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 android.content.Context; 20import android.graphics.drawable.Drawable; 21import android.support.v4.content.ContextCompat; 22import android.view.Menu; 23import android.view.MenuItem; 24import android.view.SubMenu; 25import android.view.View; 26 27/** 28 * The model for a sub menu, which is an extension of the menu. Most methods are proxied to the 29 * parent menu. 30 * 31 * @hide 32 */ 33public class SubMenuBuilder extends MenuBuilder implements SubMenu { 34 private MenuBuilder mParentMenu; 35 private MenuItemImpl mItem; 36 37 public SubMenuBuilder(Context context, MenuBuilder parentMenu, MenuItemImpl item) { 38 super(context); 39 40 mParentMenu = parentMenu; 41 mItem = item; 42 } 43 44 @Override 45 public void setQwertyMode(boolean isQwerty) { 46 mParentMenu.setQwertyMode(isQwerty); 47 } 48 49 @Override 50 public boolean isQwertyMode() { 51 return mParentMenu.isQwertyMode(); 52 } 53 54 @Override 55 public void setShortcutsVisible(boolean shortcutsVisible) { 56 mParentMenu.setShortcutsVisible(shortcutsVisible); 57 } 58 59 @Override 60 public boolean isShortcutsVisible() { 61 return mParentMenu.isShortcutsVisible(); 62 } 63 64 public Menu getParentMenu() { 65 return mParentMenu; 66 } 67 68 public MenuItem getItem() { 69 return mItem; 70 } 71 72 @Override 73 public void setCallback(Callback callback) { 74 mParentMenu.setCallback(callback); 75 } 76 77 @Override 78 public MenuBuilder getRootMenu() { 79 return mParentMenu.getRootMenu(); 80 } 81 82 @Override 83 boolean dispatchMenuItemSelected(MenuBuilder menu, MenuItem item) { 84 return super.dispatchMenuItemSelected(menu, item) || 85 mParentMenu.dispatchMenuItemSelected(menu, item); 86 } 87 88 public SubMenu setIcon(Drawable icon) { 89 mItem.setIcon(icon); 90 return this; 91 } 92 93 public SubMenu setIcon(int iconRes) { 94 mItem.setIcon(iconRes); 95 return this; 96 } 97 98 public SubMenu setHeaderIcon(Drawable icon) { 99 return (SubMenu) super.setHeaderIconInt(icon); 100 } 101 102 public SubMenu setHeaderIcon(int iconRes) { 103 return (SubMenu) super.setHeaderIconInt(iconRes); 104 } 105 106 public SubMenu setHeaderTitle(CharSequence title) { 107 return (SubMenu) super.setHeaderTitleInt(title); 108 } 109 110 public SubMenu setHeaderTitle(int titleRes) { 111 return (SubMenu) super.setHeaderTitleInt(titleRes); 112 } 113 114 public SubMenu setHeaderView(View view) { 115 return (SubMenu) super.setHeaderViewInt(view); 116 } 117 118 @Override 119 public boolean expandItemActionView(MenuItemImpl item) { 120 return mParentMenu.expandItemActionView(item); 121 } 122 123 @Override 124 public boolean collapseItemActionView(MenuItemImpl item) { 125 return mParentMenu.collapseItemActionView(item); 126 } 127 128 @Override 129 public String getActionViewStatesKey() { 130 final int itemId = mItem != null ? mItem.getItemId() : 0; 131 if (itemId == 0) { 132 return null; 133 } 134 return super.getActionViewStatesKey() + ":" + itemId; 135 } 136} 137