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/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.settings.accessibility;
import static com.android.internal.accessibility.AccessibilityShortcutController.MAGNIFICATION_CONTROLLER_NAME;
import static com.android.settings.accessibility.AccessibilityDialogUtils.DialogEnums;
import static com.android.settings.accessibility.AccessibilityUtil.State.OFF;
import static com.android.settings.accessibility.AccessibilityUtil.State.ON;
import android.app.Dialog;
import android.app.settings.SettingsEnums;
import android.content.ComponentName;
import android.content.ContentResolver;
import android.content.Context;
import android.content.DialogInterface;
import android.content.pm.PackageManager;
import android.icu.text.CaseMap;
import android.icu.text.MessageFormat;
import android.net.Uri;
import android.os.Bundle;
import android.provider.DeviceConfig;
import android.provider.Settings;
import android.text.TextUtils;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.accessibility.AccessibilityManager;
import android.view.accessibility.AccessibilityManager.TouchExplorationStateChangeListener;
import android.widget.CheckBox;
import androidx.annotation.Nullable;
import androidx.preference.Preference;
import androidx.preference.PreferenceCategory;
import androidx.preference.SwitchPreferenceCompat;
import androidx.preference.TwoStatePreference;
import com.android.internal.annotations.VisibleForTesting;
import com.android.server.accessibility.Flags;
import com.android.settings.DialogCreatable;
import com.android.settings.R;
import com.android.settings.accessibility.AccessibilityDialogUtils.DialogType;
import com.android.settings.accessibility.AccessibilityUtil.QuickSettingsTooltipType;
import com.android.settings.accessibility.AccessibilityUtil.UserShortcutType;
import com.android.settings.utils.LocaleUtils;
import com.android.settingslib.core.AbstractPreferenceController;
import com.google.android.setupcompat.util.WizardManagerHelper;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;
import java.util.StringJoiner;
/**
* Fragment that shows the actual UI for providing basic magnification accessibility service setup
* and does not have toggle bar to turn on service to use.
*/
public class ToggleScreenMagnificationPreferenceFragment extends
ToggleFeaturePreferenceFragment implements
MagnificationModePreferenceController.DialogHelper {
private static final String TAG = "ToggleScreenMagnificationPreferenceFragment";
private static final char COMPONENT_NAME_SEPARATOR = ':';
private static final TextUtils.SimpleStringSplitter sStringColonSplitter =
new TextUtils.SimpleStringSplitter(COMPONENT_NAME_SEPARATOR);
protected TwoStatePreference mFollowingTypingSwitchPreference;
// TODO(b/147021230): Move duplicated functions with android/internal/accessibility into util.
private TouchExplorationStateChangeListener mTouchExplorationStateChangeListener;
private CheckBox mSoftwareTypeCheckBox;
private CheckBox mHardwareTypeCheckBox;
private CheckBox mTripleTapTypeCheckBox;
@Nullable private CheckBox mTwoFingerTripleTapTypeCheckBox;
private DialogCreatable mDialogDelegate;
private MagnificationFollowTypingPreferenceController mFollowTypingPreferenceController;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getActivity().setTitle(R.string.accessibility_screen_magnification_title);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
mPackageName = getString(R.string.accessibility_screen_magnification_title);
mImageUri = new Uri.Builder().scheme(ContentResolver.SCHEME_ANDROID_RESOURCE)
.authority(getPrefContext().getPackageName())
.appendPath(String.valueOf(R.raw.a11y_magnification_banner))
.build();
mTouchExplorationStateChangeListener = isTouchExplorationEnabled -> {
