1 /*
2  * Copyright (C) 2014 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 
17 package com.android.layoutlib.bridge.bars;
18 
19 import android.os.Build.VERSION_CODES;
20 
21 import java.util.ArrayList;
22 import java.util.Collections;
23 import java.util.List;
24 
25 import static android.os.Build.VERSION_CODES.*;
26 
27 /**
28  * Various helper methods to simulate older versions of platform.
29  */
30 public class Config {
31 
32     // each of these resource dirs must end in '/'
33     private static final String GINGERBREAD_DIR      = "/bars/v9/";
34     private static final String JELLYBEAN_DIR        = "/bars/v18/";
35     private static final String KITKAT_DIR           = "/bars/v19/";
36     private static final String DEFAULT_RESOURCE_DIR = "/bars/v21/";
37 
38     private static final List<String> sDefaultResourceDir =
39             Collections.singletonList(DEFAULT_RESOURCE_DIR);
40 
41     private static final int WHITE = 0xFFFFFFFF;
42     private static final int BLACK = 0xFF000000;
43 
showOnScreenNavBar(int platformVersion)44     public static boolean showOnScreenNavBar(int platformVersion) {
45         return isGreaterOrEqual(platformVersion, ICE_CREAM_SANDWICH);
46     }
47 
getStatusBarColor(int platformVersion)48     public static int getStatusBarColor(int platformVersion) {
49         // return white for froyo and earlier; black otherwise.
50         return isGreaterOrEqual(platformVersion, GINGERBREAD) ? BLACK : WHITE;
51     }
52 
getResourceDirs(int platformVersion)53     public static List<String> getResourceDirs(int platformVersion) {
54         // Special case the most used scenario.
55         if (platformVersion == 0) {
56             return sDefaultResourceDir;
57         }
58         List<String> list = new ArrayList<String>(4);
59         // Gingerbread - uses custom battery and wifi icons.
60         if (platformVersion <= GINGERBREAD) {
61             list.add(GINGERBREAD_DIR);
62         }
63         // ICS - JellyBean uses custom battery, wifi.
64         if (platformVersion <= JELLY_BEAN_MR2) {
65             list.add(JELLYBEAN_DIR);
66         }
67         // KitKat - uses custom wifi and nav icons.
68         if (platformVersion <= KITKAT) {
69             list.add(KITKAT_DIR);
70         }
71         list.add(DEFAULT_RESOURCE_DIR);
72 
73         return Collections.unmodifiableList(list);
74     }
75 
getTime(int platformVersion)76     public static String getTime(int platformVersion) {
77         if (isGreaterOrEqual(platformVersion, M)) {
78             return "6:00";
79         }
80         if (platformVersion < GINGERBREAD) {
81             return "2:20";
82         }
83         if (platformVersion < ICE_CREAM_SANDWICH) {
84             return "2:30";
85         }
86         if (platformVersion < JELLY_BEAN) {
87             return "4:00";
88         }
89         if (platformVersion < KITKAT) {
90             return "4:30";
91         }
92         if (platformVersion < LOLLIPOP) {
93             return "4:40";
94         }
95         if (platformVersion < LOLLIPOP_MR1) {
96             return "5:00";
97         }
98         if (platformVersion < M) {
99             return "5:10";
100         }
101         // Should never happen.
102         return "4:04";
103     }
104 
getTimeColor(int platformVersion)105     public static int getTimeColor(int platformVersion) {
106         if (isGreaterOrEqual(platformVersion, KITKAT) ||
107                 platformVersion > FROYO && platformVersion < HONEYCOMB) {
108             // Gingerbread and KitKat onwards.
109             return WHITE;
110         }
111         // Black for froyo.
112         if (platformVersion < GINGERBREAD) {
113             return BLACK;
114         } else if (platformVersion < KITKAT) {
115             // Honeycomb to JB-mr2: Holo blue light.
116             return 0xff33b5e5;
117         }
118         // Should never happen.
119         return WHITE;
120     }
121 
getWifiIconType(int platformVersion)122     public static String getWifiIconType(int platformVersion) {
123         return isGreaterOrEqual(platformVersion, LOLLIPOP) ? "xml" : "png";
124     }
125 
126     /**
127      * Compare simulated platform version and code from {@link VERSION_CODES} to check if
128      * the simulated platform is greater than or equal to the version code.
129      */
isGreaterOrEqual(int platformVersion, int code)130     public static boolean isGreaterOrEqual(int platformVersion, int code) {
131         // simulated platform version = 0 means that we use the latest.
132         return platformVersion == 0 || platformVersion >= code;
133     }
134 }
135