgets(PackageUserKey packageUserKey,
-            boolean useDefault) {
-        List<WidgetsListBaseEntry> widgets = useDefault ? mDefaultWidgets : mAllWidgets;
-        return (WidgetsListContentEntry) widgets.stream()
-                .filter(row -> row instanceof WidgetsListContentEntry
-                        && PackageUserKey.fromPackageItemInfo(row.mPkgItem).equals(packageUserKey))
-                .findAny()
-                .orElse(null);
-    }
-
     public void dump(String prefix, PrintWriter writer) {
         writer.println(prefix + "PopupDataProvider:");
         writer.println(prefix + "\tmPackageUserToDotInfos:" + mPackageUserToDotInfos);
     }
-
-    public interface PopupDataChangeListener {
-
-        PopupDataChangeListener INSTANCE = new PopupDataChangeListener() { };
-
-        default void onWidgetsBound() { }
-
-        /** A callback to get notified when recommended widgets are bound. */
-        default void onRecommendedWidgetsBound() { }
-    }
 }