1 /* 2 * Copyright (C) 2020 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 android.content.Context.MODE_PRIVATE; 20 21 import android.content.ContentResolver; 22 import android.content.Context; 23 import android.content.SharedPreferences; 24 import android.content.res.Resources; 25 import android.provider.Settings; 26 import android.util.ArrayMap; 27 28 import androidx.lifecycle.LifecycleObserver; 29 import androidx.preference.Preference; 30 import androidx.preference.PreferenceScreen; 31 32 import com.android.settings.R; 33 import com.android.settings.core.BasePreferenceController; 34 import com.android.settings.core.PreferenceControllerMixin; 35 import com.android.settingslib.core.lifecycle.Lifecycle; 36 import com.android.settingslib.widget.LayoutPreference; 37 import com.android.settingslib.widget.RadioButtonPreference; 38 39 import java.util.Map; 40 41 /** 42 * Controller class that controls accessibility autoclick settings. 43 */ 44 public class ToggleAutoclickPreferenceController extends BasePreferenceController implements 45 LifecycleObserver, RadioButtonPreference.OnClickListener, PreferenceControllerMixin { 46 47 private static final String CONTROL_AUTOCLICK_DELAY_SECURE = 48 Settings.Secure.ACCESSIBILITY_AUTOCLICK_DELAY; 49 private static final String KEY_AUTOCLICK_CUSTOM_SEEKBAR = "autoclick_custom_seekbar"; 50 static final String KEY_DELAY_MODE = "delay_mode"; 51 52 private static final int AUTOCLICK_OFF_MODE = 0; 53 private static final int AUTOCLICK_CUSTOM_MODE = 2000; 54 55 // Pair the preference key and autoclick mode value. 56 private final Map<String, Integer> mAccessibilityAutoclickKeyToValueMap = new ArrayMap<>(); 57 58 private SharedPreferences mSharedPreferences; 59 private final ContentResolver mContentResolver; 60 private final Resources mResources; 61 private OnChangeListener mOnChangeListener; 62 private RadioButtonPreference mDelayModePref; 63 64 /** 65 * Seek bar preference for autoclick delay value. The seek bar has values between 0 and 66 * number of possible discrete autoclick delay values. These will have to be converted to actual 67 * delay values before saving them in settings. 68 */ 69 private LayoutPreference mSeekBerPreference; 70 private int mCurrentUiAutoClickMode; 71 ToggleAutoclickPreferenceController(Context context, String preferenceKey)72 public ToggleAutoclickPreferenceController(Context context, String preferenceKey) { 73 super(context, preferenceKey); 74 75 mSharedPreferences = context.getSharedPreferences(context.getPackageName(), MODE_PRIVATE); 76 mContentResolver = context.getContentResolver(); 77 mResources = context.getResources(); 78 79 setAutoclickModeToKeyMap(); 80 } 81 ToggleAutoclickPreferenceController(Context context, Lifecycle lifecycle, String preferenceKey)82 public ToggleAutoclickPreferenceController(Context context, Lifecycle lifecycle, 83 String preferenceKey) { 84 super(context, preferenceKey); 85 86 mSharedPreferences = context.getSharedPreferences(context.getPackageName(), MODE_PRIVATE); 87 mContentResolver = context.getContentResolver(); 88 mResources = context.getResources(); 89 90 setAutoclickModeToKeyMap(); 91 92 if (lifecycle != null) { 93 lifecycle.addObserver(this); 94 } 95 } 96 setOnChangeListener(OnChangeListener listener)97 public void setOnChangeListener(OnChangeListener listener) { 98 mOnChangeListener = listener; 99 } 100 101 @Override getAvailabilityStatus()102 public int getAvailabilityStatus() { 103 