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