ActionMenuItemView.java revision 00df32d4396a65752b7b9a2f8ceb6292ed2384cf 
1/*
2 * Copyright (C) 2010 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
19import android.content.Context;
20import android.graphics.drawable.Drawable;
21import android.util.AttributeSet;
22import android.view.View;
23import android.widget.Button;
24import android.widget.FrameLayout;
25import android.widget.ImageButton;
26
27/**
28 * @hide
29 */
30public class ActionMenuItemView extends FrameLayout
31        implements MenuView.ItemView, View.OnClickListener {
32    private static final String TAG = "ActionMenuItemView";
33
34    private MenuItemImpl mItemData;
35    private CharSequence mTitle;
36    private MenuBuilder.ItemInvoker mItemInvoker;
37
38    private ImageButton mImageButton;
39    private Button mTextButton;
40
41    public ActionMenuItemView(Context context) {
42        this(context, null);
43    }
44
45    public ActionMenuItemView(Context context, AttributeSet attrs) {
46        this(context, attrs, com.android.internal.R.attr.actionButtonStyle);
47    }
48
49    public ActionMenuItemView(Context context, AttributeSet attrs, int defStyle) {
50        super(context, attrs, defStyle);
51    }
52
53    @Override
54    public void onFinishInflate() {
55        mImageButton = (ImageButton) findViewById(com.android.internal.R.id.imageButton);
56        mTextButton = (Button) findViewById(com.android.internal.R.id.textButton);
57        mImageButton.setOnClickListener(this);
58        mTextButton.setOnClickListener(this);
59    }
60
61    public MenuItemImpl getItemData() {
62        return mItemData;
63    }
64
65    public void initialize(MenuItemImpl itemData, int menuType) {
66        mItemData = itemData;
67
68        setClickable(true);
69        setFocusable(true);
70        setIcon(itemData.getIcon());
71        setTitle(itemData.getTitle()); // Title only takes effect if there is no icon
72        setId(itemData.getItemId());
73
74        setVisibility(itemData.isVisible() ? View.VISIBLE : View.GONE);
75        setEnabled(itemData.isEnabled());
76    }
77
78    @Override
79    public void setEnabled(boolean enabled) {
80        super.setEnabled(enabled);
81        mImageButton.setEnabled(enabled);
82        mTextButton.setEnabled(enabled);
83    }
84
85    public void onClick(View v) {
86        if (mItemInvoker != null) {
87            mItemInvoker.invokeItem(mItemData);
88        }
89    }
90
91    public void setItemInvoker(MenuBuilder.ItemInvoker invoker) {
92        mItemInvoker = invoker;
93    }
94
95    public boolean prefersCondensedTitle() {
96        return false;
97    }
98
99    public void setCheckable(boolean checkable) {
100        // TODO Support checkable action items
101    }
102
103    public void setChecked(boolean checked) {
104        // TODO Support checkable action items
105    }
106
107    public void setIcon(Drawable icon) {
108        mImageButton.setImageDrawable(icon);
109        if (icon != null) {
110            mImageButton.setVisibility(VISIBLE);
111            mTextButton.setVisibility(GONE);
112        } else {
113            mImageButton.setVisibility(GONE);
114        }
115    }
116
117    public void setShortcut(boolean showShortcut, char shortcutKey) {
118        // Action buttons don't show text for shortcut keys.
119    }
120
121    public void setTitle(CharSequence title) {
122        mTitle = title;
123
124        // populate accessibility description with title
125        setContentDescription(title);
126
127        if (mImageButton.getDrawable() == null) {
128            mTextButton.setText(mTitle);
129            mTextButton.setVisibility(VISIBLE);
130        }
131    }
132
133    public boolean showsIcon() {
134        return true;
135    }
136}
137