1 /* 2 * Copyright (C) 2022 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 static com.android.settings.accessibility.AccessibilityUtil.State.OFF; 20 import static com.android.settings.accessibility.AccessibilityUtil.State.ON; 21 22 import android.content.Context; 23 import android.provider.Settings; 24 25 import androidx.lifecycle.Lifecycle; 26 import androidx.lifecycle.LifecycleObserver; 27 import androidx.lifecycle.OnLifecycleEvent; 28 import androidx.preference.PreferenceScreen; 29 import androidx.preference.SwitchPreference; 30 31 import com.android.settings.R; 32 import com.android.settings.core.TogglePreferenceController; 33 34 /** 35 * Controller that accesses and switches the preference status of the magnification joystick feature 36 */ 37 public class MagnificationJoystickPreferenceController extends TogglePreferenceController 38 implements LifecycleObserver { 39 40 private static final String TAG = 41 MagnificationJoystickPreferenceController.class.getSimpleName(); 42 static final String PREF_KEY = Settings.Secure.ACCESSIBILITY_MAGNIFICATION_JOYSTICK_ENABLED; 43 44 private SwitchPreference mSwitchPreference; 45 MagnificationJoystickPreferenceController(Context context, String preferenceKey)46 public MagnificationJoystickPreferenceController(Context context, String preferenceKey) { 47 super(context, preferenceKey); 48 } 49 50 @Override getAvailabilityStatus()51 public int getAvailabilityStatus() { 52 return AVAILABLE; 53 } 54 55 @Override isChecked()56 public boolean isChecked() { 57 return Settings.Secure.getInt(mContext.getContentResolver(), 58 Settings.Secure.ACCESSIBILITY_MAGNIFICATION_JOYSTICK_ENABLED, OFF) == ON; 59 } 60 61 @Override setChecked(boolean isChecked)62 public boolean setChecked(boolean isChecked) { 63 return Settings.Secure.putInt(mContext.getContentResolver(), 64 Settings.Secure.ACCESSIBILITY_MAGNIFICATION_JOYSTICK_ENABLED, 65 (isChecked ? ON : OFF)); 66 } 67 68 @Override getSliceHighlightMenuRes()69 public int getSliceHighlightMenuRes() { 70 return R.string.menu_key_accessibility; 71 } 72 73 @Override displayPreference(PreferenceScreen screen)74 public void displayPreference(PreferenceScreen screen) { 75 super.displayPreference(screen); 76 mSwitchPreference = screen.findPreference(getPreferenceKey()); 77 } 78 79 // TODO(b/186731461): Remove it when this controller is used in DashBoardFragment only. 80 @OnLifecycleEvent(Lifecycle.Event.ON_RESUME) onResume()81 void onResume() { 82 updateState(); 83 } 84 85 /** 86 * Updates the state of preference components which has been displayed by 87 * {@link MagnificationJoystickPreferenceController#displayPreference}. 88 */ updateState()89 void updateState() { 90 updateState(mSwitchPreference); 91 } 92 } 93