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.annotation.RestrictTo;
21import android.support.v7.view.menu.MenuBuilder.ItemInvoker;
22import android.support.v7.widget.TintTypedArray;
23import android.util.AttributeSet;
24import android.view.View;
25import android.widget.AdapterView;
26import android.widget.AdapterView.OnItemClickListener;
27import android.widget.ListView;
28
29import static android.support.annotation.RestrictTo.Scope.GROUP_ID;
30
31/**
32 * The expanded menu view is a list-like menu with all of the available menu items.  It is opened
33 * by the user clicking no the 'More' button on the icon menu view.
34 *
35 * @hide
36 */
37@RestrictTo(GROUP_ID)
38public final class ExpandedMenuView extends ListView
39        implements ItemInvoker, MenuView, OnItemClickListener {
40
41    private static final int[] TINT_ATTRS = {
42            android.R.attr.background,
43            android.R.attr.divider
44    };
45
46    private MenuBuilder mMenu;
47
48    /** Default animations for this menu */
49    private int mAnimations;
50
51    public ExpandedMenuView(Context context, AttributeSet attrs) {
52        this(context, attrs, android.R.attr.listViewStyle);
53    }
54
55    public ExpandedMenuView(Context context, AttributeSet attrs, int defStyleAttr) {
56        super(context, attrs);
57        setOnItemClickListener(this);
58
59        TintTypedArray a = TintTypedArray.obtainStyledAttributes(context, attrs, TINT_ATTRS,
60                defStyleAttr, 0);
61        if (a.hasValue(0)) {
62            setBackgroundDrawable(a.getDrawable(0));
63        }
64        if (a.hasValue(1)) {
65            setDivider(a.getDrawable(1));
66        }
67        a.recycle();
68    }
69
70    @Override
71    public void initialize(MenuBuilder menu) {
72        mMenu = menu;
73    }
74
75    @Override
76    protected void onDetachedFromWindow() {
77        super.onDetachedFromWindow();
78
79        // Clear the cached bitmaps of children
80        setChildrenDrawingCacheEnabled(false);
81    }
82
83    @Override
84    public boolean invokeItem(MenuItemImpl item) {
85        return mMenu.performItemAction(item, 0);
86    }
87
88    @Override
89    @SuppressWarnings("rawtypes")
90    public void onItemClick(AdapterView parent, View v, int position, long id) {
91        invokeItem((MenuItemImpl) getAdapter().getItem(position));
92    }
93
94    @Override
95    public int getWindowAnimations() {
96        return mAnimations;
97    }
98
99}
100