251 lines
8.5 KiB
Java
251 lines
8.5 KiB
Java
package androidx.appcompat.view.menu;
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import android.content.Context;
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import android.os.Bundle;
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import android.os.Parcelable;
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import android.util.SparseArray;
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import android.view.ContextThemeWrapper;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.AdapterView;
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import android.widget.BaseAdapter;
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import android.widget.ListAdapter;
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import androidx.annotation.RestrictTo;
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import androidx.appcompat.R;
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import androidx.appcompat.view.menu.MenuPresenter;
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import androidx.appcompat.view.menu.MenuView;
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import java.util.ArrayList;
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@RestrictTo({RestrictTo.Scope.LIBRARY_GROUP_PREFIX})
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public class ListMenuPresenter implements MenuPresenter, AdapterView.OnItemClickListener {
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private static final String TAG = "ListMenuPresenter";
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public static final String VIEWS_TAG = "android:menu:list";
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public MenuAdapter mAdapter;
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private MenuPresenter.Callback mCallback;
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public Context mContext;
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private int mId;
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public LayoutInflater mInflater;
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public int mItemIndexOffset;
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public int mItemLayoutRes;
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public MenuBuilder mMenu;
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public ExpandedMenuView mMenuView;
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public int mThemeRes;
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public class MenuAdapter extends BaseAdapter {
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private int mExpandedIndex = -1;
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public MenuAdapter() {
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findExpandedIndex();
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}
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public void findExpandedIndex() {
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MenuItemImpl expandedItem = ListMenuPresenter.this.mMenu.getExpandedItem();
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if (expandedItem != null) {
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ArrayList<MenuItemImpl> nonActionItems = ListMenuPresenter.this.mMenu.getNonActionItems();
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int size = nonActionItems.size();
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for (int i = 0; i < size; i++) {
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if (nonActionItems.get(i) == expandedItem) {
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this.mExpandedIndex = i;
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return;
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}
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}
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}
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this.mExpandedIndex = -1;
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}
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@Override // android.widget.Adapter
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public int getCount() {
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int size = ListMenuPresenter.this.mMenu.getNonActionItems().size() - ListMenuPresenter.this.mItemIndexOffset;
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return this.mExpandedIndex < 0 ? size : size - 1;
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}
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@Override // android.widget.Adapter
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public MenuItemImpl getItem(int i) {
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ArrayList<MenuItemImpl> nonActionItems = ListMenuPresenter.this.mMenu.getNonActionItems();
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int i2 = i + ListMenuPresenter.this.mItemIndexOffset;
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int i3 = this.mExpandedIndex;
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if (i3 >= 0 && i2 >= i3) {
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i2++;
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}
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return nonActionItems.get(i2);
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}
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@Override // android.widget.Adapter
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public long getItemId(int i) {
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return (long) i;
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}
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@Override // android.widget.Adapter
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public View getView(int i, View view, ViewGroup viewGroup) {
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if (view == null) {
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ListMenuPresenter listMenuPresenter = ListMenuPresenter.this;
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view = listMenuPresenter.mInflater.inflate(listMenuPresenter.mItemLayoutRes, viewGroup, false);
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}
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((MenuView.ItemView) view).initialize(getItem(i), 0);
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return view;
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}
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@Override // android.widget.BaseAdapter
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public void notifyDataSetChanged() {
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findExpandedIndex();
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super.notifyDataSetChanged();
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}
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}
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public ListMenuPresenter(int i, int i2) {
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this.mItemLayoutRes = i;
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this.mThemeRes = i2;
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}
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public ListMenuPresenter(Context context, int i) {
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this(i, 0);
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this.mContext = context;
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this.mInflater = LayoutInflater.from(context);
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}
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@Override // androidx.appcompat.view.menu.MenuPresenter
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public boolean collapseItemActionView(MenuBuilder menuBuilder, MenuItemImpl menuItemImpl) {
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return false;
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}
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@Override // androidx.appcompat.view.menu.MenuPresenter
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public boolean expandItemActionView(MenuBuilder menuBuilder, MenuItemImpl menuItemImpl) {
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return false;
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}
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@Override // androidx.appcompat.view.menu.MenuPresenter
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public boolean flagActionItems() {
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return false;
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}
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public ListAdapter getAdapter() {
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if (this.mAdapter == null) {
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this.mAdapter = new MenuAdapter();
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}
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return this.mAdapter;
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}
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@Override // androidx.appcompat.view.menu.MenuPresenter