removeDialog(DialogEnums.EDIT_SHORTCUT);
mShortcutPreference.setSummary(getShortcutTypeSummary(getPrefContext()));
};
final View view = super.onCreateView(inflater, container, savedInstanceState);
updateFooterPreference();
return view;
}
private void updateFooterPreference() {
final String title = getPrefContext().getString(
R.string.accessibility_screen_magnification_about_title);
final String learnMoreText = getPrefContext().getString(
R.string.accessibility_screen_magnification_footer_learn_more_content_description);
mFooterPreferenceController.setIntroductionTitle(title);
mFooterPreferenceController.setupHelpLink(getHelpResource(), learnMoreText);
mFooterPreferenceController.displayPreference(getPreferenceScreen());
}
@Override
public void onResume() {
super.onResume();
final AccessibilityManager am = getPrefContext().getSystemService(
AccessibilityManager.class);
am.addTouchExplorationStateChangeListener(mTouchExplorationStateChangeListener);
}
@Override
protected int getPreferenceScreenResId() {
// TODO(b/171272809): Add back when controllers move to static type
return 0;
}
@Override
protected String getLogTag() {
return TAG;
}
@Override
public void onPause() {
final AccessibilityManager am = getPrefContext().getSystemService(
AccessibilityManager.class);
am.removeTouchExplorationStateChangeListener(mTouchExplorationStateChangeListener);
super.onPause();
}
@Override
public Dialog onCreateDialog(int dialogId) {
if (mDialogDelegate != null) {
mDialog = mDialogDelegate.onCreateDialog(dialogId);
if (mDialog != null) {
return mDialog;
}
}
switch (dialogId) {
case DialogEnums.GESTURE_NAVIGATION_TUTORIAL:
return AccessibilityGestureNavigationTutorial
.showAccessibilityGestureTutorialDialog(getPrefContext());
case DialogEnums.MAGNIFICATION_EDIT_SHORTCUT:
final CharSequence dialogTitle = getShortcutTitle();
final int dialogType = WizardManagerHelper.isAnySetupWizard(getIntent())
? DialogType.EDIT_SHORTCUT_MAGNIFICATION_SUW
: DialogType.EDIT_SHORTCUT_MAGNIFICATION;
mDialog = AccessibilityDialogUtils.showEditShortcutDialog(getPrefContext(),
dialogType, dialogTitle, this::callOnAlertDialogCheckboxClicked);
setupMagnificationEditShortcutDialog(mDialog);
return mDialog;
default:
return super.onCreateDialog(dialogId);
}
}
@Override
protected void initSettingsPreference() {
// If the device doesn't support window magnification feature, it should hide the
// settings preference.
final boolean supportWindowMagnification =
getContext().getResources().getBoolean(
com.android.internal.R.bool.config_magnification_area)
&& getContext().getPackageManager().hasSystemFeature(
PackageManager.FEATURE_WINDOW_MAGNIFICATION);
if (!supportWindowMagnification) {
return;
}
mSettingsPreference = new Preference(getPrefContext());
mSettingsPreference.setTitle(R.string.accessibility_magnification_mode_title);
mSettingsPreference.setKey(MagnificationModePreferenceController.PREF_KEY);
mSettingsPreference.setPersistent(false);
final PreferenceCategory generalCategory = findPreference(KEY_GENERAL_CATEGORY);
generalCategory.addPreference(mSettingsPreference);
final MagnificationModePreferenceController magnificationModePreferenceController =
new MagnificationModePreferenceController(getContext(),
MagnificationModePreferenceController.PREF_KEY);
magnificationModePreferenceController.setDialogHelper(this);
getSettingsLifecycle().addObserver(magnificationModePreferenceController);
magnificationModePreferenceController.displayPreference(getPreferenceScreen());
mFollowingTypingSwitchPreference = new SwitchPreferenceCompat(getPrefContext());
mFollowingTypingSwitchPreference.setTitle(
R.string.accessibility_screen_magnification_follow_typing_title);
mFollowingTypingSwitchPreference.setSummary(
R.string.accessibility_screen_magnification_follow_typing_summary);
