1 /*
2  * Copyright (C) 2019 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.accessibility;
18 
19 import android.content.Context;
20 import android.provider.Settings;
21 
22 import androidx.preference.PreferenceScreen;
23 import androidx.preference.TwoStatePreference;
24 
25 import com.android.settings.R;
26 import com.android.settings.accessibility.TextReadingPreferenceFragment.EntryPoint;
27 import com.android.settings.core.TogglePreferenceController;
28 import com.android.settings.core.instrumentation.SettingsStatsLog;
29 
30 /**
31  * PreferenceController for displaying all text in high contrast style.
32  */
33 public class HighTextContrastPreferenceController extends TogglePreferenceController implements
34         TextReadingResetController.ResetStateListener {
35     private TwoStatePreference mSwitchPreference;
36 
37     @EntryPoint
38     private int mEntryPoint;
39 
HighTextContrastPreferenceController(Context context, String preferenceKey)40     public HighTextContrastPreferenceController(Context context, String preferenceKey) {
41         super(context, preferenceKey);
42     }
43 
44     @Override
getAvailabilityStatus()45     public int getAvailabilityStatus() {
46         return AVAILABLE;
47     }
48 
49     @Override
isChecked()50     public boolean isChecked() {
51         return Settings.Secure.getInt(mContext.getContentResolver(),
52                 Settings.Secure.ACCESSIBILITY_HIGH_TEXT_CONTRAST_ENABLED, 0) == 1;
53     }
54 
55     @Override
setChecked(boolean isChecked)56     public boolean setChecked(boolean isChecked) {
57         SettingsStatsLog.write(
58                 SettingsStatsLog.ACCESSIBILITY_TEXT_READING_OPTIONS_CHANGED,
59                 AccessibilityStatsLogUtils.convertToItemKeyName(getPreferenceKey()),
60                 isChecked ? 1 : 0,
61                 AccessibilityStatsLogUtils.convertToEntryPoint(mEntryPoint));
62 
63         return Settings.Secure.putInt(mContext.getContentResolver(),
64                 Settings.Secure.ACCESSIBILITY_HIGH_TEXT_CONTRAST_ENABLED, (isChecked ? 1 : 0));
65     }
66 
67     @Override
getSliceHighlightMenuRes()68     public int getSliceHighlightMenuRes() {
69         return R.string.menu_key_accessibility;
70     }
71 
72     @Override
displayPreference(PreferenceScreen screen)73     public void displayPreference(PreferenceScreen screen) {
74         super.displayPreference(screen);
75         mSwitchPreference = screen.findPreference(getPreferenceKey());
76     }
77 
78     @Override
resetState()79     public void resetState() {
80         setChecked(false);
81         updateState(mSwitchPreference);
82     }
83 
84     /**
85      * The entry point is used for logging.
86      *
87      * @param entryPoint from which settings page
88      */
setEntryPoint(@ntryPoint int entryPoint)89     void setEntryPoint(@EntryPoint int entryPoint) {
90         mEntryPoint = entryPoint;
91     }
92 }
93