Settings/src/com/android/tv/settings/accessibility/AccessibilityShortcutServiceFragmentCompat.java


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77

/*
 * Copyright (C) 2021 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.tv.settings.accessibility;

import static com.android.tv.settings.library.ManagerUtil.STATE_ACCESSIBILITY_SHORTCUT_SERVICE;

import android.os.Bundle;

import androidx.annotation.Keep;
import androidx.preference.PreferenceManager;

import com.android.tv.settings.R;
import com.android.tv.settings.compat.HasKeys;
import com.android.tv.settings.compat.PreferenceControllerFragmentCompat;
import com.android.tv.settings.compat.RenderUtil;
import com.android.tv.settings.compat.TsPreferenceCategory;
import com.android.tv.settings.compat.TsRadioPreference;
import com.android.tv.settings.library.PreferenceCompat;

/**
 * Fragment imitating a single-selection list for picking the accessibility shortcut service
 */
@Keep
public class AccessibilityShortcutServiceFragmentCompat extends PreferenceControllerFragmentCompat {
    private static final String TAG = "AccessibilityShortcutServiceFragmentCompat";
    private static final String KEY_SCREEN = "screen";

    @Override
    public HasKeys updatePref(PreferenceCompat prefCompat) {
        HasKeys preference = super.updatePref(prefCompat);
        if (preference == null) {
            return null;
        }
        switch (prefCompat.getKey()[0]) {
            case KEY_SCREEN:
                final TsPreferenceCategory screen = findPreference(KEY_SCREEN);
                RenderUtil.updatePreferenceGroup(screen, prefCompat.getChildPrefCompats());
                // Set OnPreferenceChangeListener to the RadioPreference after them created.
                int prefCount = screen.getPreferenceCount();
                for (int i = 0; i < prefCount; i++) {
                    TsRadioPreference pref = (TsRadioPreference) screen.getPreference(i);
                    pref.setOnPreferenceChangeListener(this);
                }
                break;
            default:
                // no-op
        }
        return preference;
    }

    @Override
    public int getStateIdentifier() {
        return STATE_ACCESSIBILITY_SHORTCUT_SERVICE;
    }

    @Override
    public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
        getPreferenceManager()
                .setPreferenceComparisonCallback(
                        new PreferenceManager.SimplePreferenceComparisonCallback());
        setPreferencesFromResource(R.xml.accessibility_shortcut_service_compat, null);
    }
}