1 /*
2  * Copyright (C) 2021 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.settings.display;
18 
19 import static android.hardware.display.ColorDisplayManager.COLOR_MODE_AUTOMATIC;
20 import static android.hardware.display.ColorDisplayManager.COLOR_MODE_BOOSTED;
21 import static android.hardware.display.ColorDisplayManager.COLOR_MODE_NATURAL;
22 import static android.hardware.display.ColorDisplayManager.COLOR_MODE_SATURATED;
23 import static android.hardware.display.ColorDisplayManager.VENDOR_COLOR_MODE_RANGE_MAX;
24 import static android.hardware.display.ColorDisplayManager.VENDOR_COLOR_MODE_RANGE_MIN;
25 
26 import android.content.res.Resources;
27 import android.util.ArrayMap;
28 
29 import com.android.settings.R;
30 
31 import java.util.Map;
32 
33 final class ColorModeUtils {
34 
ColorModeUtils()35     private ColorModeUtils() {
36         // Do not instantiate.
37     }
38 
getColorModeMapping(Resources resources)39     static Map<Integer, String> getColorModeMapping(Resources resources) {
40         final String[] colorModeOptionsStrings = resources.getStringArray(
41                 R.array.config_color_mode_options_strings);
42         final int[] colorModeOptionsValues = resources.getIntArray(
43                 R.array.config_color_mode_options_values);
44         if (colorModeOptionsStrings.length != colorModeOptionsValues.length) {
45             throw new RuntimeException("Color mode options of unequal length");
46         }
47 
48         final Map<Integer, String> colorModesToSummaries = new ArrayMap<>();
49         for (int i = 0; i < colorModeOptionsValues.length; i++) {
50             final int colorMode = colorModeOptionsValues[i];
51             if (colorMode == COLOR_MODE_NATURAL
52                     || colorMode == COLOR_MODE_BOOSTED
53                     || colorMode == COLOR_MODE_SATURATED
54                     || colorMode == COLOR_MODE_AUTOMATIC
55                     || (colorMode >= VENDOR_COLOR_MODE_RANGE_MIN
56                     && colorMode <= VENDOR_COLOR_MODE_RANGE_MAX)) {
57                 colorModesToSummaries.put(colorMode, colorModeOptionsStrings[i]);
58             }
59         }
60         return colorModesToSummaries;
61     }
62 }
63