return AVAILABLE; 104 } 105 106 @Override displayPreference(PreferenceScreen screen)107 public void displayPreference(PreferenceScreen screen) { 108 super.displayPreference(screen); 109 110 mDelayModePref = (RadioButtonPreference) 111 screen.findPreference(getPreferenceKey()); 112 mDelayModePref.setOnClickListener(this); 113 mSeekBerPreference = (LayoutPreference) screen.findPreference(KEY_AUTOCLICK_CUSTOM_SEEKBAR); 114 updateState((Preference) mDelayModePref); 115 } 116 117 @Override onRadioButtonClicked(RadioButtonPreference preference)118 public void onRadioButtonClicked(RadioButtonPreference preference) { 119 final int value = mAccessibilityAutoclickKeyToValueMap.get(mPreferenceKey); 120 handleRadioButtonPreferenceChange(value); 121 if (mOnChangeListener != null) { 122 mOnChangeListener.onCheckedChanged(mDelayModePref); 123 } 124 } 125 updatePreferenceCheckedState(int mode)126 private void updatePreferenceCheckedState(int mode) { 127 if (mCurrentUiAutoClickMode == mode) { 128 mDelayModePref.setChecked(true); 129 } 130 } 131 updatePreferenceVisibleState(int mode)132 private void updatePreferenceVisibleState(int mode) { 133 mSeekBerPreference.setVisible(mCurrentUiAutoClickMode == mode); 134 } 135 136 @Override updateState(Preference preference)137 public void updateState(Preference preference) { 138 super.updateState(preference); 139 140 final boolean enabled = Settings.Secure.getInt(mContext.getContentResolver(), 141 Settings.Secure.ACCESSIBILITY_AUTOCLICK_ENABLED, 0) == 1; 142 143 mCurrentUiAutoClickMode = 144 enabled ? getSharedPreferenceForAutoClickMode() : AUTOCLICK_OFF_MODE; 145 146 // Reset RadioButton. 147 mDelayModePref.setChecked(false); 148 final int mode = mAccessibilityAutoclickKeyToValueMap.get(mDelayModePref.getKey()); 149 updatePreferenceCheckedState(mode); 150 updatePreferenceVisibleState(mode); 151 } 152 153 /** Listener interface handles checked event. */ 154 public interface OnChangeListener { 155 /** 156 * A hook that is called when preference checked. 157 */ onCheckedChanged(Preference preference)158 void onCheckedChanged(Preference preference); 159 } 160 setAutoclickModeToKeyMap()161 private void setAutoclickModeToKeyMap() { 162 final String[] autoclickKeys = mResources.getStringArray( 163 R.array.accessibility_autoclick_control_selector_keys); 164 165 final int[] autoclickValues = mResources.getIntArray( 166 R.array.accessibility_autoclick_selector_values); 167 168 final int autoclickValueCount = autoclickValues.length; 169 for (int i = 0; i < autoclickValueCount; i++) { 170 mAccessibilityAutoclickKeyToValueMap.put(autoclickKeys[i], autoclickValues[i]); 171 } 172 } 173 handleRadioButtonPreferenceChange(int preference)174 private void handleRadioButtonPreferenceChange(int preference) { 175 putSecureInt(Settings.Secure.ACCESSIBILITY_AUTOCLICK_ENABLED, 176 (preference != AUTOCLICK_OFF_MODE) ? /* enabled */ 1 : /* disabled */ 0); 177 178 mSharedPreferences.edit().putInt(KEY_DELAY_MODE, preference).apply(); 179 180 if (preference != AUTOCLICK_CUSTOM_MODE) { 181 putSecureInt(CONTROL_AUTOCLICK_DELAY_SECURE, preference); 182 } 183 } 184 putSecureInt(String name, int value)185 private void putSecureInt(String name, int value) { 186 Settings.Secure.putInt(mContentResolver, name, value); 187 } 188 getSharedPreferenceForAutoClickMode()189 private int getSharedPreferenceForAutoClickMode() { 190 return mSharedPreferences.getInt(KEY_DELAY_MODE, AUTOCLICK_CUSTOM_MODE); 191 } 192 } 193