1 /* 2 * Copyright (C) 2013 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.app.settings.SettingsEnums; 20 import android.content.Context; 21 import android.hardware.display.ColorDisplayManager; 22 import android.os.Bundle; 23 import android.provider.SearchIndexableResource; 24 import android.provider.Settings; 25 import android.view.accessibility.AccessibilityManager; 26 import android.widget.Switch; 27 28 import androidx.preference.ListPreference; 29 import androidx.preference.Preference; 30 31 import com.android.settings.R; 32 import com.android.settings.search.BaseSearchIndexProvider; 33 import com.android.settings.search.Indexable; 34 import com.android.settings.widget.SwitchBar; 35 import com.android.settingslib.search.SearchIndexable; 36 37 import java.util.ArrayList; 38 import java.util.List; 39 40 @SearchIndexable 41 public class ToggleDaltonizerPreferenceFragment extends ToggleFeaturePreferenceFragment 42 implements Preference.OnPreferenceChangeListener, SwitchBar.OnSwitchChangeListener { 43 private static final String ENABLED = Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER_ENABLED; 44 private static final String TYPE = Settings.Secure.ACCESSIBILITY_DISPLAY_DALTONIZER; 45 private static final int DEFAULT_TYPE = AccessibilityManager.DALTONIZER_CORRECT_DEUTERANOMALY; 46 47 private ListPreference mType; 48 49 @Override getMetricsCategory()50 public int getMetricsCategory() { 51 return SettingsEnums.ACCESSIBILITY_TOGGLE_DALTONIZER; 52 } 53 54 @Override getHelpResource()55 public int getHelpResource() { 56 return R.string.help_url_color_correction; 57 } 58 59 @Override onCreate(Bundle savedInstanceState)60 public void onCreate(Bundle savedInstanceState) { 61 super.onCreate(savedInstanceState); 62 63 mType = (ListPreference) findPreference("type"); 64 65 if (!ColorDisplayManager.isColorTransformAccelerated(getActivity())) { 66 mFooterPreferenceMixin.createFooterPreference().setTitle( 67 R.string.accessibility_display_daltonizer_preference_subtitle); 68 } 69 initPreferences(); 70 } 71 72 @Override getPreferenceScreenResId()73 protected int getPreferenceScreenResId() { 74 return R.xml.accessibility_daltonizer_settings; 75 } 76 77 @Override onPreferenceToggled(String preferenceKey, boolean enabled)78 protected void onPreferenceToggled(String preferenceKey, boolean enabled) { 79 Settings.Secure.putInt(getContentResolver(), ENABLED, enabled ? 1 : 0); 80 } 81 82 @Override onPreferenceChange(Preference preference, Object newValue)83 public boolean onPreferenceChange(Preference preference, Object newValue) { 84 if (preference == mType) { 85 Settings.Secure.putInt(getContentResolver(), TYPE, Integer.parseInt((String) newValue)); 86 preference.setSummary("%s"); 87 } 88 89 return true; 90 } 91 92 @Override onInstallSwitchBarToggleSwitch()93 protected void onInstallSwitchBarToggleSwitch() { 94 super.onInstallSwitchBarToggleSwitch(); 95 96 mSwitchBar.setCheckedInternal( 97 Settings.Secure.getInt(getContentResolver(), ENABLED, 0) == 1); 98 mSwitchBar.addOnSwitchChangeListener(this); 99 } 100 101 @Override onRemoveSwitchBarToggleSwitch()102 protected void onRemoveSwitchBarToggleSwitch() { 103 super.onRemoveSwitchBarToggleSwitch(); 104 mSwitchBar.removeOnSwitchChangeListener(this); 105 } 106 107 @Override updateSwitchBarText(SwitchBar switchBar)108 protected void updateSwitchBarText(SwitchBar switchBar) { 109 switchBar.setSwitchBarText(R.string.accessibility_daltonizer_master_switch_title, 110 R.string.accessibility_daltonizer_master_switch_title); 111 } 112 initPreferences()113 private void initPreferences() { 114 final String value = Integer.toString( 115 Settings.Secure.getInt(getContentResolver(), TYPE, DEFAULT_TYPE)); 116 mType.setValue(value); 117 mType.setOnPreferenceChangeListener(this); 118 final int index = mType.findIndexOfValue(value); 119 if (index < 0) { 120 // We're using a mode controlled by developer preferences. 121 mType.setSummary(getString(R.string.daltonizer_type_overridden, 122 getString(R.string.simulate_color_space))); 123 } 124 } 125 126 @Override onSwitchChanged(Switch switchView, boolean isChecked)127 public void onSwitchChanged(Switch switchView, boolean isChecked) { 128 onPreferenceToggled(mPreferenceKey, isChecked); 129 } 130 131 public static final Indexable.SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER = 132 new BaseSearchIndexProvider() { 133 @Override 134 public List<SearchIndexableResource> getXmlResourcesToIndex(Context context, 135 boolean enabled) { 136 final ArrayList<SearchIndexableResource> result = new ArrayList<>(); 137 138 final SearchIndexableResource sir = new SearchIndexableResource(context); 139 sir.xmlResId = R.xml.accessibility_daltonizer_settings; 140 result.add(sir); 141 return result; 142 } 143 }; 144 145 } 146