mFollowingTypingSwitchPreference.setKey(
MagnificationFollowTypingPreferenceController.PREF_KEY);
generalCategory.addPreference(mFollowingTypingSwitchPreference);
mFollowTypingPreferenceController = new MagnificationFollowTypingPreferenceController(
getContext(), MagnificationFollowTypingPreferenceController.PREF_KEY);
getSettingsLifecycle().addObserver(mFollowTypingPreferenceController);
mFollowTypingPreferenceController.displayPreference(getPreferenceScreen());
addPreferenceController(mFollowTypingPreferenceController);
addAlwaysOnSetting(generalCategory);
addJoystickSetting(generalCategory);
}
@Override
protected void onProcessArguments(Bundle arguments) {
Context context = getContext();
if (!arguments.containsKey(AccessibilitySettings.EXTRA_PREFERENCE_KEY)) {
arguments.putString(AccessibilitySettings.EXTRA_PREFERENCE_KEY,
Settings.Secure.ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED);
}
if (!arguments.containsKey(AccessibilitySettings.EXTRA_INTRO)) {
arguments.putCharSequence(AccessibilitySettings.EXTRA_INTRO,
context.getString(R.string.accessibility_screen_magnification_intro_text));
}
if (!arguments.containsKey(AccessibilitySettings.EXTRA_HTML_DESCRIPTION)) {
String summary = MessageFormat.format(
context.getString(R.string.accessibility_screen_magnification_summary),
new Object[]{1, 2, 3, 4, 5});
arguments.putCharSequence(AccessibilitySettings.EXTRA_HTML_DESCRIPTION, summary);
}
super.onProcessArguments(arguments);
}
private boolean isAlwaysOnSettingEnabled() {
final boolean defaultValue = getContext().getResources().getBoolean(
com.android.internal.R.bool.config_magnification_always_on_enabled);
return DeviceConfig.getBoolean(
DeviceConfig.NAMESPACE_WINDOW_MANAGER,
"AlwaysOnMagnifier__enable_always_on_magnifier",
defaultValue
);
}
private void addAlwaysOnSetting(PreferenceCategory generalCategory) {
if (!isAlwaysOnSettingEnabled()) {
return;
}
var alwaysOnPreference = new SwitchPreferenceCompat(getPrefContext());
alwaysOnPreference.setTitle(
R.string.accessibility_screen_magnification_always_on_title);
alwaysOnPreference.setSummary(
R.string.accessibility_screen_magnification_always_on_summary);
alwaysOnPreference.setKey(
MagnificationAlwaysOnPreferenceController.PREF_KEY);
generalCategory.addPreference(alwaysOnPreference);
var alwaysOnPreferenceController = new MagnificationAlwaysOnPreferenceController(
getContext(), MagnificationAlwaysOnPreferenceController.PREF_KEY);
getSettingsLifecycle().addObserver(alwaysOnPreferenceController);
alwaysOnPreferenceController.displayPreference(getPreferenceScreen());
addPreferenceController(alwaysOnPreferenceController);
}
private void addJoystickSetting(PreferenceCategory generalCategory) {
if (!DeviceConfig.getBoolean(
DeviceConfig.NAMESPACE_WINDOW_MANAGER,
"MagnificationJoystick__enable_magnification_joystick",
false
)) {
return;
}
TwoStatePreference joystickPreference = new SwitchPreferenceCompat(getPrefContext());
joystickPreference.setTitle(
R.string.accessibility_screen_magnification_joystick_title);
joystickPreference.setSummary(
R.string.accessibility_screen_magnification_joystick_summary);
joystickPreference.setKey(
MagnificationJoystickPreferenceController.PREF_KEY);
generalCategory.addPreference(joystickPreference);
MagnificationJoystickPreferenceController joystickPreferenceController =
new MagnificationJoystickPreferenceController(
getContext(),
MagnificationJoystickPreferenceController.PREF_KEY
);
getSettingsLifecycle().addObserver(joystickPreferenceController);
joystickPreferenceController.displayPreference(getPreferenceScreen());
addPreferenceController(joystickPreferenceController);
}
@Override
public void showDialog(int dialogId) {
super.showDialog(dialogId);
}
@Override
