1 /*
2  * Copyright 2023 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.development;
18 
19 import android.content.Context;
20 import android.provider.Settings;
21 
22 import androidx.annotation.VisibleForTesting;
23 import androidx.preference.Preference;
24 import androidx.preference.TwoStatePreference;
25 
26 import com.android.settings.core.PreferenceControllerMixin;
27 import com.android.settingslib.development.DeveloperOptionsPreferenceController;
28 
29 /** PreferenceController that controls the "Show key presses" developer option. */
30 public class ShowKeyPressesPreferenceController extends
31         DeveloperOptionsPreferenceController implements
32         Preference.OnPreferenceChangeListener, PreferenceControllerMixin {
33 
34     private static final String SHOW_KEY_PRESSES_KEY = "show_key_presses";
35 
36     @VisibleForTesting
37     static final int SETTING_VALUE_ON = 1;
38     @VisibleForTesting
39     static final int SETTING_VALUE_OFF = 0;
40 
ShowKeyPressesPreferenceController(Context context)41     public ShowKeyPressesPreferenceController(Context context) {
42         super(context);
43     }
44 
45     @Override
getPreferenceKey()46     public String getPreferenceKey() {
47         return SHOW_KEY_PRESSES_KEY;
48     }
49 
50     @Override
onPreferenceChange(Preference preference, Object newValue)51     public boolean onPreferenceChange(Preference preference, Object newValue) {
52         final boolean isEnabled = (Boolean) newValue;
53         Settings.System.putInt(mContext.getContentResolver(),
54                 Settings.System.SHOW_KEY_PRESSES, isEnabled ? SETTING_VALUE_ON : SETTING_VALUE_OFF);
55         return true;
56     }
57 
58     @Override
updateState(Preference preference)59     public void updateState(Preference preference) {
60         int showKeyPresses = Settings.System.getInt(mContext.getContentResolver(),
61                 Settings.System.SHOW_KEY_PRESSES, SETTING_VALUE_OFF);
62         ((TwoStatePreference) mPreference).setChecked(showKeyPresses != SETTING_VALUE_OFF);
63     }
64 
65     @Override
onDeveloperOptionsSwitchDisabled()66     protected void onDeveloperOptionsSwitchDisabled() {
67         super.onDeveloperOptionsSwitchDisabled();
68         Settings.System.putInt(mContext.getContentResolver(), Settings.System.SHOW_KEY_PRESSES,
69                 SETTING_VALUE_OFF);
70         ((TwoStatePreference) mPreference).setChecked(false);
71     }
72 }
73