1/*
2 * Copyright (C) 2011 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.contacts.util;
18
19import android.content.res.Resources.Theme;
20import android.util.TypedValue;
21
22/**
23 * Provides static functions to more easily resolve attributes of the current theme
24 */
25public class ThemeUtils {
26    /**
27     * Resolves the given attribute id of the theme to a resource id
28     */
29    public static int getAttribute(Theme theme, int attrId) {
30        final TypedValue outValue = new TypedValue();
31        theme.resolveAttribute(attrId, outValue, true);
32        return outValue.resourceId;
33    }
34
35    /**
36     * Returns the resource id of the background used for buttons to show pressed and focused state
37     */
38    public static int getSelectableItemBackground(Theme theme) {
39        return getAttribute(theme, android.R.attr.selectableItemBackground);
40    }
41
42    /**
43     * Returns the resource id of the background used for list items that show activated background
44     */
45    public static int getActivatedBackground(Theme theme) {
46        return getAttribute(theme, android.R.attr.activatedBackgroundIndicator);
47    }
48}
49