public void setDialogDelegate(DialogCreatable delegate) {
mDialogDelegate = delegate;
}
@Override
protected int getShortcutTypeCheckBoxValue() {
if (mSoftwareTypeCheckBox == null || mHardwareTypeCheckBox == null) {
return NOT_SET;
}
int value = UserShortcutType.EMPTY;
if (mSoftwareTypeCheckBox.isChecked()) {
value |= UserShortcutType.SOFTWARE;
}
if (mHardwareTypeCheckBox.isChecked()) {
value |= UserShortcutType.HARDWARE;
}
if (mTripleTapTypeCheckBox.isChecked()) {
value |= UserShortcutType.TRIPLETAP;
}
if (Flags.enableMagnificationMultipleFingerMultipleTapGesture()) {
if (mTwoFingerTripleTapTypeCheckBox.isChecked()) {
value |= UserShortcutType.TWOFINGERTRIPLETAP;
}
}
return value;
}
@VisibleForTesting
void setupMagnificationEditShortcutDialog(Dialog dialog) {
final View dialogSoftwareView = dialog.findViewById(R.id.software_shortcut);
mSoftwareTypeCheckBox = dialogSoftwareView.findViewById(R.id.checkbox);
setDialogTextAreaClickListener(dialogSoftwareView, mSoftwareTypeCheckBox);
final View dialogHardwareView = dialog.findViewById(R.id.hardware_shortcut);
mHardwareTypeCheckBox = dialogHardwareView.findViewById(R.id.checkbox);
setDialogTextAreaClickListener(dialogHardwareView, mHardwareTypeCheckBox);
if (Flags.enableMagnificationMultipleFingerMultipleTapGesture()) {
final View dialogTwoFignerTripleTapView =
dialog.findViewById(R.id.two_finger_triple_tap_shortcut);
mTwoFingerTripleTapTypeCheckBox = dialogTwoFignerTripleTapView.findViewById(
R.id.checkbox);
setDialogTextAreaClickListener(
dialogTwoFignerTripleTapView, mTwoFingerTripleTapTypeCheckBox);
}
final View dialogTripleTapView = dialog.findViewById(R.id.triple_tap_shortcut);
mTripleTapTypeCheckBox = dialogTripleTapView.findViewById(R.id.checkbox);
setDialogTextAreaClickListener(dialogTripleTapView, mTripleTapTypeCheckBox);
final View advancedView = dialog.findViewById(R.id.advanced_shortcut);
if (mTripleTapTypeCheckBox.isChecked()) {
advancedView.setVisibility(View.GONE);
dialogTripleTapView.setVisibility(View.VISIBLE);
}
updateMagnificationEditShortcutDialogCheckBox();
}
private void setDialogTextAreaClickListener(View dialogView, CheckBox checkBox) {
final View dialogTextArea = dialogView.findViewById(R.id.container);
dialogTextArea.setOnClickListener(v -> checkBox.toggle());
}
private void updateMagnificationEditShortcutDialogCheckBox() {
// If it is during onConfigChanged process then restore the value, or get the saved value
// when shortcutPreference is checked.
int value = restoreOnConfigChangedValue();
if (value == NOT_SET) {
final int lastNonEmptyUserShortcutType = PreferredShortcuts.retrieveUserShortcutType(
getPrefContext(), MAGNIFICATION_CONTROLLER_NAME, UserShortcutType.SOFTWARE);
value = mShortcutPreference.isChecked() ? lastNonEmptyUserShortcutType
: UserShortcutType.EMPTY;
}
mSoftwareTypeCheckBox.setChecked(
hasShortcutType(value, UserShortcutType.SOFTWARE));
mHardwareTypeCheckBox.setChecked(
hasShortcutType(value, UserShortcutType.HARDWARE));
mTripleTapTypeCheckBox.setChecked(
hasShortcutType(value, UserShortcutType.TRIPLETAP));
if (Flags.enableMagnificationMultipleFingerMultipleTapGesture()) {
mTwoFingerTripleTapTypeCheckBox.setChecked(
hasShortcutType(value, UserShortcutType.TWOFINGERTRIPLETAP));
}
}
private int restoreOnConfigChangedValue() {
final int savedValue = mSavedCheckBoxValue;
mSavedCheckBoxValue = NOT_SET;
return savedValue;
}
private boolean hasShortcutType(int value, @UserShortcutType int type) {
return (value & type) == type;
}
private static CharSequence getSoftwareShortcutTypeSummary(Context context) {
int resId;
if (AccessibilityUtil.isFloatingMenuEnabled(context)) {
resId = R.string.accessibility_shortcut_edit_summary_software;
} else if (AccessibilityUtil.isGestureNavigateEnabled(context)) {
