1/*
2 * Copyright (C) 2013 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.support.v7.view.menu.MenuBuilder.ItemInvoker;
21import android.support.v7.widget.TintTypedArray;
22import android.util.AttributeSet;
23import android.view.View;
24import android.widget.AdapterView;
25import android.widget.AdapterView.OnItemClickListener;
26import android.widget.ListView;
27
28/**
29 * The expanded menu view is a list-like menu with all of the available menu items.  It is opened
30 * by the user clicking no the 'More' button on the icon menu view.
31 *
32 * @hide
33 */
34public final class ExpandedMenuView extends ListView
35        implements ItemInvoker, MenuView, OnItemClickListener {
36
37    private static final int[] TINT_ATTRS = {
38            android.R.attr.background,
39            android.R.attr.divider
40    };
41
42    private MenuBuilder mMenu;
43
44    /** Default animations for this menu */
45    private int mAnimations;
46
47    public ExpandedMenuView(Context context, AttributeSet attrs) {
48        this(context, attrs, android.R.attr.listViewStyle);
49    }
50
51    public ExpandedMenuView(Context context, AttributeSet attrs, int defStyleAttr) {
52        super(context, attrs);
53        setOnItemClickListener(this);
54
55        TintTypedArray a = TintTypedArray.obtainStyledAttributes(context, attrs, TINT_ATTRS,
56                defStyleAttr, 0);
57        if (a.hasValue(0)) {
58            setBackgroundDrawable(a.getDrawable(0));
59        }
60        if (a.hasValue(1)) {
61            setDivider(a.getDrawable(1));
62        }
63        a.recycle();
64    }
65
66    @Override
67    public void initialize(MenuBuilder menu) {
68        mMenu = menu;
69    }
70
71    @Override
72    protected void onDetachedFromWindow() {
73        super.onDetachedFromWindow();
74
75        // Clear the cached bitmaps of children
76        setChildrenDrawingCacheEnabled(false);
77    }
78
79    @Override
80    public boolean invokeItem(MenuItemImpl item) {
81        return mMenu.performItemAction(item, 0);
82    }
83
84    @Override
85    @SuppressWarnings("rawtypes")
86    public void onItemClick(AdapterView parent, View v, int position, long id) {
87        invokeItem((MenuItemImpl) getAdapter().getItem(position));
88    }
89
90    @Override
91    public int getWindowAnimations() {
92        return mAnimations;
93    }
94
95}
96