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 android.support.v7.view.menu; 18 19import static android.support.annotation.RestrictTo.Scope.LIBRARY_GROUP; 20 21import android.content.Context; 22import android.graphics.drawable.Drawable; 23import android.support.annotation.RestrictTo; 24import android.view.Menu; 25import android.view.MenuItem; 26import android.view.SubMenu; 27import android.view.View; 28 29/** 30 * The model for a sub menu, which is an extension of the menu. Most methods are proxied to the 31 * parent menu. 32 * 33 * @hide 34 */ 35@RestrictTo(LIBRARY_GROUP) 36public class SubMenuBuilder extends MenuBuilder implements SubMenu { 37 private MenuBuilder mParentMenu; 38 private MenuItemImpl mItem; 39 40 public SubMenuBuilder(Context context, MenuBuilder parentMenu, MenuItemImpl item) { 41 super(context); 42 43 mParentMenu = parentMenu; 44 mItem = item; 45 } 46 47 @Override 48 public void setQwertyMode(boolean isQwerty) { 49 mParentMenu.setQwertyMode(isQwerty); 50 } 51 52 @Override 53 public boolean isQwertyMode() { 54 return mParentMenu.isQwertyMode(); 55 } 56 57 @Override 58 public void setShortcutsVisible(boolean shortcutsVisible) { 59 mParentMenu.setShortcutsVisible(shortcutsVisible); 60 } 61 62 @Override 63 public boolean isShortcutsVisible() { 64 return mParentMenu.isShortcutsVisible(); 65 } 66 67 public Menu getParentMenu() { 68 return mParentMenu; 69 } 70 71 @Override 72 public MenuItem getItem() { 73 return mItem; 74 } 75 76 @Override 77 public void setCallback(Callback callback) { 78 mParentMenu.setCallback(callback); 79 } 80 81 @Override 82 public MenuBuilder getRootMenu() { 83 return mParentMenu.getRootMenu(); 84 } 85 86 @Override 87 boolean dispatchMenuItemSelected(MenuBuilder menu, MenuItem item) { 88 return super.dispatchMenuItemSelected(menu, item) || 89 mParentMenu.dispatchMenuItemSelected(menu, item); 90 } 91 92 @Override 93 public SubMenu setIcon(Drawable icon) { 94 mItem.setIcon(icon); 95 return this; 96 } 97 98 @Override 99 public SubMenu setIcon(int iconRes) { 100 mItem.setIcon(iconRes); 101 return this; 102 } 103 104 @Override 105 public SubMenu setHeaderIcon(Drawable icon) { 106 return (SubMenu) super.setHeaderIconInt(icon); 107 } 108 109 @Override 110 public SubMenu setHeaderIcon(int iconRes) { 111 return (SubMenu) super.setHeaderIconInt(iconRes); 112 } 113 114 @Override 115 public SubMenu setHeaderTitle(CharSequence title) { 116 return (SubMenu) super.setHeaderTitleInt(title); 117 } 118 119 @Override 120 public SubMenu setHeaderTitle(int titleRes) { 121 return (SubMenu) super.setHeaderTitleInt(titleRes); 122 } 123 124 @Override 125 public SubMenu setHeaderView(View view) { 126 return (SubMenu) super.setHeaderViewInt(view); 127 } 128 129 @Override 130 public boolean expandItemActionView(MenuItemImpl item) { 131 return mParentMenu.expandItemActionView(item); 132 } 133 134 @Override 135 public boolean collapseItemActionView(MenuItemImpl item) { 136 return mParentMenu.collapseItemActionView(item); 137 } 138 139 @Override 140 public String getActionViewStatesKey() { 141 final int itemId = mItem != null ? mItem.getItemId() : 0; 142 if (itemId == 0) { 143 return null; 144 } 145 return super.getActionViewStatesKey() + ":" + itemId; 146 } 147} 148