resId = R.string.accessibility_shortcut_edit_summary_software_gesture;
} else {
resId = R.string.accessibility_shortcut_edit_summary_software;
}
return context.getText(resId);
}
@Override
protected void registerKeysToObserverCallback(
AccessibilitySettingsContentObserver contentObserver) {
super.registerKeysToObserverCallback(contentObserver);
var keysToObserve = List.of(
Settings.Secure.ACCESSIBILITY_MAGNIFICATION_FOLLOW_TYPING_ENABLED,
Settings.Secure.ACCESSIBILITY_MAGNIFICATION_ALWAYS_ON_ENABLED,
Settings.Secure.ACCESSIBILITY_MAGNIFICATION_JOYSTICK_ENABLED
);
contentObserver.registerKeysToObserverCallback(keysToObserve,
key -> updatePreferencesState());
}
private void updatePreferencesState() {
final List<AbstractPreferenceController> controllers = new ArrayList<>();
getPreferenceControllers().forEach(controllers::addAll);
controllers.forEach(controller -> controller.updateState(
findPreference(controller.getPreferenceKey())));
}
@Override
protected List<String> getShortcutFeatureSettingsKeys() {
final List<String> shortcutKeys = super.getShortcutFeatureSettingsKeys();
shortcutKeys.add(Settings.Secure.ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED);
return shortcutKeys;
}
@Override
protected CharSequence getShortcutTypeSummary(Context context) {
if (!mShortcutPreference.isChecked()) {
return context.getText(R.string.switch_off_text);
}
final int shortcutTypes = PreferredShortcuts.retrieveUserShortcutType(context,
MAGNIFICATION_CONTROLLER_NAME, UserShortcutType.SOFTWARE);
final List<CharSequence> list = new ArrayList<>();
if (hasShortcutType(shortcutTypes, UserShortcutType.SOFTWARE)) {
list.add(getSoftwareShortcutTypeSummary(context));
}
if (hasShortcutType(shortcutTypes, UserShortcutType.HARDWARE)) {
final CharSequence hardwareTitle = context.getText(
R.string.accessibility_shortcut_hardware_keyword);
list.add(hardwareTitle);
}
if (hasShortcutType(shortcutTypes, UserShortcutType.TRIPLETAP)) {
final CharSequence tripleTapTitle = context.getText(
R.string.accessibility_shortcut_triple_tap_keyword);
list.add(tripleTapTitle);
}
if (Flags.enableMagnificationMultipleFingerMultipleTapGesture()) {
if (hasShortcutType(shortcutTypes, UserShortcutType.TWOFINGERTRIPLETAP)) {
final CharSequence twoFingerTripleTapTitle = context.getText(
R.string.accessibility_shortcut_two_finger_double_tap_keyword);
list.add(twoFingerTripleTapTitle);
}
}
// Show software shortcut if first time to use.
if (list.isEmpty()) {
list.add(getSoftwareShortcutTypeSummary(context));
}
return CaseMap.toTitle().wholeString().noLowercase().apply(Locale.getDefault(), /* iter= */
null, LocaleUtils.getConcatenatedString(list));
}
@Override
protected void callOnAlertDialogCheckboxClicked(DialogInterface dialog, int which) {
final int value = getShortcutTypeCheckBoxValue();
saveNonEmptyUserShortcutType(value);
optInAllMagnificationValuesToSettings(getPrefContext(), value);
optOutAllMagnificationValuesFromSettings(getPrefContext(), ~value);
mShortcutPreference.setChecked(value != UserShortcutType.EMPTY);
mShortcutPreference.setSummary(
getShortcutTypeSummary(getPrefContext()));
if (mHardwareTypeCheckBox.isChecked()) {
AccessibilityUtil.skipVolumeShortcutDialogTimeoutRestriction(getPrefContext());
}
}
@Override
public int getHelpResource() {
return R.string.help_url_magnification;
}
@Override
public int getMetricsCategory() {
// TODO: Distinguish between magnification modes
return SettingsEnums.ACCESSIBILITY_TOGGLE_SCREEN_MAGNIFICATION;
}
@Override
public int getDialogMetricsCategory(int dialogId) {
if (mDialogDelegate != null) {
final int category = mDialogDelegate.getDialogMetricsCategory(dialogId);
if (category != 0) {
return category;
}
}
switch (dialogId) {
case DialogEnums.GESTURE_NAVIGATION_TUTORIAL:
return SettingsEnums.DIALOG_TOGGLE_SCREEN_MAGNIFICATION_GESTURE_NAVIGATION;
