1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package androidx.appcompat.view.menu; 18 19import static androidx.annotation.RestrictTo.Scope.LIBRARY_GROUP; 20 21import android.content.Context; 22import android.graphics.drawable.Drawable; 23import android.view.Menu; 24import android.view.MenuItem; 25import android.view.SubMenu; 26import android.view.View; 27 28import androidx.annotation.RestrictTo; 29 30/** 31 * The model for a sub menu, which is an extension of the menu. Most methods are proxied to the 32 * parent menu. 33 * 34 * @hide 35 */ 36@RestrictTo(LIBRARY_GROUP) 37public class SubMenuBuilder extends MenuBuilder implements SubMenu { 38 private MenuBuilder mParentMenu; 39 private MenuItemImpl mItem; 40 41 public SubMenuBuilder(Context context, MenuBuilder parentMenu, MenuItemImpl item) { 42 super(context); 43 44 mParentMenu = parentMenu; 45 mItem = item; 46 } 47 48 @Override 49 public void setQwertyMode(boolean isQwerty) { 50 mParentMenu.setQwertyMode(isQwerty); 51 } 52 53 @Override 54 public boolean isQwertyMode() { 55 return mParentMenu.isQwertyMode(); 56 } 57 58 @Override 59 public void setShortcutsVisible(boolean shortcutsVisible) { 60 mParentMenu.setShortcutsVisible(shortcutsVisible); 61 } 62 63 @Override 64 public boolean isShortcutsVisible() { 65 return mParentMenu.isShortcutsVisible(); 66 } 67 68 public Menu getParentMenu() { 69 return mParentMenu; 70 } 71 72 @Override 73 public MenuItem getItem() { 74 return mItem; 75 } 76 77 @Override 78 public void setCallback(Callback callback) { 79 mParentMenu.setCallback(callback); 80 } 81 82 @Override 83 public MenuBuilder getRootMenu() { 84 return mParentMenu.getRootMenu(); 85 } 86 87 @Override 88 boolean dispatchMenuItemSelected(MenuBuilder menu, MenuItem item) { 89 return super.dispatchMenuItemSelected(menu, item) || 90 mParentMenu.dispatchMenuItemSelected(menu, item); 91 } 92 93 @Override 94 public SubMenu setIcon(Drawable icon) { 95 mItem.setIcon(icon); 96 return this; 97 } 98 99 @Override 100 public SubMenu setIcon(int iconRes) { 101 mItem.setIcon(iconRes); 102 return this; 103 } 104 105 @Override 106 public SubMenu setHeaderIcon(Drawable icon) { 107 return (SubMenu) super.setHeaderIconInt(icon); 108 } 109 110 @Override 111 public SubMenu setHeaderIcon(int iconRes) { 112 return (SubMenu) super.setHeaderIconInt(iconRes); 113 } 114 115 @Override 116 public SubMenu setHeaderTitle(CharSequence title) { 117 return (SubMenu) super.setHeaderTitleInt(title); 118 } 119 120 @Override 121 public SubMenu setHeaderTitle(int titleRes) { 122 return (SubMenu) super.setHeaderTitleInt(titleRes); 123 } 124 125 @Override 126 public SubMenu setHeaderView(View view) { 127 return (SubMenu) super.setHeaderViewInt(view); 128 } 129 130 @Override 131 public boolean expandItemActionView(MenuItemImpl item) { 132 return mParentMenu.expandItemActionView(item); 133 } 134 135 @Override 136 public boolean collapseItemActionView(MenuItemImpl item) { 137 return mParentMenu.collapseItemActionView(item); 138 } 139 140 @Override 141 public String getActionViewStatesKey() { 142 final int itemId = mItem != null ? mItem.getItemId() : 0; 143 if (itemId == 0) { 144 return null; 145 } 146 return super.getActionViewStatesKey() + ":" + itemId; 147 } 148 149 @Override 150 public void setGroupDividerEnabled(boolean groupDividerEnabled) { 151 mParentMenu.setGroupDividerEnabled(groupDividerEnabled); 152 } 153 154 @Override 155 public boolean isGroupDividerEnabled() { 156 return mParentMenu.isGroupDividerEnabled(); 157 } 158} 159