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 com.android.internal.view.menu;
18
19
20import com.android.internal.view.menu.MenuBuilder.ItemInvoker;
21
22import android.content.Context;
23import android.content.res.TypedArray;
24import android.util.AttributeSet;
25import android.view.View;
26import android.widget.AdapterView;
27import android.widget.AdapterView.OnItemClickListener;
28import android.widget.ListView;
29
30/**
31 * The expanded menu view is a list-like menu with all of the available menu items.  It is opened
32 * by the user clicking no the 'More' button on the icon menu view.
33 */
34public final class ExpandedMenuView extends ListView implements ItemInvoker, MenuView, OnItemClickListener {
35    private MenuBuilder mMenu;
36
37    /** Default animations for this menu */
38    private int mAnimations;
39
40    /**
41     * Instantiates the ExpandedMenuView that is linked with the provided MenuBuilder.
42     * @param menu The model for the menu which this MenuView will display
43     */
44    public ExpandedMenuView(Context context, AttributeSet attrs) {
45        super(context, attrs);
46
47        TypedArray a = context.obtainStyledAttributes(attrs, com.android.internal.R.styleable.MenuView, 0, 0);
48        mAnimations = a.getResourceId(com.android.internal.R.styleable.MenuView_windowAnimationStyle, 0);
49        a.recycle();
50
51        setOnItemClickListener(this);
52    }
53
54    public void initialize(MenuBuilder menu) {
55        mMenu = menu;
56    }
57
58    @Override
59    protected void onDetachedFromWindow() {
60        super.onDetachedFromWindow();
61
62        // Clear the cached bitmaps of children
63        setChildrenDrawingCacheEnabled(false);
64    }
65
66    public boolean invokeItem(MenuItemImpl item) {
67        return mMenu.performItemAction(item, 0);
68    }
69
70    public void onItemClick(AdapterView parent, View v, int position, long id) {
71        invokeItem((MenuItemImpl) getAdapter().getItem(position));
72    }
73
74    public int getWindowAnimations() {
75        return mAnimations;
76    }
77
78}
79