case DialogEnums.ACCESSIBILITY_BUTTON_TUTORIAL:
return SettingsEnums.DIALOG_TOGGLE_SCREEN_MAGNIFICATION_ACCESSIBILITY_BUTTON;
case DialogEnums.MAGNIFICATION_EDIT_SHORTCUT:
return SettingsEnums.DIALOG_MAGNIFICATION_EDIT_SHORTCUT;
default:
return super.getDialogMetricsCategory(dialogId);
}
}
@Override
int getUserShortcutTypes() {
return getUserShortcutTypeFromSettings(getPrefContext());
}
@Override
ComponentName getTileComponentName() {
return null;
}
@Override
CharSequence getTileTooltipContent(@QuickSettingsTooltipType int type) {
return null;
}
@Override
protected void onPreferenceToggled(String preferenceKey, boolean enabled) {
if (enabled && TextUtils.equals(
Settings.Secure.ACCESSIBILITY_DISPLAY_MAGNIFICATION_NAVBAR_ENABLED,
preferenceKey)) {
showDialog(DialogEnums.LAUNCH_ACCESSIBILITY_TUTORIAL);
}
Settings.Secure.putInt(getContentResolver(), preferenceKey, enabled ? ON : OFF);
}
@Override
protected void onInstallSwitchPreferenceToggleSwitch() {
mToggleServiceSwitchPreference.setVisible(false);
}
@Override
public void onToggleClicked(ShortcutPreference preference) {
final int shortcutTypes = PreferredShortcuts.retrieveUserShortcutType(getPrefContext(),
MAGNIFICATION_CONTROLLER_NAME, UserShortcutType.SOFTWARE);
if (preference.isChecked()) {
optInAllMagnificationValuesToSettings(getPrefContext(), shortcutTypes);
showDialog(DialogEnums.LAUNCH_ACCESSIBILITY_TUTORIAL);
} else {
optOutAllMagnificationValuesFromSettings(getPrefContext(), shortcutTypes);
}
mShortcutPreference.setSummary(getShortcutTypeSummary(getPrefContext()));
}
@Override
public void onSettingsClicked(ShortcutPreference preference) {
showDialog(DialogEnums.MAGNIFICATION_EDIT_SHORTCUT);
}
@Override
protected void updateShortcutPreferenceData() {
final int shortcutTypes = getUserShortcutTypeFromSettings(getPrefContext());
if (shortcutTypes != UserShortcutType.EMPTY) {
final PreferredShortcut shortcut = new PreferredShortcut(
MAGNIFICATION_CONTROLLER_NAME, shortcutTypes);
PreferredShortcuts.saveUserShortcutType(getPrefContext(), shortcut);
}
}
@Override
protected void initShortcutPreference() {
mShortcutPreference = new ShortcutPreference(getPrefContext(), null);
mShortcutPreference.setPersistent(false);
mShortcutPreference.setKey(getShortcutPreferenceKey());
mShortcutPreference.setSummary(getShortcutTypeSummary(getPrefContext()));
mShortcutPreference.setOnClickCallback(this);
mShortcutPreference.setTitle(getShortcutTitle());
final PreferenceCategory generalCategory = findPreference(KEY_GENERAL_CATEGORY);
generalCategory.addPreference(mShortcutPreference);
}
@Override
protected CharSequence getShortcutTitle() {
return getText(R.string.accessibility_screen_magnification_shortcut_title);
}
@Override
protected void updateShortcutPreference() {
final int shortcutTypes = PreferredShortcuts.retrieveUserShortcutType(getPrefContext(),
MAGNIFICATION_CONTROLLER_NAME, UserShortcutType.SOFTWARE);
mShortcutPreference.setChecked(
hasMagnificationValuesInSettings(getPrefContext(), shortcutTypes));
mShortcutPreference.setSummary(getShortcutTypeSummary(getPrefContext()));
}
@VisibleForTesting
void saveNonEmptyUserShortcutType(int type) {
if (type == UserShortcutType.EMPTY) {
return;
}
final PreferredShortcut shortcut = new PreferredShortcut(
MAGNIFICATION_CONTROLLER_NAME, type);
PreferredShortcuts.saveUserShortcutType(getPrefContext(), shortcut);
}
@VisibleForTesting
static void optInAllMagnificationValuesToSettings(Context context, int shortcutTypes) {
if ((shortcutTypes & UserShortcutType.SOFTWARE) == UserShortcutType.SOFTWARE) {
optInMagnificationValueToSettings(context, UserShortcutType.SOFTWARE);
}
if (((shortcutTypes & UserShortcutType.HARDWARE) == UserShortcutType.HARDWARE)) {
optInMagnificationValueToSettings(context, UserShortcutType.HARDWARE);