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public int getId() {
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return this.mId;
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}
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public int getItemIndexOffset() {
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return this.mItemIndexOffset;
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}
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@Override // androidx.appcompat.view.menu.MenuPresenter
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public MenuView getMenuView(ViewGroup viewGroup) {
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if (this.mMenuView == null) {
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this.mMenuView = (ExpandedMenuView) this.mInflater.inflate(R.layout.abc_expanded_menu_layout, viewGroup, false);
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if (this.mAdapter == null) {
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this.mAdapter = new MenuAdapter();
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}
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this.mMenuView.setAdapter((ListAdapter) this.mAdapter);
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this.mMenuView.setOnItemClickListener(this);
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}
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return this.mMenuView;
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}
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@Override // androidx.appcompat.view.menu.MenuPresenter
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public void initForMenu(Context context, MenuBuilder menuBuilder) {
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if (this.mThemeRes != 0) {
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ContextThemeWrapper contextThemeWrapper = new ContextThemeWrapper(context, this.mThemeRes);
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this.mContext = contextThemeWrapper;
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this.mInflater = LayoutInflater.from(contextThemeWrapper);
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} else if (this.mContext != null) {
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this.mContext = context;
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if (this.mInflater == null) {
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this.mInflater = LayoutInflater.from(context);
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}
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}
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this.mMenu = menuBuilder;
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MenuAdapter menuAdapter = this.mAdapter;
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if (menuAdapter != null) {
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menuAdapter.notifyDataSetChanged();
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}
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}
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@Override // androidx.appcompat.view.menu.MenuPresenter
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public void onCloseMenu(MenuBuilder menuBuilder, boolean z2) {
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MenuPresenter.Callback callback = this.mCallback;
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if (callback != null) {
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callback.onCloseMenu(menuBuilder, z2);
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}
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}
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@Override // android.widget.AdapterView.OnItemClickListener
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public void onItemClick(AdapterView<?> adapterView, View view, int i, long j) {
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this.mMenu.performItemAction(this.mAdapter.getItem(i), this, 0);
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}
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@Override // androidx.appcompat.view.menu.MenuPresenter
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public void onRestoreInstanceState(Parcelable parcelable) {
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restoreHierarchyState((Bundle) parcelable);
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}
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@Override // androidx.appcompat.view.menu.MenuPresenter
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public Parcelable onSaveInstanceState() {
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if (this.mMenuView == null) {
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return null;
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}
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Bundle bundle = new Bundle();
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saveHierarchyState(bundle);
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return bundle;
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}
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@Override // androidx.appcompat.view.menu.MenuPresenter
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public boolean onSubMenuSelected(SubMenuBuilder subMenuBuilder) {
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if (!subMenuBuilder.hasVisibleItems()) {
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return false;
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}
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new MenuDialogHelper(subMenuBuilder).show(null);
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MenuPresenter.Callback callback = this.mCallback;
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if (callback == null) {
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return true;
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}
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callback.onOpenSubMenu(subMenuBuilder);
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return true;
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}
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public void restoreHierarchyState(Bundle bundle) {
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SparseArray<Parcelable> sparseParcelableArray = bundle.getSparseParcelableArray(VIEWS_TAG);
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if (sparseParcelableArray != null) {
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this.mMenuView.restoreHierarchyState(sparseParcelableArray);
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}
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}
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public void saveHierarchyState(Bundle bundle) {
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SparseArray<Parcelable> sparseArray = new SparseArray<>();
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ExpandedMenuView expandedMenuView = this.mMenuView;
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if (expandedMenuView != null) {
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expandedMenuView.saveHierarchyState(sparseArray);
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}
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bundle.putSparseParcelableArray(VIEWS_TAG, sparseArray);
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}
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@Override // androidx.appcompat.view.menu.MenuPresenter
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public void setCallback(MenuPresenter.Callback callback) {
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this.mCallback = callback;
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}
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public void setId(int i) {
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this.mId = i;
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}
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public void setItemIndexOffset(int i) {
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this.mItemIndexOffset = i;
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if (this.mMenuView != null) {
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updateMenuView(false);
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}
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}
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@Override // androidx.appcompat.view.menu.MenuPresenter
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public void updateMenuView(boolean z2) {
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MenuAdapter menuAdapter = this.mAdapter;
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if (menuAdapter != null) {
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menuAdapter.notifyDataSetChanged();
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}
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}
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}
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