}
if (((shortcutTypes & UserShortcutType.TRIPLETAP) == UserShortcutType.TRIPLETAP)) {
optInMagnificationValueToSettings(context, UserShortcutType.TRIPLETAP);
}
if (Flags.enableMagnificationMultipleFingerMultipleTapGesture()) {
if (((shortcutTypes & UserShortcutType.TWOFINGERTRIPLETAP)
== UserShortcutType.TWOFINGERTRIPLETAP)) {
optInMagnificationValueToSettings(context, UserShortcutType.TWOFINGERTRIPLETAP);
}
}
}
private static void optInMagnificationValueToSettings(Context context,
@UserShortcutType int shortcutType) {
if (shortcutType == UserShortcutType.TRIPLETAP) {
Settings.Secure.putInt(context.getContentResolver(),
Settings.Secure.ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED, ON);
return;
}
if (Flags.enableMagnificationMultipleFingerMultipleTapGesture()) {
if (shortcutType == UserShortcutType.TWOFINGERTRIPLETAP) {
Settings.Secure.putInt(context.getContentResolver(),
Settings.Secure.ACCESSIBILITY_MAGNIFICATION_TWO_FINGER_TRIPLE_TAP_ENABLED,
ON);
return;
}
}
if (hasMagnificationValueInSettings(context, shortcutType)) {
return;
}
final String targetKey = AccessibilityUtil.convertKeyFromSettings(shortcutType);
final String targetString = Settings.Secure.getString(context.getContentResolver(),
targetKey);
final StringJoiner joiner = new StringJoiner(String.valueOf(COMPONENT_NAME_SEPARATOR));
if (!TextUtils.isEmpty(targetString)) {
joiner.add(targetString);
}
joiner.add(MAGNIFICATION_CONTROLLER_NAME);
Settings.Secure.putString(context.getContentResolver(), targetKey, joiner.toString());
// The size setting defaults to unknown. If the user has ever manually changed the size
// before, we do not automatically change it.
if (shortcutType == UserShortcutType.SOFTWARE
&& Settings.Secure.getInt(context.getContentResolver(),
Settings.Secure.ACCESSIBILITY_FLOATING_MENU_SIZE,
FloatingMenuSizePreferenceController.Size.UNKNOWN)
== FloatingMenuSizePreferenceController.Size.UNKNOWN) {
Settings.Secure.putInt(context.getContentResolver(),
Settings.Secure.ACCESSIBILITY_FLOATING_MENU_SIZE,
FloatingMenuSizePreferenceController.Size.LARGE);
}
}
@VisibleForTesting
static void optOutAllMagnificationValuesFromSettings(Context context,
int shortcutTypes) {
if ((shortcutTypes & UserShortcutType.SOFTWARE) == UserShortcutType.SOFTWARE) {
optOutMagnificationValueFromSettings(context, UserShortcutType.SOFTWARE);
}
if (((shortcutTypes & UserShortcutType.HARDWARE) == UserShortcutType.HARDWARE)) {
optOutMagnificationValueFromSettings(context, UserShortcutType.HARDWARE);
}
if (((shortcutTypes & UserShortcutType.TRIPLETAP) == UserShortcutType.TRIPLETAP)) {
optOutMagnificationValueFromSettings(context, UserShortcutType.TRIPLETAP);
}
if (Flags.enableMagnificationMultipleFingerMultipleTapGesture()) {
if (((shortcutTypes & UserShortcutType.TWOFINGERTRIPLETAP)
== UserShortcutType.TWOFINGERTRIPLETAP)) {
optOutMagnificationValueFromSettings(context, UserShortcutType.TWOFINGERTRIPLETAP);
}
}
}
private static void optOutMagnificationValueFromSettings(Context context,
@UserShortcutType int shortcutType) {
if (shortcutType == UserShortcutType.TRIPLETAP) {
Settings.Secure.putInt(context.getContentResolver(),
Settings.Secure.ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED, OFF);
return;
}
if (Flags.enableMagnificationMultipleFingerMultipleTapGesture()) {
if (shortcutType == UserShortcutType.TWOFINGERTRIPLETAP) {
Settings.Secure.putInt(context.getContentResolver(),
Settings.Secure.ACCESSIBILITY_MAGNIFICATION_TWO_FINGER_TRIPLE_TAP_ENABLED,
OFF);
return;
}
}
final String targetKey = AccessibilityUtil.convertKeyFromSettings(shortcutType);
final String targetString = Settings.Secure.getString(context.getContentResolver(),
targetKey);
if (TextUtils.isEmpty(targetString)) {
return;
}
final StringJoiner joiner = new StringJoiner(String.valueOf(COMPONENT_NAME_SEPARATOR));
sStringColonSplitter.setString(targetString);
while (sStringColonSplitter.hasNext()) {
final String name = sStringColonSplitter.next();
if (TextUtils.isEmpty(name) || MAGNIFICATION_CONTROLLER_NAME.equals(name)) {
continue;
}
joiner.add(name);
}
Settings.Secure.putString(context.getContentResolver(), targetKey, joiner.toString());
}
@VisibleForTesting
static boolean hasMagnificationValuesInSettings(Context context, int shortcutTypes) {
boolean exist = false;
if ((shortcutTypes & UserShortcutType.SOFTWARE) == UserShortcutType.SOFTWARE) {
exist = hasMagnificationValueInSettings(context, UserShortcutType.SOFTWARE);
}
if (((shortcutTypes & UserShortcutType.HARDWARE) == UserShortcutType.HARDWARE)) {
exist |= hasMagnificationValueInSettings(context, UserShortcutType.HARDWARE);
}
if (((shortcutTypes & UserShortcutType.TRIPLETAP) == UserShortcutType.TRIPLETAP)) {
exist |= hasMagnificationValueInSettings(context, UserShortcutType.TRIPLETAP);
}
if (Flags.enableMagnificationMultipleFingerMultipleTapGesture()) {
if (((shortcutTypes & UserShortcutType.TWOFINGERTRIPLETAP)
== UserShortcutType.TWOFINGERTRIPLETAP)) {
exist |= hasMagnificationValueInSettings(context,
UserShortcutType.TWOFINGERTRIPLETAP);
}
}
return exist;
}
private static boolean hasMagnificationValueInSettings(Context context,
@UserShortcutType int shortcutType) {
if (shortcutType == UserShortcutType.TRIPLETAP) {
return Settings.Secure.getInt(context.getContentResolver(),
Settings.Secure.ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED, OFF) == ON;
}
if (Flags.enableMagnificationMultipleFingerMultipleTapGesture()) {
if (shortcutType == UserShortcutType.TWOFINGERTRIPLETAP) {
return Settings.Secure.getInt(context.getContentResolver(),
Settings.Secure.ACCESSIBILITY_MAGNIFICATION_TWO_FINGER_TRIPLE_TAP_ENABLED,
OFF) == ON;
}
}
final String targetKey = AccessibilityUtil.convertKeyFromSettings(shortcutType);
final String targetString = Settings.Secure.getString(context.getContentResolver(),
targetKey);
if (TextUtils.isEmpty(targetString)) {
return false;
}
sStringColonSplitter.setString(targetString);
while (sStringColonSplitter.hasNext()) {
final String name = sStringColonSplitter.next();
if (MAGNIFICATION_CONTROLLER_NAME.equals(name)) {
return true;
}
}
return false;
}
private static int getUserShortcutTypeFromSettings(Context context) {
int shortcutTypes = UserShortcutType.EMPTY;
if (hasMagnificationValuesInSettings(context, UserShortcutType.SOFTWARE)) {
shortcutTypes |= UserShortcutType.SOFTWARE;
}
if (hasMagnificationValuesInSettings(context, UserShortcutType.HARDWARE)) {
shortcutTypes |= UserShortcutType.HARDWARE;
}
if (hasMagnificationValuesInSettings(context, UserShortcutType.TRIPLETAP)) {
shortcutTypes |= UserShortcutType.TRIPLETAP;
}
if (Flags.enableMagnificationMultipleFingerMultipleTapGesture()) {
if (hasMagnificationValuesInSettings(context, UserShortcutType.TWOFINGERTRIPLETAP)) {
shortcutTypes |= UserShortcutType.TWOFINGERTRIPLETAP;
}
}
return shortcutTypes;
}
/**
* Gets the service summary of magnification.
*
* @param context The current context.
*/
public static CharSequence getServiceSummary(Context context) {
// Get the user shortcut type from settings provider.
final int userShortcutType = getUserShortcutTypeFromSettings(context);
final CharSequence featureState =
(userShortcutType != AccessibilityUtil.UserShortcutType.EMPTY)
? context.getText(R.string.accessibility_summary_shortcut_enabled)
: context.getText(R.string.generic_accessibility_feature_shortcut_off);
final CharSequence featureSummary = context.getText(R.string.magnification_feature_summary);
return context.getString(R.string.preference_summary_default_combination,
featureState, featureSummary);
}
}